blob: 53880694f0632906ac86f1bdaeda1be9bbce5a02 (
plain)
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
//===- PathProfileInfo.h --------------------------------------*- C++ -*---===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file outlines the interface used by optimizers to load path profiles.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PATHPROFILEINFO_H
#define LLVM_PATHPROFILEINFO_H
#include "llvm/Analysis/PathNumbering.h"
#include "llvm/BasicBlock.h"
namespace llvm {
class ProfilePath;
class ProfilePathEdge;
class PathProfileInfo;
typedef std::vector<ProfilePathEdge> ProfilePathEdgeVector;
typedef std::vector<ProfilePathEdge>::iterator ProfilePathEdgeIterator;
typedef std::vector<BasicBlock*> ProfilePathBlockVector;
typedef std::vector<BasicBlock*>::iterator ProfilePathBlockIterator;
typedef std::map<unsigned int,ProfilePath*> ProfilePathMap;
typedef std::map<unsigned int,ProfilePath*>::iterator ProfilePathIterator;
typedef std::map<Function*,unsigned int> FunctionPathCountMap;
typedef std::map<Function*,ProfilePathMap> FunctionPathMap;
typedef std::map<Function*,ProfilePathMap>::iterator FunctionPathIterator;
class ProfilePathEdge {
public:
ProfilePathEdge(BasicBlock* source, BasicBlock* target,
unsigned duplicateNumber);
inline unsigned getDuplicateNumber() { return _duplicateNumber; }
inline BasicBlock* getSource() { return _source; }
inline BasicBlock* getTarget() { return _target; }
protected:
BasicBlock* _source;
BasicBlock* _target;
unsigned _duplicateNumber;
};
class ProfilePath {
public:
ProfilePath(unsigned int number, unsigned int count,
double countStdDev, PathProfileInfo* ppi);
double getFrequency() const;
inline unsigned int getNumber() const { return _number; }
inline unsigned int getCount() const { return _count; }
inline double getCountStdDev() const { return _countStdDev; }
ProfilePathEdgeVector* getPathEdges() const;
ProfilePathBlockVector* getPathBlocks() const;
BasicBlock* getFirstBlockInPath() const;
private:
unsigned int _number;
unsigned int _count;
double _countStdDev;
// double pointer back to the profiling info
PathProfileInfo* _ppi;
};
// TODO: overload [] operator for getting path
// Add: getFunctionCallCount()
class PathProfileInfo {
public:
PathProfileInfo();
~PathProfileInfo();
void setCurrentFunction(Function* F);
Function* getCurrentFunction() const;
BasicBlock* getCurrentFunctionEntry();
ProfilePath* getPath(unsigned int number);
unsigned int getPotentialPathCount();
ProfilePathIterator pathBegin();
ProfilePathIterator pathEnd();
unsigned int pathsRun();
static char ID; // Pass identification
std::string argList;
protected:
FunctionPathMap _functionPaths;
FunctionPathCountMap _functionPathCounts;
private:
BallLarusDag* _currentDag;
Function* _currentFunction;
friend class ProfilePath;
};
} // end namespace llvm
#endif
|
