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c9288dc826
Summary: To avoid header file circular dependency issues in passing updated MBFI (in MBFIWrapper) to the interface of profile guided size optimizations. A prep step for (and split off of) D73381. Reviewers: davidxl Subscribers: mgorny, hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D73494
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//===- MBFIWrapper.cpp - MachineBlockFrequencyInfo wrapper ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This class keeps track of branch frequencies of newly created blocks and
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// tail-merged blocks. Used by the TailDuplication and MachineBlockPlacement.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MBFIWrapper.h"
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#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
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using namespace llvm;
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BlockFrequency MBFIWrapper::getBlockFreq(const MachineBasicBlock *MBB) const {
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auto I = MergedBBFreq.find(MBB);
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if (I != MergedBBFreq.end())
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return I->second;
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return MBFI.getBlockFreq(MBB);
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}
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void MBFIWrapper::setBlockFreq(const MachineBasicBlock *MBB,
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BlockFrequency F) {
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MergedBBFreq[MBB] = F;
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}
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raw_ostream & MBFIWrapper::printBlockFreq(raw_ostream &OS,
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const MachineBasicBlock *MBB) const {
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return MBFI.printBlockFreq(OS, getBlockFreq(MBB));
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}
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raw_ostream & MBFIWrapper::printBlockFreq(raw_ostream &OS,
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const BlockFrequency Freq) const {
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return MBFI.printBlockFreq(OS, Freq);
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}
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void MBFIWrapper::view(const Twine &Name, bool isSimple) {
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MBFI.view(Name, isSimple);
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}
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uint64_t MBFIWrapper::getEntryFreq() const {
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return MBFI.getEntryFreq();
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}
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