YDB Import 559

1 files changed, 0 insertions, 908 deletions

diff --git a/contrib/libs/llvm12/utils/TableGen/CodeGenTarget.cpp b/contrib/libs/llvm12/utils/TableGen/CodeGenTarget.cpp
deleted file mode 100644
index 8f6d212df5e..00000000000
--- a/contrib/libs/llvm12/utils/TableGen/CodeGenTarget.cpp
+++ /dev/null
@@ -1,908 +0,0 @@
-//===- CodeGenTarget.cpp - CodeGen Target Class Wrapper -------------------===//
-//
-// 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 class wraps target description classes used by the various code
-// generation TableGen backends.  This makes it easier to access the data and
-// provides a single place that needs to check it for validity.  All of these
-// classes abort on error conditions.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CodeGenTarget.h"
-#include "CodeGenDAGPatterns.h"
-#include "CodeGenIntrinsics.h"
-#include "CodeGenSchedule.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/TableGen/Error.h"
-#include "llvm/TableGen/Record.h"
-#include "llvm/TableGen/TableGenBackend.h"
-#include <algorithm>
-using namespace llvm;
-
-cl::OptionCategory AsmParserCat("Options for -gen-asm-parser");
-cl::OptionCategory AsmWriterCat("Options for -gen-asm-writer");
-
-static cl::opt<unsigned>
-    AsmParserNum("asmparsernum", cl::init(0),
-                 cl::desc("Make -gen-asm-parser emit assembly parser #N"),
-                 cl::cat(AsmParserCat));
-
-static cl::opt<unsigned>
-    AsmWriterNum("asmwriternum", cl::init(0),
-                 cl::desc("Make -gen-asm-writer emit assembly writer #N"),
-                 cl::cat(AsmWriterCat));
-
-/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
-/// record corresponds to.
-MVT::SimpleValueType llvm::getValueType(Record *Rec) {
-  return (MVT::SimpleValueType)Rec->getValueAsInt("Value");
-}
-
-StringRef llvm::getName(MVT::SimpleValueType T) {
-  switch (T) {
-  case MVT::Other:   return "UNKNOWN";
-  case MVT::iPTR:    return "TLI.getPointerTy()";
-  case MVT::iPTRAny: return "TLI.getPointerTy()";
-  default: return getEnumName(T);
-  }
-}
-
-StringRef llvm::getEnumName(MVT::SimpleValueType T) {
-  switch (T) {
-  case MVT::Other:    return "MVT::Other";
-  case MVT::i1:       return "MVT::i1";
-  case MVT::i8:       return "MVT::i8";
-  case MVT::i16:      return "MVT::i16";
-  case MVT::i32:      return "MVT::i32";
-  case MVT::i64:      return "MVT::i64";
-  case MVT::i128:     return "MVT::i128";
-  case MVT::Any:      return "MVT::Any";
-  case MVT::iAny:     return "MVT::iAny";
-  case MVT::fAny:     return "MVT::fAny";
-  case MVT::vAny:     return "MVT::vAny";
-  case MVT::f16:      return "MVT::f16";
-  case MVT::bf16:     return "MVT::bf16";
-  case MVT::f32:      return "MVT::f32";
-  case MVT::f64:      return "MVT::f64";
-  case MVT::f80:      return "MVT::f80";
-  case MVT::f128:     return "MVT::f128";
-  case MVT::ppcf128:  return "MVT::ppcf128";
-  case MVT::x86mmx:   return "MVT::x86mmx";
-  case MVT::x86amx:   return "MVT::x86amx";
-  case MVT::Glue:     return "MVT::Glue";
-  case MVT::isVoid:   return "MVT::isVoid";
-  case MVT::v1i1:     return "MVT::v1i1";
-  case MVT::v2i1:     return "MVT::v2i1";
-  case MVT::v4i1:     return "MVT::v4i1";
-  case MVT::v8i1:     return "MVT::v8i1";
-  case MVT::v16i1:    return "MVT::v16i1";
-  case MVT::v32i1:    return "MVT::v32i1";
-  case MVT::v64i1:    return "MVT::v64i1";
-  case MVT::v128i1:   return "MVT::v128i1";
-  case MVT::v256i1:   return "MVT::v256i1";
-  case MVT::v512i1:   return "MVT::v512i1";
-  case MVT::v1024i1:  return "MVT::v1024i1";
-  case MVT::v1i8:     return "MVT::v1i8";
-  case MVT::v2i8:     return "MVT::v2i8";
-  case MVT::v4i8:     return "MVT::v4i8";
-  case MVT::v8i8:     return "MVT::v8i8";
-  case MVT::v16i8:    return "MVT::v16i8";
-  case MVT::v32i8:    return "MVT::v32i8";
-  case MVT::v64i8:    return "MVT::v64i8";
-  case MVT::v128i8:   return "MVT::v128i8";
-  case MVT::v256i8:   return "MVT::v256i8";
-  case MVT::v1i16:    return "MVT::v1i16";
-  case MVT::v2i16:    return "MVT::v2i16";
-  case MVT::v3i16:    return "MVT::v3i16";
-  case MVT::v4i16:    return "MVT::v4i16";
-  case MVT::v8i16:    return "MVT::v8i16";
-  case MVT::v16i16:   return "MVT::v16i16";
-  case MVT::v32i16:   return "MVT::v32i16";
-  case MVT::v64i16:   return "MVT::v64i16";
-  case MVT::v128i16:  return "MVT::v128i16";
-  case MVT::v1i32:    return "MVT::v1i32";
-  case MVT::v2i32:    return "MVT::v2i32";
-  case MVT::v3i32:    return "MVT::v3i32";
-  case MVT::v4i32:    return "MVT::v4i32";
-  case MVT::v5i32:    return "MVT::v5i32";
-  case MVT::v8i32:    return "MVT::v8i32";
-  case MVT::v16i32:   return "MVT::v16i32";
-  case MVT::v32i32:   return "MVT::v32i32";
-  case MVT::v64i32:   return "MVT::v64i32";
-  case MVT::v128i32:  return "MVT::v128i32";
-  case MVT::v256i32:  return "MVT::v256i32";
-  case MVT::v512i32:  return "MVT::v512i32";
-  case MVT::v1024i32: return "MVT::v1024i32";
-  case MVT::v2048i32: return "MVT::v2048i32";
-  case MVT::v1i64:    return "MVT::v1i64";
-  case MVT::v2i64:    return "MVT::v2i64";
-  case MVT::v4i64:    return "MVT::v4i64";
-  case MVT::v8i64:    return "MVT::v8i64";
-  case MVT::v16i64:   return "MVT::v16i64";
-  case MVT::v32i64:   return "MVT::v32i64";
-  case MVT::v64i64:   return "MVT::v64i64";
-  case MVT::v128i64:  return "MVT::v128i64";
-  case MVT::v256i64:  return "MVT::v256i64";
-  case MVT::v1i128:   return "MVT::v1i128";
-  case MVT::v2f16:    return "MVT::v2f16";
-  case MVT::v3f16:    return "MVT::v3f16";
-  case MVT::v4f16:    return "MVT::v4f16";
-  case MVT::v8f16:    return "MVT::v8f16";
-  case MVT::v16f16:   return "MVT::v16f16";
-  case MVT::v32f16:   return "MVT::v32f16";
-  case MVT::v64f16:   return "MVT::v64f16";
-  case MVT::v128f16:  return "MVT::v128f16";
-  case MVT::v2bf16:   return "MVT::v2bf16";
-  case MVT::v3bf16:   return "MVT::v3bf16";
-  case MVT::v4bf16:   return "MVT::v4bf16";
-  case MVT::v8bf16:   return "MVT::v8bf16";
-  case MVT::v16bf16:  return "MVT::v16bf16";
-  case MVT::v32bf16:  return "MVT::v32bf16";
-  case MVT::v64bf16:  return "MVT::v64bf16";
-  case MVT::v128bf16: return "MVT::v128bf16";
-  case MVT::v1f32:    return "MVT::v1f32";
-  case MVT::v2f32:    return "MVT::v2f32";
-  case MVT::v3f32:    return "MVT::v3f32";
-  case MVT::v4f32:    return "MVT::v4f32";
-  case MVT::v5f32:    return "MVT::v5f32";
-  case MVT::v8f32:    return "MVT::v8f32";
-  case MVT::v16f32:   return "MVT::v16f32";
-  case MVT::v32f32:   return "MVT::v32f32";
-  case MVT::v64f32:   return "MVT::v64f32";
-  case MVT::v128f32:  return "MVT::v128f32";
-  case MVT::v256f32:  return "MVT::v256f32";
-  case MVT::v512f32:  return "MVT::v512f32";
-  case MVT::v1024f32: return "MVT::v1024f32";
-  case MVT::v2048f32: return "MVT::v2048f32";
-  case MVT::v1f64:    return "MVT::v1f64";
-  case MVT::v2f64:    return "MVT::v2f64";
-  case MVT::v4f64:    return "MVT::v4f64";
-  case MVT::v8f64:    return "MVT::v8f64";
-  case MVT::v16f64:   return "MVT::v16f64";
-  case MVT::v32f64:   return "MVT::v32f64";
-  case MVT::v64f64:   return "MVT::v64f64";
-  case MVT::v128f64:  return "MVT::v128f64";
-  case MVT::v256f64:  return "MVT::v256f64";
-  case MVT::nxv1i1:   return "MVT::nxv1i1";
-  case MVT::nxv2i1:   return "MVT::nxv2i1";
-  case MVT::nxv4i1:   return "MVT::nxv4i1";
-  case MVT::nxv8i1:   return "MVT::nxv8i1";
-  case MVT::nxv16i1:  return "MVT::nxv16i1";
-  case MVT::nxv32i1:  return "MVT::nxv32i1";
-  case MVT::nxv64i1:  return "MVT::nxv64i1";
-  case MVT::nxv1i8:   return "MVT::nxv1i8";
-  case MVT::nxv2i8:   return "MVT::nxv2i8";
-  case MVT::nxv4i8:   return "MVT::nxv4i8";
-  case MVT::nxv8i8:   return "MVT::nxv8i8";
-  case MVT::nxv16i8:  return "MVT::nxv16i8";
-  case MVT::nxv32i8:  return "MVT::nxv32i8";
-  case MVT::nxv64i8:  return "MVT::nxv64i8";
-  case MVT::nxv1i16:  return "MVT::nxv1i16";
-  case MVT::nxv2i16:  return "MVT::nxv2i16";
-  case MVT::nxv4i16:  return "MVT::nxv4i16";
-  case MVT::nxv8i16:  return "MVT::nxv8i16";
-  case MVT::nxv16i16: return "MVT::nxv16i16";
-  case MVT::nxv32i16: return "MVT::nxv32i16";
-  case MVT::nxv1i32:  return "MVT::nxv1i32";
-  case MVT::nxv2i32:  return "MVT::nxv2i32";
-  case MVT::nxv4i32:  return "MVT::nxv4i32";
-  case MVT::nxv8i32:  return "MVT::nxv8i32";
-  case MVT::nxv16i32: return "MVT::nxv16i32";
-  case MVT::nxv32i32: return "MVT::nxv32i32";
-  case MVT::nxv1i64:  return "MVT::nxv1i64";
-  case MVT::nxv2i64:  return "MVT::nxv2i64";
-  case MVT::nxv4i64:  return "MVT::nxv4i64";
-  case MVT::nxv8i64:  return "MVT::nxv8i64";
-  case MVT::nxv16i64: return "MVT::nxv16i64";
-  case MVT::nxv32i64: return "MVT::nxv32i64";
-  case MVT::nxv1f16:  return "MVT::nxv1f16";
-  case MVT::nxv2f16:  return "MVT::nxv2f16";
-  case MVT::nxv4f16:  return "MVT::nxv4f16";
-  case MVT::nxv8f16:  return "MVT::nxv8f16";
-  case MVT::nxv16f16: return "MVT::nxv16f16";
-  case MVT::nxv32f16: return "MVT::nxv32f16";
-  case MVT::nxv2bf16:  return "MVT::nxv2bf16";
-  case MVT::nxv4bf16:  return "MVT::nxv4bf16";
-  case MVT::nxv8bf16:  return "MVT::nxv8bf16";
-  case MVT::nxv1f32:   return "MVT::nxv1f32";
-  case MVT::nxv2f32:   return "MVT::nxv2f32";
-  case MVT::nxv4f32:   return "MVT::nxv4f32";
-  case MVT::nxv8f32:   return "MVT::nxv8f32";
-  case MVT::nxv16f32:  return "MVT::nxv16f32";
-  case MVT::nxv1f64:   return "MVT::nxv1f64";
-  case MVT::nxv2f64:   return "MVT::nxv2f64";
-  case MVT::nxv4f64:   return "MVT::nxv4f64";
-  case MVT::nxv8f64:   return "MVT::nxv8f64";
-  case MVT::token:     return "MVT::token";
-  case MVT::Metadata:  return "MVT::Metadata";
-  case MVT::iPTR:      return "MVT::iPTR";
-  case MVT::iPTRAny:   return "MVT::iPTRAny";
-  case MVT::Untyped:   return "MVT::Untyped";
-  case MVT::funcref:   return "MVT::funcref";
-  case MVT::externref: return "MVT::externref";
-  default: llvm_unreachable("ILLEGAL VALUE TYPE!");
-  }
-}
-
-/// getQualifiedName - Return the name of the specified record, with a
-/// namespace qualifier if the record contains one.
-///
-std::string llvm::getQualifiedName(const Record *R) {
-  std::string Namespace;
-  if (R->getValue("Namespace"))
-    Namespace = std::string(R->getValueAsString("Namespace"));
-  if (Namespace.empty())
-    return std::string(R->getName());
-  return Namespace + "::" + R->getName().str();
-}
-
-
-/// getTarget - Return the current instance of the Target class.
-///
-CodeGenTarget::CodeGenTarget(RecordKeeper &records)
-  : Records(records), CGH(records) {
-  std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
-  if (Targets.size() == 0)
-    PrintFatalError("ERROR: No 'Target' subclasses defined!");
-  if (Targets.size() != 1)
-    PrintFatalError("ERROR: Multiple subclasses of Target defined!");
-  TargetRec = Targets[0];
-}
-
-CodeGenTarget::~CodeGenTarget() {
-}
-
-StringRef CodeGenTarget::getName() const { return TargetRec->getName(); }
-
-/// getInstNamespace - Find and return the target machine's instruction
-/// namespace. The namespace is cached because it is requested multiple times.
-StringRef CodeGenTarget::getInstNamespace() const {
-  if (InstNamespace.empty()) {
-    for (const CodeGenInstruction *Inst : getInstructionsByEnumValue()) {
-      // We are not interested in the "TargetOpcode" namespace.
-      if (Inst->Namespace != "TargetOpcode") {
-        InstNamespace = Inst->Namespace;
-        break;
-      }
-    }
-  }
-
-  return InstNamespace;
-}
-
-StringRef CodeGenTarget::getRegNamespace() const {
-  auto &RegClasses = RegBank->getRegClasses();
-  return RegClasses.size() > 0 ? RegClasses.front().Namespace : "";
-}
-
-Record *CodeGenTarget::getInstructionSet() const {
-  return TargetRec->getValueAsDef("InstructionSet");
-}
-
-bool CodeGenTarget::getAllowRegisterRenaming() const {
-  return TargetRec->getValueAsInt("AllowRegisterRenaming");
-}
-
-/// getAsmParser - Return the AssemblyParser definition for this target.
-///
-Record *CodeGenTarget::getAsmParser() const {
-  std::vector<Record*> LI = TargetRec->getValueAsListOfDefs("AssemblyParsers");
-  if (AsmParserNum >= LI.size())
-    PrintFatalError("Target does not have an AsmParser #" +
-                    Twine(AsmParserNum) + "!");
-  return LI[AsmParserNum];
-}
-
-/// getAsmParserVariant - Return the AssemblyParserVariant definition for
-/// this target.
-///
-Record *CodeGenTarget::getAsmParserVariant(unsigned i) const {
-  std::vector<Record*> LI =
-    TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
-  if (i >= LI.size())
-    PrintFatalError("Target does not have an AsmParserVariant #" + Twine(i) +
-                    "!");
-  return LI[i];
-}
-
-/// getAsmParserVariantCount - Return the AssemblyParserVariant definition
-/// available for this target.
-///
-unsigned CodeGenTarget::getAsmParserVariantCount() const {
-  std::vector<Record*> LI =
-    TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
-  return LI.size();
-}
-
-/// getAsmWriter - Return the AssemblyWriter definition for this target.
-///
-Record *CodeGenTarget::getAsmWriter() const {
-  std::vector<Record*> LI = TargetRec->getValueAsListOfDefs("AssemblyWriters");
-  if (AsmWriterNum >= LI.size())
-    PrintFatalError("Target does not have an AsmWriter #" +
-                    Twine(AsmWriterNum) + "!");
-  return LI[AsmWriterNum];
-}
-
-CodeGenRegBank &CodeGenTarget::getRegBank() const {
-  if (!RegBank)
-    RegBank = std::make_unique<CodeGenRegBank>(Records, getHwModes());
-  return *RegBank;
-}
-
-Optional<CodeGenRegisterClass *>
-CodeGenTarget::getSuperRegForSubReg(const ValueTypeByHwMode &ValueTy,
-                                    CodeGenRegBank &RegBank,
-                                    const CodeGenSubRegIndex *SubIdx,
-                                    bool MustBeAllocatable) const {
-  std::vector<CodeGenRegisterClass *> Candidates;
-  auto &RegClasses = RegBank.getRegClasses();
-
-  // Try to find a register class which supports ValueTy, and also contains
-  // SubIdx.
-  for (CodeGenRegisterClass &RC : RegClasses) {
-    // Is there a subclass of this class which contains this subregister index?
-    CodeGenRegisterClass *SubClassWithSubReg = RC.getSubClassWithSubReg(SubIdx);
-    if (!SubClassWithSubReg)
-      continue;
-
-    // We have a class. Check if it supports this value type.
-    if (!llvm::is_contained(SubClassWithSubReg->VTs, ValueTy))
-      continue;
-
-    // If necessary, check that it is allocatable.
-    if (MustBeAllocatable && !SubClassWithSubReg->Allocatable)
-      continue;
-
-    // We have a register class which supports both the value type and
-    // subregister index. Remember it.
-    Candidates.push_back(SubClassWithSubReg);
-  }
-
-  // If we didn't find anything, we're done.
-  if (Candidates.empty())
-    return None;
-
-  // Find and return the largest of our candidate classes.
-  llvm::stable_sort(Candidates, [&](const CodeGenRegisterClass *A,
-                                    const CodeGenRegisterClass *B) {
-    if (A->getMembers().size() > B->getMembers().size())
-      return true;
-
-    if (A->getMembers().size() < B->getMembers().size())
-      return false;
-
-    // Order by name as a tie-breaker.
-    return StringRef(A->getName()) < B->getName();
-  });
-
-  return Candidates[0];
-}
-
-void CodeGenTarget::ReadRegAltNameIndices() const {
-  RegAltNameIndices = Records.getAllDerivedDefinitions("RegAltNameIndex");
-  llvm::sort(RegAltNameIndices, LessRecord());
-}
-
-/// getRegisterByName - If there is a register with the specific AsmName,
-/// return it.
-const CodeGenRegister *CodeGenTarget::getRegisterByName(StringRef Name) const {
-  return getRegBank().getRegistersByName().lookup(Name);
-}
-
-std::vector<ValueTypeByHwMode> CodeGenTarget::getRegisterVTs(Record *R)
-      const {
-  const CodeGenRegister *Reg = getRegBank().getReg(R);
-  std::vector<ValueTypeByHwMode> Result;
-  for (const auto &RC : getRegBank().getRegClasses()) {
-    if (RC.contains(Reg)) {
-      ArrayRef<ValueTypeByHwMode> InVTs = RC.getValueTypes();
-      llvm::append_range(Result, InVTs);
-    }
-  }
-
-  // Remove duplicates.
-  llvm::sort(Result);
-  Result.erase(std::unique(Result.begin(), Result.end()), Result.end());
-  return Result;
-}
-
-
-void CodeGenTarget::ReadLegalValueTypes() const {
-  for (const auto &RC : getRegBank().getRegClasses())
-    llvm::append_range(LegalValueTypes, RC.VTs);
-
-  // Remove duplicates.
-  llvm::sort(LegalValueTypes);
-  LegalValueTypes.erase(std::unique(LegalValueTypes.begin(),
-                                    LegalValueTypes.end()),
-                        LegalValueTypes.end());
-}
-
-CodeGenSchedModels &CodeGenTarget::getSchedModels() const {
-  if (!SchedModels)
-    SchedModels = std::make_unique<CodeGenSchedModels>(Records, *this);
-  return *SchedModels;
-}
-
-void CodeGenTarget::ReadInstructions() const {
-  std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
-  if (Insts.size() <= 2)
-    PrintFatalError("No 'Instruction' subclasses defined!");
-
-  // Parse the instructions defined in the .td file.
-  for (unsigned i = 0, e = Insts.size(); i != e; ++i)
-    Instructions[Insts[i]] = std::make_unique<CodeGenInstruction>(Insts[i]);
-}
-
-static const CodeGenInstruction *
-GetInstByName(const char *Name,
-              const DenseMap<const Record*,
-                             std::unique_ptr<CodeGenInstruction>> &Insts,
-              RecordKeeper &Records) {
-  const Record *Rec = Records.getDef(Name);
-
-  const auto I = Insts.find(Rec);
-  if (!Rec || I == Insts.end())
-    PrintFatalError(Twine("Could not find '") + Name + "' instruction!");
-  return I->second.get();
-}
-
-static const char *const FixedInstrs[] = {
-#define HANDLE_TARGET_OPCODE(OPC) #OPC,
-#include "llvm/Support/TargetOpcodes.def"
-    nullptr};
-
-unsigned CodeGenTarget::getNumFixedInstructions() {
-  return array_lengthof(FixedInstrs) - 1;
-}
-
-/// Return all of the instructions defined by the target, ordered by
-/// their enum value.
-void CodeGenTarget::ComputeInstrsByEnum() const {
-  const auto &Insts = getInstructions();
-  for (const char *const *p = FixedInstrs; *p; ++p) {
-    const CodeGenInstruction *Instr = GetInstByName(*p, Insts, Records);
-    assert(Instr && "Missing target independent instruction");
-    assert(Instr->Namespace == "TargetOpcode" && "Bad namespace");
-    InstrsByEnum.push_back(Instr);
-  }
-  unsigned EndOfPredefines = InstrsByEnum.size();
-  assert(EndOfPredefines == getNumFixedInstructions() &&
-         "Missing generic opcode");
-
-  for (const auto &I : Insts) {
-    const CodeGenInstruction *CGI = I.second.get();
-    if (CGI->Namespace != "TargetOpcode") {
-      InstrsByEnum.push_back(CGI);
-      if (CGI->TheDef->getValueAsBit("isPseudo"))
-        ++NumPseudoInstructions;
-    }
-  }
-
-  assert(InstrsByEnum.size() == Insts.size() && "Missing predefined instr");
-
-  // All of the instructions are now in random order based on the map iteration.
-  llvm::sort(
-      InstrsByEnum.begin() + EndOfPredefines, InstrsByEnum.end(),
-      [](const CodeGenInstruction *Rec1, const CodeGenInstruction *Rec2) {
-        const auto &D1 = *Rec1->TheDef;
-        const auto &D2 = *Rec2->TheDef;
-        return std::make_tuple(!D1.getValueAsBit("isPseudo"), D1.getName()) <
-               std::make_tuple(!D2.getValueAsBit("isPseudo"), D2.getName());
-      });
-}
-
-
-/// isLittleEndianEncoding - Return whether this target encodes its instruction
-/// in little-endian format, i.e. bits laid out in the order [0..n]
-///
-bool CodeGenTarget::isLittleEndianEncoding() const {
-  return getInstructionSet()->getValueAsBit("isLittleEndianEncoding");
-}
-
-/// reverseBitsForLittleEndianEncoding - For little-endian instruction bit
-/// encodings, reverse the bit order of all instructions.
-void CodeGenTarget::reverseBitsForLittleEndianEncoding() {
-  if (!isLittleEndianEncoding())
-    return;
-
-  std::vector<Record *> Insts =
-      Records.getAllDerivedDefinitions("InstructionEncoding");
-  for (Record *R : Insts) {
-    if (R->getValueAsString("Namespace") == "TargetOpcode" ||
-        R->getValueAsBit("isPseudo"))
-      continue;
-
-    BitsInit *BI = R->getValueAsBitsInit("Inst");
-
-    unsigned numBits = BI->getNumBits();
-
-    SmallVector<Init *, 16> NewBits(numBits);
-
-    for (unsigned bit = 0, end = numBits / 2; bit != end; ++bit) {
-      unsigned bitSwapIdx = numBits - bit - 1;
-      Init *OrigBit = BI->getBit(bit);
-      Init *BitSwap = BI->getBit(bitSwapIdx);
-      NewBits[bit]        = BitSwap;
-      NewBits[bitSwapIdx] = OrigBit;
-    }
-    if (numBits % 2) {
-      unsigned middle = (numBits + 1) / 2;
-      NewBits[middle] = BI->getBit(middle);
-    }
-
-    BitsInit *NewBI = BitsInit::get(NewBits);
-
-    // Update the bits in reversed order so that emitInstrOpBits will get the
-    // correct endianness.
-    R->getValue("Inst")->setValue(NewBI);
-  }
-}
-
-/// guessInstructionProperties - Return true if it's OK to guess instruction
-/// properties instead of raising an error.
-///
-/// This is configurable as a temporary migration aid. It will eventually be
-/// permanently false.
-bool CodeGenTarget::guessInstructionProperties() const {
-  return getInstructionSet()->getValueAsBit("guessInstructionProperties");
-}
-
-//===----------------------------------------------------------------------===//
-// ComplexPattern implementation
-//
-ComplexPattern::ComplexPattern(Record *R) {
-  Ty          = ::getValueType(R->getValueAsDef("Ty"));
-  NumOperands = R->getValueAsInt("NumOperands");
-  SelectFunc = std::string(R->getValueAsString("SelectFunc"));
-  RootNodes   = R->getValueAsListOfDefs("RootNodes");
-
-  // FIXME: This is a hack to statically increase the priority of patterns which
-  // maps a sub-dag to a complex pattern. e.g. favors LEA over ADD. To get best
-  // possible pattern match we'll need to dynamically calculate the complexity
-  // of all patterns a dag can potentially map to.
-  int64_t RawComplexity = R->getValueAsInt("Complexity");
-  if (RawComplexity == -1)
-    Complexity = NumOperands * 3;
-  else
-    Complexity = RawComplexity;
-
-  // FIXME: Why is this different from parseSDPatternOperatorProperties?
-  // Parse the properties.
-  Properties = 0;
-  std::vector<Record*> PropList = R->getValueAsListOfDefs("Properties");
-  for (unsigned i = 0, e = PropList.size(); i != e; ++i)
-    if (PropList[i]->getName() == "SDNPHasChain") {
-      Properties |= 1 << SDNPHasChain;
-    } else if (PropList[i]->getName() == "SDNPOptInGlue") {
-      Properties |= 1 << SDNPOptInGlue;
-    } else if (PropList[i]->getName() == "SDNPMayStore") {
-      Properties |= 1 << SDNPMayStore;
-    } else if (PropList[i]->getName() == "SDNPMayLoad") {
-      Properties |= 1 << SDNPMayLoad;
-    } else if (PropList[i]->getName() == "SDNPSideEffect") {
-      Properties |= 1 << SDNPSideEffect;
-    } else if (PropList[i]->getName() == "SDNPMemOperand") {
-      Properties |= 1 << SDNPMemOperand;
-    } else if (PropList[i]->getName() == "SDNPVariadic") {
-      Properties |= 1 << SDNPVariadic;
-    } else if (PropList[i]->getName() == "SDNPWantRoot") {
-      Properties |= 1 << SDNPWantRoot;
-    } else if (PropList[i]->getName() == "SDNPWantParent") {
-      Properties |= 1 << SDNPWantParent;
-    } else {
-      PrintFatalError(R->getLoc(), "Unsupported SD Node property '" +
-                                       PropList[i]->getName() +
-                                       "' on ComplexPattern '" + R->getName() +
-                                       "'!");
-    }
-}
-
-//===----------------------------------------------------------------------===//
-// CodeGenIntrinsic Implementation
-//===----------------------------------------------------------------------===//
-
-CodeGenIntrinsicTable::CodeGenIntrinsicTable(const RecordKeeper &RC) {
-  std::vector<Record *> IntrProperties =
-      RC.getAllDerivedDefinitions("IntrinsicProperty");
-
-  std::vector<Record *> DefaultProperties;
-  for (Record *Rec : IntrProperties)
-    if (Rec->getValueAsBit("IsDefault"))
-      DefaultProperties.push_back(Rec);
-
-  std::vector<Record *> Defs = RC.getAllDerivedDefinitions("Intrinsic");
-  Intrinsics.reserve(Defs.size());
-
-  for (unsigned I = 0, e = Defs.size(); I != e; ++I)
-    Intrinsics.push_back(CodeGenIntrinsic(Defs[I], DefaultProperties));
-
-  llvm::sort(Intrinsics,
-             [](const CodeGenIntrinsic &LHS, const CodeGenIntrinsic &RHS) {
-               return std::tie(LHS.TargetPrefix, LHS.Name) <
-                      std::tie(RHS.TargetPrefix, RHS.Name);
-             });
-  Targets.push_back({"", 0, 0});
-  for (size_t I = 0, E = Intrinsics.size(); I < E; ++I)
-    if (Intrinsics[I].TargetPrefix != Targets.back().Name) {
-      Targets.back().Count = I - Targets.back().Offset;
-      Targets.push_back({Intrinsics[I].TargetPrefix, I, 0});
-    }
-  Targets.back().Count = Intrinsics.size() - Targets.back().Offset;
-}
-
-CodeGenIntrinsic::CodeGenIntrinsic(Record *R,
-                                   std::vector<Record *> DefaultProperties) {
-  TheDef = R;
-  std::string DefName = std::string(R->getName());
-  ArrayRef<SMLoc> DefLoc = R->getLoc();
-  ModRef = ReadWriteMem;
-  Properties = 0;
-  isOverloaded = false;
-  isCommutative = false;
-  canThrow = false;
-  isNoReturn = false;
-  isNoSync = false;
-  isNoFree = false;
-  isWillReturn = false;
-  isCold = false;
-  isNoDuplicate = false;
-  isConvergent = false;
-  isSpeculatable = false;
-  hasSideEffects = false;
-
-  if (DefName.size() <= 4 ||
-      std::string(DefName.begin(), DefName.begin() + 4) != "int_")
-    PrintFatalError(DefLoc,
-                    "Intrinsic '" + DefName + "' does not start with 'int_'!");
-
-  EnumName = std::string(DefName.begin()+4, DefName.end());
-
-  if (R->getValue("GCCBuiltinName"))  // Ignore a missing GCCBuiltinName field.
-    GCCBuiltinName = std::string(R->getValueAsString("GCCBuiltinName"));
-  if (R->getValue("MSBuiltinName"))   // Ignore a missing MSBuiltinName field.
-    MSBuiltinName = std::string(R->getValueAsString("MSBuiltinName"));
-
-  TargetPrefix = std::string(R->getValueAsString("TargetPrefix"));
-  Name = std::string(R->getValueAsString("LLVMName"));
-
-  if (Name == "") {
-    // If an explicit name isn't specified, derive one from the DefName.
-    Name = "llvm.";
-
-    for (unsigned i = 0, e = EnumName.size(); i != e; ++i)
-      Name += (EnumName[i] == '_') ? '.' : EnumName[i];
-  } else {
-    // Verify it starts with "llvm.".
-    if (Name.size() <= 5 ||
-        std::string(Name.begin(), Name.begin() + 5) != "llvm.")
-      PrintFatalError(DefLoc, "Intrinsic '" + DefName +
-                                  "'s name does not start with 'llvm.'!");
-  }
-
-  // If TargetPrefix is specified, make sure that Name starts with
-  // "llvm.<targetprefix>.".
-  if (!TargetPrefix.empty()) {
-    if (Name.size() < 6+TargetPrefix.size() ||
-        std::string(Name.begin() + 5, Name.begin() + 6 + TargetPrefix.size())
-        != (TargetPrefix + "."))
-      PrintFatalError(DefLoc, "Intrinsic '" + DefName +
-                                  "' does not start with 'llvm." +
-                                  TargetPrefix + ".'!");
-  }
-
-  ListInit *RetTypes = R->getValueAsListInit("RetTypes");
-  ListInit *ParamTypes = R->getValueAsListInit("ParamTypes");
-
-  // First collate a list of overloaded types.
-  std::vector<MVT::SimpleValueType> OverloadedVTs;
-  for (ListInit *TypeList : {RetTypes, ParamTypes}) {
-    for (unsigned i = 0, e = TypeList->size(); i != e; ++i) {
-      Record *TyEl = TypeList->getElementAsRecord(i);
-      assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
-
-      if (TyEl->isSubClassOf("LLVMMatchType"))
-        continue;
-
-      MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT"));
-      if (MVT(VT).isOverloaded()) {
-        OverloadedVTs.push_back(VT);
-        isOverloaded = true;
-      }
-    }
-  }
-
-  // Parse the list of return types.
-  ListInit *TypeList = RetTypes;
-  for (unsigned i = 0, e = TypeList->size(); i != e; ++i) {
-    Record *TyEl = TypeList->getElementAsRecord(i);
-    assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
-    MVT::SimpleValueType VT;
-    if (TyEl->isSubClassOf("LLVMMatchType")) {
-      unsigned MatchTy = TyEl->getValueAsInt("Number");
-      assert(MatchTy < OverloadedVTs.size() &&
-             "Invalid matching number!");
-      VT = OverloadedVTs[MatchTy];
-      // It only makes sense to use the extended and truncated vector element
-      // variants with iAny types; otherwise, if the intrinsic is not
-      // overloaded, all the types can be specified directly.
-      assert(((!TyEl->isSubClassOf("LLVMExtendedType") &&
-               !TyEl->isSubClassOf("LLVMTruncatedType")) ||
-              VT == MVT::iAny || VT == MVT::vAny) &&
-             "Expected iAny or vAny type");
-    } else {
-      VT = getValueType(TyEl->getValueAsDef("VT"));
-    }
-
-    // Reject invalid types.
-    if (VT == MVT::isVoid)
-      PrintFatalError(DefLoc, "Intrinsic '" + DefName +
-                                  " has void in result type list!");
-
-    IS.RetVTs.push_back(VT);
-    IS.RetTypeDefs.push_back(TyEl);
-  }
-
-  // Parse the list of parameter types.
-  TypeList = ParamTypes;
-  for (unsigned i = 0, e = TypeList->size(); i != e; ++i) {
-    Record *TyEl = TypeList->getElementAsRecord(i);
-    assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
-    MVT::SimpleValueType VT;
-    if (TyEl->isSubClassOf("LLVMMatchType")) {
-      unsigned MatchTy = TyEl->getValueAsInt("Number");
-      if (MatchTy >= OverloadedVTs.size()) {
-        PrintError(R->getLoc(),
-                   "Parameter #" + Twine(i) + " has out of bounds matching "
-                   "number " + Twine(MatchTy));
-        PrintFatalError(DefLoc,
-                        Twine("ParamTypes is ") + TypeList->getAsString());
-      }
-      VT = OverloadedVTs[MatchTy];
-      // It only makes sense to use the extended and truncated vector element
-      // variants with iAny types; otherwise, if the intrinsic is not
-      // overloaded, all the types can be specified directly.
-      assert(((!TyEl->isSubClassOf("LLVMExtendedType") &&
-               !TyEl->isSubClassOf("LLVMTruncatedType")) ||
-              VT == MVT::iAny || VT == MVT::vAny) &&
-             "Expected iAny or vAny type");
-    } else
-      VT = getValueType(TyEl->getValueAsDef("VT"));
-
-    // Reject invalid types.
-    if (VT == MVT::isVoid && i != e-1 /*void at end means varargs*/)
-      PrintFatalError(DefLoc, "Intrinsic '" + DefName +
-                                  " has void in result type list!");
-
-    IS.ParamVTs.push_back(VT);
-    IS.ParamTypeDefs.push_back(TyEl);
-  }
-
-  // Parse the intrinsic properties.
-  ListInit *PropList = R->getValueAsListInit("IntrProperties");
-  for (unsigned i = 0, e = PropList->size(); i != e; ++i) {
-    Record *Property = PropList->getElementAsRecord(i);
-    assert(Property->isSubClassOf("IntrinsicProperty") &&
-           "Expected a property!");
-
-    setProperty(Property);
-  }
-
-  // Set default properties to true.
-  setDefaultProperties(R, DefaultProperties);
-
-  // Also record the SDPatternOperator Properties.
-  Properties = parseSDPatternOperatorProperties(R);
-
-  // Sort the argument attributes for later benefit.
-  llvm::sort(ArgumentAttributes);
-}
-
-void CodeGenIntrinsic::setDefaultProperties(
-    Record *R, std::vector<Record *> DefaultProperties) {
-  // opt-out of using default attributes.
-  if (R->getValueAsBit("DisableDefaultAttributes"))
-    return;
-
-  for (Record *Rec : DefaultProperties)
-    setProperty(Rec);
-}
-
-void CodeGenIntrinsic::setProperty(Record *R) {
-  if (R->getName() == "IntrNoMem")
-    ModRef = NoMem;
-  else if (R->getName() == "IntrReadMem") {
-    if (!(ModRef & MR_Ref))
-      PrintFatalError(TheDef->getLoc(),
-                      Twine("IntrReadMem cannot be used after IntrNoMem or "
-                            "IntrWriteMem. Default is ReadWrite"));
-    ModRef = ModRefBehavior(ModRef & ~MR_Mod);
-  } else if (R->getName() == "IntrWriteMem") {
-    if (!(ModRef & MR_Mod))
-      PrintFatalError(TheDef->getLoc(),
-                      Twine("IntrWriteMem cannot be used after IntrNoMem or "
-                            "IntrReadMem. Default is ReadWrite"));
-    ModRef = ModRefBehavior(ModRef & ~MR_Ref);
-  } else if (R->getName() == "IntrArgMemOnly")
-    ModRef = ModRefBehavior((ModRef & ~MR_Anywhere) | MR_ArgMem);
-  else if (R->getName() == "IntrInaccessibleMemOnly")
-    ModRef = ModRefBehavior((ModRef & ~MR_Anywhere) | MR_InaccessibleMem);
-  else if (R->getName() == "IntrInaccessibleMemOrArgMemOnly")
-    ModRef = ModRefBehavior((ModRef & ~MR_Anywhere) | MR_ArgMem |
-                            MR_InaccessibleMem);
-  else if (R->getName() == "Commutative")
-    isCommutative = true;
-  else if (R->getName() == "Throws")
-    canThrow = true;
-  else if (R->getName() == "IntrNoDuplicate")
-    isNoDuplicate = true;
-  else if (R->getName() == "IntrConvergent")
-    isConvergent = true;
-  else if (R->getName() == "IntrNoReturn")
-    isNoReturn = true;
-  else if (R->getName() == "IntrNoSync")
-    isNoSync = true;
-  else if (R->getName() == "IntrNoFree")
-    isNoFree = true;
-  else if (R->getName() == "IntrWillReturn")
-    isWillReturn = !isNoReturn;
-  else if (R->getName() == "IntrCold")
-    isCold = true;
-  else if (R->getName() == "IntrSpeculatable")
-    isSpeculatable = true;
-  else if (R->getName() == "IntrHasSideEffects")
-    hasSideEffects = true;
-  else if (R->isSubClassOf("NoCapture")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, NoCapture, 0);
-  } else if (R->isSubClassOf("NoAlias")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, NoAlias, 0);
-  } else if (R->isSubClassOf("NoUndef")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, NoUndef, 0);
-  } else if (R->isSubClassOf("Returned")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, Returned, 0);
-  } else if (R->isSubClassOf("ReadOnly")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, ReadOnly, 0);
-  } else if (R->isSubClassOf("WriteOnly")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, WriteOnly, 0);
-  } else if (R->isSubClassOf("ReadNone")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, ReadNone, 0);
-  } else if (R->isSubClassOf("ImmArg")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    ArgumentAttributes.emplace_back(ArgNo, ImmArg, 0);
-  } else if (R->isSubClassOf("Align")) {
-    unsigned ArgNo = R->getValueAsInt("ArgNo");
-    uint64_t Align = R->getValueAsInt("Align");
-    ArgumentAttributes.emplace_back(ArgNo, Alignment, Align);
-  } else
-    llvm_unreachable("Unknown property!");
-}
-
-bool CodeGenIntrinsic::isParamAPointer(unsigned ParamIdx) const {
-  if (ParamIdx >= IS.ParamVTs.size())
-    return false;
-  MVT ParamType = MVT(IS.ParamVTs[ParamIdx]);
-  return ParamType == MVT::iPTR || ParamType == MVT::iPTRAny;
-}
-
-bool CodeGenIntrinsic::isParamImmArg(unsigned ParamIdx) const {
-  // Convert argument index to attribute index starting from `FirstArgIndex`.
-  ArgAttribute Val{ParamIdx + 1, ImmArg, 0};
-  return std::binary_search(ArgumentAttributes.begin(),
-                            ArgumentAttributes.end(), Val);
-}