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