1*81ad6265SDimitry Andric //===- LowerAtomicPass.h - Lower atomic intrinsics --------------*- C++ -*-===// 2*81ad6265SDimitry Andric // 3*81ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*81ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*81ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*81ad6265SDimitry Andric // 7*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 8*81ad6265SDimitry Andric /// \file 9*81ad6265SDimitry Andric // This pass lowers atomic intrinsics to non-atomic form for use in a known 10*81ad6265SDimitry Andric // non-preemptible environment. 11*81ad6265SDimitry Andric /// 12*81ad6265SDimitry Andric //===----------------------------------------------------------------------===// 13*81ad6265SDimitry Andric 14*81ad6265SDimitry Andric #ifndef LLVM_TRANSFORMS_SCALAR_LOWERATOMICPASS_H 15*81ad6265SDimitry Andric #define LLVM_TRANSFORMS_SCALAR_LOWERATOMICPASS_H 16*81ad6265SDimitry Andric 17*81ad6265SDimitry Andric #include "llvm/IR/PassManager.h" 18*81ad6265SDimitry Andric 19*81ad6265SDimitry Andric namespace llvm { 20*81ad6265SDimitry Andric 21*81ad6265SDimitry Andric /// A pass that lowers atomic intrinsic into non-atomic intrinsics. 22*81ad6265SDimitry Andric class LowerAtomicPass : public PassInfoMixin<LowerAtomicPass> { 23*81ad6265SDimitry Andric public: 24*81ad6265SDimitry Andric PreservedAnalyses run(Function &F, FunctionAnalysisManager &); isRequired()25*81ad6265SDimitry Andric static bool isRequired() { return true; } 26*81ad6265SDimitry Andric }; 27*81ad6265SDimitry Andric 28*81ad6265SDimitry Andric } 29*81ad6265SDimitry Andric 30*81ad6265SDimitry Andric #endif // LLVM_TRANSFORMS_SCALAR_LOWERATOMICPASS_H 31