llvm/llvm/lib/Transforms/Scalar/LowerAtomicPass.cpp

//===- LowerAtomic.cpp - Lower atomic intrinsics --------------------------===//
//
// 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 pass lowers atomic intrinsics to non-atomic form for use in a known
// non-preemptible environment.
//
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Scalar/LowerAtomicPass.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/LowerAtomic.h"
usingnamespacellvm;

#define DEBUG_TYPE …

static bool LowerFenceInst(FenceInst *FI) { … }

static bool LowerLoadInst(LoadInst *LI) { … }

static bool LowerStoreInst(StoreInst *SI) { … }

static bool runOnBasicBlock(BasicBlock &BB) { … }

static bool lowerAtomics(Function &F) { … }

PreservedAnalyses LowerAtomicPass::run(Function &F, FunctionAnalysisManager &) { … }

namespace {
class LowerAtomicLegacyPass : public FunctionPass { … };
}

char LowerAtomicLegacyPass::ID = …;
INITIALIZE_PASS(…)

Pass *llvm::createLowerAtomicPass() { … }