//===- MBFIWrapper.cpp - MachineBlockFrequencyInfo wrapper ----------------===// // // 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 class keeps track of branch frequencies of newly created blocks and // tail-merged blocks. Used by the TailDuplication and MachineBlockPlacement. // //===----------------------------------------------------------------------===// #include "llvm/CodeGen/MBFIWrapper.h" #include "llvm/CodeGen/MachineBlockFrequencyInfo.h" using namespace llvm; BlockFrequency MBFIWrapper::getBlockFreq(const MachineBasicBlock *MBB) const { auto I = MergedBBFreq.find(MBB); if (I != MergedBBFreq.end()) return I->second; return MBFI.getBlockFreq(MBB); } void MBFIWrapper::setBlockFreq(const MachineBasicBlock *MBB, BlockFrequency F) { MergedBBFreq[MBB] = F; } raw_ostream & MBFIWrapper::printBlockFreq(raw_ostream &OS, const MachineBasicBlock *MBB) const { return MBFI.printBlockFreq(OS, getBlockFreq(MBB)); } raw_ostream & MBFIWrapper::printBlockFreq(raw_ostream &OS, const BlockFrequency Freq) const { return MBFI.printBlockFreq(OS, Freq); } void MBFIWrapper::view(const Twine &Name, bool isSimple) { MBFI.view(Name, isSimple); } uint64_t MBFIWrapper::getEntryFreq() const { return MBFI.getEntryFreq(); } |