1 //===- LoopPredication.h - Guard based loop predication pass ----*- 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 // This pass tries to convert loop variant range checks to loop invariant by 10 // widening checks across loop iterations. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H 15 #define LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H 16 17 #include "llvm/Analysis/LoopInfo.h" 18 #include "llvm/IR/PassManager.h" 19 #include "llvm/Transforms/Scalar/LoopPassManager.h" 20 21 namespace llvm { 22 23 /// Performs Loop Predication Pass. 24 class LoopPredicationPass : public PassInfoMixin<LoopPredicationPass> { 25 public: 26 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, 27 LoopStandardAnalysisResults &AR, LPMUpdater &U); 28 }; 29 } // end namespace llvm 30 31 #endif // LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H 32