//===-- CFGMST.h - Minimum Spanning Tree for CFG ----------------*- 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 file implements a Union-find algorithm to compute Minimum Spanning Tree // for a given CFG. // //===----------------------------------------------------------------------===// #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_CFGMST_H #define LLVM_TRANSFORMS_INSTRUMENTATION_CFGMST_H #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/STLExtras.h" #include "llvm/Analysis/BlockFrequencyInfo.h" #include "llvm/Analysis/BranchProbabilityInfo.h" #include "llvm/Analysis/CFG.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/IntrinsicInst.h" #include "llvm/Support/BranchProbability.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Transforms/Utils/BasicBlockUtils.h" #include <utility> #include <vector> #define DEBUG_TYPE … namespace llvm { /// An union-find based Minimum Spanning Tree for CFG /// /// Implements a Union-find algorithm to compute Minimum Spanning Tree /// for a given CFG. template <class Edge, class BBInfo> class CFGMST { … }; } // end namespace llvm #undef DEBUG_TYPE // "cfgmst" #endif // LLVM_TRANSFORMS_INSTRUMENTATION_CFGMST_H