blob: aff14a6a8bd7aecac7e3d99d0fc76b4d82a234f9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- llvm/CodeGen/MBFIWrapper.h -------------------------------*- C++ -*-===//
//
// 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 class keeps track of branch frequencies of newly created blocks and
// tail-merged blocks. Used by the TailDuplication and MachineBlockPlacement.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MBFIWRAPPER_H
#define LLVM_CODEGEN_MBFIWRAPPER_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/BlockFrequency.h"
namespace llvm {
class MachineBasicBlock;
class MachineBlockFrequencyInfo;
class MBFIWrapper {
public:
MBFIWrapper(const MachineBlockFrequencyInfo &I) : MBFI(I) {}
BlockFrequency getBlockFreq(const MachineBasicBlock *MBB) const;
void setBlockFreq(const MachineBasicBlock *MBB, BlockFrequency F);
Optional<uint64_t> getBlockProfileCount(const MachineBasicBlock *MBB) const;
raw_ostream &printBlockFreq(raw_ostream &OS,
const MachineBasicBlock *MBB) const;
raw_ostream &printBlockFreq(raw_ostream &OS,
const BlockFrequency Freq) const;
void view(const Twine &Name, bool isSimple = true);
uint64_t getEntryFreq() const;
const MachineBlockFrequencyInfo &getMBFI() { return MBFI; }
private:
const MachineBlockFrequencyInfo &MBFI;
DenseMap<const MachineBasicBlock *, BlockFrequency> MergedBBFreq;
};
} // end namespace llvm
#endif // LLVM_CODEGEN_MBFIWRAPPER_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
|
