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//===- MachineSizeOpts.cpp - code size optimization related code ----------===//
//
// 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 contains some shared machine IR code size optimization related
// code.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MachineSizeOpts.h"
#include "llvm/CodeGen/MBFIWrapper.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
using namespace llvm;
extern cl::opt<bool> EnablePGSO;
extern cl::opt<bool> PGSOLargeWorkingSetSizeOnly;
extern cl::opt<bool> ForcePGSO;
extern cl::opt<int> PgsoCutoffInstrProf;
extern cl::opt<int> PgsoCutoffSampleProf;
bool llvm::shouldOptimizeForSize(const MachineFunction *MF,
ProfileSummaryInfo *PSI,
const MachineBlockFrequencyInfo *MBFI,
PGSOQueryType QueryType) {
if (MF->getFunction().hasOptSize())
return true;
return shouldFuncOptimizeForSizeImpl(MF, PSI, MBFI, QueryType);
}
bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB,
ProfileSummaryInfo *PSI,
const MachineBlockFrequencyInfo *MBFI,
PGSOQueryType QueryType) {
assert(MBB);
if (MBB->getParent()->getFunction().hasOptSize())
return true;
return shouldOptimizeForSizeImpl(MBB, PSI, MBFI, QueryType);
}
bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB,
ProfileSummaryInfo *PSI,
MBFIWrapper *MBFIW,
PGSOQueryType QueryType) {
assert(MBB);
if (MBB->getParent()->getFunction().hasOptSize())
return true;
if (!MBFIW)
return false;
BlockFrequency BlockFreq = MBFIW->getBlockFreq(MBB);
return shouldOptimizeForSizeImpl(BlockFreq, PSI, &MBFIW->getMBFI(),
QueryType);
}
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