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
shouldOptimizeForSize(const MachineFunction * MF,ProfileSummaryInfo * PSI,const MachineBlockFrequencyInfo * MBFI,PGSOQueryType QueryType)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
shouldOptimizeForSize(const MachineBasicBlock * MBB,ProfileSummaryInfo * PSI,const MachineBlockFrequencyInfo * MBFI,PGSOQueryType QueryType)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
shouldOptimizeForSize(const MachineBasicBlock * MBB,ProfileSummaryInfo * PSI,MBFIWrapper * MBFIW,PGSOQueryType QueryType)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