blob: bccd5c93caca439da6d21bad304913dbb8e419b8 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- LowerAtomic.cpp - Lower atomic intrinsics ----------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
/// \file
// This pass lowers atomic intrinsics to non-atomic form for use in a known
// non-preemptible environment.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H
#define LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H
#include "llvm/IR/PassManager.h"
namespace llvm {
/// A pass that lowers atomic intrinsic into non-atomic intrinsics.
class LowerAtomicPass : public PassInfoMixin<LowerAtomicPass> {
public:
PreservedAnalyses run(Function &F, FunctionAnalysisManager &);
static bool isRequired() { return true; }
};
class AtomicRMWInst;
/// Convert the given RMWI into primitive load and stores,
/// assuming that doing so is legal. Return true if the lowering
/// succeeds.
bool lowerAtomicRMWInst(AtomicRMWInst *RMWI);
}
#endif // LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|
