1 //===- LowerAtomic.cpp - Lower atomic intrinsics ----------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// \file 10 // This pass lowers atomic intrinsics to non-atomic form for use in a known 11 // non-preemptible environment. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H 16 #define LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H 17 18 #include "llvm/IR/PassManager.h" 19 20 namespace llvm { 21 22 /// A pass that lowers atomic intrinsic into non-atomic intrinsics. 23 class LowerAtomicPass : public PassInfoMixin<LowerAtomicPass> { 24 public: 25 PreservedAnalyses run(Function &F, FunctionAnalysisManager &); 26 }; 27 } 28 29 #endif // LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H 30