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