LLVM  12.0.0git
MachineSizeOpts.h
Go to the documentation of this file.
1 //===- MachineSizeOpts.h - machine size optimization ------------*- C++ -*-===//
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 #ifndef LLVM_CODEGEN_MACHINE_SIZEOPTS_H
14 #define LLVM_CODEGEN_MACHINE_SIZEOPTS_H
15 
17 
18 namespace llvm {
19 
20 class ProfileSummaryInfo;
21 class MachineBasicBlock;
22 class MachineBlockFrequencyInfo;
23 class MachineFunction;
24 class MBFIWrapper;
25 
26 /// Returns true if machine function \p MF is suggested to be size-optimized
27 /// based on the profile.
28 bool shouldOptimizeForSize(const MachineFunction *MF, ProfileSummaryInfo *PSI,
29  const MachineBlockFrequencyInfo *BFI,
31 /// Returns true if machine basic block \p MBB is suggested to be size-optimized
32 /// based on the profile.
33 bool shouldOptimizeForSize(const MachineBasicBlock *MBB,
34  ProfileSummaryInfo *PSI,
35  const MachineBlockFrequencyInfo *MBFI,
37 /// Returns true if machine basic block \p MBB is suggested to be size-optimized
38 /// based on the profile.
39 bool shouldOptimizeForSize(const MachineBasicBlock *MBB,
40  ProfileSummaryInfo *PSI,
41  MBFIWrapper *MBFIWrapper,
43 
44 } // end namespace llvm
45 
46 #endif // LLVM_CODEGEN_MACHINE_SIZEOPTS_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
MachineBasicBlock & MBB
bool shouldOptimizeForSize(const MachineFunction *MF, ProfileSummaryInfo *PSI, const MachineBlockFrequencyInfo *BFI, PGSOQueryType QueryType=PGSOQueryType::Other)
Returns true if machine function MF is suggested to be size-optimized based on the profile...
PGSOQueryType
Definition: SizeOpts.h:36