ControlHeightReduction.h

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//===- ControlHeightReduction.h - Control Height Reduction ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This pass merges conditional blocks of code and reduces the number of
// conditional branches in the hot paths based on profiles.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H
 
#include "llvm/ADT/StringSet.h"
#include "llvm/IR/PassManager.h"
 
namespace llvm {
 
struct InstrumentationOptions;
 
class ControlHeightReductionPass
    : public OptionalPassInfoMixin<ControlHeightReductionPass> {
public:
  LLVM_ABI PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
 
private:
  const InstrumentationOptions *ParsedOpts = nullptr;
  StringSet<> CHRModules, CHRFunctions;
};
} // end namespace llvm
 
#endif // LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H