diff options
author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
---|---|---|
committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp | 4477 |
1 files changed, 4477 insertions, 0 deletions
diff --git a/contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp b/contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp new file mode 100644 index 0000000000..7d83cf5dcf --- /dev/null +++ b/contrib/libs/llvm12/lib/IR/AutoUpgrade.cpp @@ -0,0 +1,4477 @@ +//===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements the auto-upgrade helper functions. +// This is where deprecated IR intrinsics and other IR features are updated to +// current specifications. +// +//===----------------------------------------------------------------------===// + +#include "llvm/IR/AutoUpgrade.h" +#include "llvm/ADT/StringSwitch.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DIBuilder.h" +#include "llvm/IR/DebugInfo.h" +#include "llvm/IR/DiagnosticInfo.h" +#include "llvm/IR/Function.h" +#include "llvm/IR/IRBuilder.h" +#include "llvm/IR/Instruction.h" +#include "llvm/IR/InstVisitor.h" +#include "llvm/IR/IntrinsicInst.h" +#include "llvm/IR/Intrinsics.h" +#include "llvm/IR/IntrinsicsAArch64.h" +#include "llvm/IR/IntrinsicsARM.h" +#include "llvm/IR/IntrinsicsX86.h" +#include "llvm/IR/LLVMContext.h" +#include "llvm/IR/Module.h" +#include "llvm/IR/Verifier.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/Regex.h" +#include <cstring> +using namespace llvm; + +static void rename(GlobalValue *GV) { GV->setName(GV->getName() + ".old"); } + +// Upgrade the declarations of the SSE4.1 ptest intrinsics whose arguments have +// changed their type from v4f32 to v2i64. +static bool UpgradePTESTIntrinsic(Function* F, Intrinsic::ID IID, + Function *&NewFn) { + // Check whether this is an old version of the function, which received + // v4f32 arguments. + Type *Arg0Type = F->getFunctionType()->getParamType(0); + if (Arg0Type != FixedVectorType::get(Type::getFloatTy(F->getContext()), 4)) + return false; + + // Yes, it's old, replace it with new version. + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), IID); + return true; +} + +// Upgrade the declarations of intrinsic functions whose 8-bit immediate mask +// arguments have changed their type from i32 to i8. +static bool UpgradeX86IntrinsicsWith8BitMask(Function *F, Intrinsic::ID IID, + Function *&NewFn) { + // Check that the last argument is an i32. + Type *LastArgType = F->getFunctionType()->getParamType( + F->getFunctionType()->getNumParams() - 1); + if (!LastArgType->isIntegerTy(32)) + return false; + + // Move this function aside and map down. + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), IID); + return true; +} + +// Upgrade the declaration of fp compare intrinsics that change return type +// from scalar to vXi1 mask. +static bool UpgradeX86MaskedFPCompare(Function *F, Intrinsic::ID IID, + Function *&NewFn) { + // Check if the return type is a vector. + if (F->getReturnType()->isVectorTy()) + return false; + + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), IID); + return true; +} + +static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { + // All of the intrinsics matches below should be marked with which llvm + // version started autoupgrading them. At some point in the future we would + // like to use this information to remove upgrade code for some older + // intrinsics. It is currently undecided how we will determine that future + // point. + if (Name == "addcarryx.u32" || // Added in 8.0 + Name == "addcarryx.u64" || // Added in 8.0 + Name == "addcarry.u32" || // Added in 8.0 + Name == "addcarry.u64" || // Added in 8.0 + Name == "subborrow.u32" || // Added in 8.0 + Name == "subborrow.u64" || // Added in 8.0 + Name.startswith("sse2.padds.") || // Added in 8.0 + Name.startswith("sse2.psubs.") || // Added in 8.0 + Name.startswith("sse2.paddus.") || // Added in 8.0 + Name.startswith("sse2.psubus.") || // Added in 8.0 + Name.startswith("avx2.padds.") || // Added in 8.0 + Name.startswith("avx2.psubs.") || // Added in 8.0 + Name.startswith("avx2.paddus.") || // Added in 8.0 + Name.startswith("avx2.psubus.") || // Added in 8.0 + Name.startswith("avx512.padds.") || // Added in 8.0 + Name.startswith("avx512.psubs.") || // Added in 8.0 + Name.startswith("avx512.mask.padds.") || // Added in 8.0 + Name.startswith("avx512.mask.psubs.") || // Added in 8.0 + Name.startswith("avx512.mask.paddus.") || // Added in 8.0 + Name.startswith("avx512.mask.psubus.") || // Added in 8.0 + Name=="ssse3.pabs.b.128" || // Added in 6.0 + Name=="ssse3.pabs.w.128" || // Added in 6.0 + Name=="ssse3.pabs.d.128" || // Added in 6.0 + Name.startswith("fma4.vfmadd.s") || // Added in 7.0 + Name.startswith("fma.vfmadd.") || // Added in 7.0 + Name.startswith("fma.vfmsub.") || // Added in 7.0 + Name.startswith("fma.vfmsubadd.") || // Added in 7.0 + Name.startswith("fma.vfnmadd.") || // Added in 7.0 + Name.startswith("fma.vfnmsub.") || // Added in 7.0 + Name.startswith("avx512.mask.vfmadd.") || // Added in 7.0 + Name.startswith("avx512.mask.vfnmadd.") || // Added in 7.0 + Name.startswith("avx512.mask.vfnmsub.") || // Added in 7.0 + Name.startswith("avx512.mask3.vfmadd.") || // Added in 7.0 + Name.startswith("avx512.maskz.vfmadd.") || // Added in 7.0 + Name.startswith("avx512.mask3.vfmsub.") || // Added in 7.0 + Name.startswith("avx512.mask3.vfnmsub.") || // Added in 7.0 + Name.startswith("avx512.mask.vfmaddsub.") || // Added in 7.0 + Name.startswith("avx512.maskz.vfmaddsub.") || // Added in 7.0 + Name.startswith("avx512.mask3.vfmaddsub.") || // Added in 7.0 + Name.startswith("avx512.mask3.vfmsubadd.") || // Added in 7.0 + Name.startswith("avx512.mask.shuf.i") || // Added in 6.0 + Name.startswith("avx512.mask.shuf.f") || // Added in 6.0 + Name.startswith("avx512.kunpck") || //added in 6.0 + Name.startswith("avx2.pabs.") || // Added in 6.0 + Name.startswith("avx512.mask.pabs.") || // Added in 6.0 + Name.startswith("avx512.broadcastm") || // Added in 6.0 + Name == "sse.sqrt.ss" || // Added in 7.0 + Name == "sse2.sqrt.sd" || // Added in 7.0 + Name.startswith("avx512.mask.sqrt.p") || // Added in 7.0 + Name.startswith("avx.sqrt.p") || // Added in 7.0 + Name.startswith("sse2.sqrt.p") || // Added in 7.0 + Name.startswith("sse.sqrt.p") || // Added in 7.0 + Name.startswith("avx512.mask.pbroadcast") || // Added in 6.0 + Name.startswith("sse2.pcmpeq.") || // Added in 3.1 + Name.startswith("sse2.pcmpgt.") || // Added in 3.1 + Name.startswith("avx2.pcmpeq.") || // Added in 3.1 + Name.startswith("avx2.pcmpgt.") || // Added in 3.1 + Name.startswith("avx512.mask.pcmpeq.") || // Added in 3.9 + Name.startswith("avx512.mask.pcmpgt.") || // Added in 3.9 + Name.startswith("avx.vperm2f128.") || // Added in 6.0 + Name == "avx2.vperm2i128" || // Added in 6.0 + Name == "sse.add.ss" || // Added in 4.0 + Name == "sse2.add.sd" || // Added in 4.0 + Name == "sse.sub.ss" || // Added in 4.0 + Name == "sse2.sub.sd" || // Added in 4.0 + Name == "sse.mul.ss" || // Added in 4.0 + Name == "sse2.mul.sd" || // Added in 4.0 + Name == "sse.div.ss" || // Added in 4.0 + Name == "sse2.div.sd" || // Added in 4.0 + Name == "sse41.pmaxsb" || // Added in 3.9 + Name == "sse2.pmaxs.w" || // Added in 3.9 + Name == "sse41.pmaxsd" || // Added in 3.9 + Name == "sse2.pmaxu.b" || // Added in 3.9 + Name == "sse41.pmaxuw" || // Added in 3.9 + Name == "sse41.pmaxud" || // Added in 3.9 + Name == "sse41.pminsb" || // Added in 3.9 + Name == "sse2.pmins.w" || // Added in 3.9 + Name == "sse41.pminsd" || // Added in 3.9 + Name == "sse2.pminu.b" || // Added in 3.9 + Name == "sse41.pminuw" || // Added in 3.9 + Name == "sse41.pminud" || // Added in 3.9 + Name == "avx512.kand.w" || // Added in 7.0 + Name == "avx512.kandn.w" || // Added in 7.0 + Name == "avx512.knot.w" || // Added in 7.0 + Name == "avx512.kor.w" || // Added in 7.0 + Name == "avx512.kxor.w" || // Added in 7.0 + Name == "avx512.kxnor.w" || // Added in 7.0 + Name == "avx512.kortestc.w" || // Added in 7.0 + Name == "avx512.kortestz.w" || // Added in 7.0 + Name.startswith("avx512.mask.pshuf.b.") || // Added in 4.0 + Name.startswith("avx2.pmax") || // Added in 3.9 + Name.startswith("avx2.pmin") || // Added in 3.9 + Name.startswith("avx512.mask.pmax") || // Added in 4.0 + Name.startswith("avx512.mask.pmin") || // Added in 4.0 + Name.startswith("avx2.vbroadcast") || // Added in 3.8 + Name.startswith("avx2.pbroadcast") || // Added in 3.8 + Name.startswith("avx.vpermil.") || // Added in 3.1 + Name.startswith("sse2.pshuf") || // Added in 3.9 + Name.startswith("avx512.pbroadcast") || // Added in 3.9 + Name.startswith("avx512.mask.broadcast.s") || // Added in 3.9 + Name.startswith("avx512.mask.movddup") || // Added in 3.9 + Name.startswith("avx512.mask.movshdup") || // Added in 3.9 + Name.startswith("avx512.mask.movsldup") || // Added in 3.9 + Name.startswith("avx512.mask.pshuf.d.") || // Added in 3.9 + Name.startswith("avx512.mask.pshufl.w.") || // Added in 3.9 + Name.startswith("avx512.mask.pshufh.w.") || // Added in 3.9 + Name.startswith("avx512.mask.shuf.p") || // Added in 4.0 + Name.startswith("avx512.mask.vpermil.p") || // Added in 3.9 + Name.startswith("avx512.mask.perm.df.") || // Added in 3.9 + Name.startswith("avx512.mask.perm.di.") || // Added in 3.9 + Name.startswith("avx512.mask.punpckl") || // Added in 3.9 + Name.startswith("avx512.mask.punpckh") || // Added in 3.9 + Name.startswith("avx512.mask.unpckl.") || // Added in 3.9 + Name.startswith("avx512.mask.unpckh.") || // Added in 3.9 + Name.startswith("avx512.mask.pand.") || // Added in 3.9 + Name.startswith("avx512.mask.pandn.") || // Added in 3.9 + Name.startswith("avx512.mask.por.") || // Added in 3.9 + Name.startswith("avx512.mask.pxor.") || // Added in 3.9 + Name.startswith("avx512.mask.and.") || // Added in 3.9 + Name.startswith("avx512.mask.andn.") || // Added in 3.9 + Name.startswith("avx512.mask.or.") || // Added in 3.9 + Name.startswith("avx512.mask.xor.") || // Added in 3.9 + Name.startswith("avx512.mask.padd.") || // Added in 4.0 + Name.startswith("avx512.mask.psub.") || // Added in 4.0 + Name.startswith("avx512.mask.pmull.") || // Added in 4.0 + Name.startswith("avx512.mask.cvtdq2pd.") || // Added in 4.0 + Name.startswith("avx512.mask.cvtudq2pd.") || // Added in 4.0 + Name.startswith("avx512.mask.cvtudq2ps.") || // Added in 7.0 updated 9.0 + Name.startswith("avx512.mask.cvtqq2pd.") || // Added in 7.0 updated 9.0 + Name.startswith("avx512.mask.cvtuqq2pd.") || // Added in 7.0 updated 9.0 + Name.startswith("avx512.mask.cvtdq2ps.") || // Added in 7.0 updated 9.0 + Name == "avx512.mask.vcvtph2ps.128" || // Added in 11.0 + Name == "avx512.mask.vcvtph2ps.256" || // Added in 11.0 + Name == "avx512.mask.cvtqq2ps.256" || // Added in 9.0 + Name == "avx512.mask.cvtqq2ps.512" || // Added in 9.0 + Name == "avx512.mask.cvtuqq2ps.256" || // Added in 9.0 + Name == "avx512.mask.cvtuqq2ps.512" || // Added in 9.0 + Name == "avx512.mask.cvtpd2dq.256" || // Added in 7.0 + Name == "avx512.mask.cvtpd2ps.256" || // Added in 7.0 + Name == "avx512.mask.cvttpd2dq.256" || // Added in 7.0 + Name == "avx512.mask.cvttps2dq.128" || // Added in 7.0 + Name == "avx512.mask.cvttps2dq.256" || // Added in 7.0 + Name == "avx512.mask.cvtps2pd.128" || // Added in 7.0 + Name == "avx512.mask.cvtps2pd.256" || // Added in 7.0 + Name == "avx512.cvtusi2sd" || // Added in 7.0 + Name.startswith("avx512.mask.permvar.") || // Added in 7.0 + Name == "sse2.pmulu.dq" || // Added in 7.0 + Name == "sse41.pmuldq" || // Added in 7.0 + Name == "avx2.pmulu.dq" || // Added in 7.0 + Name == "avx2.pmul.dq" || // Added in 7.0 + Name == "avx512.pmulu.dq.512" || // Added in 7.0 + Name == "avx512.pmul.dq.512" || // Added in 7.0 + Name.startswith("avx512.mask.pmul.dq.") || // Added in 4.0 + Name.startswith("avx512.mask.pmulu.dq.") || // Added in 4.0 + Name.startswith("avx512.mask.pmul.hr.sw.") || // Added in 7.0 + Name.startswith("avx512.mask.pmulh.w.") || // Added in 7.0 + Name.startswith("avx512.mask.pmulhu.w.") || // Added in 7.0 + Name.startswith("avx512.mask.pmaddw.d.") || // Added in 7.0 + Name.startswith("avx512.mask.pmaddubs.w.") || // Added in 7.0 + Name.startswith("avx512.mask.packsswb.") || // Added in 5.0 + Name.startswith("avx512.mask.packssdw.") || // Added in 5.0 + Name.startswith("avx512.mask.packuswb.") || // Added in 5.0 + Name.startswith("avx512.mask.packusdw.") || // Added in 5.0 + Name.startswith("avx512.mask.cmp.b") || // Added in 5.0 + Name.startswith("avx512.mask.cmp.d") || // Added in 5.0 + Name.startswith("avx512.mask.cmp.q") || // Added in 5.0 + Name.startswith("avx512.mask.cmp.w") || // Added in 5.0 + Name.startswith("avx512.cmp.p") || // Added in 12.0 + Name.startswith("avx512.mask.ucmp.") || // Added in 5.0 + Name.startswith("avx512.cvtb2mask.") || // Added in 7.0 + Name.startswith("avx512.cvtw2mask.") || // Added in 7.0 + Name.startswith("avx512.cvtd2mask.") || // Added in 7.0 + Name.startswith("avx512.cvtq2mask.") || // Added in 7.0 + Name.startswith("avx512.mask.vpermilvar.") || // Added in 4.0 + Name.startswith("avx512.mask.psll.d") || // Added in 4.0 + Name.startswith("avx512.mask.psll.q") || // Added in 4.0 + Name.startswith("avx512.mask.psll.w") || // Added in 4.0 + Name.startswith("avx512.mask.psra.d") || // Added in 4.0 + Name.startswith("avx512.mask.psra.q") || // Added in 4.0 + Name.startswith("avx512.mask.psra.w") || // Added in 4.0 + Name.startswith("avx512.mask.psrl.d") || // Added in 4.0 + Name.startswith("avx512.mask.psrl.q") || // Added in 4.0 + Name.startswith("avx512.mask.psrl.w") || // Added in 4.0 + Name.startswith("avx512.mask.pslli") || // Added in 4.0 + Name.startswith("avx512.mask.psrai") || // Added in 4.0 + Name.startswith("avx512.mask.psrli") || // Added in 4.0 + Name.startswith("avx512.mask.psllv") || // Added in 4.0 + Name.startswith("avx512.mask.psrav") || // Added in 4.0 + Name.startswith("avx512.mask.psrlv") || // Added in 4.0 + Name.startswith("sse41.pmovsx") || // Added in 3.8 + Name.startswith("sse41.pmovzx") || // Added in 3.9 + Name.startswith("avx2.pmovsx") || // Added in 3.9 + Name.startswith("avx2.pmovzx") || // Added in 3.9 + Name.startswith("avx512.mask.pmovsx") || // Added in 4.0 + Name.startswith("avx512.mask.pmovzx") || // Added in 4.0 + Name.startswith("avx512.mask.lzcnt.") || // Added in 5.0 + Name.startswith("avx512.mask.pternlog.") || // Added in 7.0 + Name.startswith("avx512.maskz.pternlog.") || // Added in 7.0 + Name.startswith("avx512.mask.vpmadd52") || // Added in 7.0 + Name.startswith("avx512.maskz.vpmadd52") || // Added in 7.0 + Name.startswith("avx512.mask.vpermi2var.") || // Added in 7.0 + Name.startswith("avx512.mask.vpermt2var.") || // Added in 7.0 + Name.startswith("avx512.maskz.vpermt2var.") || // Added in 7.0 + Name.startswith("avx512.mask.vpdpbusd.") || // Added in 7.0 + Name.startswith("avx512.maskz.vpdpbusd.") || // Added in 7.0 + Name.startswith("avx512.mask.vpdpbusds.") || // Added in 7.0 + Name.startswith("avx512.maskz.vpdpbusds.") || // Added in 7.0 + Name.startswith("avx512.mask.vpdpwssd.") || // Added in 7.0 + Name.startswith("avx512.maskz.vpdpwssd.") || // Added in 7.0 + Name.startswith("avx512.mask.vpdpwssds.") || // Added in 7.0 + Name.startswith("avx512.maskz.vpdpwssds.") || // Added in 7.0 + Name.startswith("avx512.mask.dbpsadbw.") || // Added in 7.0 + Name.startswith("avx512.mask.vpshld.") || // Added in 7.0 + Name.startswith("avx512.mask.vpshrd.") || // Added in 7.0 + Name.startswith("avx512.mask.vpshldv.") || // Added in 8.0 + Name.startswith("avx512.mask.vpshrdv.") || // Added in 8.0 + Name.startswith("avx512.maskz.vpshldv.") || // Added in 8.0 + Name.startswith("avx512.maskz.vpshrdv.") || // Added in 8.0 + Name.startswith("avx512.vpshld.") || // Added in 8.0 + Name.startswith("avx512.vpshrd.") || // Added in 8.0 + Name.startswith("avx512.mask.add.p") || // Added in 7.0. 128/256 in 4.0 + Name.startswith("avx512.mask.sub.p") || // Added in 7.0. 128/256 in 4.0 + Name.startswith("avx512.mask.mul.p") || // Added in 7.0. 128/256 in 4.0 + Name.startswith("avx512.mask.div.p") || // Added in 7.0. 128/256 in 4.0 + Name.startswith("avx512.mask.max.p") || // Added in 7.0. 128/256 in 5.0 + Name.startswith("avx512.mask.min.p") || // Added in 7.0. 128/256 in 5.0 + Name.startswith("avx512.mask.fpclass.p") || // Added in 7.0 + Name.startswith("avx512.mask.vpshufbitqmb.") || // Added in 8.0 + Name.startswith("avx512.mask.pmultishift.qb.") || // Added in 8.0 + Name.startswith("avx512.mask.conflict.") || // Added in 9.0 + Name == "avx512.mask.pmov.qd.256" || // Added in 9.0 + Name == "avx512.mask.pmov.qd.512" || // Added in 9.0 + Name == "avx512.mask.pmov.wb.256" || // Added in 9.0 + Name == "avx512.mask.pmov.wb.512" || // Added in 9.0 + Name == "sse.cvtsi2ss" || // Added in 7.0 + Name == "sse.cvtsi642ss" || // Added in 7.0 + Name == "sse2.cvtsi2sd" || // Added in 7.0 + Name == "sse2.cvtsi642sd" || // Added in 7.0 + Name == "sse2.cvtss2sd" || // Added in 7.0 + Name == "sse2.cvtdq2pd" || // Added in 3.9 + Name == "sse2.cvtdq2ps" || // Added in 7.0 + Name == "sse2.cvtps2pd" || // Added in 3.9 + Name == "avx.cvtdq2.pd.256" || // Added in 3.9 + Name == "avx.cvtdq2.ps.256" || // Added in 7.0 + Name == "avx.cvt.ps2.pd.256" || // Added in 3.9 + Name.startswith("vcvtph2ps.") || // Added in 11.0 + Name.startswith("avx.vinsertf128.") || // Added in 3.7 + Name == "avx2.vinserti128" || // Added in 3.7 + Name.startswith("avx512.mask.insert") || // Added in 4.0 + Name.startswith("avx.vextractf128.") || // Added in 3.7 + Name == "avx2.vextracti128" || // Added in 3.7 + Name.startswith("avx512.mask.vextract") || // Added in 4.0 + Name.startswith("sse4a.movnt.") || // Added in 3.9 + Name.startswith("avx.movnt.") || // Added in 3.2 + Name.startswith("avx512.storent.") || // Added in 3.9 + Name == "sse41.movntdqa" || // Added in 5.0 + Name == "avx2.movntdqa" || // Added in 5.0 + Name == "avx512.movntdqa" || // Added in 5.0 + Name == "sse2.storel.dq" || // Added in 3.9 + Name.startswith("sse.storeu.") || // Added in 3.9 + Name.startswith("sse2.storeu.") || // Added in 3.9 + Name.startswith("avx.storeu.") || // Added in 3.9 + Name.startswith("avx512.mask.storeu.") || // Added in 3.9 + Name.startswith("avx512.mask.store.p") || // Added in 3.9 + Name.startswith("avx512.mask.store.b.") || // Added in 3.9 + Name.startswith("avx512.mask.store.w.") || // Added in 3.9 + Name.startswith("avx512.mask.store.d.") || // Added in 3.9 + Name.startswith("avx512.mask.store.q.") || // Added in 3.9 + Name == "avx512.mask.store.ss" || // Added in 7.0 + Name.startswith("avx512.mask.loadu.") || // Added in 3.9 + Name.startswith("avx512.mask.load.") || // Added in 3.9 + Name.startswith("avx512.mask.expand.load.") || // Added in 7.0 + Name.startswith("avx512.mask.compress.store.") || // Added in 7.0 + Name.startswith("avx512.mask.expand.b") || // Added in 9.0 + Name.startswith("avx512.mask.expand.w") || // Added in 9.0 + Name.startswith("avx512.mask.expand.d") || // Added in 9.0 + Name.startswith("avx512.mask.expand.q") || // Added in 9.0 + Name.startswith("avx512.mask.expand.p") || // Added in 9.0 + Name.startswith("avx512.mask.compress.b") || // Added in 9.0 + Name.startswith("avx512.mask.compress.w") || // Added in 9.0 + Name.startswith("avx512.mask.compress.d") || // Added in 9.0 + Name.startswith("avx512.mask.compress.q") || // Added in 9.0 + Name.startswith("avx512.mask.compress.p") || // Added in 9.0 + Name == "sse42.crc32.64.8" || // Added in 3.4 + Name.startswith("avx.vbroadcast.s") || // Added in 3.5 + Name.startswith("avx512.vbroadcast.s") || // Added in 7.0 + Name.startswith("avx512.mask.palignr.") || // Added in 3.9 + Name.startswith("avx512.mask.valign.") || // Added in 4.0 + Name.startswith("sse2.psll.dq") || // Added in 3.7 + Name.startswith("sse2.psrl.dq") || // Added in 3.7 + Name.startswith("avx2.psll.dq") || // Added in 3.7 + Name.startswith("avx2.psrl.dq") || // Added in 3.7 + Name.startswith("avx512.psll.dq") || // Added in 3.9 + Name.startswith("avx512.psrl.dq") || // Added in 3.9 + Name == "sse41.pblendw" || // Added in 3.7 + Name.startswith("sse41.blendp") || // Added in 3.7 + Name.startswith("avx.blend.p") || // Added in 3.7 + Name == "avx2.pblendw" || // Added in 3.7 + Name.startswith("avx2.pblendd.") || // Added in 3.7 + Name.startswith("avx.vbroadcastf128") || // Added in 4.0 + Name == "avx2.vbroadcasti128" || // Added in 3.7 + Name.startswith("avx512.mask.broadcastf32x4.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcastf64x2.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcastf32x8.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcastf64x4.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti32x4.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti64x2.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti32x8.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti64x4.") || // Added in 6.0 + Name == "xop.vpcmov" || // Added in 3.8 + Name == "xop.vpcmov.256" || // Added in 5.0 + Name.startswith("avx512.mask.move.s") || // Added in 4.0 + Name.startswith("avx512.cvtmask2") || // Added in 5.0 + Name.startswith("xop.vpcom") || // Added in 3.2, Updated in 9.0 + Name.startswith("xop.vprot") || // Added in 8.0 + Name.startswith("avx512.prol") || // Added in 8.0 + Name.startswith("avx512.pror") || // Added in 8.0 + Name.startswith("avx512.mask.prorv.") || // Added in 8.0 + Name.startswith("avx512.mask.pror.") || // Added in 8.0 + Name.startswith("avx512.mask.prolv.") || // Added in 8.0 + Name.startswith("avx512.mask.prol.") || // Added in 8.0 + Name.startswith("avx512.ptestm") || //Added in 6.0 + Name.startswith("avx512.ptestnm") || //Added in 6.0 + Name.startswith("avx512.mask.pavg")) // Added in 6.0 + return true; + + return false; +} + +static bool UpgradeX86IntrinsicFunction(Function *F, StringRef Name, + Function *&NewFn) { + // Only handle intrinsics that start with "x86.". + if (!Name.startswith("x86.")) + return false; + // Remove "x86." prefix. + Name = Name.substr(4); + + if (ShouldUpgradeX86Intrinsic(F, Name)) { + NewFn = nullptr; + return true; + } + + if (Name == "rdtscp") { // Added in 8.0 + // If this intrinsic has 0 operands, it's the new version. + if (F->getFunctionType()->getNumParams() == 0) + return false; + + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::x86_rdtscp); + return true; + } + + // SSE4.1 ptest functions may have an old signature. + if (Name.startswith("sse41.ptest")) { // Added in 3.2 + if (Name.substr(11) == "c") + return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestc, NewFn); + if (Name.substr(11) == "z") + return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestz, NewFn); + if (Name.substr(11) == "nzc") + return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestnzc, NewFn); + } + // Several blend and other instructions with masks used the wrong number of + // bits. + if (Name == "sse41.insertps") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_insertps, + NewFn); + if (Name == "sse41.dppd") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dppd, + NewFn); + if (Name == "sse41.dpps") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dpps, + NewFn); + if (Name == "sse41.mpsadbw") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_mpsadbw, + NewFn); + if (Name == "avx.dp.ps.256") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx_dp_ps_256, + NewFn); + if (Name == "avx2.mpsadbw") // Added in 3.6 + return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx2_mpsadbw, + NewFn); + if (Name == "avx512.mask.cmp.pd.128") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_pd_128, + NewFn); + if (Name == "avx512.mask.cmp.pd.256") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_pd_256, + NewFn); + if (Name == "avx512.mask.cmp.pd.512") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_pd_512, + NewFn); + if (Name == "avx512.mask.cmp.ps.128") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_ps_128, + NewFn); + if (Name == "avx512.mask.cmp.ps.256") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_ps_256, + NewFn); + if (Name == "avx512.mask.cmp.ps.512") // Added in 7.0 + return UpgradeX86MaskedFPCompare(F, Intrinsic::x86_avx512_mask_cmp_ps_512, + NewFn); + + // frcz.ss/sd may need to have an argument dropped. Added in 3.2 + if (Name.startswith("xop.vfrcz.ss") && F->arg_size() == 2) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::x86_xop_vfrcz_ss); + return true; + } + if (Name.startswith("xop.vfrcz.sd") && F->arg_size() == 2) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::x86_xop_vfrcz_sd); + return true; + } + // Upgrade any XOP PERMIL2 index operand still using a float/double vector. + if (Name.startswith("xop.vpermil2")) { // Added in 3.9 + auto Idx = F->getFunctionType()->getParamType(2); + if (Idx->isFPOrFPVectorTy()) { + rename(F); + unsigned IdxSize = Idx->getPrimitiveSizeInBits(); + unsigned EltSize = Idx->getScalarSizeInBits(); + Intrinsic::ID Permil2ID; + if (EltSize == 64 && IdxSize == 128) + Permil2ID = Intrinsic::x86_xop_vpermil2pd; + else if (EltSize == 32 && IdxSize == 128) + Permil2ID = Intrinsic::x86_xop_vpermil2ps; + else if (EltSize == 64 && IdxSize == 256) + Permil2ID = Intrinsic::x86_xop_vpermil2pd_256; + else + Permil2ID = Intrinsic::x86_xop_vpermil2ps_256; + NewFn = Intrinsic::getDeclaration(F->getParent(), Permil2ID); + return true; + } + } + + if (Name == "seh.recoverfp") { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::eh_recoverfp); + return true; + } + + return false; +} + +static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { + assert(F && "Illegal to upgrade a non-existent Function."); + + // Quickly eliminate it, if it's not a candidate. + StringRef Name = F->getName(); + if (Name.size() <= 8 || !Name.startswith("llvm.")) + return false; + Name = Name.substr(5); // Strip off "llvm." + + switch (Name[0]) { + default: break; + case 'a': { + if (Name.startswith("arm.rbit") || Name.startswith("aarch64.rbit")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::bitreverse, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("arm.neon.vclz")) { + Type* args[2] = { + F->arg_begin()->getType(), + Type::getInt1Ty(F->getContext()) + }; + // Can't use Intrinsic::getDeclaration here as it adds a ".i1" to + // the end of the name. Change name from llvm.arm.neon.vclz.* to + // llvm.ctlz.* + FunctionType* fType = FunctionType::get(F->getReturnType(), args, false); + NewFn = Function::Create(fType, F->getLinkage(), F->getAddressSpace(), + "llvm.ctlz." + Name.substr(14), F->getParent()); + return true; + } + if (Name.startswith("arm.neon.vcnt")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctpop, + F->arg_begin()->getType()); + return true; + } + static const Regex vldRegex("^arm\\.neon\\.vld([1234]|[234]lane)\\.v[a-z0-9]*$"); + if (vldRegex.match(Name)) { + auto fArgs = F->getFunctionType()->params(); + SmallVector<Type *, 4> Tys(fArgs.begin(), fArgs.end()); + // Can't use Intrinsic::getDeclaration here as the return types might + // then only be structurally equal. + FunctionType* fType = FunctionType::get(F->getReturnType(), Tys, false); + NewFn = Function::Create(fType, F->getLinkage(), F->getAddressSpace(), + "llvm." + Name + ".p0i8", F->getParent()); + return true; + } + static const Regex vstRegex("^arm\\.neon\\.vst([1234]|[234]lane)\\.v[a-z0-9]*$"); + if (vstRegex.match(Name)) { + static const Intrinsic::ID StoreInts[] = {Intrinsic::arm_neon_vst1, + Intrinsic::arm_neon_vst2, + Intrinsic::arm_neon_vst3, + Intrinsic::arm_neon_vst4}; + + static const Intrinsic::ID StoreLaneInts[] = { + Intrinsic::arm_neon_vst2lane, Intrinsic::arm_neon_vst3lane, + Intrinsic::arm_neon_vst4lane + }; + + auto fArgs = F->getFunctionType()->params(); + Type *Tys[] = {fArgs[0], fArgs[1]}; + if (Name.find("lane") == StringRef::npos) + NewFn = Intrinsic::getDeclaration(F->getParent(), + StoreInts[fArgs.size() - 3], Tys); + else + NewFn = Intrinsic::getDeclaration(F->getParent(), + StoreLaneInts[fArgs.size() - 5], Tys); + return true; + } + if (Name == "aarch64.thread.pointer" || Name == "arm.thread.pointer") { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::thread_pointer); + return true; + } + if (Name.startswith("arm.neon.vqadds.")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::sadd_sat, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("arm.neon.vqaddu.")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::uadd_sat, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("arm.neon.vqsubs.")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ssub_sat, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("arm.neon.vqsubu.")) { + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::usub_sat, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("aarch64.neon.addp")) { + if (F->arg_size() != 2) + break; // Invalid IR. + VectorType *Ty = dyn_cast<VectorType>(F->getReturnType()); + if (Ty && Ty->getElementType()->isFloatingPointTy()) { + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::aarch64_neon_faddp, Ty); + return true; + } + } + + // Changed in 12.0: bfdot accept v4bf16 and v8bf16 instead of v8i8 and v16i8 + // respectively + if ((Name.startswith("arm.neon.bfdot.") || + Name.startswith("aarch64.neon.bfdot.")) && + Name.endswith("i8")) { + Intrinsic::ID IID = + StringSwitch<Intrinsic::ID>(Name) + .Cases("arm.neon.bfdot.v2f32.v8i8", + "arm.neon.bfdot.v4f32.v16i8", + Intrinsic::arm_neon_bfdot) + .Cases("aarch64.neon.bfdot.v2f32.v8i8", + "aarch64.neon.bfdot.v4f32.v16i8", + Intrinsic::aarch64_neon_bfdot) + .Default(Intrinsic::not_intrinsic); + if (IID == Intrinsic::not_intrinsic) + break; + + size_t OperandWidth = F->getReturnType()->getPrimitiveSizeInBits(); + assert((OperandWidth == 64 || OperandWidth == 128) && + "Unexpected operand width"); + LLVMContext &Ctx = F->getParent()->getContext(); + std::array<Type *, 2> Tys {{ + F->getReturnType(), + FixedVectorType::get(Type::getBFloatTy(Ctx), OperandWidth / 16) + }}; + NewFn = Intrinsic::getDeclaration(F->getParent(), IID, Tys); + return true; + } + + // Changed in 12.0: bfmmla, bfmlalb and bfmlalt are not polymorphic anymore + // and accept v8bf16 instead of v16i8 + if ((Name.startswith("arm.neon.bfm") || + Name.startswith("aarch64.neon.bfm")) && + Name.endswith(".v4f32.v16i8")) { + Intrinsic::ID IID = + StringSwitch<Intrinsic::ID>(Name) + .Case("arm.neon.bfmmla.v4f32.v16i8", + Intrinsic::arm_neon_bfmmla) + .Case("arm.neon.bfmlalb.v4f32.v16i8", + Intrinsic::arm_neon_bfmlalb) + .Case("arm.neon.bfmlalt.v4f32.v16i8", + Intrinsic::arm_neon_bfmlalt) + .Case("aarch64.neon.bfmmla.v4f32.v16i8", + Intrinsic::aarch64_neon_bfmmla) + .Case("aarch64.neon.bfmlalb.v4f32.v16i8", + Intrinsic::aarch64_neon_bfmlalb) + .Case("aarch64.neon.bfmlalt.v4f32.v16i8", + Intrinsic::aarch64_neon_bfmlalt) + .Default(Intrinsic::not_intrinsic); + if (IID == Intrinsic::not_intrinsic) + break; + + std::array<Type *, 0> Tys; + NewFn = Intrinsic::getDeclaration(F->getParent(), IID, Tys); + return true; + } + break; + } + + case 'c': { + if (Name.startswith("ctlz.") && F->arg_size() == 1) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz, + F->arg_begin()->getType()); + return true; + } + if (Name.startswith("cttz.") && F->arg_size() == 1) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::cttz, + F->arg_begin()->getType()); + return true; + } + break; + } + case 'd': { + if (Name == "dbg.value" && F->arg_size() == 4) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::dbg_value); + return true; + } + break; + } + case 'e': { + SmallVector<StringRef, 2> Groups; + static const Regex R("^experimental.vector.reduce.([a-z]+)\\.[a-z][0-9]+"); + if (R.match(Name, &Groups)) { + Intrinsic::ID ID; + ID = StringSwitch<Intrinsic::ID>(Groups[1]) + .Case("add", Intrinsic::vector_reduce_add) + .Case("mul", Intrinsic::vector_reduce_mul) + .Case("and", Intrinsic::vector_reduce_and) + .Case("or", Intrinsic::vector_reduce_or) + .Case("xor", Intrinsic::vector_reduce_xor) + .Case("smax", Intrinsic::vector_reduce_smax) + .Case("smin", Intrinsic::vector_reduce_smin) + .Case("umax", Intrinsic::vector_reduce_umax) + .Case("umin", Intrinsic::vector_reduce_umin) + .Case("fmax", Intrinsic::vector_reduce_fmax) + .Case("fmin", Intrinsic::vector_reduce_fmin) + .Default(Intrinsic::not_intrinsic); + if (ID != Intrinsic::not_intrinsic) { + rename(F); + auto Args = F->getFunctionType()->params(); + NewFn = Intrinsic::getDeclaration(F->getParent(), ID, {Args[0]}); + return true; + } + } + static const Regex R2( + "^experimental.vector.reduce.v2.([a-z]+)\\.[fi][0-9]+"); + Groups.clear(); + if (R2.match(Name, &Groups)) { + Intrinsic::ID ID = Intrinsic::not_intrinsic; + if (Groups[1] == "fadd") + ID = Intrinsic::vector_reduce_fadd; + if (Groups[1] == "fmul") + ID = Intrinsic::vector_reduce_fmul; + if (ID != Intrinsic::not_intrinsic) { + rename(F); + auto Args = F->getFunctionType()->params(); + Type *Tys[] = {Args[1]}; + NewFn = Intrinsic::getDeclaration(F->getParent(), ID, Tys); + return true; + } + } + break; + } + case 'i': + case 'l': { + bool IsLifetimeStart = Name.startswith("lifetime.start"); + if (IsLifetimeStart || Name.startswith("invariant.start")) { + Intrinsic::ID ID = IsLifetimeStart ? + Intrinsic::lifetime_start : Intrinsic::invariant_start; + auto Args = F->getFunctionType()->params(); + Type* ObjectPtr[1] = {Args[1]}; + if (F->getName() != Intrinsic::getName(ID, ObjectPtr)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), ID, ObjectPtr); + return true; + } + } + + bool IsLifetimeEnd = Name.startswith("lifetime.end"); + if (IsLifetimeEnd || Name.startswith("invariant.end")) { + Intrinsic::ID ID = IsLifetimeEnd ? + Intrinsic::lifetime_end : Intrinsic::invariant_end; + + auto Args = F->getFunctionType()->params(); + Type* ObjectPtr[1] = {Args[IsLifetimeEnd ? 1 : 2]}; + if (F->getName() != Intrinsic::getName(ID, ObjectPtr)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), ID, ObjectPtr); + return true; + } + } + if (Name.startswith("invariant.group.barrier")) { + // Rename invariant.group.barrier to launder.invariant.group + auto Args = F->getFunctionType()->params(); + Type* ObjectPtr[1] = {Args[0]}; + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::launder_invariant_group, ObjectPtr); + return true; + + } + + break; + } + case 'm': { + if (Name.startswith("masked.load.")) { + Type *Tys[] = { F->getReturnType(), F->arg_begin()->getType() }; + if (F->getName() != Intrinsic::getName(Intrinsic::masked_load, Tys)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_load, + Tys); + return true; + } + } + if (Name.startswith("masked.store.")) { + auto Args = F->getFunctionType()->params(); + Type *Tys[] = { Args[0], Args[1] }; + if (F->getName() != Intrinsic::getName(Intrinsic::masked_store, Tys)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_store, + Tys); + return true; + } + } + // Renaming gather/scatter intrinsics with no address space overloading + // to the new overload which includes an address space + if (Name.startswith("masked.gather.")) { + Type *Tys[] = {F->getReturnType(), F->arg_begin()->getType()}; + if (F->getName() != Intrinsic::getName(Intrinsic::masked_gather, Tys)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_gather, Tys); + return true; + } + } + if (Name.startswith("masked.scatter.")) { + auto Args = F->getFunctionType()->params(); + Type *Tys[] = {Args[0], Args[1]}; + if (F->getName() != Intrinsic::getName(Intrinsic::masked_scatter, Tys)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_scatter, Tys); + return true; + } + } + // Updating the memory intrinsics (memcpy/memmove/memset) that have an + // alignment parameter to embedding the alignment as an attribute of + // the pointer args. + if (Name.startswith("memcpy.") && F->arg_size() == 5) { + rename(F); + // Get the types of dest, src, and len + ArrayRef<Type *> ParamTypes = F->getFunctionType()->params().slice(0, 3); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::memcpy, + ParamTypes); + return true; + } + if (Name.startswith("memmove.") && F->arg_size() == 5) { + rename(F); + // Get the types of dest, src, and len + ArrayRef<Type *> ParamTypes = F->getFunctionType()->params().slice(0, 3); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::memmove, + ParamTypes); + return true; + } + if (Name.startswith("memset.") && F->arg_size() == 5) { + rename(F); + // Get the types of dest, and len + const auto *FT = F->getFunctionType(); + Type *ParamTypes[2] = { + FT->getParamType(0), // Dest + FT->getParamType(2) // len + }; + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::memset, + ParamTypes); + return true; + } + break; + } + case 'n': { + if (Name.startswith("nvvm.")) { + Name = Name.substr(5); + + // The following nvvm intrinsics correspond exactly to an LLVM intrinsic. + Intrinsic::ID IID = StringSwitch<Intrinsic::ID>(Name) + .Cases("brev32", "brev64", Intrinsic::bitreverse) + .Case("clz.i", Intrinsic::ctlz) + .Case("popc.i", Intrinsic::ctpop) + .Default(Intrinsic::not_intrinsic); + if (IID != Intrinsic::not_intrinsic && F->arg_size() == 1) { + NewFn = Intrinsic::getDeclaration(F->getParent(), IID, + {F->getReturnType()}); + return true; + } + + // The following nvvm intrinsics correspond exactly to an LLVM idiom, but + // not to an intrinsic alone. We expand them in UpgradeIntrinsicCall. + // + // TODO: We could add lohi.i2d. + bool Expand = StringSwitch<bool>(Name) + .Cases("abs.i", "abs.ll", true) + .Cases("clz.ll", "popc.ll", "h2f", true) + .Cases("max.i", "max.ll", "max.ui", "max.ull", true) + .Cases("min.i", "min.ll", "min.ui", "min.ull", true) + .StartsWith("atomic.load.add.f32.p", true) + .StartsWith("atomic.load.add.f64.p", true) + .Default(false); + if (Expand) { + NewFn = nullptr; + return true; + } + } + break; + } + case 'o': + // We only need to change the name to match the mangling including the + // address space. + if (Name.startswith("objectsize.")) { + Type *Tys[2] = { F->getReturnType(), F->arg_begin()->getType() }; + if (F->arg_size() == 2 || F->arg_size() == 3 || + F->getName() != Intrinsic::getName(Intrinsic::objectsize, Tys)) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::objectsize, + Tys); + return true; + } + } + break; + + case 'p': + if (Name == "prefetch") { + // Handle address space overloading. + Type *Tys[] = {F->arg_begin()->getType()}; + if (F->getName() != Intrinsic::getName(Intrinsic::prefetch, Tys)) { + rename(F); + NewFn = + Intrinsic::getDeclaration(F->getParent(), Intrinsic::prefetch, Tys); + return true; + } + } else if (Name.startswith("ptr.annotation.") && F->arg_size() == 4) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::ptr_annotation, + F->arg_begin()->getType()); + return true; + } + break; + + case 's': + if (Name == "stackprotectorcheck") { + NewFn = nullptr; + return true; + } + break; + + case 'v': { + if (Name == "var.annotation" && F->arg_size() == 4) { + rename(F); + NewFn = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::var_annotation); + return true; + } + break; + } + + case 'x': + if (UpgradeX86IntrinsicFunction(F, Name, NewFn)) + return true; + } + // Remangle our intrinsic since we upgrade the mangling + auto Result = llvm::Intrinsic::remangleIntrinsicFunction(F); + if (Result != None) { + NewFn = Result.getValue(); + return true; + } + + // This may not belong here. This function is effectively being overloaded + // to both detect an intrinsic which needs upgrading, and to provide the + // upgraded form of the intrinsic. We should perhaps have two separate + // functions for this. + return false; +} + +bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) { + NewFn = nullptr; + bool Upgraded = UpgradeIntrinsicFunction1(F, NewFn); + assert(F != NewFn && "Intrinsic function upgraded to the same function"); + + // Upgrade intrinsic attributes. This does not change the function. + if (NewFn) + F = NewFn; + if (Intrinsic::ID id = F->getIntrinsicID()) + F->setAttributes(Intrinsic::getAttributes(F->getContext(), id)); + return Upgraded; +} + +GlobalVariable *llvm::UpgradeGlobalVariable(GlobalVariable *GV) { + if (!(GV->hasName() && (GV->getName() == "llvm.global_ctors" || + GV->getName() == "llvm.global_dtors")) || + !GV->hasInitializer()) + return nullptr; + ArrayType *ATy = dyn_cast<ArrayType>(GV->getValueType()); + if (!ATy) + return nullptr; + StructType *STy = dyn_cast<StructType>(ATy->getElementType()); + if (!STy || STy->getNumElements() != 2) + return nullptr; + + LLVMContext &C = GV->getContext(); + IRBuilder<> IRB(C); + auto EltTy = StructType::get(STy->getElementType(0), STy->getElementType(1), + IRB.getInt8PtrTy()); + Constant *Init = GV->getInitializer(); + unsigned N = Init->getNumOperands(); + std::vector<Constant *> NewCtors(N); + for (unsigned i = 0; i != N; ++i) { + auto Ctor = cast<Constant>(Init->getOperand(i)); + NewCtors[i] = ConstantStruct::get( + EltTy, Ctor->getAggregateElement(0u), Ctor->getAggregateElement(1), + Constant::getNullValue(IRB.getInt8PtrTy())); + } + Constant *NewInit = ConstantArray::get(ArrayType::get(EltTy, N), NewCtors); + + return new GlobalVariable(NewInit->getType(), false, GV->getLinkage(), + NewInit, GV->getName()); +} + +// Handles upgrading SSE2/AVX2/AVX512BW PSLLDQ intrinsics by converting them +// to byte shuffles. +static Value *UpgradeX86PSLLDQIntrinsics(IRBuilder<> &Builder, + Value *Op, unsigned Shift) { + auto *ResultTy = cast<FixedVectorType>(Op->getType()); + unsigned NumElts = ResultTy->getNumElements() * 8; + + // Bitcast from a 64-bit element type to a byte element type. + Type *VecTy = FixedVectorType::get(Builder.getInt8Ty(), NumElts); + Op = Builder.CreateBitCast(Op, VecTy, "cast"); + + // We'll be shuffling in zeroes. + Value *Res = Constant::getNullValue(VecTy); + + // If shift is less than 16, emit a shuffle to move the bytes. Otherwise, + // we'll just return the zero vector. + if (Shift < 16) { + int Idxs[64]; + // 256/512-bit version is split into 2/4 16-byte lanes. + for (unsigned l = 0; l != NumElts; l += 16) + for (unsigned i = 0; i != 16; ++i) { + unsigned Idx = NumElts + i - Shift; + if (Idx < NumElts) + Idx -= NumElts - 16; // end of lane, switch operand. + Idxs[l + i] = Idx + l; + } + + Res = Builder.CreateShuffleVector(Res, Op, makeArrayRef(Idxs, NumElts)); + } + + // Bitcast back to a 64-bit element type. + return Builder.CreateBitCast(Res, ResultTy, "cast"); +} + +// Handles upgrading SSE2/AVX2/AVX512BW PSRLDQ intrinsics by converting them +// to byte shuffles. +static Value *UpgradeX86PSRLDQIntrinsics(IRBuilder<> &Builder, Value *Op, + unsigned Shift) { + auto *ResultTy = cast<FixedVectorType>(Op->getType()); + unsigned NumElts = ResultTy->getNumElements() * 8; + + // Bitcast from a 64-bit element type to a byte element type. + Type *VecTy = FixedVectorType::get(Builder.getInt8Ty(), NumElts); + Op = Builder.CreateBitCast(Op, VecTy, "cast"); + + // We'll be shuffling in zeroes. + Value *Res = Constant::getNullValue(VecTy); + + // If shift is less than 16, emit a shuffle to move the bytes. Otherwise, + // we'll just return the zero vector. + if (Shift < 16) { + int Idxs[64]; + // 256/512-bit version is split into 2/4 16-byte lanes. + for (unsigned l = 0; l != NumElts; l += 16) + for (unsigned i = 0; i != 16; ++i) { + unsigned Idx = i + Shift; + if (Idx >= 16) + Idx += NumElts - 16; // end of lane, switch operand. + Idxs[l + i] = Idx + l; + } + + Res = Builder.CreateShuffleVector(Op, Res, makeArrayRef(Idxs, NumElts)); + } + + // Bitcast back to a 64-bit element type. + return Builder.CreateBitCast(Res, ResultTy, "cast"); +} + +static Value *getX86MaskVec(IRBuilder<> &Builder, Value *Mask, + unsigned NumElts) { + assert(isPowerOf2_32(NumElts) && "Expected power-of-2 mask elements"); + llvm::VectorType *MaskTy = FixedVectorType::get( + Builder.getInt1Ty(), cast<IntegerType>(Mask->getType())->getBitWidth()); + Mask = Builder.CreateBitCast(Mask, MaskTy); + + // If we have less than 8 elements (1, 2 or 4), then the starting mask was an + // i8 and we need to extract down to the right number of elements. + if (NumElts <= 4) { + int Indices[4]; + for (unsigned i = 0; i != NumElts; ++i) + Indices[i] = i; + Mask = Builder.CreateShuffleVector( + Mask, Mask, makeArrayRef(Indices, NumElts), "extract"); + } + + return Mask; +} + +static Value *EmitX86Select(IRBuilder<> &Builder, Value *Mask, + Value *Op0, Value *Op1) { + // If the mask is all ones just emit the first operation. + if (const auto *C = dyn_cast<Constant>(Mask)) + if (C->isAllOnesValue()) + return Op0; + + Mask = getX86MaskVec(Builder, Mask, + cast<FixedVectorType>(Op0->getType())->getNumElements()); + return Builder.CreateSelect(Mask, Op0, Op1); +} + +static Value *EmitX86ScalarSelect(IRBuilder<> &Builder, Value *Mask, + Value *Op0, Value *Op1) { + // If the mask is all ones just emit the first operation. + if (const auto *C = dyn_cast<Constant>(Mask)) + if (C->isAllOnesValue()) + return Op0; + + auto *MaskTy = FixedVectorType::get(Builder.getInt1Ty(), + Mask->getType()->getIntegerBitWidth()); + Mask = Builder.CreateBitCast(Mask, MaskTy); + Mask = Builder.CreateExtractElement(Mask, (uint64_t)0); + return Builder.CreateSelect(Mask, Op0, Op1); +} + +// Handle autoupgrade for masked PALIGNR and VALIGND/Q intrinsics. +// PALIGNR handles large immediates by shifting while VALIGN masks the immediate +// so we need to handle both cases. VALIGN also doesn't have 128-bit lanes. +static Value *UpgradeX86ALIGNIntrinsics(IRBuilder<> &Builder, Value *Op0, + Value *Op1, Value *Shift, + Value *Passthru, Value *Mask, + bool IsVALIGN) { + unsigned ShiftVal = cast<llvm::ConstantInt>(Shift)->getZExtValue(); + + unsigned NumElts = cast<FixedVectorType>(Op0->getType())->getNumElements(); + assert((IsVALIGN || NumElts % 16 == 0) && "Illegal NumElts for PALIGNR!"); + assert((!IsVALIGN || NumElts <= 16) && "NumElts too large for VALIGN!"); + assert(isPowerOf2_32(NumElts) && "NumElts not a power of 2!"); + + // Mask the immediate for VALIGN. + if (IsVALIGN) + ShiftVal &= (NumElts - 1); + + // If palignr is shifting the pair of vectors more than the size of two + // lanes, emit zero. + if (ShiftVal >= 32) + return llvm::Constant::getNullValue(Op0->getType()); + + // If palignr is shifting the pair of input vectors more than one lane, + // but less than two lanes, convert to shifting in zeroes. + if (ShiftVal > 16) { + ShiftVal -= 16; + Op1 = Op0; + Op0 = llvm::Constant::getNullValue(Op0->getType()); + } + + int Indices[64]; + // 256-bit palignr operates on 128-bit lanes so we need to handle that + for (unsigned l = 0; l < NumElts; l += 16) { + for (unsigned i = 0; i != 16; ++i) { + unsigned Idx = ShiftVal + i; + if (!IsVALIGN && Idx >= 16) // Disable wrap for VALIGN. + Idx += NumElts - 16; // End of lane, switch operand. + Indices[l + i] = Idx + l; + } + } + + Value *Align = Builder.CreateShuffleVector(Op1, Op0, + makeArrayRef(Indices, NumElts), + "palignr"); + + return EmitX86Select(Builder, Mask, Align, Passthru); +} + +static Value *UpgradeX86VPERMT2Intrinsics(IRBuilder<> &Builder, CallInst &CI, + bool ZeroMask, bool IndexForm) { + Type *Ty = CI.getType(); + unsigned VecWidth = Ty->getPrimitiveSizeInBits(); + unsigned EltWidth = Ty->getScalarSizeInBits(); + bool IsFloat = Ty->isFPOrFPVectorTy(); + Intrinsic::ID IID; + if (VecWidth == 128 && EltWidth == 32 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_ps_128; + else if (VecWidth == 128 && EltWidth == 32 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_d_128; + else if (VecWidth == 128 && EltWidth == 64 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_pd_128; + else if (VecWidth == 128 && EltWidth == 64 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_q_128; + else if (VecWidth == 256 && EltWidth == 32 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_ps_256; + else if (VecWidth == 256 && EltWidth == 32 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_d_256; + else if (VecWidth == 256 && EltWidth == 64 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_pd_256; + else if (VecWidth == 256 && EltWidth == 64 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_q_256; + else if (VecWidth == 512 && EltWidth == 32 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_ps_512; + else if (VecWidth == 512 && EltWidth == 32 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_d_512; + else if (VecWidth == 512 && EltWidth == 64 && IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_pd_512; + else if (VecWidth == 512 && EltWidth == 64 && !IsFloat) + IID = Intrinsic::x86_avx512_vpermi2var_q_512; + else if (VecWidth == 128 && EltWidth == 16) + IID = Intrinsic::x86_avx512_vpermi2var_hi_128; + else if (VecWidth == 256 && EltWidth == 16) + IID = Intrinsic::x86_avx512_vpermi2var_hi_256; + else if (VecWidth == 512 && EltWidth == 16) + IID = Intrinsic::x86_avx512_vpermi2var_hi_512; + else if (VecWidth == 128 && EltWidth == 8) + IID = Intrinsic::x86_avx512_vpermi2var_qi_128; + else if (VecWidth == 256 && EltWidth == 8) + IID = Intrinsic::x86_avx512_vpermi2var_qi_256; + else if (VecWidth == 512 && EltWidth == 8) + IID = Intrinsic::x86_avx512_vpermi2var_qi_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Args[] = { CI.getArgOperand(0) , CI.getArgOperand(1), + CI.getArgOperand(2) }; + + // If this isn't index form we need to swap operand 0 and 1. + if (!IndexForm) + std::swap(Args[0], Args[1]); + + Value *V = Builder.CreateCall(Intrinsic::getDeclaration(CI.getModule(), IID), + Args); + Value *PassThru = ZeroMask ? ConstantAggregateZero::get(Ty) + : Builder.CreateBitCast(CI.getArgOperand(1), + Ty); + return EmitX86Select(Builder, CI.getArgOperand(3), V, PassThru); +} + +static Value *UpgradeX86BinaryIntrinsics(IRBuilder<> &Builder, CallInst &CI, + Intrinsic::ID IID) { + Type *Ty = CI.getType(); + Value *Op0 = CI.getOperand(0); + Value *Op1 = CI.getOperand(1); + Function *Intrin = Intrinsic::getDeclaration(CI.getModule(), IID, Ty); + Value *Res = Builder.CreateCall(Intrin, {Op0, Op1}); + + if (CI.getNumArgOperands() == 4) { // For masked intrinsics. + Value *VecSrc = CI.getOperand(2); + Value *Mask = CI.getOperand(3); + Res = EmitX86Select(Builder, Mask, Res, VecSrc); + } + return Res; +} + +static Value *upgradeX86Rotate(IRBuilder<> &Builder, CallInst &CI, + bool IsRotateRight) { + Type *Ty = CI.getType(); + Value *Src = CI.getArgOperand(0); + Value *Amt = CI.getArgOperand(1); + + // Amount may be scalar immediate, in which case create a splat vector. + // Funnel shifts amounts are treated as modulo and types are all power-of-2 so + // we only care about the lowest log2 bits anyway. + if (Amt->getType() != Ty) { + unsigned NumElts = cast<FixedVectorType>(Ty)->getNumElements(); + Amt = Builder.CreateIntCast(Amt, Ty->getScalarType(), false); + Amt = Builder.CreateVectorSplat(NumElts, Amt); + } + + Intrinsic::ID IID = IsRotateRight ? Intrinsic::fshr : Intrinsic::fshl; + Function *Intrin = Intrinsic::getDeclaration(CI.getModule(), IID, Ty); + Value *Res = Builder.CreateCall(Intrin, {Src, Src, Amt}); + + if (CI.getNumArgOperands() == 4) { // For masked intrinsics. + Value *VecSrc = CI.getOperand(2); + Value *Mask = CI.getOperand(3); + Res = EmitX86Select(Builder, Mask, Res, VecSrc); + } + return Res; +} + +static Value *upgradeX86vpcom(IRBuilder<> &Builder, CallInst &CI, unsigned Imm, + bool IsSigned) { + Type *Ty = CI.getType(); + Value *LHS = CI.getArgOperand(0); + Value *RHS = CI.getArgOperand(1); + + CmpInst::Predicate Pred; + switch (Imm) { + case 0x0: + Pred = IsSigned ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT; + break; + case 0x1: + Pred = IsSigned ? ICmpInst::ICMP_SLE : ICmpInst::ICMP_ULE; + break; + case 0x2: + Pred = IsSigned ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT; + break; + case 0x3: + Pred = IsSigned ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE; + break; + case 0x4: + Pred = ICmpInst::ICMP_EQ; + break; + case 0x5: + Pred = ICmpInst::ICMP_NE; + break; + case 0x6: + return Constant::getNullValue(Ty); // FALSE + case 0x7: + return Constant::getAllOnesValue(Ty); // TRUE + default: + llvm_unreachable("Unknown XOP vpcom/vpcomu predicate"); + } + + Value *Cmp = Builder.CreateICmp(Pred, LHS, RHS); + Value *Ext = Builder.CreateSExt(Cmp, Ty); + return Ext; +} + +static Value *upgradeX86ConcatShift(IRBuilder<> &Builder, CallInst &CI, + bool IsShiftRight, bool ZeroMask) { + Type *Ty = CI.getType(); + Value *Op0 = CI.getArgOperand(0); + Value *Op1 = CI.getArgOperand(1); + Value *Amt = CI.getArgOperand(2); + + if (IsShiftRight) + std::swap(Op0, Op1); + + // Amount may be scalar immediate, in which case create a splat vector. + // Funnel shifts amounts are treated as modulo and types are all power-of-2 so + // we only care about the lowest log2 bits anyway. + if (Amt->getType() != Ty) { + unsigned NumElts = cast<FixedVectorType>(Ty)->getNumElements(); + Amt = Builder.CreateIntCast(Amt, Ty->getScalarType(), false); + Amt = Builder.CreateVectorSplat(NumElts, Amt); + } + + Intrinsic::ID IID = IsShiftRight ? Intrinsic::fshr : Intrinsic::fshl; + Function *Intrin = Intrinsic::getDeclaration(CI.getModule(), IID, Ty); + Value *Res = Builder.CreateCall(Intrin, {Op0, Op1, Amt}); + + unsigned NumArgs = CI.getNumArgOperands(); + if (NumArgs >= 4) { // For masked intrinsics. + Value *VecSrc = NumArgs == 5 ? CI.getArgOperand(3) : + ZeroMask ? ConstantAggregateZero::get(CI.getType()) : + CI.getArgOperand(0); + Value *Mask = CI.getOperand(NumArgs - 1); + Res = EmitX86Select(Builder, Mask, Res, VecSrc); + } + return Res; +} + +static Value *UpgradeMaskedStore(IRBuilder<> &Builder, + Value *Ptr, Value *Data, Value *Mask, + bool Aligned) { + // Cast the pointer to the right type. + Ptr = Builder.CreateBitCast(Ptr, + llvm::PointerType::getUnqual(Data->getType())); + const Align Alignment = + Aligned + ? Align(Data->getType()->getPrimitiveSizeInBits().getFixedSize() / 8) + : Align(1); + + // If the mask is all ones just emit a regular store. + if (const auto *C = dyn_cast<Constant>(Mask)) + if (C->isAllOnesValue()) + return Builder.CreateAlignedStore(Data, Ptr, Alignment); + + // Convert the mask from an integer type to a vector of i1. + unsigned NumElts = cast<FixedVectorType>(Data->getType())->getNumElements(); + Mask = getX86MaskVec(Builder, Mask, NumElts); + return Builder.CreateMaskedStore(Data, Ptr, Alignment, Mask); +} + +static Value *UpgradeMaskedLoad(IRBuilder<> &Builder, + Value *Ptr, Value *Passthru, Value *Mask, + bool Aligned) { + Type *ValTy = Passthru->getType(); + // Cast the pointer to the right type. + Ptr = Builder.CreateBitCast(Ptr, llvm::PointerType::getUnqual(ValTy)); + const Align Alignment = + Aligned + ? Align(Passthru->getType()->getPrimitiveSizeInBits().getFixedSize() / + 8) + : Align(1); + + // If the mask is all ones just emit a regular store. + if (const auto *C = dyn_cast<Constant>(Mask)) + if (C->isAllOnesValue()) + return Builder.CreateAlignedLoad(ValTy, Ptr, Alignment); + + // Convert the mask from an integer type to a vector of i1. + unsigned NumElts = + cast<FixedVectorType>(Passthru->getType())->getNumElements(); + Mask = getX86MaskVec(Builder, Mask, NumElts); + return Builder.CreateMaskedLoad(Ptr, Alignment, Mask, Passthru); +} + +static Value *upgradeAbs(IRBuilder<> &Builder, CallInst &CI) { + Type *Ty = CI.getType(); + Value *Op0 = CI.getArgOperand(0); + Function *F = Intrinsic::getDeclaration(CI.getModule(), Intrinsic::abs, Ty); + Value *Res = Builder.CreateCall(F, {Op0, Builder.getInt1(false)}); + if (CI.getNumArgOperands() == 3) + Res = EmitX86Select(Builder, CI.getArgOperand(2), Res, CI.getArgOperand(1)); + return Res; +} + +static Value *upgradePMULDQ(IRBuilder<> &Builder, CallInst &CI, bool IsSigned) { + Type *Ty = CI.getType(); + + // Arguments have a vXi32 type so cast to vXi64. + Value *LHS = Builder.CreateBitCast(CI.getArgOperand(0), Ty); + Value *RHS = Builder.CreateBitCast(CI.getArgOperand(1), Ty); + + if (IsSigned) { + // Shift left then arithmetic shift right. + Constant *ShiftAmt = ConstantInt::get(Ty, 32); + LHS = Builder.CreateShl(LHS, ShiftAmt); + LHS = Builder.CreateAShr(LHS, ShiftAmt); + RHS = Builder.CreateShl(RHS, ShiftAmt); + RHS = Builder.CreateAShr(RHS, ShiftAmt); + } else { + // Clear the upper bits. + Constant *Mask = ConstantInt::get(Ty, 0xffffffff); + LHS = Builder.CreateAnd(LHS, Mask); + RHS = Builder.CreateAnd(RHS, Mask); + } + + Value *Res = Builder.CreateMul(LHS, RHS); + + if (CI.getNumArgOperands() == 4) + Res = EmitX86Select(Builder, CI.getArgOperand(3), Res, CI.getArgOperand(2)); + + return Res; +} + +// Applying mask on vector of i1's and make sure result is at least 8 bits wide. +static Value *ApplyX86MaskOn1BitsVec(IRBuilder<> &Builder, Value *Vec, + Value *Mask) { + unsigned NumElts = cast<FixedVectorType>(Vec->getType())->getNumElements(); + if (Mask) { + const auto *C = dyn_cast<Constant>(Mask); + if (!C || !C->isAllOnesValue()) + Vec = Builder.CreateAnd(Vec, getX86MaskVec(Builder, Mask, NumElts)); + } + + if (NumElts < 8) { + int Indices[8]; + for (unsigned i = 0; i != NumElts; ++i) + Indices[i] = i; + for (unsigned i = NumElts; i != 8; ++i) + Indices[i] = NumElts + i % NumElts; + Vec = Builder.CreateShuffleVector(Vec, + Constant::getNullValue(Vec->getType()), + Indices); + } + return Builder.CreateBitCast(Vec, Builder.getIntNTy(std::max(NumElts, 8U))); +} + +static Value *upgradeMaskedCompare(IRBuilder<> &Builder, CallInst &CI, + unsigned CC, bool Signed) { + Value *Op0 = CI.getArgOperand(0); + unsigned NumElts = cast<FixedVectorType>(Op0->getType())->getNumElements(); + + Value *Cmp; + if (CC == 3) { + Cmp = Constant::getNullValue( + FixedVectorType::get(Builder.getInt1Ty(), NumElts)); + } else if (CC == 7) { + Cmp = Constant::getAllOnesValue( + FixedVectorType::get(Builder.getInt1Ty(), NumElts)); + } else { + ICmpInst::Predicate Pred; + switch (CC) { + default: llvm_unreachable("Unknown condition code"); + case 0: Pred = ICmpInst::ICMP_EQ; break; + case 1: Pred = Signed ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT; break; + case 2: Pred = Signed ? ICmpInst::ICMP_SLE : ICmpInst::ICMP_ULE; break; + case 4: Pred = ICmpInst::ICMP_NE; break; + case 5: Pred = Signed ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE; break; + case 6: Pred = Signed ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT; break; + } + Cmp = Builder.CreateICmp(Pred, Op0, CI.getArgOperand(1)); + } + + Value *Mask = CI.getArgOperand(CI.getNumArgOperands() - 1); + + return ApplyX86MaskOn1BitsVec(Builder, Cmp, Mask); +} + +// Replace a masked intrinsic with an older unmasked intrinsic. +static Value *UpgradeX86MaskedShift(IRBuilder<> &Builder, CallInst &CI, + Intrinsic::ID IID) { + Function *Intrin = Intrinsic::getDeclaration(CI.getModule(), IID); + Value *Rep = Builder.CreateCall(Intrin, + { CI.getArgOperand(0), CI.getArgOperand(1) }); + return EmitX86Select(Builder, CI.getArgOperand(3), Rep, CI.getArgOperand(2)); +} + +static Value* upgradeMaskedMove(IRBuilder<> &Builder, CallInst &CI) { + Value* A = CI.getArgOperand(0); + Value* B = CI.getArgOperand(1); + Value* Src = CI.getArgOperand(2); + Value* Mask = CI.getArgOperand(3); + + Value* AndNode = Builder.CreateAnd(Mask, APInt(8, 1)); + Value* Cmp = Builder.CreateIsNotNull(AndNode); + Value* Extract1 = Builder.CreateExtractElement(B, (uint64_t)0); + Value* Extract2 = Builder.CreateExtractElement(Src, (uint64_t)0); + Value* Select = Builder.CreateSelect(Cmp, Extract1, Extract2); + return Builder.CreateInsertElement(A, Select, (uint64_t)0); +} + + +static Value* UpgradeMaskToInt(IRBuilder<> &Builder, CallInst &CI) { + Value* Op = CI.getArgOperand(0); + Type* ReturnOp = CI.getType(); + unsigned NumElts = cast<FixedVectorType>(CI.getType())->getNumElements(); + Value *Mask = getX86MaskVec(Builder, Op, NumElts); + return Builder.CreateSExt(Mask, ReturnOp, "vpmovm2"); +} + +// Replace intrinsic with unmasked version and a select. +static bool upgradeAVX512MaskToSelect(StringRef Name, IRBuilder<> &Builder, + CallInst &CI, Value *&Rep) { + Name = Name.substr(12); // Remove avx512.mask. + + unsigned VecWidth = CI.getType()->getPrimitiveSizeInBits(); + unsigned EltWidth = CI.getType()->getScalarSizeInBits(); + Intrinsic::ID IID; + if (Name.startswith("max.p")) { + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_sse_max_ps; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_sse2_max_pd; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx_max_ps_256; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx_max_pd_256; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("min.p")) { + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_sse_min_ps; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_sse2_min_pd; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx_min_ps_256; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx_min_pd_256; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pshuf.b.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_ssse3_pshuf_b_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pshuf_b; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pshuf_b_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmul.hr.sw.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_ssse3_pmul_hr_sw_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmul_hr_sw; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmul_hr_sw_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmulh.w.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_pmulh_w; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmulh_w; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmulh_w_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmulhu.w.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_pmulhu_w; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmulhu_w; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmulhu_w_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmaddw.d.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_pmadd_wd; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmadd_wd; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmaddw_d_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmaddubs.w.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_ssse3_pmadd_ub_sw_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmadd_ub_sw; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmaddubs_w_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("packsswb.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_packsswb_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_packsswb; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_packsswb_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("packssdw.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_packssdw_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_packssdw; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_packssdw_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("packuswb.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_packuswb_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_packuswb; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_packuswb_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("packusdw.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse41_packusdw; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_packusdw; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_packusdw_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("vpermilvar.")) { + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_avx_vpermilvar_ps; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_avx_vpermilvar_pd; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx_vpermilvar_ps_256; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx_vpermilvar_pd_256; + else if (VecWidth == 512 && EltWidth == 32) + IID = Intrinsic::x86_avx512_vpermilvar_ps_512; + else if (VecWidth == 512 && EltWidth == 64) + IID = Intrinsic::x86_avx512_vpermilvar_pd_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name == "cvtpd2dq.256") { + IID = Intrinsic::x86_avx_cvt_pd2dq_256; + } else if (Name == "cvtpd2ps.256") { + IID = Intrinsic::x86_avx_cvt_pd2_ps_256; + } else if (Name == "cvttpd2dq.256") { + IID = Intrinsic::x86_avx_cvtt_pd2dq_256; + } else if (Name == "cvttps2dq.128") { + IID = Intrinsic::x86_sse2_cvttps2dq; + } else if (Name == "cvttps2dq.256") { + IID = Intrinsic::x86_avx_cvtt_ps2dq_256; + } else if (Name.startswith("permvar.")) { + bool IsFloat = CI.getType()->isFPOrFPVectorTy(); + if (VecWidth == 256 && EltWidth == 32 && IsFloat) + IID = Intrinsic::x86_avx2_permps; + else if (VecWidth == 256 && EltWidth == 32 && !IsFloat) + IID = Intrinsic::x86_avx2_permd; + else if (VecWidth == 256 && EltWidth == 64 && IsFloat) + IID = Intrinsic::x86_avx512_permvar_df_256; + else if (VecWidth == 256 && EltWidth == 64 && !IsFloat) + IID = Intrinsic::x86_avx512_permvar_di_256; + else if (VecWidth == 512 && EltWidth == 32 && IsFloat) + IID = Intrinsic::x86_avx512_permvar_sf_512; + else if (VecWidth == 512 && EltWidth == 32 && !IsFloat) + IID = Intrinsic::x86_avx512_permvar_si_512; + else if (VecWidth == 512 && EltWidth == 64 && IsFloat) + IID = Intrinsic::x86_avx512_permvar_df_512; + else if (VecWidth == 512 && EltWidth == 64 && !IsFloat) + IID = Intrinsic::x86_avx512_permvar_di_512; + else if (VecWidth == 128 && EltWidth == 16) + IID = Intrinsic::x86_avx512_permvar_hi_128; + else if (VecWidth == 256 && EltWidth == 16) + IID = Intrinsic::x86_avx512_permvar_hi_256; + else if (VecWidth == 512 && EltWidth == 16) + IID = Intrinsic::x86_avx512_permvar_hi_512; + else if (VecWidth == 128 && EltWidth == 8) + IID = Intrinsic::x86_avx512_permvar_qi_128; + else if (VecWidth == 256 && EltWidth == 8) + IID = Intrinsic::x86_avx512_permvar_qi_256; + else if (VecWidth == 512 && EltWidth == 8) + IID = Intrinsic::x86_avx512_permvar_qi_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("dbpsadbw.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_avx512_dbpsadbw_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx512_dbpsadbw_256; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_dbpsadbw_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmultishift.qb.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_avx512_pmultishift_qb_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx512_pmultishift_qb_256; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmultishift_qb_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("conflict.")) { + if (Name[9] == 'd' && VecWidth == 128) + IID = Intrinsic::x86_avx512_conflict_d_128; + else if (Name[9] == 'd' && VecWidth == 256) + IID = Intrinsic::x86_avx512_conflict_d_256; + else if (Name[9] == 'd' && VecWidth == 512) + IID = Intrinsic::x86_avx512_conflict_d_512; + else if (Name[9] == 'q' && VecWidth == 128) + IID = Intrinsic::x86_avx512_conflict_q_128; + else if (Name[9] == 'q' && VecWidth == 256) + IID = Intrinsic::x86_avx512_conflict_q_256; + else if (Name[9] == 'q' && VecWidth == 512) + IID = Intrinsic::x86_avx512_conflict_q_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pavg.")) { + if (Name[5] == 'b' && VecWidth == 128) + IID = Intrinsic::x86_sse2_pavg_b; + else if (Name[5] == 'b' && VecWidth == 256) + IID = Intrinsic::x86_avx2_pavg_b; + else if (Name[5] == 'b' && VecWidth == 512) + IID = Intrinsic::x86_avx512_pavg_b_512; + else if (Name[5] == 'w' && VecWidth == 128) + IID = Intrinsic::x86_sse2_pavg_w; + else if (Name[5] == 'w' && VecWidth == 256) + IID = Intrinsic::x86_avx2_pavg_w; + else if (Name[5] == 'w' && VecWidth == 512) + IID = Intrinsic::x86_avx512_pavg_w_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else + return false; + + SmallVector<Value *, 4> Args(CI.arg_operands().begin(), + CI.arg_operands().end()); + Args.pop_back(); + Args.pop_back(); + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI.getModule(), IID), + Args); + unsigned NumArgs = CI.getNumArgOperands(); + Rep = EmitX86Select(Builder, CI.getArgOperand(NumArgs - 1), Rep, + CI.getArgOperand(NumArgs - 2)); + return true; +} + +/// Upgrade comment in call to inline asm that represents an objc retain release +/// marker. +void llvm::UpgradeInlineAsmString(std::string *AsmStr) { + size_t Pos; + if (AsmStr->find("mov\tfp") == 0 && + AsmStr->find("objc_retainAutoreleaseReturnValue") != std::string::npos && + (Pos = AsmStr->find("# marker")) != std::string::npos) { + AsmStr->replace(Pos, 1, ";"); + } +} + +/// Upgrade a call to an old intrinsic. All argument and return casting must be +/// provided to seamlessly integrate with existing context. +void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { + Function *F = CI->getCalledFunction(); + LLVMContext &C = CI->getContext(); + IRBuilder<> Builder(C); + Builder.SetInsertPoint(CI->getParent(), CI->getIterator()); + + assert(F && "Intrinsic call is not direct?"); + + if (!NewFn) { + // Get the Function's name. + StringRef Name = F->getName(); + + assert(Name.startswith("llvm.") && "Intrinsic doesn't start with 'llvm.'"); + Name = Name.substr(5); + + bool IsX86 = Name.startswith("x86."); + if (IsX86) + Name = Name.substr(4); + bool IsNVVM = Name.startswith("nvvm."); + if (IsNVVM) + Name = Name.substr(5); + + if (IsX86 && Name.startswith("sse4a.movnt.")) { + Module *M = F->getParent(); + SmallVector<Metadata *, 1> Elts; + Elts.push_back( + ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1))); + MDNode *Node = MDNode::get(C, Elts); + + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + + // Nontemporal (unaligned) store of the 0'th element of the float/double + // vector. + Type *SrcEltTy = cast<VectorType>(Arg1->getType())->getElementType(); + PointerType *EltPtrTy = PointerType::getUnqual(SrcEltTy); + Value *Addr = Builder.CreateBitCast(Arg0, EltPtrTy, "cast"); + Value *Extract = + Builder.CreateExtractElement(Arg1, (uint64_t)0, "extractelement"); + + StoreInst *SI = Builder.CreateAlignedStore(Extract, Addr, Align(1)); + SI->setMetadata(M->getMDKindID("nontemporal"), Node); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + if (IsX86 && (Name.startswith("avx.movnt.") || + Name.startswith("avx512.storent."))) { + Module *M = F->getParent(); + SmallVector<Metadata *, 1> Elts; + Elts.push_back( + ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1))); + MDNode *Node = MDNode::get(C, Elts); + + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + + // Convert the type of the pointer to a pointer to the stored type. + Value *BC = Builder.CreateBitCast(Arg0, + PointerType::getUnqual(Arg1->getType()), + "cast"); + StoreInst *SI = Builder.CreateAlignedStore( + Arg1, BC, + Align(Arg1->getType()->getPrimitiveSizeInBits().getFixedSize() / 8)); + SI->setMetadata(M->getMDKindID("nontemporal"), Node); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + if (IsX86 && Name == "sse2.storel.dq") { + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + + auto *NewVecTy = FixedVectorType::get(Type::getInt64Ty(C), 2); + Value *BC0 = Builder.CreateBitCast(Arg1, NewVecTy, "cast"); + Value *Elt = Builder.CreateExtractElement(BC0, (uint64_t)0); + Value *BC = Builder.CreateBitCast(Arg0, + PointerType::getUnqual(Elt->getType()), + "cast"); + Builder.CreateAlignedStore(Elt, BC, Align(1)); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + if (IsX86 && (Name.startswith("sse.storeu.") || + Name.startswith("sse2.storeu.") || + Name.startswith("avx.storeu."))) { + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + + Arg0 = Builder.CreateBitCast(Arg0, + PointerType::getUnqual(Arg1->getType()), + "cast"); + Builder.CreateAlignedStore(Arg1, Arg0, Align(1)); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + if (IsX86 && Name == "avx512.mask.store.ss") { + Value *Mask = Builder.CreateAnd(CI->getArgOperand(2), Builder.getInt8(1)); + UpgradeMaskedStore(Builder, CI->getArgOperand(0), CI->getArgOperand(1), + Mask, false); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + if (IsX86 && (Name.startswith("avx512.mask.store"))) { + // "avx512.mask.storeu." or "avx512.mask.store." + bool Aligned = Name[17] != 'u'; // "avx512.mask.storeu". + UpgradeMaskedStore(Builder, CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2), Aligned); + + // Remove intrinsic. + CI->eraseFromParent(); + return; + } + + Value *Rep; + // Upgrade packed integer vector compare intrinsics to compare instructions. + if (IsX86 && (Name.startswith("sse2.pcmp") || + Name.startswith("avx2.pcmp"))) { + // "sse2.pcpmpeq." "sse2.pcmpgt." "avx2.pcmpeq." or "avx2.pcmpgt." + bool CmpEq = Name[9] == 'e'; + Rep = Builder.CreateICmp(CmpEq ? ICmpInst::ICMP_EQ : ICmpInst::ICMP_SGT, + CI->getArgOperand(0), CI->getArgOperand(1)); + Rep = Builder.CreateSExt(Rep, CI->getType(), ""); + } else if (IsX86 && (Name.startswith("avx512.broadcastm"))) { + Type *ExtTy = Type::getInt32Ty(C); + if (CI->getOperand(0)->getType()->isIntegerTy(8)) + ExtTy = Type::getInt64Ty(C); + unsigned NumElts = CI->getType()->getPrimitiveSizeInBits() / + ExtTy->getPrimitiveSizeInBits(); + Rep = Builder.CreateZExt(CI->getArgOperand(0), ExtTy); + Rep = Builder.CreateVectorSplat(NumElts, Rep); + } else if (IsX86 && (Name == "sse.sqrt.ss" || + Name == "sse2.sqrt.sd")) { + Value *Vec = CI->getArgOperand(0); + Value *Elt0 = Builder.CreateExtractElement(Vec, (uint64_t)0); + Function *Intr = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::sqrt, Elt0->getType()); + Elt0 = Builder.CreateCall(Intr, Elt0); + Rep = Builder.CreateInsertElement(Vec, Elt0, (uint64_t)0); + } else if (IsX86 && (Name.startswith("avx.sqrt.p") || + Name.startswith("sse2.sqrt.p") || + Name.startswith("sse.sqrt.p"))) { + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), + Intrinsic::sqrt, + CI->getType()), + {CI->getArgOperand(0)}); + } else if (IsX86 && (Name.startswith("avx512.mask.sqrt.p"))) { + if (CI->getNumArgOperands() == 4 && + (!isa<ConstantInt>(CI->getArgOperand(3)) || + cast<ConstantInt>(CI->getArgOperand(3))->getZExtValue() != 4)) { + Intrinsic::ID IID = Name[18] == 's' ? Intrinsic::x86_avx512_sqrt_ps_512 + : Intrinsic::x86_avx512_sqrt_pd_512; + + Value *Args[] = { CI->getArgOperand(0), CI->getArgOperand(3) }; + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), + IID), Args); + } else { + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), + Intrinsic::sqrt, + CI->getType()), + {CI->getArgOperand(0)}); + } + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.ptestm") || + Name.startswith("avx512.ptestnm"))) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + Value *Mask = CI->getArgOperand(2); + Rep = Builder.CreateAnd(Op0, Op1); + llvm::Type *Ty = Op0->getType(); + Value *Zero = llvm::Constant::getNullValue(Ty); + ICmpInst::Predicate Pred = + Name.startswith("avx512.ptestm") ? ICmpInst::ICMP_NE : ICmpInst::ICMP_EQ; + Rep = Builder.CreateICmp(Pred, Rep, Zero); + Rep = ApplyX86MaskOn1BitsVec(Builder, Rep, Mask); + } else if (IsX86 && (Name.startswith("avx512.mask.pbroadcast"))){ + unsigned NumElts = cast<FixedVectorType>(CI->getArgOperand(1)->getType()) + ->getNumElements(); + Rep = Builder.CreateVectorSplat(NumElts, CI->getArgOperand(0)); + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.kunpck"))) { + unsigned NumElts = CI->getType()->getScalarSizeInBits(); + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), NumElts); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), NumElts); + int Indices[64]; + for (unsigned i = 0; i != NumElts; ++i) + Indices[i] = i; + + // First extract half of each vector. This gives better codegen than + // doing it in a single shuffle. + LHS = Builder.CreateShuffleVector(LHS, LHS, + makeArrayRef(Indices, NumElts / 2)); + RHS = Builder.CreateShuffleVector(RHS, RHS, + makeArrayRef(Indices, NumElts / 2)); + // Concat the vectors. + // NOTE: Operands have to be swapped to match intrinsic definition. + Rep = Builder.CreateShuffleVector(RHS, LHS, + makeArrayRef(Indices, NumElts)); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.kand.w") { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + Rep = Builder.CreateAnd(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.kandn.w") { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + LHS = Builder.CreateNot(LHS); + Rep = Builder.CreateAnd(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.kor.w") { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + Rep = Builder.CreateOr(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.kxor.w") { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + Rep = Builder.CreateXor(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.kxnor.w") { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + LHS = Builder.CreateNot(LHS); + Rep = Builder.CreateXor(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && Name == "avx512.knot.w") { + Rep = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Rep = Builder.CreateNot(Rep); + Rep = Builder.CreateBitCast(Rep, CI->getType()); + } else if (IsX86 && + (Name == "avx512.kortestz.w" || Name == "avx512.kortestc.w")) { + Value *LHS = getX86MaskVec(Builder, CI->getArgOperand(0), 16); + Value *RHS = getX86MaskVec(Builder, CI->getArgOperand(1), 16); + Rep = Builder.CreateOr(LHS, RHS); + Rep = Builder.CreateBitCast(Rep, Builder.getInt16Ty()); + Value *C; + if (Name[14] == 'c') + C = ConstantInt::getAllOnesValue(Builder.getInt16Ty()); + else + C = ConstantInt::getNullValue(Builder.getInt16Ty()); + Rep = Builder.CreateICmpEQ(Rep, C); + Rep = Builder.CreateZExt(Rep, Builder.getInt32Ty()); + } else if (IsX86 && (Name == "sse.add.ss" || Name == "sse2.add.sd" || + Name == "sse.sub.ss" || Name == "sse2.sub.sd" || + Name == "sse.mul.ss" || Name == "sse2.mul.sd" || + Name == "sse.div.ss" || Name == "sse2.div.sd")) { + Type *I32Ty = Type::getInt32Ty(C); + Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0), + ConstantInt::get(I32Ty, 0)); + Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1), + ConstantInt::get(I32Ty, 0)); + Value *EltOp; + if (Name.contains(".add.")) + EltOp = Builder.CreateFAdd(Elt0, Elt1); + else if (Name.contains(".sub.")) + EltOp = Builder.CreateFSub(Elt0, Elt1); + else if (Name.contains(".mul.")) + EltOp = Builder.CreateFMul(Elt0, Elt1); + else + EltOp = Builder.CreateFDiv(Elt0, Elt1); + Rep = Builder.CreateInsertElement(CI->getArgOperand(0), EltOp, + ConstantInt::get(I32Ty, 0)); + } else if (IsX86 && Name.startswith("avx512.mask.pcmp")) { + // "avx512.mask.pcmpeq." or "avx512.mask.pcmpgt." + bool CmpEq = Name[16] == 'e'; + Rep = upgradeMaskedCompare(Builder, *CI, CmpEq ? 0 : 6, true); + } else if (IsX86 && Name.startswith("avx512.mask.vpshufbitqmb.")) { + Type *OpTy = CI->getArgOperand(0)->getType(); + unsigned VecWidth = OpTy->getPrimitiveSizeInBits(); + Intrinsic::ID IID; + switch (VecWidth) { + default: llvm_unreachable("Unexpected intrinsic"); + case 128: IID = Intrinsic::x86_avx512_vpshufbitqmb_128; break; + case 256: IID = Intrinsic::x86_avx512_vpshufbitqmb_256; break; + case 512: IID = Intrinsic::x86_avx512_vpshufbitqmb_512; break; + } + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getOperand(0), CI->getArgOperand(1) }); + Rep = ApplyX86MaskOn1BitsVec(Builder, Rep, CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.fpclass.p")) { + Type *OpTy = CI->getArgOperand(0)->getType(); + unsigned VecWidth = OpTy->getPrimitiveSizeInBits(); + unsigned EltWidth = OpTy->getScalarSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_avx512_fpclass_ps_128; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx512_fpclass_ps_256; + else if (VecWidth == 512 && EltWidth == 32) + IID = Intrinsic::x86_avx512_fpclass_ps_512; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_avx512_fpclass_pd_128; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx512_fpclass_pd_256; + else if (VecWidth == 512 && EltWidth == 64) + IID = Intrinsic::x86_avx512_fpclass_pd_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getOperand(0), CI->getArgOperand(1) }); + Rep = ApplyX86MaskOn1BitsVec(Builder, Rep, CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.cmp.p")) { + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + Type *OpTy = Args[0]->getType(); + unsigned VecWidth = OpTy->getPrimitiveSizeInBits(); + unsigned EltWidth = OpTy->getScalarSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_avx512_mask_cmp_ps_128; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx512_mask_cmp_ps_256; + else if (VecWidth == 512 && EltWidth == 32) + IID = Intrinsic::x86_avx512_mask_cmp_ps_512; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_avx512_mask_cmp_pd_128; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx512_mask_cmp_pd_256; + else if (VecWidth == 512 && EltWidth == 64) + IID = Intrinsic::x86_avx512_mask_cmp_pd_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Mask = Constant::getAllOnesValue(CI->getType()); + if (VecWidth == 512) + std::swap(Mask, Args.back()); + Args.push_back(Mask); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + Args); + } else if (IsX86 && Name.startswith("avx512.mask.cmp.")) { + // Integer compare intrinsics. + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + Rep = upgradeMaskedCompare(Builder, *CI, Imm, true); + } else if (IsX86 && Name.startswith("avx512.mask.ucmp.")) { + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + Rep = upgradeMaskedCompare(Builder, *CI, Imm, false); + } else if (IsX86 && (Name.startswith("avx512.cvtb2mask.") || + Name.startswith("avx512.cvtw2mask.") || + Name.startswith("avx512.cvtd2mask.") || + Name.startswith("avx512.cvtq2mask."))) { + Value *Op = CI->getArgOperand(0); + Value *Zero = llvm::Constant::getNullValue(Op->getType()); + Rep = Builder.CreateICmp(ICmpInst::ICMP_SLT, Op, Zero); + Rep = ApplyX86MaskOn1BitsVec(Builder, Rep, nullptr); + } else if(IsX86 && (Name == "ssse3.pabs.b.128" || + Name == "ssse3.pabs.w.128" || + Name == "ssse3.pabs.d.128" || + Name.startswith("avx2.pabs") || + Name.startswith("avx512.mask.pabs"))) { + Rep = upgradeAbs(Builder, *CI); + } else if (IsX86 && (Name == "sse41.pmaxsb" || + Name == "sse2.pmaxs.w" || + Name == "sse41.pmaxsd" || + Name.startswith("avx2.pmaxs") || + Name.startswith("avx512.mask.pmaxs"))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::smax); + } else if (IsX86 && (Name == "sse2.pmaxu.b" || + Name == "sse41.pmaxuw" || + Name == "sse41.pmaxud" || + Name.startswith("avx2.pmaxu") || + Name.startswith("avx512.mask.pmaxu"))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::umax); + } else if (IsX86 && (Name == "sse41.pminsb" || + Name == "sse2.pmins.w" || + Name == "sse41.pminsd" || + Name.startswith("avx2.pmins") || + Name.startswith("avx512.mask.pmins"))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::smin); + } else if (IsX86 && (Name == "sse2.pminu.b" || + Name == "sse41.pminuw" || + Name == "sse41.pminud" || + Name.startswith("avx2.pminu") || + Name.startswith("avx512.mask.pminu"))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::umin); + } else if (IsX86 && (Name == "sse2.pmulu.dq" || + Name == "avx2.pmulu.dq" || + Name == "avx512.pmulu.dq.512" || + Name.startswith("avx512.mask.pmulu.dq."))) { + Rep = upgradePMULDQ(Builder, *CI, /*Signed*/false); + } else if (IsX86 && (Name == "sse41.pmuldq" || + Name == "avx2.pmul.dq" || + Name == "avx512.pmul.dq.512" || + Name.startswith("avx512.mask.pmul.dq."))) { + Rep = upgradePMULDQ(Builder, *CI, /*Signed*/true); + } else if (IsX86 && (Name == "sse.cvtsi2ss" || + Name == "sse2.cvtsi2sd" || + Name == "sse.cvtsi642ss" || + Name == "sse2.cvtsi642sd")) { + Rep = Builder.CreateSIToFP( + CI->getArgOperand(1), + cast<VectorType>(CI->getType())->getElementType()); + Rep = Builder.CreateInsertElement(CI->getArgOperand(0), Rep, (uint64_t)0); + } else if (IsX86 && Name == "avx512.cvtusi2sd") { + Rep = Builder.CreateUIToFP( + CI->getArgOperand(1), + cast<VectorType>(CI->getType())->getElementType()); + Rep = Builder.CreateInsertElement(CI->getArgOperand(0), Rep, (uint64_t)0); + } else if (IsX86 && Name == "sse2.cvtss2sd") { + Rep = Builder.CreateExtractElement(CI->getArgOperand(1), (uint64_t)0); + Rep = Builder.CreateFPExt( + Rep, cast<VectorType>(CI->getType())->getElementType()); + Rep = Builder.CreateInsertElement(CI->getArgOperand(0), Rep, (uint64_t)0); + } else if (IsX86 && (Name == "sse2.cvtdq2pd" || + Name == "sse2.cvtdq2ps" || + Name == "avx.cvtdq2.pd.256" || + Name == "avx.cvtdq2.ps.256" || + Name.startswith("avx512.mask.cvtdq2pd.") || + Name.startswith("avx512.mask.cvtudq2pd.") || + Name.startswith("avx512.mask.cvtdq2ps.") || + Name.startswith("avx512.mask.cvtudq2ps.") || + Name.startswith("avx512.mask.cvtqq2pd.") || + Name.startswith("avx512.mask.cvtuqq2pd.") || + Name == "avx512.mask.cvtqq2ps.256" || + Name == "avx512.mask.cvtqq2ps.512" || + Name == "avx512.mask.cvtuqq2ps.256" || + Name == "avx512.mask.cvtuqq2ps.512" || + Name == "sse2.cvtps2pd" || + Name == "avx.cvt.ps2.pd.256" || + Name == "avx512.mask.cvtps2pd.128" || + Name == "avx512.mask.cvtps2pd.256")) { + auto *DstTy = cast<FixedVectorType>(CI->getType()); + Rep = CI->getArgOperand(0); + auto *SrcTy = cast<FixedVectorType>(Rep->getType()); + + unsigned NumDstElts = DstTy->getNumElements(); + if (NumDstElts < SrcTy->getNumElements()) { + assert(NumDstElts == 2 && "Unexpected vector size"); + Rep = Builder.CreateShuffleVector(Rep, Rep, ArrayRef<int>{0, 1}); + } + + bool IsPS2PD = SrcTy->getElementType()->isFloatTy(); + bool IsUnsigned = (StringRef::npos != Name.find("cvtu")); + if (IsPS2PD) + Rep = Builder.CreateFPExt(Rep, DstTy, "cvtps2pd"); + else if (CI->getNumArgOperands() == 4 && + (!isa<ConstantInt>(CI->getArgOperand(3)) || + cast<ConstantInt>(CI->getArgOperand(3))->getZExtValue() != 4)) { + Intrinsic::ID IID = IsUnsigned ? Intrinsic::x86_avx512_uitofp_round + : Intrinsic::x86_avx512_sitofp_round; + Function *F = Intrinsic::getDeclaration(CI->getModule(), IID, + { DstTy, SrcTy }); + Rep = Builder.CreateCall(F, { Rep, CI->getArgOperand(3) }); + } else { + Rep = IsUnsigned ? Builder.CreateUIToFP(Rep, DstTy, "cvt") + : Builder.CreateSIToFP(Rep, DstTy, "cvt"); + } + + if (CI->getNumArgOperands() >= 3) + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.mask.vcvtph2ps.") || + Name.startswith("vcvtph2ps."))) { + auto *DstTy = cast<FixedVectorType>(CI->getType()); + Rep = CI->getArgOperand(0); + auto *SrcTy = cast<FixedVectorType>(Rep->getType()); + unsigned NumDstElts = DstTy->getNumElements(); + if (NumDstElts != SrcTy->getNumElements()) { + assert(NumDstElts == 4 && "Unexpected vector size"); + Rep = Builder.CreateShuffleVector(Rep, Rep, ArrayRef<int>{0, 1, 2, 3}); + } + Rep = Builder.CreateBitCast( + Rep, FixedVectorType::get(Type::getHalfTy(C), NumDstElts)); + Rep = Builder.CreateFPExt(Rep, DstTy, "cvtph2ps"); + if (CI->getNumArgOperands() >= 3) + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.mask.loadu."))) { + Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0), + CI->getArgOperand(1), CI->getArgOperand(2), + /*Aligned*/false); + } else if (IsX86 && (Name.startswith("avx512.mask.load."))) { + Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0), + CI->getArgOperand(1),CI->getArgOperand(2), + /*Aligned*/true); + } else if (IsX86 && Name.startswith("avx512.mask.expand.load.")) { + auto *ResultTy = cast<FixedVectorType>(CI->getType()); + Type *PtrTy = ResultTy->getElementType(); + + // Cast the pointer to element type. + Value *Ptr = Builder.CreateBitCast(CI->getOperand(0), + llvm::PointerType::getUnqual(PtrTy)); + + Value *MaskVec = getX86MaskVec(Builder, CI->getArgOperand(2), + ResultTy->getNumElements()); + + Function *ELd = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_expandload, + ResultTy); + Rep = Builder.CreateCall(ELd, { Ptr, MaskVec, CI->getOperand(1) }); + } else if (IsX86 && Name.startswith("avx512.mask.compress.store.")) { + auto *ResultTy = cast<VectorType>(CI->getArgOperand(1)->getType()); + Type *PtrTy = ResultTy->getElementType(); + + // Cast the pointer to element type. + Value *Ptr = Builder.CreateBitCast(CI->getOperand(0), + llvm::PointerType::getUnqual(PtrTy)); + + Value *MaskVec = + getX86MaskVec(Builder, CI->getArgOperand(2), + cast<FixedVectorType>(ResultTy)->getNumElements()); + + Function *CSt = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::masked_compressstore, + ResultTy); + Rep = Builder.CreateCall(CSt, { CI->getArgOperand(1), Ptr, MaskVec }); + } else if (IsX86 && (Name.startswith("avx512.mask.compress.") || + Name.startswith("avx512.mask.expand."))) { + auto *ResultTy = cast<FixedVectorType>(CI->getType()); + + Value *MaskVec = getX86MaskVec(Builder, CI->getArgOperand(2), + ResultTy->getNumElements()); + + bool IsCompress = Name[12] == 'c'; + Intrinsic::ID IID = IsCompress ? Intrinsic::x86_avx512_mask_compress + : Intrinsic::x86_avx512_mask_expand; + Function *Intr = Intrinsic::getDeclaration(F->getParent(), IID, ResultTy); + Rep = Builder.CreateCall(Intr, { CI->getOperand(0), CI->getOperand(1), + MaskVec }); + } else if (IsX86 && Name.startswith("xop.vpcom")) { + bool IsSigned; + if (Name.endswith("ub") || Name.endswith("uw") || Name.endswith("ud") || + Name.endswith("uq")) + IsSigned = false; + else if (Name.endswith("b") || Name.endswith("w") || Name.endswith("d") || + Name.endswith("q")) + IsSigned = true; + else + llvm_unreachable("Unknown suffix"); + + unsigned Imm; + if (CI->getNumArgOperands() == 3) { + Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + } else { + Name = Name.substr(9); // strip off "xop.vpcom" + if (Name.startswith("lt")) + Imm = 0; + else if (Name.startswith("le")) + Imm = 1; + else if (Name.startswith("gt")) + Imm = 2; + else if (Name.startswith("ge")) + Imm = 3; + else if (Name.startswith("eq")) + Imm = 4; + else if (Name.startswith("ne")) + Imm = 5; + else if (Name.startswith("false")) + Imm = 6; + else if (Name.startswith("true")) + Imm = 7; + else + llvm_unreachable("Unknown condition"); + } + + Rep = upgradeX86vpcom(Builder, *CI, Imm, IsSigned); + } else if (IsX86 && Name.startswith("xop.vpcmov")) { + Value *Sel = CI->getArgOperand(2); + Value *NotSel = Builder.CreateNot(Sel); + Value *Sel0 = Builder.CreateAnd(CI->getArgOperand(0), Sel); + Value *Sel1 = Builder.CreateAnd(CI->getArgOperand(1), NotSel); + Rep = Builder.CreateOr(Sel0, Sel1); + } else if (IsX86 && (Name.startswith("xop.vprot") || + Name.startswith("avx512.prol") || + Name.startswith("avx512.mask.prol"))) { + Rep = upgradeX86Rotate(Builder, *CI, false); + } else if (IsX86 && (Name.startswith("avx512.pror") || + Name.startswith("avx512.mask.pror"))) { + Rep = upgradeX86Rotate(Builder, *CI, true); + } else if (IsX86 && (Name.startswith("avx512.vpshld.") || + Name.startswith("avx512.mask.vpshld") || + Name.startswith("avx512.maskz.vpshld"))) { + bool ZeroMask = Name[11] == 'z'; + Rep = upgradeX86ConcatShift(Builder, *CI, false, ZeroMask); + } else if (IsX86 && (Name.startswith("avx512.vpshrd.") || + Name.startswith("avx512.mask.vpshrd") || + Name.startswith("avx512.maskz.vpshrd"))) { + bool ZeroMask = Name[11] == 'z'; + Rep = upgradeX86ConcatShift(Builder, *CI, true, ZeroMask); + } else if (IsX86 && Name == "sse42.crc32.64.8") { + Function *CRC32 = Intrinsic::getDeclaration(F->getParent(), + Intrinsic::x86_sse42_crc32_32_8); + Value *Trunc0 = Builder.CreateTrunc(CI->getArgOperand(0), Type::getInt32Ty(C)); + Rep = Builder.CreateCall(CRC32, {Trunc0, CI->getArgOperand(1)}); + Rep = Builder.CreateZExt(Rep, CI->getType(), ""); + } else if (IsX86 && (Name.startswith("avx.vbroadcast.s") || + Name.startswith("avx512.vbroadcast.s"))) { + // Replace broadcasts with a series of insertelements. + auto *VecTy = cast<FixedVectorType>(CI->getType()); + Type *EltTy = VecTy->getElementType(); + unsigned EltNum = VecTy->getNumElements(); + Value *Cast = Builder.CreateBitCast(CI->getArgOperand(0), + EltTy->getPointerTo()); + Value *Load = Builder.CreateLoad(EltTy, Cast); + Type *I32Ty = Type::getInt32Ty(C); + Rep = UndefValue::get(VecTy); + for (unsigned I = 0; I < EltNum; ++I) + Rep = Builder.CreateInsertElement(Rep, Load, + ConstantInt::get(I32Ty, I)); + } else if (IsX86 && (Name.startswith("sse41.pmovsx") || + Name.startswith("sse41.pmovzx") || + Name.startswith("avx2.pmovsx") || + Name.startswith("avx2.pmovzx") || + Name.startswith("avx512.mask.pmovsx") || + Name.startswith("avx512.mask.pmovzx"))) { + auto *DstTy = cast<FixedVectorType>(CI->getType()); + unsigned NumDstElts = DstTy->getNumElements(); + + // Extract a subvector of the first NumDstElts lanes and sign/zero extend. + SmallVector<int, 8> ShuffleMask(NumDstElts); + for (unsigned i = 0; i != NumDstElts; ++i) + ShuffleMask[i] = i; + + Value *SV = + Builder.CreateShuffleVector(CI->getArgOperand(0), ShuffleMask); + + bool DoSext = (StringRef::npos != Name.find("pmovsx")); + Rep = DoSext ? Builder.CreateSExt(SV, DstTy) + : Builder.CreateZExt(SV, DstTy); + // If there are 3 arguments, it's a masked intrinsic so we need a select. + if (CI->getNumArgOperands() == 3) + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (Name == "avx512.mask.pmov.qd.256" || + Name == "avx512.mask.pmov.qd.512" || + Name == "avx512.mask.pmov.wb.256" || + Name == "avx512.mask.pmov.wb.512") { + Type *Ty = CI->getArgOperand(1)->getType(); + Rep = Builder.CreateTrunc(CI->getArgOperand(0), Ty); + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx.vbroadcastf128") || + Name == "avx2.vbroadcasti128")) { + // Replace vbroadcastf128/vbroadcasti128 with a vector load+shuffle. + Type *EltTy = cast<VectorType>(CI->getType())->getElementType(); + unsigned NumSrcElts = 128 / EltTy->getPrimitiveSizeInBits(); + auto *VT = FixedVectorType::get(EltTy, NumSrcElts); + Value *Op = Builder.CreatePointerCast(CI->getArgOperand(0), + PointerType::getUnqual(VT)); + Value *Load = Builder.CreateAlignedLoad(VT, Op, Align(1)); + if (NumSrcElts == 2) + Rep = Builder.CreateShuffleVector(Load, ArrayRef<int>{0, 1, 0, 1}); + else + Rep = Builder.CreateShuffleVector( + Load, ArrayRef<int>{0, 1, 2, 3, 0, 1, 2, 3}); + } else if (IsX86 && (Name.startswith("avx512.mask.shuf.i") || + Name.startswith("avx512.mask.shuf.f"))) { + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + Type *VT = CI->getType(); + unsigned NumLanes = VT->getPrimitiveSizeInBits() / 128; + unsigned NumElementsInLane = 128 / VT->getScalarSizeInBits(); + unsigned ControlBitsMask = NumLanes - 1; + unsigned NumControlBits = NumLanes / 2; + SmallVector<int, 8> ShuffleMask(0); + + for (unsigned l = 0; l != NumLanes; ++l) { + unsigned LaneMask = (Imm >> (l * NumControlBits)) & ControlBitsMask; + // We actually need the other source. + if (l >= NumLanes / 2) + LaneMask += NumLanes; + for (unsigned i = 0; i != NumElementsInLane; ++i) + ShuffleMask.push_back(LaneMask * NumElementsInLane + i); + } + Rep = Builder.CreateShuffleVector(CI->getArgOperand(0), + CI->getArgOperand(1), ShuffleMask); + Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep, + CI->getArgOperand(3)); + }else if (IsX86 && (Name.startswith("avx512.mask.broadcastf") || + Name.startswith("avx512.mask.broadcasti"))) { + unsigned NumSrcElts = + cast<FixedVectorType>(CI->getArgOperand(0)->getType()) + ->getNumElements(); + unsigned NumDstElts = + cast<FixedVectorType>(CI->getType())->getNumElements(); + + SmallVector<int, 8> ShuffleMask(NumDstElts); + for (unsigned i = 0; i != NumDstElts; ++i) + ShuffleMask[i] = i % NumSrcElts; + + Rep = Builder.CreateShuffleVector(CI->getArgOperand(0), + CI->getArgOperand(0), + ShuffleMask); + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx2.pbroadcast") || + Name.startswith("avx2.vbroadcast") || + Name.startswith("avx512.pbroadcast") || + Name.startswith("avx512.mask.broadcast.s"))) { + // Replace vp?broadcasts with a vector shuffle. + Value *Op = CI->getArgOperand(0); + ElementCount EC = cast<VectorType>(CI->getType())->getElementCount(); + Type *MaskTy = VectorType::get(Type::getInt32Ty(C), EC); + SmallVector<int, 8> M; + ShuffleVectorInst::getShuffleMask(Constant::getNullValue(MaskTy), M); + Rep = Builder.CreateShuffleVector(Op, M); + + if (CI->getNumArgOperands() == 3) + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("sse2.padds.") || + Name.startswith("avx2.padds.") || + Name.startswith("avx512.padds.") || + Name.startswith("avx512.mask.padds."))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::sadd_sat); + } else if (IsX86 && (Name.startswith("sse2.psubs.") || + Name.startswith("avx2.psubs.") || + Name.startswith("avx512.psubs.") || + Name.startswith("avx512.mask.psubs."))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::ssub_sat); + } else if (IsX86 && (Name.startswith("sse2.paddus.") || + Name.startswith("avx2.paddus.") || + Name.startswith("avx512.mask.paddus."))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::uadd_sat); + } else if (IsX86 && (Name.startswith("sse2.psubus.") || + Name.startswith("avx2.psubus.") || + Name.startswith("avx512.mask.psubus."))) { + Rep = UpgradeX86BinaryIntrinsics(Builder, *CI, Intrinsic::usub_sat); + } else if (IsX86 && Name.startswith("avx512.mask.palignr.")) { + Rep = UpgradeX86ALIGNIntrinsics(Builder, CI->getArgOperand(0), + CI->getArgOperand(1), + CI->getArgOperand(2), + CI->getArgOperand(3), + CI->getArgOperand(4), + false); + } else if (IsX86 && Name.startswith("avx512.mask.valign.")) { + Rep = UpgradeX86ALIGNIntrinsics(Builder, CI->getArgOperand(0), + CI->getArgOperand(1), + CI->getArgOperand(2), + CI->getArgOperand(3), + CI->getArgOperand(4), + true); + } else if (IsX86 && (Name == "sse2.psll.dq" || + Name == "avx2.psll.dq")) { + // 128/256-bit shift left specified in bits. + unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0), + Shift / 8); // Shift is in bits. + } else if (IsX86 && (Name == "sse2.psrl.dq" || + Name == "avx2.psrl.dq")) { + // 128/256-bit shift right specified in bits. + unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0), + Shift / 8); // Shift is in bits. + } else if (IsX86 && (Name == "sse2.psll.dq.bs" || + Name == "avx2.psll.dq.bs" || + Name == "avx512.psll.dq.512")) { + // 128/256/512-bit shift left specified in bytes. + unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0), Shift); + } else if (IsX86 && (Name == "sse2.psrl.dq.bs" || + Name == "avx2.psrl.dq.bs" || + Name == "avx512.psrl.dq.512")) { + // 128/256/512-bit shift right specified in bytes. + unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0), Shift); + } else if (IsX86 && (Name == "sse41.pblendw" || + Name.startswith("sse41.blendp") || + Name.startswith("avx.blend.p") || + Name == "avx2.pblendw" || + Name.startswith("avx2.pblendd."))) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + unsigned Imm = cast <ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + auto *VecTy = cast<FixedVectorType>(CI->getType()); + unsigned NumElts = VecTy->getNumElements(); + + SmallVector<int, 16> Idxs(NumElts); + for (unsigned i = 0; i != NumElts; ++i) + Idxs[i] = ((Imm >> (i%8)) & 1) ? i + NumElts : i; + + Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs); + } else if (IsX86 && (Name.startswith("avx.vinsertf128.") || + Name == "avx2.vinserti128" || + Name.startswith("avx512.mask.insert"))) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + unsigned DstNumElts = + cast<FixedVectorType>(CI->getType())->getNumElements(); + unsigned SrcNumElts = + cast<FixedVectorType>(Op1->getType())->getNumElements(); + unsigned Scale = DstNumElts / SrcNumElts; + + // Mask off the high bits of the immediate value; hardware ignores those. + Imm = Imm % Scale; + + // Extend the second operand into a vector the size of the destination. + SmallVector<int, 8> Idxs(DstNumElts); + for (unsigned i = 0; i != SrcNumElts; ++i) + Idxs[i] = i; + for (unsigned i = SrcNumElts; i != DstNumElts; ++i) + Idxs[i] = SrcNumElts; + Rep = Builder.CreateShuffleVector(Op1, Idxs); + + // Insert the second operand into the first operand. + + // Note that there is no guarantee that instruction lowering will actually + // produce a vinsertf128 instruction for the created shuffles. In + // particular, the 0 immediate case involves no lane changes, so it can + // be handled as a blend. + + // Example of shuffle mask for 32-bit elements: + // Imm = 1 <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11> + // Imm = 0 <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7 > + + // First fill with identify mask. + for (unsigned i = 0; i != DstNumElts; ++i) + Idxs[i] = i; + // Then replace the elements where we need to insert. + for (unsigned i = 0; i != SrcNumElts; ++i) + Idxs[i + Imm * SrcNumElts] = i + DstNumElts; + Rep = Builder.CreateShuffleVector(Op0, Rep, Idxs); + + // If the intrinsic has a mask operand, handle that. + if (CI->getNumArgOperands() == 5) + Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep, + CI->getArgOperand(3)); + } else if (IsX86 && (Name.startswith("avx.vextractf128.") || + Name == "avx2.vextracti128" || + Name.startswith("avx512.mask.vextract"))) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + unsigned DstNumElts = + cast<FixedVectorType>(CI->getType())->getNumElements(); + unsigned SrcNumElts = + cast<FixedVectorType>(Op0->getType())->getNumElements(); + unsigned Scale = SrcNumElts / DstNumElts; + + // Mask off the high bits of the immediate value; hardware ignores those. + Imm = Imm % Scale; + + // Get indexes for the subvector of the input vector. + SmallVector<int, 8> Idxs(DstNumElts); + for (unsigned i = 0; i != DstNumElts; ++i) { + Idxs[i] = i + (Imm * DstNumElts); + } + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + // If the intrinsic has a mask operand, handle that. + if (CI->getNumArgOperands() == 4) + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (!IsX86 && Name == "stackprotectorcheck") { + Rep = nullptr; + } else if (IsX86 && (Name.startswith("avx512.mask.perm.df.") || + Name.startswith("avx512.mask.perm.di."))) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + auto *VecTy = cast<FixedVectorType>(CI->getType()); + unsigned NumElts = VecTy->getNumElements(); + + SmallVector<int, 8> Idxs(NumElts); + for (unsigned i = 0; i != NumElts; ++i) + Idxs[i] = (i & ~0x3) + ((Imm >> (2 * (i & 0x3))) & 3); + + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + if (CI->getNumArgOperands() == 4) + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx.vperm2f128.") || + Name == "avx2.vperm2i128")) { + // The immediate permute control byte looks like this: + // [1:0] - select 128 bits from sources for low half of destination + // [2] - ignore + // [3] - zero low half of destination + // [5:4] - select 128 bits from sources for high half of destination + // [6] - ignore + // [7] - zero high half of destination + + uint8_t Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + + unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + unsigned HalfSize = NumElts / 2; + SmallVector<int, 8> ShuffleMask(NumElts); + + // Determine which operand(s) are actually in use for this instruction. + Value *V0 = (Imm & 0x02) ? CI->getArgOperand(1) : CI->getArgOperand(0); + Value *V1 = (Imm & 0x20) ? CI->getArgOperand(1) : CI->getArgOperand(0); + + // If needed, replace operands based on zero mask. + V0 = (Imm & 0x08) ? ConstantAggregateZero::get(CI->getType()) : V0; + V1 = (Imm & 0x80) ? ConstantAggregateZero::get(CI->getType()) : V1; + + // Permute low half of result. + unsigned StartIndex = (Imm & 0x01) ? HalfSize : 0; + for (unsigned i = 0; i < HalfSize; ++i) + ShuffleMask[i] = StartIndex + i; + + // Permute high half of result. + StartIndex = (Imm & 0x10) ? HalfSize : 0; + for (unsigned i = 0; i < HalfSize; ++i) + ShuffleMask[i + HalfSize] = NumElts + StartIndex + i; + + Rep = Builder.CreateShuffleVector(V0, V1, ShuffleMask); + + } else if (IsX86 && (Name.startswith("avx.vpermil.") || + Name == "sse2.pshuf.d" || + Name.startswith("avx512.mask.vpermil.p") || + Name.startswith("avx512.mask.pshuf.d."))) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + auto *VecTy = cast<FixedVectorType>(CI->getType()); + unsigned NumElts = VecTy->getNumElements(); + // Calculate the size of each index in the immediate. + unsigned IdxSize = 64 / VecTy->getScalarSizeInBits(); + unsigned IdxMask = ((1 << IdxSize) - 1); + + SmallVector<int, 8> Idxs(NumElts); + // Lookup the bits for this element, wrapping around the immediate every + // 8-bits. Elements are grouped into sets of 2 or 4 elements so we need + // to offset by the first index of each group. + for (unsigned i = 0; i != NumElts; ++i) + Idxs[i] = ((Imm >> ((i * IdxSize) % 8)) & IdxMask) | (i & ~IdxMask); + + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + if (CI->getNumArgOperands() == 4) + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name == "sse2.pshufl.w" || + Name.startswith("avx512.mask.pshufl.w."))) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + + SmallVector<int, 16> Idxs(NumElts); + for (unsigned l = 0; l != NumElts; l += 8) { + for (unsigned i = 0; i != 4; ++i) + Idxs[i + l] = ((Imm >> (2 * i)) & 0x3) + l; + for (unsigned i = 4; i != 8; ++i) + Idxs[i + l] = i + l; + } + + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + if (CI->getNumArgOperands() == 4) + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name == "sse2.pshufh.w" || + Name.startswith("avx512.mask.pshufh.w."))) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + + SmallVector<int, 16> Idxs(NumElts); + for (unsigned l = 0; l != NumElts; l += 8) { + for (unsigned i = 0; i != 4; ++i) + Idxs[i + l] = i + l; + for (unsigned i = 0; i != 4; ++i) + Idxs[i + l + 4] = ((Imm >> (2 * i)) & 0x3) + 4 + l; + } + + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + if (CI->getNumArgOperands() == 4) + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.shuf.p")) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue(); + unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + + unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits(); + unsigned HalfLaneElts = NumLaneElts / 2; + + SmallVector<int, 16> Idxs(NumElts); + for (unsigned i = 0; i != NumElts; ++i) { + // Base index is the starting element of the lane. + Idxs[i] = i - (i % NumLaneElts); + // If we are half way through the lane switch to the other source. + if ((i % NumLaneElts) >= HalfLaneElts) + Idxs[i] += NumElts; + // Now select the specific element. By adding HalfLaneElts bits from + // the immediate. Wrapping around the immediate every 8-bits. + Idxs[i] += (Imm >> ((i * HalfLaneElts) % 8)) & ((1 << HalfLaneElts) - 1); + } + + Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs); + + Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep, + CI->getArgOperand(3)); + } else if (IsX86 && (Name.startswith("avx512.mask.movddup") || + Name.startswith("avx512.mask.movshdup") || + Name.startswith("avx512.mask.movsldup"))) { + Value *Op0 = CI->getArgOperand(0); + unsigned NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits(); + + unsigned Offset = 0; + if (Name.startswith("avx512.mask.movshdup.")) + Offset = 1; + + SmallVector<int, 16> Idxs(NumElts); + for (unsigned l = 0; l != NumElts; l += NumLaneElts) + for (unsigned i = 0; i != NumLaneElts; i += 2) { + Idxs[i + l + 0] = i + l + Offset; + Idxs[i + l + 1] = i + l + Offset; + } + + Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs); + + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.mask.punpckl") || + Name.startswith("avx512.mask.unpckl."))) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + int NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + int NumLaneElts = 128/CI->getType()->getScalarSizeInBits(); + + SmallVector<int, 64> Idxs(NumElts); + for (int l = 0; l != NumElts; l += NumLaneElts) + for (int i = 0; i != NumLaneElts; ++i) + Idxs[i + l] = l + (i / 2) + NumElts * (i % 2); + + Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs); + + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.punpckh") || + Name.startswith("avx512.mask.unpckh."))) { + Value *Op0 = CI->getArgOperand(0); + Value *Op1 = CI->getArgOperand(1); + int NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + int NumLaneElts = 128/CI->getType()->getScalarSizeInBits(); + + SmallVector<int, 64> Idxs(NumElts); + for (int l = 0; l != NumElts; l += NumLaneElts) + for (int i = 0; i != NumLaneElts; ++i) + Idxs[i + l] = (NumLaneElts / 2) + l + (i / 2) + NumElts * (i % 2); + + Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs); + + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.and.") || + Name.startswith("avx512.mask.pand."))) { + VectorType *FTy = cast<VectorType>(CI->getType()); + VectorType *ITy = VectorType::getInteger(FTy); + Rep = Builder.CreateAnd(Builder.CreateBitCast(CI->getArgOperand(0), ITy), + Builder.CreateBitCast(CI->getArgOperand(1), ITy)); + Rep = Builder.CreateBitCast(Rep, FTy); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.andn.") || + Name.startswith("avx512.mask.pandn."))) { + VectorType *FTy = cast<VectorType>(CI->getType()); + VectorType *ITy = VectorType::getInteger(FTy); + Rep = Builder.CreateNot(Builder.CreateBitCast(CI->getArgOperand(0), ITy)); + Rep = Builder.CreateAnd(Rep, + Builder.CreateBitCast(CI->getArgOperand(1), ITy)); + Rep = Builder.CreateBitCast(Rep, FTy); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.or.") || + Name.startswith("avx512.mask.por."))) { + VectorType *FTy = cast<VectorType>(CI->getType()); + VectorType *ITy = VectorType::getInteger(FTy); + Rep = Builder.CreateOr(Builder.CreateBitCast(CI->getArgOperand(0), ITy), + Builder.CreateBitCast(CI->getArgOperand(1), ITy)); + Rep = Builder.CreateBitCast(Rep, FTy); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.xor.") || + Name.startswith("avx512.mask.pxor."))) { + VectorType *FTy = cast<VectorType>(CI->getType()); + VectorType *ITy = VectorType::getInteger(FTy); + Rep = Builder.CreateXor(Builder.CreateBitCast(CI->getArgOperand(0), ITy), + Builder.CreateBitCast(CI->getArgOperand(1), ITy)); + Rep = Builder.CreateBitCast(Rep, FTy); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.padd.")) { + Rep = Builder.CreateAdd(CI->getArgOperand(0), CI->getArgOperand(1)); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.psub.")) { + Rep = Builder.CreateSub(CI->getArgOperand(0), CI->getArgOperand(1)); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.pmull.")) { + Rep = Builder.CreateMul(CI->getArgOperand(0), CI->getArgOperand(1)); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.add.p")) { + if (Name.endswith(".512")) { + Intrinsic::ID IID; + if (Name[17] == 's') + IID = Intrinsic::x86_avx512_add_ps_512; + else + IID = Intrinsic::x86_avx512_add_pd_512; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(4) }); + } else { + Rep = Builder.CreateFAdd(CI->getArgOperand(0), CI->getArgOperand(1)); + } + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.div.p")) { + if (Name.endswith(".512")) { + Intrinsic::ID IID; + if (Name[17] == 's') + IID = Intrinsic::x86_avx512_div_ps_512; + else + IID = Intrinsic::x86_avx512_div_pd_512; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(4) }); + } else { + Rep = Builder.CreateFDiv(CI->getArgOperand(0), CI->getArgOperand(1)); + } + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.mul.p")) { + if (Name.endswith(".512")) { + Intrinsic::ID IID; + if (Name[17] == 's') + IID = Intrinsic::x86_avx512_mul_ps_512; + else + IID = Intrinsic::x86_avx512_mul_pd_512; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(4) }); + } else { + Rep = Builder.CreateFMul(CI->getArgOperand(0), CI->getArgOperand(1)); + } + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.sub.p")) { + if (Name.endswith(".512")) { + Intrinsic::ID IID; + if (Name[17] == 's') + IID = Intrinsic::x86_avx512_sub_ps_512; + else + IID = Intrinsic::x86_avx512_sub_pd_512; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(4) }); + } else { + Rep = Builder.CreateFSub(CI->getArgOperand(0), CI->getArgOperand(1)); + } + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.max.p") || + Name.startswith("avx512.mask.min.p")) && + Name.drop_front(18) == ".512") { + bool IsDouble = Name[17] == 'd'; + bool IsMin = Name[13] == 'i'; + static const Intrinsic::ID MinMaxTbl[2][2] = { + { Intrinsic::x86_avx512_max_ps_512, Intrinsic::x86_avx512_max_pd_512 }, + { Intrinsic::x86_avx512_min_ps_512, Intrinsic::x86_avx512_min_pd_512 } + }; + Intrinsic::ID IID = MinMaxTbl[IsMin][IsDouble]; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(4) }); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); + } else if (IsX86 && Name.startswith("avx512.mask.lzcnt.")) { + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), + Intrinsic::ctlz, + CI->getType()), + { CI->getArgOperand(0), Builder.getInt1(false) }); + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); + } else if (IsX86 && Name.startswith("avx512.mask.psll")) { + bool IsImmediate = Name[16] == 'i' || + (Name.size() > 18 && Name[18] == 'i'); + bool IsVariable = Name[16] == 'v'; + char Size = Name[16] == '.' ? Name[17] : + Name[17] == '.' ? Name[18] : + Name[18] == '.' ? Name[19] : + Name[20]; + + Intrinsic::ID IID; + if (IsVariable && Name[17] != '.') { + if (Size == 'd' && Name[17] == '2') // avx512.mask.psllv2.di + IID = Intrinsic::x86_avx2_psllv_q; + else if (Size == 'd' && Name[17] == '4') // avx512.mask.psllv4.di + IID = Intrinsic::x86_avx2_psllv_q_256; + else if (Size == 's' && Name[17] == '4') // avx512.mask.psllv4.si + IID = Intrinsic::x86_avx2_psllv_d; + else if (Size == 's' && Name[17] == '8') // avx512.mask.psllv8.si + IID = Intrinsic::x86_avx2_psllv_d_256; + else if (Size == 'h' && Name[17] == '8') // avx512.mask.psllv8.hi + IID = Intrinsic::x86_avx512_psllv_w_128; + else if (Size == 'h' && Name[17] == '1') // avx512.mask.psllv16.hi + IID = Intrinsic::x86_avx512_psllv_w_256; + else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psllv32hi + IID = Intrinsic::x86_avx512_psllv_w_512; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".128")) { + if (Size == 'd') // avx512.mask.psll.d.128, avx512.mask.psll.di.128 + IID = IsImmediate ? Intrinsic::x86_sse2_pslli_d + : Intrinsic::x86_sse2_psll_d; + else if (Size == 'q') // avx512.mask.psll.q.128, avx512.mask.psll.qi.128 + IID = IsImmediate ? Intrinsic::x86_sse2_pslli_q + : Intrinsic::x86_sse2_psll_q; + else if (Size == 'w') // avx512.mask.psll.w.128, avx512.mask.psll.wi.128 + IID = IsImmediate ? Intrinsic::x86_sse2_pslli_w + : Intrinsic::x86_sse2_psll_w; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".256")) { + if (Size == 'd') // avx512.mask.psll.d.256, avx512.mask.psll.di.256 + IID = IsImmediate ? Intrinsic::x86_avx2_pslli_d + : Intrinsic::x86_avx2_psll_d; + else if (Size == 'q') // avx512.mask.psll.q.256, avx512.mask.psll.qi.256 + IID = IsImmediate ? Intrinsic::x86_avx2_pslli_q + : Intrinsic::x86_avx2_psll_q; + else if (Size == 'w') // avx512.mask.psll.w.256, avx512.mask.psll.wi.256 + IID = IsImmediate ? Intrinsic::x86_avx2_pslli_w + : Intrinsic::x86_avx2_psll_w; + else + llvm_unreachable("Unexpected size"); + } else { + if (Size == 'd') // psll.di.512, pslli.d, psll.d, psllv.d.512 + IID = IsImmediate ? Intrinsic::x86_avx512_pslli_d_512 : + IsVariable ? Intrinsic::x86_avx512_psllv_d_512 : + Intrinsic::x86_avx512_psll_d_512; + else if (Size == 'q') // psll.qi.512, pslli.q, psll.q, psllv.q.512 + IID = IsImmediate ? Intrinsic::x86_avx512_pslli_q_512 : + IsVariable ? Intrinsic::x86_avx512_psllv_q_512 : + Intrinsic::x86_avx512_psll_q_512; + else if (Size == 'w') // psll.wi.512, pslli.w, psll.w + IID = IsImmediate ? Intrinsic::x86_avx512_pslli_w_512 + : Intrinsic::x86_avx512_psll_w_512; + else + llvm_unreachable("Unexpected size"); + } + + Rep = UpgradeX86MaskedShift(Builder, *CI, IID); + } else if (IsX86 && Name.startswith("avx512.mask.psrl")) { + bool IsImmediate = Name[16] == 'i' || + (Name.size() > 18 && Name[18] == 'i'); + bool IsVariable = Name[16] == 'v'; + char Size = Name[16] == '.' ? Name[17] : + Name[17] == '.' ? Name[18] : + Name[18] == '.' ? Name[19] : + Name[20]; + + Intrinsic::ID IID; + if (IsVariable && Name[17] != '.') { + if (Size == 'd' && Name[17] == '2') // avx512.mask.psrlv2.di + IID = Intrinsic::x86_avx2_psrlv_q; + else if (Size == 'd' && Name[17] == '4') // avx512.mask.psrlv4.di + IID = Intrinsic::x86_avx2_psrlv_q_256; + else if (Size == 's' && Name[17] == '4') // avx512.mask.psrlv4.si + IID = Intrinsic::x86_avx2_psrlv_d; + else if (Size == 's' && Name[17] == '8') // avx512.mask.psrlv8.si + IID = Intrinsic::x86_avx2_psrlv_d_256; + else if (Size == 'h' && Name[17] == '8') // avx512.mask.psrlv8.hi + IID = Intrinsic::x86_avx512_psrlv_w_128; + else if (Size == 'h' && Name[17] == '1') // avx512.mask.psrlv16.hi + IID = Intrinsic::x86_avx512_psrlv_w_256; + else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psrlv32hi + IID = Intrinsic::x86_avx512_psrlv_w_512; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".128")) { + if (Size == 'd') // avx512.mask.psrl.d.128, avx512.mask.psrl.di.128 + IID = IsImmediate ? Intrinsic::x86_sse2_psrli_d + : Intrinsic::x86_sse2_psrl_d; + else if (Size == 'q') // avx512.mask.psrl.q.128, avx512.mask.psrl.qi.128 + IID = IsImmediate ? Intrinsic::x86_sse2_psrli_q + : Intrinsic::x86_sse2_psrl_q; + else if (Size == 'w') // avx512.mask.psrl.w.128, avx512.mask.psrl.wi.128 + IID = IsImmediate ? Intrinsic::x86_sse2_psrli_w + : Intrinsic::x86_sse2_psrl_w; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".256")) { + if (Size == 'd') // avx512.mask.psrl.d.256, avx512.mask.psrl.di.256 + IID = IsImmediate ? Intrinsic::x86_avx2_psrli_d + : Intrinsic::x86_avx2_psrl_d; + else if (Size == 'q') // avx512.mask.psrl.q.256, avx512.mask.psrl.qi.256 + IID = IsImmediate ? Intrinsic::x86_avx2_psrli_q + : Intrinsic::x86_avx2_psrl_q; + else if (Size == 'w') // avx512.mask.psrl.w.256, avx512.mask.psrl.wi.256 + IID = IsImmediate ? Intrinsic::x86_avx2_psrli_w + : Intrinsic::x86_avx2_psrl_w; + else + llvm_unreachable("Unexpected size"); + } else { + if (Size == 'd') // psrl.di.512, psrli.d, psrl.d, psrl.d.512 + IID = IsImmediate ? Intrinsic::x86_avx512_psrli_d_512 : + IsVariable ? Intrinsic::x86_avx512_psrlv_d_512 : + Intrinsic::x86_avx512_psrl_d_512; + else if (Size == 'q') // psrl.qi.512, psrli.q, psrl.q, psrl.q.512 + IID = IsImmediate ? Intrinsic::x86_avx512_psrli_q_512 : + IsVariable ? Intrinsic::x86_avx512_psrlv_q_512 : + Intrinsic::x86_avx512_psrl_q_512; + else if (Size == 'w') // psrl.wi.512, psrli.w, psrl.w) + IID = IsImmediate ? Intrinsic::x86_avx512_psrli_w_512 + : Intrinsic::x86_avx512_psrl_w_512; + else + llvm_unreachable("Unexpected size"); + } + + Rep = UpgradeX86MaskedShift(Builder, *CI, IID); + } else if (IsX86 && Name.startswith("avx512.mask.psra")) { + bool IsImmediate = Name[16] == 'i' || + (Name.size() > 18 && Name[18] == 'i'); + bool IsVariable = Name[16] == 'v'; + char Size = Name[16] == '.' ? Name[17] : + Name[17] == '.' ? Name[18] : + Name[18] == '.' ? Name[19] : + Name[20]; + + Intrinsic::ID IID; + if (IsVariable && Name[17] != '.') { + if (Size == 's' && Name[17] == '4') // avx512.mask.psrav4.si + IID = Intrinsic::x86_avx2_psrav_d; + else if (Size == 's' && Name[17] == '8') // avx512.mask.psrav8.si + IID = Intrinsic::x86_avx2_psrav_d_256; + else if (Size == 'h' && Name[17] == '8') // avx512.mask.psrav8.hi + IID = Intrinsic::x86_avx512_psrav_w_128; + else if (Size == 'h' && Name[17] == '1') // avx512.mask.psrav16.hi + IID = Intrinsic::x86_avx512_psrav_w_256; + else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psrav32hi + IID = Intrinsic::x86_avx512_psrav_w_512; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".128")) { + if (Size == 'd') // avx512.mask.psra.d.128, avx512.mask.psra.di.128 + IID = IsImmediate ? Intrinsic::x86_sse2_psrai_d + : Intrinsic::x86_sse2_psra_d; + else if (Size == 'q') // avx512.mask.psra.q.128, avx512.mask.psra.qi.128 + IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_128 : + IsVariable ? Intrinsic::x86_avx512_psrav_q_128 : + Intrinsic::x86_avx512_psra_q_128; + else if (Size == 'w') // avx512.mask.psra.w.128, avx512.mask.psra.wi.128 + IID = IsImmediate ? Intrinsic::x86_sse2_psrai_w + : Intrinsic::x86_sse2_psra_w; + else + llvm_unreachable("Unexpected size"); + } else if (Name.endswith(".256")) { + if (Size == 'd') // avx512.mask.psra.d.256, avx512.mask.psra.di.256 + IID = IsImmediate ? Intrinsic::x86_avx2_psrai_d + : Intrinsic::x86_avx2_psra_d; + else if (Size == 'q') // avx512.mask.psra.q.256, avx512.mask.psra.qi.256 + IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_256 : + IsVariable ? Intrinsic::x86_avx512_psrav_q_256 : + Intrinsic::x86_avx512_psra_q_256; + else if (Size == 'w') // avx512.mask.psra.w.256, avx512.mask.psra.wi.256 + IID = IsImmediate ? Intrinsic::x86_avx2_psrai_w + : Intrinsic::x86_avx2_psra_w; + else + llvm_unreachable("Unexpected size"); + } else { + if (Size == 'd') // psra.di.512, psrai.d, psra.d, psrav.d.512 + IID = IsImmediate ? Intrinsic::x86_avx512_psrai_d_512 : + IsVariable ? Intrinsic::x86_avx512_psrav_d_512 : + Intrinsic::x86_avx512_psra_d_512; + else if (Size == 'q') // psra.qi.512, psrai.q, psra.q + IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_512 : + IsVariable ? Intrinsic::x86_avx512_psrav_q_512 : + Intrinsic::x86_avx512_psra_q_512; + else if (Size == 'w') // psra.wi.512, psrai.w, psra.w + IID = IsImmediate ? Intrinsic::x86_avx512_psrai_w_512 + : Intrinsic::x86_avx512_psra_w_512; + else + llvm_unreachable("Unexpected size"); + } + + Rep = UpgradeX86MaskedShift(Builder, *CI, IID); + } else if (IsX86 && Name.startswith("avx512.mask.move.s")) { + Rep = upgradeMaskedMove(Builder, *CI); + } else if (IsX86 && Name.startswith("avx512.cvtmask2")) { + Rep = UpgradeMaskToInt(Builder, *CI); + } else if (IsX86 && Name.endswith(".movntdqa")) { + Module *M = F->getParent(); + MDNode *Node = MDNode::get( + C, ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1))); + + Value *Ptr = CI->getArgOperand(0); + + // Convert the type of the pointer to a pointer to the stored type. + Value *BC = Builder.CreateBitCast( + Ptr, PointerType::getUnqual(CI->getType()), "cast"); + LoadInst *LI = Builder.CreateAlignedLoad( + CI->getType(), BC, + Align(CI->getType()->getPrimitiveSizeInBits().getFixedSize() / 8)); + LI->setMetadata(M->getMDKindID("nontemporal"), Node); + Rep = LI; + } else if (IsX86 && (Name.startswith("fma.vfmadd.") || + Name.startswith("fma.vfmsub.") || + Name.startswith("fma.vfnmadd.") || + Name.startswith("fma.vfnmsub."))) { + bool NegMul = Name[6] == 'n'; + bool NegAcc = NegMul ? Name[8] == 's' : Name[7] == 's'; + bool IsScalar = NegMul ? Name[12] == 's' : Name[11] == 's'; + + Value *Ops[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + + if (IsScalar) { + Ops[0] = Builder.CreateExtractElement(Ops[0], (uint64_t)0); + Ops[1] = Builder.CreateExtractElement(Ops[1], (uint64_t)0); + Ops[2] = Builder.CreateExtractElement(Ops[2], (uint64_t)0); + } + + if (NegMul && !IsScalar) + Ops[0] = Builder.CreateFNeg(Ops[0]); + if (NegMul && IsScalar) + Ops[1] = Builder.CreateFNeg(Ops[1]); + if (NegAcc) + Ops[2] = Builder.CreateFNeg(Ops[2]); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), + Intrinsic::fma, + Ops[0]->getType()), + Ops); + + if (IsScalar) + Rep = Builder.CreateInsertElement(CI->getArgOperand(0), Rep, + (uint64_t)0); + } else if (IsX86 && Name.startswith("fma4.vfmadd.s")) { + Value *Ops[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + + Ops[0] = Builder.CreateExtractElement(Ops[0], (uint64_t)0); + Ops[1] = Builder.CreateExtractElement(Ops[1], (uint64_t)0); + Ops[2] = Builder.CreateExtractElement(Ops[2], (uint64_t)0); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), + Intrinsic::fma, + Ops[0]->getType()), + Ops); + + Rep = Builder.CreateInsertElement(Constant::getNullValue(CI->getType()), + Rep, (uint64_t)0); + } else if (IsX86 && (Name.startswith("avx512.mask.vfmadd.s") || + Name.startswith("avx512.maskz.vfmadd.s") || + Name.startswith("avx512.mask3.vfmadd.s") || + Name.startswith("avx512.mask3.vfmsub.s") || + Name.startswith("avx512.mask3.vfnmsub.s"))) { + bool IsMask3 = Name[11] == '3'; + bool IsMaskZ = Name[11] == 'z'; + // Drop the "avx512.mask." to make it easier. + Name = Name.drop_front(IsMask3 || IsMaskZ ? 13 : 12); + bool NegMul = Name[2] == 'n'; + bool NegAcc = NegMul ? Name[4] == 's' : Name[3] == 's'; + + Value *A = CI->getArgOperand(0); + Value *B = CI->getArgOperand(1); + Value *C = CI->getArgOperand(2); + + if (NegMul && (IsMask3 || IsMaskZ)) + A = Builder.CreateFNeg(A); + if (NegMul && !(IsMask3 || IsMaskZ)) + B = Builder.CreateFNeg(B); + if (NegAcc) + C = Builder.CreateFNeg(C); + + A = Builder.CreateExtractElement(A, (uint64_t)0); + B = Builder.CreateExtractElement(B, (uint64_t)0); + C = Builder.CreateExtractElement(C, (uint64_t)0); + + if (!isa<ConstantInt>(CI->getArgOperand(4)) || + cast<ConstantInt>(CI->getArgOperand(4))->getZExtValue() != 4) { + Value *Ops[] = { A, B, C, CI->getArgOperand(4) }; + + Intrinsic::ID IID; + if (Name.back() == 'd') + IID = Intrinsic::x86_avx512_vfmadd_f64; + else + IID = Intrinsic::x86_avx512_vfmadd_f32; + Function *FMA = Intrinsic::getDeclaration(CI->getModule(), IID); + Rep = Builder.CreateCall(FMA, Ops); + } else { + Function *FMA = Intrinsic::getDeclaration(CI->getModule(), + Intrinsic::fma, + A->getType()); + Rep = Builder.CreateCall(FMA, { A, B, C }); + } + + Value *PassThru = IsMaskZ ? Constant::getNullValue(Rep->getType()) : + IsMask3 ? C : A; + + // For Mask3 with NegAcc, we need to create a new extractelement that + // avoids the negation above. + if (NegAcc && IsMask3) + PassThru = Builder.CreateExtractElement(CI->getArgOperand(2), + (uint64_t)0); + + Rep = EmitX86ScalarSelect(Builder, CI->getArgOperand(3), + Rep, PassThru); + Rep = Builder.CreateInsertElement(CI->getArgOperand(IsMask3 ? 2 : 0), + Rep, (uint64_t)0); + } else if (IsX86 && (Name.startswith("avx512.mask.vfmadd.p") || + Name.startswith("avx512.mask.vfnmadd.p") || + Name.startswith("avx512.mask.vfnmsub.p") || + Name.startswith("avx512.mask3.vfmadd.p") || + Name.startswith("avx512.mask3.vfmsub.p") || + Name.startswith("avx512.mask3.vfnmsub.p") || + Name.startswith("avx512.maskz.vfmadd.p"))) { + bool IsMask3 = Name[11] == '3'; + bool IsMaskZ = Name[11] == 'z'; + // Drop the "avx512.mask." to make it easier. + Name = Name.drop_front(IsMask3 || IsMaskZ ? 13 : 12); + bool NegMul = Name[2] == 'n'; + bool NegAcc = NegMul ? Name[4] == 's' : Name[3] == 's'; + + Value *A = CI->getArgOperand(0); + Value *B = CI->getArgOperand(1); + Value *C = CI->getArgOperand(2); + + if (NegMul && (IsMask3 || IsMaskZ)) + A = Builder.CreateFNeg(A); + if (NegMul && !(IsMask3 || IsMaskZ)) + B = Builder.CreateFNeg(B); + if (NegAcc) + C = Builder.CreateFNeg(C); + + if (CI->getNumArgOperands() == 5 && + (!isa<ConstantInt>(CI->getArgOperand(4)) || + cast<ConstantInt>(CI->getArgOperand(4))->getZExtValue() != 4)) { + Intrinsic::ID IID; + // Check the character before ".512" in string. + if (Name[Name.size()-5] == 's') + IID = Intrinsic::x86_avx512_vfmadd_ps_512; + else + IID = Intrinsic::x86_avx512_vfmadd_pd_512; + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { A, B, C, CI->getArgOperand(4) }); + } else { + Function *FMA = Intrinsic::getDeclaration(CI->getModule(), + Intrinsic::fma, + A->getType()); + Rep = Builder.CreateCall(FMA, { A, B, C }); + } + + Value *PassThru = IsMaskZ ? llvm::Constant::getNullValue(CI->getType()) : + IsMask3 ? CI->getArgOperand(2) : + CI->getArgOperand(0); + + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, PassThru); + } else if (IsX86 && Name.startswith("fma.vfmsubadd.p")) { + unsigned VecWidth = CI->getType()->getPrimitiveSizeInBits(); + unsigned EltWidth = CI->getType()->getScalarSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_fma_vfmaddsub_ps; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_fma_vfmaddsub_ps_256; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_fma_vfmaddsub_pd; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_fma_vfmaddsub_pd_256; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Ops[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + Ops[2] = Builder.CreateFNeg(Ops[2]); + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + Ops); + } else if (IsX86 && (Name.startswith("avx512.mask.vfmaddsub.p") || + Name.startswith("avx512.mask3.vfmaddsub.p") || + Name.startswith("avx512.maskz.vfmaddsub.p") || + Name.startswith("avx512.mask3.vfmsubadd.p"))) { + bool IsMask3 = Name[11] == '3'; + bool IsMaskZ = Name[11] == 'z'; + // Drop the "avx512.mask." to make it easier. + Name = Name.drop_front(IsMask3 || IsMaskZ ? 13 : 12); + bool IsSubAdd = Name[3] == 's'; + if (CI->getNumArgOperands() == 5) { + Intrinsic::ID IID; + // Check the character before ".512" in string. + if (Name[Name.size()-5] == 's') + IID = Intrinsic::x86_avx512_vfmaddsub_ps_512; + else + IID = Intrinsic::x86_avx512_vfmaddsub_pd_512; + + Value *Ops[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2), CI->getArgOperand(4) }; + if (IsSubAdd) + Ops[2] = Builder.CreateFNeg(Ops[2]); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + Ops); + } else { + int NumElts = cast<FixedVectorType>(CI->getType())->getNumElements(); + + Value *Ops[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + + Function *FMA = Intrinsic::getDeclaration(CI->getModule(), Intrinsic::fma, + Ops[0]->getType()); + Value *Odd = Builder.CreateCall(FMA, Ops); + Ops[2] = Builder.CreateFNeg(Ops[2]); + Value *Even = Builder.CreateCall(FMA, Ops); + + if (IsSubAdd) + std::swap(Even, Odd); + + SmallVector<int, 32> Idxs(NumElts); + for (int i = 0; i != NumElts; ++i) + Idxs[i] = i + (i % 2) * NumElts; + + Rep = Builder.CreateShuffleVector(Even, Odd, Idxs); + } + + Value *PassThru = IsMaskZ ? llvm::Constant::getNullValue(CI->getType()) : + IsMask3 ? CI->getArgOperand(2) : + CI->getArgOperand(0); + + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, PassThru); + } else if (IsX86 && (Name.startswith("avx512.mask.pternlog.") || + Name.startswith("avx512.maskz.pternlog."))) { + bool ZeroMask = Name[11] == 'z'; + unsigned VecWidth = CI->getType()->getPrimitiveSizeInBits(); + unsigned EltWidth = CI->getType()->getScalarSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_avx512_pternlog_d_128; + else if (VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx512_pternlog_d_256; + else if (VecWidth == 512 && EltWidth == 32) + IID = Intrinsic::x86_avx512_pternlog_d_512; + else if (VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_avx512_pternlog_q_128; + else if (VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx512_pternlog_q_256; + else if (VecWidth == 512 && EltWidth == 64) + IID = Intrinsic::x86_avx512_pternlog_q_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Args[] = { CI->getArgOperand(0) , CI->getArgOperand(1), + CI->getArgOperand(2), CI->getArgOperand(3) }; + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), IID), + Args); + Value *PassThru = ZeroMask ? ConstantAggregateZero::get(CI->getType()) + : CI->getArgOperand(0); + Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep, PassThru); + } else if (IsX86 && (Name.startswith("avx512.mask.vpmadd52") || + Name.startswith("avx512.maskz.vpmadd52"))) { + bool ZeroMask = Name[11] == 'z'; + bool High = Name[20] == 'h' || Name[21] == 'h'; + unsigned VecWidth = CI->getType()->getPrimitiveSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && !High) + IID = Intrinsic::x86_avx512_vpmadd52l_uq_128; + else if (VecWidth == 256 && !High) + IID = Intrinsic::x86_avx512_vpmadd52l_uq_256; + else if (VecWidth == 512 && !High) + IID = Intrinsic::x86_avx512_vpmadd52l_uq_512; + else if (VecWidth == 128 && High) + IID = Intrinsic::x86_avx512_vpmadd52h_uq_128; + else if (VecWidth == 256 && High) + IID = Intrinsic::x86_avx512_vpmadd52h_uq_256; + else if (VecWidth == 512 && High) + IID = Intrinsic::x86_avx512_vpmadd52h_uq_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Args[] = { CI->getArgOperand(0) , CI->getArgOperand(1), + CI->getArgOperand(2) }; + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), IID), + Args); + Value *PassThru = ZeroMask ? ConstantAggregateZero::get(CI->getType()) + : CI->getArgOperand(0); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, PassThru); + } else if (IsX86 && (Name.startswith("avx512.mask.vpermi2var.") || + Name.startswith("avx512.mask.vpermt2var.") || + Name.startswith("avx512.maskz.vpermt2var."))) { + bool ZeroMask = Name[11] == 'z'; + bool IndexForm = Name[17] == 'i'; + Rep = UpgradeX86VPERMT2Intrinsics(Builder, *CI, ZeroMask, IndexForm); + } else if (IsX86 && (Name.startswith("avx512.mask.vpdpbusd.") || + Name.startswith("avx512.maskz.vpdpbusd.") || + Name.startswith("avx512.mask.vpdpbusds.") || + Name.startswith("avx512.maskz.vpdpbusds."))) { + bool ZeroMask = Name[11] == 'z'; + bool IsSaturating = Name[ZeroMask ? 21 : 20] == 's'; + unsigned VecWidth = CI->getType()->getPrimitiveSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusd_128; + else if (VecWidth == 256 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusd_256; + else if (VecWidth == 512 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusd_512; + else if (VecWidth == 128 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusds_128; + else if (VecWidth == 256 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusds_256; + else if (VecWidth == 512 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpbusds_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Args[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), IID), + Args); + Value *PassThru = ZeroMask ? ConstantAggregateZero::get(CI->getType()) + : CI->getArgOperand(0); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, PassThru); + } else if (IsX86 && (Name.startswith("avx512.mask.vpdpwssd.") || + Name.startswith("avx512.maskz.vpdpwssd.") || + Name.startswith("avx512.mask.vpdpwssds.") || + Name.startswith("avx512.maskz.vpdpwssds."))) { + bool ZeroMask = Name[11] == 'z'; + bool IsSaturating = Name[ZeroMask ? 21 : 20] == 's'; + unsigned VecWidth = CI->getType()->getPrimitiveSizeInBits(); + Intrinsic::ID IID; + if (VecWidth == 128 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssd_128; + else if (VecWidth == 256 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssd_256; + else if (VecWidth == 512 && !IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssd_512; + else if (VecWidth == 128 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssds_128; + else if (VecWidth == 256 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssds_256; + else if (VecWidth == 512 && IsSaturating) + IID = Intrinsic::x86_avx512_vpdpwssds_512; + else + llvm_unreachable("Unexpected intrinsic"); + + Value *Args[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2) }; + Rep = Builder.CreateCall(Intrinsic::getDeclaration(CI->getModule(), IID), + Args); + Value *PassThru = ZeroMask ? ConstantAggregateZero::get(CI->getType()) + : CI->getArgOperand(0); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, PassThru); + } else if (IsX86 && (Name == "addcarryx.u32" || Name == "addcarryx.u64" || + Name == "addcarry.u32" || Name == "addcarry.u64" || + Name == "subborrow.u32" || Name == "subborrow.u64")) { + Intrinsic::ID IID; + if (Name[0] == 'a' && Name.back() == '2') + IID = Intrinsic::x86_addcarry_32; + else if (Name[0] == 'a' && Name.back() == '4') + IID = Intrinsic::x86_addcarry_64; + else if (Name[0] == 's' && Name.back() == '2') + IID = Intrinsic::x86_subborrow_32; + else if (Name[0] == 's' && Name.back() == '4') + IID = Intrinsic::x86_subborrow_64; + else + llvm_unreachable("Unexpected intrinsic"); + + // Make a call with 3 operands. + Value *Args[] = { CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2)}; + Value *NewCall = Builder.CreateCall( + Intrinsic::getDeclaration(CI->getModule(), IID), + Args); + + // Extract the second result and store it. + Value *Data = Builder.CreateExtractValue(NewCall, 1); + // Cast the pointer to the right type. + Value *Ptr = Builder.CreateBitCast(CI->getArgOperand(3), + llvm::PointerType::getUnqual(Data->getType())); + Builder.CreateAlignedStore(Data, Ptr, Align(1)); + // Replace the original call result with the first result of the new call. + Value *CF = Builder.CreateExtractValue(NewCall, 0); + + CI->replaceAllUsesWith(CF); + Rep = nullptr; + } else if (IsX86 && Name.startswith("avx512.mask.") && + upgradeAVX512MaskToSelect(Name, Builder, *CI, Rep)) { + // Rep will be updated by the call in the condition. + } else if (IsNVVM && (Name == "abs.i" || Name == "abs.ll")) { + Value *Arg = CI->getArgOperand(0); + Value *Neg = Builder.CreateNeg(Arg, "neg"); + Value *Cmp = Builder.CreateICmpSGE( + Arg, llvm::Constant::getNullValue(Arg->getType()), "abs.cond"); + Rep = Builder.CreateSelect(Cmp, Arg, Neg, "abs"); + } else if (IsNVVM && (Name.startswith("atomic.load.add.f32.p") || + Name.startswith("atomic.load.add.f64.p"))) { + Value *Ptr = CI->getArgOperand(0); + Value *Val = CI->getArgOperand(1); + Rep = Builder.CreateAtomicRMW(AtomicRMWInst::FAdd, Ptr, Val, + AtomicOrdering::SequentiallyConsistent); + } else if (IsNVVM && (Name == "max.i" || Name == "max.ll" || + Name == "max.ui" || Name == "max.ull")) { + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + Value *Cmp = Name.endswith(".ui") || Name.endswith(".ull") + ? Builder.CreateICmpUGE(Arg0, Arg1, "max.cond") + : Builder.CreateICmpSGE(Arg0, Arg1, "max.cond"); + Rep = Builder.CreateSelect(Cmp, Arg0, Arg1, "max"); + } else if (IsNVVM && (Name == "min.i" || Name == "min.ll" || + Name == "min.ui" || Name == "min.ull")) { + Value *Arg0 = CI->getArgOperand(0); + Value *Arg1 = CI->getArgOperand(1); + Value *Cmp = Name.endswith(".ui") || Name.endswith(".ull") + ? Builder.CreateICmpULE(Arg0, Arg1, "min.cond") + : Builder.CreateICmpSLE(Arg0, Arg1, "min.cond"); + Rep = Builder.CreateSelect(Cmp, Arg0, Arg1, "min"); + } else if (IsNVVM && Name == "clz.ll") { + // llvm.nvvm.clz.ll returns an i32, but llvm.ctlz.i64 and returns an i64. + Value *Arg = CI->getArgOperand(0); + Value *Ctlz = Builder.CreateCall( + Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz, + {Arg->getType()}), + {Arg, Builder.getFalse()}, "ctlz"); + Rep = Builder.CreateTrunc(Ctlz, Builder.getInt32Ty(), "ctlz.trunc"); + } else if (IsNVVM && Name == "popc.ll") { + // llvm.nvvm.popc.ll returns an i32, but llvm.ctpop.i64 and returns an + // i64. + Value *Arg = CI->getArgOperand(0); + Value *Popc = Builder.CreateCall( + Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctpop, + {Arg->getType()}), + Arg, "ctpop"); + Rep = Builder.CreateTrunc(Popc, Builder.getInt32Ty(), "ctpop.trunc"); + } else if (IsNVVM && Name == "h2f") { + Rep = Builder.CreateCall(Intrinsic::getDeclaration( + F->getParent(), Intrinsic::convert_from_fp16, + {Builder.getFloatTy()}), + CI->getArgOperand(0), "h2f"); + } else { + llvm_unreachable("Unknown function for CallInst upgrade."); + } + + if (Rep) + CI->replaceAllUsesWith(Rep); + CI->eraseFromParent(); + return; + } + + const auto &DefaultCase = [&NewFn, &CI]() -> void { + // Handle generic mangling change, but nothing else + assert( + (CI->getCalledFunction()->getName() != NewFn->getName()) && + "Unknown function for CallInst upgrade and isn't just a name change"); + CI->setCalledFunction(NewFn); + }; + CallInst *NewCall = nullptr; + switch (NewFn->getIntrinsicID()) { + default: { + DefaultCase(); + return; + } + case Intrinsic::arm_neon_vld1: + case Intrinsic::arm_neon_vld2: + case Intrinsic::arm_neon_vld3: + case Intrinsic::arm_neon_vld4: + case Intrinsic::arm_neon_vld2lane: + case Intrinsic::arm_neon_vld3lane: + case Intrinsic::arm_neon_vld4lane: + case Intrinsic::arm_neon_vst1: + case Intrinsic::arm_neon_vst2: + case Intrinsic::arm_neon_vst3: + case Intrinsic::arm_neon_vst4: + case Intrinsic::arm_neon_vst2lane: + case Intrinsic::arm_neon_vst3lane: + case Intrinsic::arm_neon_vst4lane: { + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + NewCall = Builder.CreateCall(NewFn, Args); + break; + } + + case Intrinsic::arm_neon_bfdot: + case Intrinsic::arm_neon_bfmmla: + case Intrinsic::arm_neon_bfmlalb: + case Intrinsic::arm_neon_bfmlalt: + case Intrinsic::aarch64_neon_bfdot: + case Intrinsic::aarch64_neon_bfmmla: + case Intrinsic::aarch64_neon_bfmlalb: + case Intrinsic::aarch64_neon_bfmlalt: { + SmallVector<Value *, 3> Args; + assert(CI->getNumArgOperands() == 3 && + "Mismatch between function args and call args"); + size_t OperandWidth = + CI->getArgOperand(1)->getType()->getPrimitiveSizeInBits(); + assert((OperandWidth == 64 || OperandWidth == 128) && + "Unexpected operand width"); + Type *NewTy = FixedVectorType::get(Type::getBFloatTy(C), OperandWidth / 16); + auto Iter = CI->arg_operands().begin(); + Args.push_back(*Iter++); + Args.push_back(Builder.CreateBitCast(*Iter++, NewTy)); + Args.push_back(Builder.CreateBitCast(*Iter++, NewTy)); + NewCall = Builder.CreateCall(NewFn, Args); + break; + } + + case Intrinsic::bitreverse: + NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)}); + break; + + case Intrinsic::ctlz: + case Intrinsic::cttz: + assert(CI->getNumArgOperands() == 1 && + "Mismatch between function args and call args"); + NewCall = + Builder.CreateCall(NewFn, {CI->getArgOperand(0), Builder.getFalse()}); + break; + + case Intrinsic::objectsize: { + Value *NullIsUnknownSize = CI->getNumArgOperands() == 2 + ? Builder.getFalse() + : CI->getArgOperand(2); + Value *Dynamic = + CI->getNumArgOperands() < 4 ? Builder.getFalse() : CI->getArgOperand(3); + NewCall = Builder.CreateCall( + NewFn, {CI->getArgOperand(0), CI->getArgOperand(1), NullIsUnknownSize, Dynamic}); + break; + } + + case Intrinsic::ctpop: + NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)}); + break; + + case Intrinsic::convert_from_fp16: + NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)}); + break; + + case Intrinsic::dbg_value: + // Upgrade from the old version that had an extra offset argument. + assert(CI->getNumArgOperands() == 4); + // Drop nonzero offsets instead of attempting to upgrade them. + if (auto *Offset = dyn_cast_or_null<Constant>(CI->getArgOperand(1))) + if (Offset->isZeroValue()) { + NewCall = Builder.CreateCall( + NewFn, + {CI->getArgOperand(0), CI->getArgOperand(2), CI->getArgOperand(3)}); + break; + } + CI->eraseFromParent(); + return; + + case Intrinsic::ptr_annotation: + // Upgrade from versions that lacked the annotation attribute argument. + assert(CI->getNumArgOperands() == 4 && + "Before LLVM 12.0 this intrinsic took four arguments"); + // Create a new call with an added null annotation attribute argument. + NewCall = Builder.CreateCall( + NewFn, + {CI->getArgOperand(0), CI->getArgOperand(1), CI->getArgOperand(2), + CI->getArgOperand(3), Constant::getNullValue(Builder.getInt8PtrTy())}); + NewCall->takeName(CI); + CI->replaceAllUsesWith(NewCall); + CI->eraseFromParent(); + return; + + case Intrinsic::var_annotation: + // Upgrade from versions that lacked the annotation attribute argument. + assert(CI->getNumArgOperands() == 4 && + "Before LLVM 12.0 this intrinsic took four arguments"); + // Create a new call with an added null annotation attribute argument. + NewCall = Builder.CreateCall( + NewFn, + {CI->getArgOperand(0), CI->getArgOperand(1), CI->getArgOperand(2), + CI->getArgOperand(3), Constant::getNullValue(Builder.getInt8PtrTy())}); + CI->eraseFromParent(); + return; + + case Intrinsic::x86_xop_vfrcz_ss: + case Intrinsic::x86_xop_vfrcz_sd: + NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(1)}); + break; + + case Intrinsic::x86_xop_vpermil2pd: + case Intrinsic::x86_xop_vpermil2ps: + case Intrinsic::x86_xop_vpermil2pd_256: + case Intrinsic::x86_xop_vpermil2ps_256: { + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + VectorType *FltIdxTy = cast<VectorType>(Args[2]->getType()); + VectorType *IntIdxTy = VectorType::getInteger(FltIdxTy); + Args[2] = Builder.CreateBitCast(Args[2], IntIdxTy); + NewCall = Builder.CreateCall(NewFn, Args); + break; + } + + case Intrinsic::x86_sse41_ptestc: + case Intrinsic::x86_sse41_ptestz: + case Intrinsic::x86_sse41_ptestnzc: { + // The arguments for these intrinsics used to be v4f32, and changed + // to v2i64. This is purely a nop, since those are bitwise intrinsics. + // So, the only thing required is a bitcast for both arguments. + // First, check the arguments have the old type. + Value *Arg0 = CI->getArgOperand(0); + if (Arg0->getType() != FixedVectorType::get(Type::getFloatTy(C), 4)) + return; + + // Old intrinsic, add bitcasts + Value *Arg1 = CI->getArgOperand(1); + + auto *NewVecTy = FixedVectorType::get(Type::getInt64Ty(C), 2); + + Value *BC0 = Builder.CreateBitCast(Arg0, NewVecTy, "cast"); + Value *BC1 = Builder.CreateBitCast(Arg1, NewVecTy, "cast"); + + NewCall = Builder.CreateCall(NewFn, {BC0, BC1}); + break; + } + + case Intrinsic::x86_rdtscp: { + // This used to take 1 arguments. If we have no arguments, it is already + // upgraded. + if (CI->getNumOperands() == 0) + return; + + NewCall = Builder.CreateCall(NewFn); + // Extract the second result and store it. + Value *Data = Builder.CreateExtractValue(NewCall, 1); + // Cast the pointer to the right type. + Value *Ptr = Builder.CreateBitCast(CI->getArgOperand(0), + llvm::PointerType::getUnqual(Data->getType())); + Builder.CreateAlignedStore(Data, Ptr, Align(1)); + // Replace the original call result with the first result of the new call. + Value *TSC = Builder.CreateExtractValue(NewCall, 0); + + NewCall->takeName(CI); + CI->replaceAllUsesWith(TSC); + CI->eraseFromParent(); + return; + } + + case Intrinsic::x86_sse41_insertps: + case Intrinsic::x86_sse41_dppd: + case Intrinsic::x86_sse41_dpps: + case Intrinsic::x86_sse41_mpsadbw: + case Intrinsic::x86_avx_dp_ps_256: + case Intrinsic::x86_avx2_mpsadbw: { + // Need to truncate the last argument from i32 to i8 -- this argument models + // an inherently 8-bit immediate operand to these x86 instructions. + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + + // Replace the last argument with a trunc. + Args.back() = Builder.CreateTrunc(Args.back(), Type::getInt8Ty(C), "trunc"); + NewCall = Builder.CreateCall(NewFn, Args); + break; + } + + case Intrinsic::x86_avx512_mask_cmp_pd_128: + case Intrinsic::x86_avx512_mask_cmp_pd_256: + case Intrinsic::x86_avx512_mask_cmp_pd_512: + case Intrinsic::x86_avx512_mask_cmp_ps_128: + case Intrinsic::x86_avx512_mask_cmp_ps_256: + case Intrinsic::x86_avx512_mask_cmp_ps_512: { + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + unsigned NumElts = + cast<FixedVectorType>(Args[0]->getType())->getNumElements(); + Args[3] = getX86MaskVec(Builder, Args[3], NumElts); + + NewCall = Builder.CreateCall(NewFn, Args); + Value *Res = ApplyX86MaskOn1BitsVec(Builder, NewCall, nullptr); + + NewCall->takeName(CI); + CI->replaceAllUsesWith(Res); + CI->eraseFromParent(); + return; + } + + case Intrinsic::thread_pointer: { + NewCall = Builder.CreateCall(NewFn, {}); + break; + } + + case Intrinsic::invariant_start: + case Intrinsic::invariant_end: + case Intrinsic::masked_load: + case Intrinsic::masked_store: + case Intrinsic::masked_gather: + case Intrinsic::masked_scatter: { + SmallVector<Value *, 4> Args(CI->arg_operands().begin(), + CI->arg_operands().end()); + NewCall = Builder.CreateCall(NewFn, Args); + break; + } + + case Intrinsic::memcpy: + case Intrinsic::memmove: + case Intrinsic::memset: { + // We have to make sure that the call signature is what we're expecting. + // We only want to change the old signatures by removing the alignment arg: + // @llvm.mem[cpy|move]...(i8*, i8*, i[32|i64], i32, i1) + // -> @llvm.mem[cpy|move]...(i8*, i8*, i[32|i64], i1) + // @llvm.memset...(i8*, i8, i[32|64], i32, i1) + // -> @llvm.memset...(i8*, i8, i[32|64], i1) + // Note: i8*'s in the above can be any pointer type + if (CI->getNumArgOperands() != 5) { + DefaultCase(); + return; + } + // Remove alignment argument (3), and add alignment attributes to the + // dest/src pointers. + Value *Args[4] = {CI->getArgOperand(0), CI->getArgOperand(1), + CI->getArgOperand(2), CI->getArgOperand(4)}; + NewCall = Builder.CreateCall(NewFn, Args); + auto *MemCI = cast<MemIntrinsic>(NewCall); + // All mem intrinsics support dest alignment. + const ConstantInt *Align = cast<ConstantInt>(CI->getArgOperand(3)); + MemCI->setDestAlignment(Align->getMaybeAlignValue()); + // Memcpy/Memmove also support source alignment. + if (auto *MTI = dyn_cast<MemTransferInst>(MemCI)) + MTI->setSourceAlignment(Align->getMaybeAlignValue()); + break; + } + } + assert(NewCall && "Should have either set this variable or returned through " + "the default case"); + NewCall->takeName(CI); + CI->replaceAllUsesWith(NewCall); + CI->eraseFromParent(); +} + +void llvm::UpgradeCallsToIntrinsic(Function *F) { + assert(F && "Illegal attempt to upgrade a non-existent intrinsic."); + + // Check if this function should be upgraded and get the replacement function + // if there is one. + Function *NewFn; + if (UpgradeIntrinsicFunction(F, NewFn)) { + // Replace all users of the old function with the new function or new + // instructions. This is not a range loop because the call is deleted. + for (User *U : make_early_inc_range(F->users())) + if (CallInst *CI = dyn_cast<CallInst>(U)) + UpgradeIntrinsicCall(CI, NewFn); + + // Remove old function, no longer used, from the module. + F->eraseFromParent(); + } +} + +MDNode *llvm::UpgradeTBAANode(MDNode &MD) { + // Check if the tag uses struct-path aware TBAA format. + if (isa<MDNode>(MD.getOperand(0)) && MD.getNumOperands() >= 3) + return &MD; + + auto &Context = MD.getContext(); + if (MD.getNumOperands() == 3) { + Metadata *Elts[] = {MD.getOperand(0), MD.getOperand(1)}; + MDNode *ScalarType = MDNode::get(Context, Elts); + // Create a MDNode <ScalarType, ScalarType, offset 0, const> + Metadata *Elts2[] = {ScalarType, ScalarType, + ConstantAsMetadata::get( + Constant::getNullValue(Type::getInt64Ty(Context))), + MD.getOperand(2)}; + return MDNode::get(Context, Elts2); + } + // Create a MDNode <MD, MD, offset 0> + Metadata *Elts[] = {&MD, &MD, ConstantAsMetadata::get(Constant::getNullValue( + Type::getInt64Ty(Context)))}; + return MDNode::get(Context, Elts); +} + +Instruction *llvm::UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy, + Instruction *&Temp) { + if (Opc != Instruction::BitCast) + return nullptr; + + Temp = nullptr; + Type *SrcTy = V->getType(); + if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() && + SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) { + LLVMContext &Context = V->getContext(); + + // We have no information about target data layout, so we assume that + // the maximum pointer size is 64bit. + Type *MidTy = Type::getInt64Ty(Context); + Temp = CastInst::Create(Instruction::PtrToInt, V, MidTy); + + return CastInst::Create(Instruction::IntToPtr, Temp, DestTy); + } + + return nullptr; +} + +Value *llvm::UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy) { + if (Opc != Instruction::BitCast) + return nullptr; + + Type *SrcTy = C->getType(); + if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() && + SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) { + LLVMContext &Context = C->getContext(); + + // We have no information about target data layout, so we assume that + // the maximum pointer size is 64bit. + Type *MidTy = Type::getInt64Ty(Context); + + return ConstantExpr::getIntToPtr(ConstantExpr::getPtrToInt(C, MidTy), + DestTy); + } + + return nullptr; +} + +/// Check the debug info version number, if it is out-dated, drop the debug +/// info. Return true if module is modified. +bool llvm::UpgradeDebugInfo(Module &M) { + unsigned Version = getDebugMetadataVersionFromModule(M); + if (Version == DEBUG_METADATA_VERSION) { + bool BrokenDebugInfo = false; + if (verifyModule(M, &llvm::errs(), &BrokenDebugInfo)) + report_fatal_error("Broken module found, compilation aborted!"); + if (!BrokenDebugInfo) + // Everything is ok. + return false; + else { + // Diagnose malformed debug info. + DiagnosticInfoIgnoringInvalidDebugMetadata Diag(M); + M.getContext().diagnose(Diag); + } + } + bool Modified = StripDebugInfo(M); + if (Modified && Version != DEBUG_METADATA_VERSION) { + // Diagnose a version mismatch. + DiagnosticInfoDebugMetadataVersion DiagVersion(M, Version); + M.getContext().diagnose(DiagVersion); + } + return Modified; +} + +/// This checks for objc retain release marker which should be upgraded. It +/// returns true if module is modified. +static bool UpgradeRetainReleaseMarker(Module &M) { + bool Changed = false; + const char *MarkerKey = "clang.arc.retainAutoreleasedReturnValueMarker"; + NamedMDNode *ModRetainReleaseMarker = M.getNamedMetadata(MarkerKey); + if (ModRetainReleaseMarker) { + MDNode *Op = ModRetainReleaseMarker->getOperand(0); + if (Op) { + MDString *ID = dyn_cast_or_null<MDString>(Op->getOperand(0)); + if (ID) { + SmallVector<StringRef, 4> ValueComp; + ID->getString().split(ValueComp, "#"); + if (ValueComp.size() == 2) { + std::string NewValue = ValueComp[0].str() + ";" + ValueComp[1].str(); + ID = MDString::get(M.getContext(), NewValue); + } + M.addModuleFlag(Module::Error, MarkerKey, ID); + M.eraseNamedMetadata(ModRetainReleaseMarker); + Changed = true; + } + } + } + return Changed; +} + +void llvm::UpgradeARCRuntime(Module &M) { + // This lambda converts normal function calls to ARC runtime functions to + // intrinsic calls. + auto UpgradeToIntrinsic = [&](const char *OldFunc, + llvm::Intrinsic::ID IntrinsicFunc) { + Function *Fn = M.getFunction(OldFunc); + + if (!Fn) + return; + + Function *NewFn = llvm::Intrinsic::getDeclaration(&M, IntrinsicFunc); + + for (User *U : make_early_inc_range(Fn->users())) { + CallInst *CI = dyn_cast<CallInst>(U); + if (!CI || CI->getCalledFunction() != Fn) + continue; + + IRBuilder<> Builder(CI->getParent(), CI->getIterator()); + FunctionType *NewFuncTy = NewFn->getFunctionType(); + SmallVector<Value *, 2> Args; + + // Don't upgrade the intrinsic if it's not valid to bitcast the return + // value to the return type of the old function. + if (NewFuncTy->getReturnType() != CI->getType() && + !CastInst::castIsValid(Instruction::BitCast, CI, + NewFuncTy->getReturnType())) + continue; + + bool InvalidCast = false; + + for (unsigned I = 0, E = CI->getNumArgOperands(); I != E; ++I) { + Value *Arg = CI->getArgOperand(I); + + // Bitcast argument to the parameter type of the new function if it's + // not a variadic argument. + if (I < NewFuncTy->getNumParams()) { + // Don't upgrade the intrinsic if it's not valid to bitcast the argument + // to the parameter type of the new function. + if (!CastInst::castIsValid(Instruction::BitCast, Arg, + NewFuncTy->getParamType(I))) { + InvalidCast = true; + break; + } + Arg = Builder.CreateBitCast(Arg, NewFuncTy->getParamType(I)); + } + Args.push_back(Arg); + } + + if (InvalidCast) + continue; + + // Create a call instruction that calls the new function. + CallInst *NewCall = Builder.CreateCall(NewFuncTy, NewFn, Args); + NewCall->setTailCallKind(cast<CallInst>(CI)->getTailCallKind()); + NewCall->takeName(CI); + + // Bitcast the return value back to the type of the old call. + Value *NewRetVal = Builder.CreateBitCast(NewCall, CI->getType()); + + if (!CI->use_empty()) + CI->replaceAllUsesWith(NewRetVal); + CI->eraseFromParent(); + } + + if (Fn->use_empty()) + Fn->eraseFromParent(); + }; + + // Unconditionally convert a call to "clang.arc.use" to a call to + // "llvm.objc.clang.arc.use". + UpgradeToIntrinsic("clang.arc.use", llvm::Intrinsic::objc_clang_arc_use); + + // Upgrade the retain release marker. If there is no need to upgrade + // the marker, that means either the module is already new enough to contain + // new intrinsics or it is not ARC. There is no need to upgrade runtime call. + if (!UpgradeRetainReleaseMarker(M)) + return; + + std::pair<const char *, llvm::Intrinsic::ID> RuntimeFuncs[] = { + {"objc_autorelease", llvm::Intrinsic::objc_autorelease}, + {"objc_autoreleasePoolPop", llvm::Intrinsic::objc_autoreleasePoolPop}, + {"objc_autoreleasePoolPush", llvm::Intrinsic::objc_autoreleasePoolPush}, + {"objc_autoreleaseReturnValue", + llvm::Intrinsic::objc_autoreleaseReturnValue}, + {"objc_copyWeak", llvm::Intrinsic::objc_copyWeak}, + {"objc_destroyWeak", llvm::Intrinsic::objc_destroyWeak}, + {"objc_initWeak", llvm::Intrinsic::objc_initWeak}, + {"objc_loadWeak", llvm::Intrinsic::objc_loadWeak}, + {"objc_loadWeakRetained", llvm::Intrinsic::objc_loadWeakRetained}, + {"objc_moveWeak", llvm::Intrinsic::objc_moveWeak}, + {"objc_release", llvm::Intrinsic::objc_release}, + {"objc_retain", llvm::Intrinsic::objc_retain}, + {"objc_retainAutorelease", llvm::Intrinsic::objc_retainAutorelease}, + {"objc_retainAutoreleaseReturnValue", + llvm::Intrinsic::objc_retainAutoreleaseReturnValue}, + {"objc_retainAutoreleasedReturnValue", + llvm::Intrinsic::objc_retainAutoreleasedReturnValue}, + {"objc_retainBlock", llvm::Intrinsic::objc_retainBlock}, + {"objc_storeStrong", llvm::Intrinsic::objc_storeStrong}, + {"objc_storeWeak", llvm::Intrinsic::objc_storeWeak}, + {"objc_unsafeClaimAutoreleasedReturnValue", + llvm::Intrinsic::objc_unsafeClaimAutoreleasedReturnValue}, + {"objc_retainedObject", llvm::Intrinsic::objc_retainedObject}, + {"objc_unretainedObject", llvm::Intrinsic::objc_unretainedObject}, + {"objc_unretainedPointer", llvm::Intrinsic::objc_unretainedPointer}, + {"objc_retain_autorelease", llvm::Intrinsic::objc_retain_autorelease}, + {"objc_sync_enter", llvm::Intrinsic::objc_sync_enter}, + {"objc_sync_exit", llvm::Intrinsic::objc_sync_exit}, + {"objc_arc_annotation_topdown_bbstart", + llvm::Intrinsic::objc_arc_annotation_topdown_bbstart}, + {"objc_arc_annotation_topdown_bbend", + llvm::Intrinsic::objc_arc_annotation_topdown_bbend}, + {"objc_arc_annotation_bottomup_bbstart", + llvm::Intrinsic::objc_arc_annotation_bottomup_bbstart}, + {"objc_arc_annotation_bottomup_bbend", + llvm::Intrinsic::objc_arc_annotation_bottomup_bbend}}; + + for (auto &I : RuntimeFuncs) + UpgradeToIntrinsic(I.first, I.second); +} + +bool llvm::UpgradeModuleFlags(Module &M) { + NamedMDNode *ModFlags = M.getModuleFlagsMetadata(); + if (!ModFlags) + return false; + + bool HasObjCFlag = false, HasClassProperties = false, Changed = false; + bool HasSwiftVersionFlag = false; + uint8_t SwiftMajorVersion, SwiftMinorVersion; + uint32_t SwiftABIVersion; + auto Int8Ty = Type::getInt8Ty(M.getContext()); + auto Int32Ty = Type::getInt32Ty(M.getContext()); + + for (unsigned I = 0, E = ModFlags->getNumOperands(); I != E; ++I) { + MDNode *Op = ModFlags->getOperand(I); + if (Op->getNumOperands() != 3) + continue; + MDString *ID = dyn_cast_or_null<MDString>(Op->getOperand(1)); + if (!ID) + continue; + if (ID->getString() == "Objective-C Image Info Version") + HasObjCFlag = true; + if (ID->getString() == "Objective-C Class Properties") + HasClassProperties = true; + // Upgrade PIC/PIE Module Flags. The module flag behavior for these two + // field was Error and now they are Max. + if (ID->getString() == "PIC Level" || ID->getString() == "PIE Level") { + if (auto *Behavior = + mdconst::dyn_extract_or_null<ConstantInt>(Op->getOperand(0))) { + if (Behavior->getLimitedValue() == Module::Error) { + Type *Int32Ty = Type::getInt32Ty(M.getContext()); + Metadata *Ops[3] = { + ConstantAsMetadata::get(ConstantInt::get(Int32Ty, Module::Max)), + MDString::get(M.getContext(), ID->getString()), + Op->getOperand(2)}; + ModFlags->setOperand(I, MDNode::get(M.getContext(), Ops)); + Changed = true; + } + } + } + // Upgrade Objective-C Image Info Section. Removed the whitespce in the + // section name so that llvm-lto will not complain about mismatching + // module flags that is functionally the same. + if (ID->getString() == "Objective-C Image Info Section") { + if (auto *Value = dyn_cast_or_null<MDString>(Op->getOperand(2))) { + SmallVector<StringRef, 4> ValueComp; + Value->getString().split(ValueComp, " "); + if (ValueComp.size() != 1) { + std::string NewValue; + for (auto &S : ValueComp) + NewValue += S.str(); + Metadata *Ops[3] = {Op->getOperand(0), Op->getOperand(1), + MDString::get(M.getContext(), NewValue)}; + ModFlags->setOperand(I, MDNode::get(M.getContext(), Ops)); + Changed = true; + } + } + } + + // IRUpgrader turns a i32 type "Objective-C Garbage Collection" into i8 value. + // If the higher bits are set, it adds new module flag for swift info. + if (ID->getString() == "Objective-C Garbage Collection") { + auto Md = dyn_cast<ConstantAsMetadata>(Op->getOperand(2)); + if (Md) { + assert(Md->getValue() && "Expected non-empty metadata"); + auto Type = Md->getValue()->getType(); + if (Type == Int8Ty) + continue; + unsigned Val = Md->getValue()->getUniqueInteger().getZExtValue(); + if ((Val & 0xff) != Val) { + HasSwiftVersionFlag = true; + SwiftABIVersion = (Val & 0xff00) >> 8; + SwiftMajorVersion = (Val & 0xff000000) >> 24; + SwiftMinorVersion = (Val & 0xff0000) >> 16; + } + Metadata *Ops[3] = { + ConstantAsMetadata::get(ConstantInt::get(Int32Ty,Module::Error)), + Op->getOperand(1), + ConstantAsMetadata::get(ConstantInt::get(Int8Ty,Val & 0xff))}; + ModFlags->setOperand(I, MDNode::get(M.getContext(), Ops)); + Changed = true; + } + } + } + + // "Objective-C Class Properties" is recently added for Objective-C. We + // upgrade ObjC bitcodes to contain a "Objective-C Class Properties" module + // flag of value 0, so we can correclty downgrade this flag when trying to + // link an ObjC bitcode without this module flag with an ObjC bitcode with + // this module flag. + if (HasObjCFlag && !HasClassProperties) { + M.addModuleFlag(llvm::Module::Override, "Objective-C Class Properties", + (uint32_t)0); + Changed = true; + } + + if (HasSwiftVersionFlag) { + M.addModuleFlag(Module::Error, "Swift ABI Version", + SwiftABIVersion); + M.addModuleFlag(Module::Error, "Swift Major Version", + ConstantInt::get(Int8Ty, SwiftMajorVersion)); + M.addModuleFlag(Module::Error, "Swift Minor Version", + ConstantInt::get(Int8Ty, SwiftMinorVersion)); + Changed = true; + } + + return Changed; +} + +void llvm::UpgradeSectionAttributes(Module &M) { + auto TrimSpaces = [](StringRef Section) -> std::string { + SmallVector<StringRef, 5> Components; + Section.split(Components, ','); + + SmallString<32> Buffer; + raw_svector_ostream OS(Buffer); + + for (auto Component : Components) + OS << ',' << Component.trim(); + + return std::string(OS.str().substr(1)); + }; + + for (auto &GV : M.globals()) { + if (!GV.hasSection()) + continue; + + StringRef Section = GV.getSection(); + + if (!Section.startswith("__DATA, __objc_catlist")) + continue; + + // __DATA, __objc_catlist, regular, no_dead_strip + // __DATA,__objc_catlist,regular,no_dead_strip + GV.setSection(TrimSpaces(Section)); + } +} + +namespace { +// Prior to LLVM 10.0, the strictfp attribute could be used on individual +// callsites within a function that did not also have the strictfp attribute. +// Since 10.0, if strict FP semantics are needed within a function, the +// function must have the strictfp attribute and all calls within the function +// must also have the strictfp attribute. This latter restriction is +// necessary to prevent unwanted libcall simplification when a function is +// being cloned (such as for inlining). +// +// The "dangling" strictfp attribute usage was only used to prevent constant +// folding and other libcall simplification. The nobuiltin attribute on the +// callsite has the same effect. +struct StrictFPUpgradeVisitor : public InstVisitor<StrictFPUpgradeVisitor> { + StrictFPUpgradeVisitor() {} + + void visitCallBase(CallBase &Call) { + if (!Call.isStrictFP()) + return; + if (isa<ConstrainedFPIntrinsic>(&Call)) + return; + // If we get here, the caller doesn't have the strictfp attribute + // but this callsite does. Replace the strictfp attribute with nobuiltin. + Call.removeAttribute(AttributeList::FunctionIndex, Attribute::StrictFP); + Call.addAttribute(AttributeList::FunctionIndex, Attribute::NoBuiltin); + } +}; +} // namespace + +void llvm::UpgradeFunctionAttributes(Function &F) { + // If a function definition doesn't have the strictfp attribute, + // convert any callsite strictfp attributes to nobuiltin. + if (!F.isDeclaration() && !F.hasFnAttribute(Attribute::StrictFP)) { + StrictFPUpgradeVisitor SFPV; + SFPV.visit(F); + } + + if (F.getCallingConv() == CallingConv::X86_INTR && + !F.arg_empty() && !F.hasParamAttribute(0, Attribute::ByVal)) { + Type *ByValTy = cast<PointerType>(F.getArg(0)->getType())->getElementType(); + Attribute NewAttr = Attribute::getWithByValType(F.getContext(), ByValTy); + F.addParamAttr(0, NewAttr); + } +} + +static bool isOldLoopArgument(Metadata *MD) { + auto *T = dyn_cast_or_null<MDTuple>(MD); + if (!T) + return false; + if (T->getNumOperands() < 1) + return false; + auto *S = dyn_cast_or_null<MDString>(T->getOperand(0)); + if (!S) + return false; + return S->getString().startswith("llvm.vectorizer."); +} + +static MDString *upgradeLoopTag(LLVMContext &C, StringRef OldTag) { + StringRef OldPrefix = "llvm.vectorizer."; + assert(OldTag.startswith(OldPrefix) && "Expected old prefix"); + + if (OldTag == "llvm.vectorizer.unroll") + return MDString::get(C, "llvm.loop.interleave.count"); + + return MDString::get( + C, (Twine("llvm.loop.vectorize.") + OldTag.drop_front(OldPrefix.size())) + .str()); +} + +static Metadata *upgradeLoopArgument(Metadata *MD) { + auto *T = dyn_cast_or_null<MDTuple>(MD); + if (!T) + return MD; + if (T->getNumOperands() < 1) + return MD; + auto *OldTag = dyn_cast_or_null<MDString>(T->getOperand(0)); + if (!OldTag) + return MD; + if (!OldTag->getString().startswith("llvm.vectorizer.")) + return MD; + + // This has an old tag. Upgrade it. + SmallVector<Metadata *, 8> Ops; + Ops.reserve(T->getNumOperands()); + Ops.push_back(upgradeLoopTag(T->getContext(), OldTag->getString())); + for (unsigned I = 1, E = T->getNumOperands(); I != E; ++I) + Ops.push_back(T->getOperand(I)); + + return MDTuple::get(T->getContext(), Ops); +} + +MDNode *llvm::upgradeInstructionLoopAttachment(MDNode &N) { + auto *T = dyn_cast<MDTuple>(&N); + if (!T) + return &N; + + if (none_of(T->operands(), isOldLoopArgument)) + return &N; + + SmallVector<Metadata *, 8> Ops; + Ops.reserve(T->getNumOperands()); + for (Metadata *MD : T->operands()) + Ops.push_back(upgradeLoopArgument(MD)); + + return MDTuple::get(T->getContext(), Ops); +} + +std::string llvm::UpgradeDataLayoutString(StringRef DL, StringRef TT) { + Triple T(TT); + // For AMDGPU we uprgrade older DataLayouts to include the default globals + // address space of 1. + if (T.isAMDGPU() && !DL.contains("-G") && !DL.startswith("G")) { + return DL.empty() ? std::string("G1") : (DL + "-G1").str(); + } + + std::string AddrSpaces = "-p270:32:32-p271:32:32-p272:64:64"; + // If X86, and the datalayout matches the expected format, add pointer size + // address spaces to the datalayout. + if (!T.isX86() || DL.contains(AddrSpaces)) + return std::string(DL); + + SmallVector<StringRef, 4> Groups; + Regex R("(e-m:[a-z](-p:32:32)?)(-[if]64:.*$)"); + if (!R.match(DL, &Groups)) + return std::string(DL); + + return (Groups[1] + AddrSpaces + Groups[3]).str(); +} + +void llvm::UpgradeAttributes(AttrBuilder &B) { + StringRef FramePointer; + if (B.contains("no-frame-pointer-elim")) { + // The value can be "true" or "false". + for (const auto &I : B.td_attrs()) + if (I.first == "no-frame-pointer-elim") + FramePointer = I.second == "true" ? "all" : "none"; + B.removeAttribute("no-frame-pointer-elim"); + } + if (B.contains("no-frame-pointer-elim-non-leaf")) { + // The value is ignored. "no-frame-pointer-elim"="true" takes priority. + if (FramePointer != "all") + FramePointer = "non-leaf"; + B.removeAttribute("no-frame-pointer-elim-non-leaf"); + } + if (!FramePointer.empty()) + B.addAttribute("frame-pointer", FramePointer); + + if (B.contains("null-pointer-is-valid")) { + // The value can be "true" or "false". + bool NullPointerIsValid = false; + for (const auto &I : B.td_attrs()) + if (I.first == "null-pointer-is-valid") + NullPointerIsValid = I.second == "true"; + B.removeAttribute("null-pointer-is-valid"); + if (NullPointerIsValid) + B.addAttribute(Attribute::NullPointerIsValid); + } +} |