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