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/IR/PassManager.h" 18 19 namespace llvm { 20 21 class ControlHeightReductionPass : 22 public PassInfoMixin<ControlHeightReductionPass> { 23 public: 24 ControlHeightReductionPass(); 25 PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); 26 }; 27 } // end namespace llvm 28 29 #endif // LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H 30