include/llvm/Transforms/Scalar/GuardWidening.h

   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
  16 #ifndef LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H
  17 #define LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H
  18
  19 #include "llvm/Analysis/LoopInfo.h"
  20 #include "llvm/IR/PassManager.h"
  21 #include "llvm/Transforms/Scalar/LoopPassManager.h"
  22
  23 namespace llvm {
  24
  25 class Function;
  26
  27 struct 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
  35 #endif  // LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H