contrib/llvm/include/llvm/Transforms/Scalar/LoopPredication.h

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