1 //==- CanonicalizeFreezeInLoop.h - Canonicalize freezes in a loop-*- 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 file canonicalizes freeze instructions in a loop.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TRANSFORMS_UTILS_CANONICALIZE_FREEZES_IN_LOOPS_H
14 #define LLVM_TRANSFORMS_UTILS_CANONICALIZE_FREEZES_IN_LOOPS_H
15 
16 #include "llvm/Analysis/LoopAnalysisManager.h"
17 #include "llvm/Analysis/LoopInfo.h"
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 class LPMUpdater;
22 
23 /// A pass that canonicalizes freeze instructions in a loop.
24 class CanonicalizeFreezeInLoopsPass
25     : public PassInfoMixin<CanonicalizeFreezeInLoopsPass> {
26 public:
27   PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM,
28                         LoopStandardAnalysisResults &AR, LPMUpdater &U);
29 };
30 
31 } // end namespace llvm
32 
33 #endif // LLVM_TRANSFORMS_UTILS_CANONICALIZE_FREEZES_IN_LOOPS_H
34