include/llvm/Transforms/Instrumentation/ControlHeightReduction.h

   1 //===- ControlHeightReduction.h - Control Height Reduction ------*- 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 merges conditional blocks of code and reduces the number of
  10 // conditional branches in the hot paths based on profiles.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
  15 #define LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
  16
  17 #include "llvm/Analysis/LoopInfo.h"
  18 #include "llvm/IR/PassManager.h"
  19
  20 namespace llvm {
  21
  22 class ControlHeightReductionPass :
  23       public PassInfoMixin<ControlHeightReductionPass> {
  24 public:
  25   ControlHeightReductionPass();
  26   PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
  27 };
  28 } // end namespace llvm
  29
  30 #endif // LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H