1 //===- ControlHeightReduction.h - Control Height Reduction ------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This pass merges conditional blocks of code and reduces the number of 11 // conditional branches in the hot paths based on profiles. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H 16 #define LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H 17 18 #include "llvm/Analysis/LoopInfo.h" 19 #include "llvm/IR/PassManager.h" 20 21 namespace llvm { 22 23 class ControlHeightReductionPass : 24 public PassInfoMixin<ControlHeightReductionPass> { 25 public: 26 ControlHeightReductionPass(); 27 PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); 28 }; 29 } // end namespace llvm 30 31 #endif // LLVM_TRANSFORMS_INSTRUMENTATION_CONTROLHEIGHTREDUCTION_H 32