1 //===- MachineSizeOpts.cpp - code size optimization related code ----------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains some shared machine IR code size optimization related 10 // code. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/CodeGen/MachineSizeOpts.h" 15 #include "llvm/CodeGen/MBFIWrapper.h" 16 #include "llvm/Analysis/ProfileSummaryInfo.h" 17 #include "llvm/CodeGen/MachineBlockFrequencyInfo.h" 18 19 using namespace llvm; 20 21 extern cl::opt<bool> EnablePGSO; 22 extern cl::opt<bool> PGSOLargeWorkingSetSizeOnly; 23 extern cl::opt<bool> ForcePGSO; 24 extern cl::opt<int> PgsoCutoffInstrProf; 25 extern cl::opt<int> PgsoCutoffSampleProf; 26 27 bool llvm::shouldOptimizeForSize(const MachineFunction *MF, 28 ProfileSummaryInfo *PSI, 29 const MachineBlockFrequencyInfo *MBFI, 30 PGSOQueryType QueryType) { 31 return shouldFuncOptimizeForSizeImpl(MF, PSI, MBFI, QueryType); 32 } 33 34 bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB, 35 ProfileSummaryInfo *PSI, 36 const MachineBlockFrequencyInfo *MBFI, 37 PGSOQueryType QueryType) { 38 assert(MBB); 39 return shouldOptimizeForSizeImpl(MBB, PSI, MBFI, QueryType); 40 } 41 42 bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB, 43 ProfileSummaryInfo *PSI, 44 MBFIWrapper *MBFIW, 45 PGSOQueryType QueryType) { 46 assert(MBB); 47 if (!PSI || !MBFIW) 48 return false; 49 BlockFrequency BlockFreq = MBFIW->getBlockFreq(MBB); 50 return shouldOptimizeForSizeImpl(BlockFreq, PSI, &MBFIW->getMBFI(), 51 QueryType); 52 } 53