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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
| //===- CoverageSummaryInfo.h - Coverage summary for function/file ---------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// These structures are used to represent code coverage metrics
// for functions/files.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_COV_COVERAGESUMMARYINFO_H
#define LLVM_COV_COVERAGESUMMARYINFO_H
#include "llvm/ProfileData/Coverage/CoverageMapping.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
/// Provides information about region coverage for a function/file.
class RegionCoverageInfo {
/// The number of regions that were executed at least once.
size_t Covered;
/// The total number of regions in a function/file.
size_t NumRegions;
public:
RegionCoverageInfo() : Covered(0), NumRegions(0) {}
RegionCoverageInfo(size_t Covered, size_t NumRegions)
: Covered(Covered), NumRegions(NumRegions) {
assert(Covered <= NumRegions && "Covered regions over-counted");
}
RegionCoverageInfo &operator+=(const RegionCoverageInfo &RHS) {
Covered += RHS.Covered;
NumRegions += RHS.NumRegions;
return *this;
}
void merge(const RegionCoverageInfo &RHS) {
Covered = std::max(Covered, RHS.Covered);
NumRegions = std::max(NumRegions, RHS.NumRegions);
}
size_t getCovered() const { return Covered; }
size_t getNumRegions() const { return NumRegions; }
bool isFullyCovered() const { return Covered == NumRegions; }
double getPercentCovered() const {
assert(Covered <= NumRegions && "Covered regions over-counted");
if (NumRegions == 0)
return 0.0;
return double(Covered) / double(NumRegions) * 100.0;
}
};
/// Provides information about line coverage for a function/file.
class LineCoverageInfo {
/// The number of lines that were executed at least once.
size_t Covered;
/// The total number of lines in a function/file.
size_t NumLines;
public:
LineCoverageInfo() : Covered(0), NumLines(0) {}
LineCoverageInfo(size_t Covered, size_t NumLines)
: Covered(Covered), NumLines(NumLines) {
assert(Covered <= NumLines && "Covered lines over-counted");
}
LineCoverageInfo &operator+=(const LineCoverageInfo &RHS) {
Covered += RHS.Covered;
NumLines += RHS.NumLines;
return *this;
}
void merge(const LineCoverageInfo &RHS) {
Covered = std::max(Covered, RHS.Covered);
NumLines = std::max(NumLines, RHS.NumLines);
}
size_t getCovered() const { return Covered; }
size_t getNumLines() const { return NumLines; }
bool isFullyCovered() const { return Covered == NumLines; }
double getPercentCovered() const {
assert(Covered <= NumLines && "Covered lines over-counted");
if (NumLines == 0)
return 0.0;
return double(Covered) / double(NumLines) * 100.0;
}
};
/// Provides information about function coverage for a file.
class FunctionCoverageInfo {
/// The number of functions that were executed.
size_t Executed;
/// The total number of functions in this file.
size_t NumFunctions;
public:
FunctionCoverageInfo() : Executed(0), NumFunctions(0) {}
FunctionCoverageInfo(size_t Executed, size_t NumFunctions)
: Executed(Executed), NumFunctions(NumFunctions) {}
FunctionCoverageInfo &operator+=(const FunctionCoverageInfo &RHS) {
Executed += RHS.Executed;
NumFunctions += RHS.NumFunctions;
return *this;
}
void addFunction(bool Covered) {
if (Covered)
++Executed;
++NumFunctions;
}
size_t getExecuted() const { return Executed; }
size_t getNumFunctions() const { return NumFunctions; }
bool isFullyCovered() const { return Executed == NumFunctions; }
double getPercentCovered() const {
assert(Executed <= NumFunctions && "Covered functions over-counted");
if (NumFunctions == 0)
return 0.0;
return double(Executed) / double(NumFunctions) * 100.0;
}
};
/// A summary of function's code coverage.
struct FunctionCoverageSummary {
std::string Name;
uint64_t ExecutionCount;
RegionCoverageInfo RegionCoverage;
LineCoverageInfo LineCoverage;
FunctionCoverageSummary(const std::string &Name)
: Name(Name), ExecutionCount(0), RegionCoverage(), LineCoverage() {}
FunctionCoverageSummary(const std::string &Name, uint64_t ExecutionCount,
const RegionCoverageInfo &RegionCoverage,
const LineCoverageInfo &LineCoverage)
: Name(Name), ExecutionCount(ExecutionCount),
RegionCoverage(RegionCoverage), LineCoverage(LineCoverage) {}
/// Compute the code coverage summary for the given function coverage
/// mapping record.
static FunctionCoverageSummary get(const coverage::CoverageMapping &CM,
const coverage::FunctionRecord &Function);
/// Compute the code coverage summary for an instantiation group \p Group,
/// given a list of summaries for each instantiation in \p Summaries.
static FunctionCoverageSummary
get(const coverage::InstantiationGroup &Group,
ArrayRef<FunctionCoverageSummary> Summaries);
};
/// A summary of file's code coverage.
struct FileCoverageSummary {
StringRef Name;
RegionCoverageInfo RegionCoverage;
LineCoverageInfo LineCoverage;
FunctionCoverageInfo FunctionCoverage;
FunctionCoverageInfo InstantiationCoverage;
FileCoverageSummary(StringRef Name)
: Name(Name), RegionCoverage(), LineCoverage(), FunctionCoverage(),
InstantiationCoverage() {}
FileCoverageSummary &operator+=(const FileCoverageSummary &RHS) {
RegionCoverage += RHS.RegionCoverage;
LineCoverage += RHS.LineCoverage;
FunctionCoverage += RHS.FunctionCoverage;
InstantiationCoverage += RHS.InstantiationCoverage;
return *this;
}
void addFunction(const FunctionCoverageSummary &Function) {
RegionCoverage += Function.RegionCoverage;
LineCoverage += Function.LineCoverage;
FunctionCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
}
void addInstantiation(const FunctionCoverageSummary &Function) {
InstantiationCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
}
};
/// A cache for demangled symbols.
struct DemangleCache {
StringMap<std::string> DemangledNames;
/// Demangle \p Sym if possible. Otherwise, just return \p Sym.
StringRef demangle(StringRef Sym) const {
const auto DemangledName = DemangledNames.find(Sym);
if (DemangledName == DemangledNames.end())
return Sym;
return DemangledName->getValue();
}
};
} // namespace llvm
#endif // LLVM_COV_COVERAGESUMMARYINFO_H
|