| 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 | |