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authorrobot-piglet <robot-piglet@yandex-team.com>2025-03-05 13:38:11 +0300
committerrobot-piglet <robot-piglet@yandex-team.com>2025-03-05 13:49:53 +0300
commit9eed360f02de773a5ed2de5d2a3e81fc7f06acfa (patch)
tree744a4054e64eb443073c7c6ad36b29cedcf9c2e6 /contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp
parentc141a5c40bda2eed1a68b0626ffdae5fd19359a6 (diff)
downloadydb-9eed360f02de773a5ed2de5d2a3e81fc7f06acfa.tar.gz
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commit_hash:2ec2671384dd8e604d41bc5c52c2f7858e4afea6
Diffstat (limited to 'contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp')
-rw-r--r--contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp429
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diff --git a/contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp b/contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp
deleted file mode 100644
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--- a/contrib/libs/llvm14/lib/CodeGen/MachineModuleInfo.cpp
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@@ -1,429 +0,0 @@
-//===-- llvm/CodeGen/MachineModuleInfo.cpp ----------------------*- C++ -*-===//
-//
-// 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
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/PostOrderIterator.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/TinyPtrVector.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/DiagnosticInfo.h"
-#include "llvm/IR/Instructions.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IR/Value.h"
-#include "llvm/IR/ValueHandle.h"
-#include "llvm/InitializePasses.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCSymbolXCOFF.h"
-#include "llvm/Pass.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
-#include <algorithm>
-#include <cassert>
-#include <memory>
-#include <utility>
-#include <vector>
-
-using namespace llvm;
-using namespace llvm::dwarf;
-
-// Out of line virtual method.
-MachineModuleInfoImpl::~MachineModuleInfoImpl() = default;
-
-namespace llvm {
-
-class MMIAddrLabelMapCallbackPtr final : CallbackVH {
- MMIAddrLabelMap *Map = nullptr;
-
-public:
- MMIAddrLabelMapCallbackPtr() = default;
- MMIAddrLabelMapCallbackPtr(Value *V) : CallbackVH(V) {}
-
- void setPtr(BasicBlock *BB) {
- ValueHandleBase::operator=(BB);
- }
-
- void setMap(MMIAddrLabelMap *map) { Map = map; }
-
- void deleted() override;
- void allUsesReplacedWith(Value *V2) override;
-};
-
-class MMIAddrLabelMap {
- MCContext &Context;
- struct AddrLabelSymEntry {
- /// The symbols for the label.
- TinyPtrVector<MCSymbol *> Symbols;
-
- Function *Fn; // The containing function of the BasicBlock.
- unsigned Index; // The index in BBCallbacks for the BasicBlock.
- };
-
- DenseMap<AssertingVH<BasicBlock>, AddrLabelSymEntry> AddrLabelSymbols;
-
- /// Callbacks for the BasicBlock's that we have entries for. We use this so
- /// we get notified if a block is deleted or RAUWd.
- std::vector<MMIAddrLabelMapCallbackPtr> BBCallbacks;
-
- /// This is a per-function list of symbols whose corresponding BasicBlock got
- /// deleted. These symbols need to be emitted at some point in the file, so
- /// AsmPrinter emits them after the function body.
- DenseMap<AssertingVH<Function>, std::vector<MCSymbol*>>
- DeletedAddrLabelsNeedingEmission;
-
-public:
- MMIAddrLabelMap(MCContext &context) : Context(context) {}
-
- ~MMIAddrLabelMap() {
- assert(DeletedAddrLabelsNeedingEmission.empty() &&
- "Some labels for deleted blocks never got emitted");
- }
-
- ArrayRef<MCSymbol *> getAddrLabelSymbolToEmit(BasicBlock *BB);
-
- void takeDeletedSymbolsForFunction(Function *F,
- std::vector<MCSymbol*> &Result);
-
- void UpdateForDeletedBlock(BasicBlock *BB);
- void UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New);
-};
-
-} // end namespace llvm
-
-ArrayRef<MCSymbol *> MMIAddrLabelMap::getAddrLabelSymbolToEmit(BasicBlock *BB) {
- assert(BB->hasAddressTaken() &&
- "Shouldn't get label for block without address taken");
- AddrLabelSymEntry &Entry = AddrLabelSymbols[BB];
-
- // If we already had an entry for this block, just return it.
- if (!Entry.Symbols.empty()) {
- assert(BB->getParent() == Entry.Fn && "Parent changed");
- return Entry.Symbols;
- }
-
- // Otherwise, this is a new entry, create a new symbol for it and add an
- // entry to BBCallbacks so we can be notified if the BB is deleted or RAUWd.
- BBCallbacks.emplace_back(BB);
- BBCallbacks.back().setMap(this);
- Entry.Index = BBCallbacks.size() - 1;
- Entry.Fn = BB->getParent();
- MCSymbol *Sym = BB->hasAddressTaken() ? Context.createNamedTempSymbol()
- : Context.createTempSymbol();
- Entry.Symbols.push_back(Sym);
- return Entry.Symbols;
-}
-
-/// If we have any deleted symbols for F, return them.
-void MMIAddrLabelMap::
-takeDeletedSymbolsForFunction(Function *F, std::vector<MCSymbol*> &Result) {
- DenseMap<AssertingVH<Function>, std::vector<MCSymbol*>>::iterator I =
- DeletedAddrLabelsNeedingEmission.find(F);
-
- // If there are no entries for the function, just return.
- if (I == DeletedAddrLabelsNeedingEmission.end()) return;
-
- // Otherwise, take the list.
- std::swap(Result, I->second);
- DeletedAddrLabelsNeedingEmission.erase(I);
-}
-
-void MMIAddrLabelMap::UpdateForDeletedBlock(BasicBlock *BB) {
- // If the block got deleted, there is no need for the symbol. If the symbol
- // was already emitted, we can just forget about it, otherwise we need to
- // queue it up for later emission when the function is output.
- AddrLabelSymEntry Entry = std::move(AddrLabelSymbols[BB]);
- AddrLabelSymbols.erase(BB);
- assert(!Entry.Symbols.empty() && "Didn't have a symbol, why a callback?");
- BBCallbacks[Entry.Index] = nullptr; // Clear the callback.
-
- assert((BB->getParent() == nullptr || BB->getParent() == Entry.Fn) &&
- "Block/parent mismatch");
-
- for (MCSymbol *Sym : Entry.Symbols) {
- if (Sym->isDefined())
- return;
-
- // If the block is not yet defined, we need to emit it at the end of the
- // function. Add the symbol to the DeletedAddrLabelsNeedingEmission list
- // for the containing Function. Since the block is being deleted, its
- // parent may already be removed, we have to get the function from 'Entry'.
- DeletedAddrLabelsNeedingEmission[Entry.Fn].push_back(Sym);
- }
-}
-
-void MMIAddrLabelMap::UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New) {
- // Get the entry for the RAUW'd block and remove it from our map.
- AddrLabelSymEntry OldEntry = std::move(AddrLabelSymbols[Old]);
- AddrLabelSymbols.erase(Old);
- assert(!OldEntry.Symbols.empty() && "Didn't have a symbol, why a callback?");
-
- AddrLabelSymEntry &NewEntry = AddrLabelSymbols[New];
-
- // If New is not address taken, just move our symbol over to it.
- if (NewEntry.Symbols.empty()) {
- BBCallbacks[OldEntry.Index].setPtr(New); // Update the callback.
- NewEntry = std::move(OldEntry); // Set New's entry.
- return;
- }
-
- BBCallbacks[OldEntry.Index] = nullptr; // Update the callback.
-
- // Otherwise, we need to add the old symbols to the new block's set.
- llvm::append_range(NewEntry.Symbols, OldEntry.Symbols);
-}
-
-void MMIAddrLabelMapCallbackPtr::deleted() {
- Map->UpdateForDeletedBlock(cast<BasicBlock>(getValPtr()));
-}
-
-void MMIAddrLabelMapCallbackPtr::allUsesReplacedWith(Value *V2) {
- Map->UpdateForRAUWBlock(cast<BasicBlock>(getValPtr()), cast<BasicBlock>(V2));
-}
-
-void MachineModuleInfo::initialize() {
- ObjFileMMI = nullptr;
- CurCallSite = 0;
- NextFnNum = 0;
- UsesMSVCFloatingPoint = UsesMorestackAddr = false;
- HasSplitStack = HasNosplitStack = false;
- AddrLabelSymbols = nullptr;
-}
-
-void MachineModuleInfo::finalize() {
- Personalities.clear();
-
- delete AddrLabelSymbols;
- AddrLabelSymbols = nullptr;
-
- Context.reset();
- // We don't clear the ExternalContext.
-
- delete ObjFileMMI;
- ObjFileMMI = nullptr;
-}
-
-MachineModuleInfo::MachineModuleInfo(MachineModuleInfo &&MMI)
- : TM(std::move(MMI.TM)),
- Context(MMI.TM.getTargetTriple(), MMI.TM.getMCAsmInfo(),
- MMI.TM.getMCRegisterInfo(), MMI.TM.getMCSubtargetInfo(), nullptr,
- nullptr, false),
- MachineFunctions(std::move(MMI.MachineFunctions)) {
- Context.setObjectFileInfo(MMI.TM.getObjFileLowering());
- ObjFileMMI = MMI.ObjFileMMI;
- CurCallSite = MMI.CurCallSite;
- UsesMSVCFloatingPoint = MMI.UsesMSVCFloatingPoint;
- UsesMorestackAddr = MMI.UsesMorestackAddr;
- HasSplitStack = MMI.HasSplitStack;
- HasNosplitStack = MMI.HasNosplitStack;
- AddrLabelSymbols = MMI.AddrLabelSymbols;
- ExternalContext = MMI.ExternalContext;
- TheModule = MMI.TheModule;
-}
-
-MachineModuleInfo::MachineModuleInfo(const LLVMTargetMachine *TM)
- : TM(*TM), Context(TM->getTargetTriple(), TM->getMCAsmInfo(),
- TM->getMCRegisterInfo(), TM->getMCSubtargetInfo(),
- nullptr, nullptr, false) {
- Context.setObjectFileInfo(TM->getObjFileLowering());
- initialize();
-}
-
-MachineModuleInfo::MachineModuleInfo(const LLVMTargetMachine *TM,
- MCContext *ExtContext)
- : TM(*TM), Context(TM->getTargetTriple(), TM->getMCAsmInfo(),
- TM->getMCRegisterInfo(), TM->getMCSubtargetInfo(),
- nullptr, nullptr, false),
- ExternalContext(ExtContext) {
- Context.setObjectFileInfo(TM->getObjFileLowering());
- initialize();
-}
-
-MachineModuleInfo::~MachineModuleInfo() { finalize(); }
-
-//===- Address of Block Management ----------------------------------------===//
-
-ArrayRef<MCSymbol *>
-MachineModuleInfo::getAddrLabelSymbolToEmit(const BasicBlock *BB) {
- // Lazily create AddrLabelSymbols.
- if (!AddrLabelSymbols)
- AddrLabelSymbols = new MMIAddrLabelMap(getContext());
- return AddrLabelSymbols->getAddrLabelSymbolToEmit(const_cast<BasicBlock*>(BB));
-}
-
-void MachineModuleInfo::
-takeDeletedSymbolsForFunction(const Function *F,
- std::vector<MCSymbol*> &Result) {
- // If no blocks have had their addresses taken, we're done.
- if (!AddrLabelSymbols) return;
- return AddrLabelSymbols->
- takeDeletedSymbolsForFunction(const_cast<Function*>(F), Result);
-}
-
-/// \name Exception Handling
-/// \{
-
-void MachineModuleInfo::addPersonality(const Function *Personality) {
- if (!llvm::is_contained(Personalities, Personality))
- Personalities.push_back(Personality);
-}
-
-/// \}
-
-MachineFunction *
-MachineModuleInfo::getMachineFunction(const Function &F) const {
- auto I = MachineFunctions.find(&F);
- return I != MachineFunctions.end() ? I->second.get() : nullptr;
-}
-
-MachineFunction &MachineModuleInfo::getOrCreateMachineFunction(Function &F) {
- // Shortcut for the common case where a sequence of MachineFunctionPasses
- // all query for the same Function.
- if (LastRequest == &F)
- return *LastResult;
-
- auto I = MachineFunctions.insert(
- std::make_pair(&F, std::unique_ptr<MachineFunction>()));
- MachineFunction *MF;
- if (I.second) {
- // No pre-existing machine function, create a new one.
- const TargetSubtargetInfo &STI = *TM.getSubtargetImpl(F);
- MF = new MachineFunction(F, TM, STI, NextFnNum++, *this);
- // Update the set entry.
- I.first->second.reset(MF);
- } else {
- MF = I.first->second.get();
- }
-
- LastRequest = &F;
- LastResult = MF;
- return *MF;
-}
-
-void MachineModuleInfo::deleteMachineFunctionFor(Function &F) {
- MachineFunctions.erase(&F);
- LastRequest = nullptr;
- LastResult = nullptr;
-}
-
-namespace {
-
-/// This pass frees the MachineFunction object associated with a Function.
-class FreeMachineFunction : public FunctionPass {
-public:
- static char ID;
-
- FreeMachineFunction() : FunctionPass(ID) {}
-
- void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addRequired<MachineModuleInfoWrapperPass>();
- AU.addPreserved<MachineModuleInfoWrapperPass>();
- }
-
- bool runOnFunction(Function &F) override {
- MachineModuleInfo &MMI =
- getAnalysis<MachineModuleInfoWrapperPass>().getMMI();
- MMI.deleteMachineFunctionFor(F);
- return true;
- }
-
- StringRef getPassName() const override {
- return "Free MachineFunction";
- }
-};
-
-} // end anonymous namespace
-
-char FreeMachineFunction::ID;
-
-FunctionPass *llvm::createFreeMachineFunctionPass() {
- return new FreeMachineFunction();
-}
-
-MachineModuleInfoWrapperPass::MachineModuleInfoWrapperPass(
- const LLVMTargetMachine *TM)
- : ImmutablePass(ID), MMI(TM) {
- initializeMachineModuleInfoWrapperPassPass(*PassRegistry::getPassRegistry());
-}
-
-MachineModuleInfoWrapperPass::MachineModuleInfoWrapperPass(
- const LLVMTargetMachine *TM, MCContext *ExtContext)
- : ImmutablePass(ID), MMI(TM, ExtContext) {
- initializeMachineModuleInfoWrapperPassPass(*PassRegistry::getPassRegistry());
-}
-
-// Handle the Pass registration stuff necessary to use DataLayout's.
-INITIALIZE_PASS(MachineModuleInfoWrapperPass, "machinemoduleinfo",
- "Machine Module Information", false, false)
-char MachineModuleInfoWrapperPass::ID = 0;
-
-static unsigned getLocCookie(const SMDiagnostic &SMD, const SourceMgr &SrcMgr,
- std::vector<const MDNode *> &LocInfos) {
- // Look up a LocInfo for the buffer this diagnostic is coming from.
- unsigned BufNum = SrcMgr.FindBufferContainingLoc(SMD.getLoc());
- const MDNode *LocInfo = nullptr;
- if (BufNum > 0 && BufNum <= LocInfos.size())
- LocInfo = LocInfos[BufNum - 1];
-
- // If the inline asm had metadata associated with it, pull out a location
- // cookie corresponding to which line the error occurred on.
- unsigned LocCookie = 0;
- if (LocInfo) {
- unsigned ErrorLine = SMD.getLineNo() - 1;
- if (ErrorLine >= LocInfo->getNumOperands())
- ErrorLine = 0;
-
- if (LocInfo->getNumOperands() != 0)
- if (const ConstantInt *CI =
- mdconst::dyn_extract<ConstantInt>(LocInfo->getOperand(ErrorLine)))
- LocCookie = CI->getZExtValue();
- }
-
- return LocCookie;
-}
-
-bool MachineModuleInfoWrapperPass::doInitialization(Module &M) {
- MMI.initialize();
- MMI.TheModule = &M;
- // FIXME: Do this for new pass manager.
- LLVMContext &Ctx = M.getContext();
- MMI.getContext().setDiagnosticHandler(
- [&Ctx, &M](const SMDiagnostic &SMD, bool IsInlineAsm,
- const SourceMgr &SrcMgr,
- std::vector<const MDNode *> &LocInfos) {
- unsigned LocCookie = 0;
- if (IsInlineAsm)
- LocCookie = getLocCookie(SMD, SrcMgr, LocInfos);
- Ctx.diagnose(
- DiagnosticInfoSrcMgr(SMD, M.getName(), IsInlineAsm, LocCookie));
- });
- MMI.DbgInfoAvailable = !M.debug_compile_units().empty();
- return false;
-}
-
-bool MachineModuleInfoWrapperPass::doFinalization(Module &M) {
- MMI.finalize();
- return false;
-}
-
-AnalysisKey MachineModuleAnalysis::Key;
-
-MachineModuleInfo MachineModuleAnalysis::run(Module &M,
- ModuleAnalysisManager &) {
- MachineModuleInfo MMI(TM);
- MMI.TheModule = &M;
- MMI.DbgInfoAvailable = !M.debug_compile_units().empty();
- return MMI;
-}