77
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
1 //===- gcov.cpp - GCOV compatible LLVM coverage tool ----------------------===//
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
2 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
3 // The LLVM Compiler Infrastructure
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
4 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
5 // This file is distributed under the University of Illinois Open Source
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
6 // License. See LICENSE.TXT for details.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
7 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
8 //===----------------------------------------------------------------------===//
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
9 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
10 // llvm-cov is a command line tools to analyze and report coverage information.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
11 //
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
12 //===----------------------------------------------------------------------===//
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
13
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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14 #include "llvm/ADT/SmallString.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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15 #include "llvm/Support/CommandLine.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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16 #include "llvm/Support/Errc.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
17 #include "llvm/Support/FileSystem.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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18 #include "llvm/Support/GCOV.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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19 #include "llvm/Support/ManagedStatic.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 #include "llvm/Support/MemoryObject.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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21 #include "llvm/Support/Path.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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22 #include "llvm/Support/PrettyStackTrace.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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23 #include "llvm/Support/Signals.h"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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24 #include <system_error>
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 using namespace llvm;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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26
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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27 void reportCoverage(StringRef SourceFile, StringRef ObjectDir,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 const std::string &InputGCNO, const std::string &InputGCDA,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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29 bool DumpGCOV, const GCOVOptions &Options) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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30 SmallString<128> CoverageFileStem(ObjectDir);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
31 if (CoverageFileStem.empty()) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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32 // If no directory was specified with -o, look next to the source file.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
33 CoverageFileStem = sys::path::parent_path(SourceFile);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
34 sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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35 } else if (sys::fs::is_directory(ObjectDir))
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
36 // A directory name was given. Use it and the source file name.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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37 sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
38 else
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
39 // A file was given. Ignore the source file and look next to this file.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
40 sys::path::replace_extension(CoverageFileStem, "");
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
41
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
42 std::string GCNO = InputGCNO.empty()
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
43 ? std::string(CoverageFileStem.str()) + ".gcno"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
44 : InputGCNO;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
45 std::string GCDA = InputGCDA.empty()
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
46 ? std::string(CoverageFileStem.str()) + ".gcda"
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
47 : InputGCDA;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
48 GCOVFile GF;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
49
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
50 ErrorOr<std::unique_ptr<MemoryBuffer>> GCNO_Buff =
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
51 MemoryBuffer::getFileOrSTDIN(GCNO);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
52 if (std::error_code EC = GCNO_Buff.getError()) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
53 errs() << GCNO << ": " << EC.message() << "\n";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
54 return;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
55 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
56 GCOVBuffer GCNO_GB(GCNO_Buff.get().get());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
57 if (!GF.readGCNO(GCNO_GB)) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
58 errs() << "Invalid .gcno File!\n";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
59 return;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
60 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
61
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
62 ErrorOr<std::unique_ptr<MemoryBuffer>> GCDA_Buff =
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
63 MemoryBuffer::getFileOrSTDIN(GCDA);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
64 if (std::error_code EC = GCDA_Buff.getError()) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
65 if (EC != errc::no_such_file_or_directory) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
66 errs() << GCDA << ": " << EC.message() << "\n";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
67 return;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
68 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
69 // Clear the filename to make it clear we didn't read anything.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
70 GCDA = "-";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
71 } else {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
72 GCOVBuffer GCDA_GB(GCDA_Buff.get().get());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
73 if (!GF.readGCDA(GCDA_GB)) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
74 errs() << "Invalid .gcda File!\n";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
75 return;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
76 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
77 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
78
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
79 if (DumpGCOV)
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
80 GF.dump();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
81
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
82 FileInfo FI(Options);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
83 GF.collectLineCounts(FI);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
84 FI.print(SourceFile, GCNO, GCDA);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
85 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
86
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
87 int gcov_main(int argc, const char **argv) {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
88 // Print a stack trace if we signal out.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
89 sys::PrintStackTraceOnErrorSignal();
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
90 PrettyStackTraceProgram X(argc, argv);
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
91 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
92
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
93 cl::list<std::string> SourceFiles(cl::Positional, cl::OneOrMore,
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
94 cl::desc("SOURCEFILE"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
95
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
96 cl::opt<bool> AllBlocks("a", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
97 cl::desc("Display all basic blocks"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
98 cl::alias AllBlocksA("all-blocks", cl::aliasopt(AllBlocks));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
99
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
100 cl::opt<bool> BranchProb("b", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
101 cl::desc("Display branch probabilities"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
102 cl::alias BranchProbA("branch-probabilities", cl::aliasopt(BranchProb));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
103
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
104 cl::opt<bool> BranchCount("c", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
105 cl::desc("Display branch counts instead "
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
106 "of percentages (requires -b)"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
107 cl::alias BranchCountA("branch-counts", cl::aliasopt(BranchCount));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
108
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
109 cl::opt<bool> LongNames("l", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
110 cl::desc("Prefix filenames with the main file"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
111 cl::alias LongNamesA("long-file-names", cl::aliasopt(LongNames));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
112
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
113 cl::opt<bool> FuncSummary("f", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
114 cl::desc("Show coverage for each function"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
115 cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
116
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
117 cl::opt<bool> NoOutput("n", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
118 cl::desc("Do not output any .gcov files"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
119 cl::alias NoOutputA("no-output", cl::aliasopt(NoOutput));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
120
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
121 cl::opt<std::string> ObjectDir(
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
122 "o", cl::value_desc("DIR|FILE"), cl::init(""),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
123 cl::desc("Find objects in DIR or based on FILE's path"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
124 cl::alias ObjectDirA("object-directory", cl::aliasopt(ObjectDir));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
125 cl::alias ObjectDirB("object-file", cl::aliasopt(ObjectDir));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
126
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
127 cl::opt<bool> PreservePaths("p", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
128 cl::desc("Preserve path components"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
129 cl::alias PreservePathsA("preserve-paths", cl::aliasopt(PreservePaths));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
130
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
131 cl::opt<bool> UncondBranch("u", cl::Grouping, cl::init(false),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
132 cl::desc("Display unconditional branch info "
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
133 "(requires -b)"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
134 cl::alias UncondBranchA("unconditional-branches", cl::aliasopt(UncondBranch));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
135
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
136 cl::OptionCategory DebugCat("Internal and debugging options");
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
137 cl::opt<bool> DumpGCOV("dump", cl::init(false), cl::cat(DebugCat),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
138 cl::desc("Dump the gcov file to stderr"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
139 cl::opt<std::string> InputGCNO("gcno", cl::cat(DebugCat), cl::init(""),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
140 cl::desc("Override inferred gcno file"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
141 cl::opt<std::string> InputGCDA("gcda", cl::cat(DebugCat), cl::init(""),
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
142 cl::desc("Override inferred gcda file"));
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
143
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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144 cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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145
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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146 GCOVOptions Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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147 PreservePaths, UncondBranch, LongNames, NoOutput);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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148
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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149 for (const auto &SourceFile : SourceFiles)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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150 reportCoverage(SourceFile, ObjectDir, InputGCNO, InputGCDA, DumpGCOV,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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151 Options);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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152 return 0;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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153 }
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