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