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
19using namespace llvm;
20
21extern cl::opt<bool> EnablePGSO;
22extern cl::opt<bool> PGSOLargeWorkingSetSizeOnly;
23extern cl::opt<bool> ForcePGSO;
24extern cl::opt<int> PgsoCutoffInstrProf;
25extern cl::opt<int> PgsoCutoffSampleProf;
26
27bool llvm::shouldOptimizeForSize(const MachineFunction *MF,
28 ProfileSummaryInfo *PSI,
29 const MachineBlockFrequencyInfo *MBFI,
30 PGSOQueryType QueryType) {
31 return shouldFuncOptimizeForSizeImpl(F: MF, PSI, BFI: MBFI, QueryType);
32}
33
34bool llvm::shouldOptimizeForSize(const MachineBasicBlock *MBB,
35 ProfileSummaryInfo *PSI,
36 const MachineBlockFrequencyInfo *MBFI,
37 PGSOQueryType QueryType) {
38 assert(MBB);
39 return shouldOptimizeForSizeImpl(BBOrBlockFreq: MBB, PSI, BFI: MBFI, QueryType);
40}
41
42bool 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(BBOrBlockFreq: BlockFreq, PSI, BFI: &MBFIW->getMBFI(),
51 QueryType);
52}
53

source code of llvm/lib/CodeGen/MachineSizeOpts.cpp