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/LoopInfo.h" 19 #include "llvm/IR/PassManager.h" 20 #include "llvm/Transforms/Scalar/LoopPassManager.h" 21 22 namespace llvm { 23 24 class Function; 25 26 struct GuardWideningPass : public PassInfoMixin<GuardWideningPass> { 27 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 28 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, 29 LoopStandardAnalysisResults &AR, LPMUpdater &U); 30 }; 31 } 32 33 #endif // LLVM_TRANSFORMS_SCALAR_GUARDWIDENING_H 34