1//===- GuardWidening.h - ----------------------------------------*- 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//
9// Guard widening is an optimization over the @llvm.experimental.guard intrinsic
10// that (optimistically) combines multiple guards into one to have fewer checks
11// at runtime.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
16#define LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
17
18#include "llvm/Analysis/LoopAnalysisManager.h"
19#include "llvm/IR/PassManager.h"
20
21namespace llvm {
22
23class LPMUpdater;
24class Loop;
25class Function;
26
27struct GuardWideningPass : public PassInfoMixin<GuardWideningPass> {
28 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
29 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
30 LoopStandardAnalysisResults &AR, LPMUpdater &U);
31};
32}
33
34#endif // LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H
35

source code of llvm/include/llvm/Transforms/Scalar/GuardWidening.h