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/LoopAnalysisManager.h" 18 #include "llvm/IR/PassManager.h" 19 20 namespace llvm { 21 22 class LPMUpdater; 23 class Loop; 24 /// Performs Loop Predication Pass. 25 class LoopPredicationPass : public PassInfoMixin<LoopPredicationPass> { 26 public: 27 PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, 28 LoopStandardAnalysisResults &AR, LPMUpdater &U); 29 }; 30 } // end namespace llvm 31 32 #endif // LLVM_TRANSFORMS_SCALAR_LOOPPREDICATION_H 33