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0001 //==- CanonicalizeFreezeInLoop.h - Canonicalize freezes in a loop-*- C++ -*-==//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // This file canonicalizes freeze instructions in a loop.
0010 //
0011 //===----------------------------------------------------------------------===//
0012 
0013 #ifndef LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H
0014 #define LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H
0015 
0016 #include "llvm/Analysis/LoopAnalysisManager.h"
0017 #include "llvm/IR/PassManager.h"
0018 
0019 namespace llvm {
0020 class Loop;
0021 class LPMUpdater;
0022 
0023 /// A pass that canonicalizes freeze instructions in a loop.
0024 class CanonicalizeFreezeInLoopsPass
0025     : public PassInfoMixin<CanonicalizeFreezeInLoopsPass> {
0026 public:
0027   PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
0028                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
0029 };
0030 
0031 } // end namespace llvm
0032 
0033 #endif // LLVM_TRANSFORMS_UTILS_CANONICALIZEFREEZEINLOOPS_H