1 //===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // llvm-cov is a command line tools to analyze and report coverage information.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/ADT/OwningPtr.h"
15 #include "llvm/Support/CommandLine.h"
16 #include "llvm/Support/GCOV.h"
17 #include "llvm/Support/ManagedStatic.h"
18 #include "llvm/Support/MemoryObject.h"
19 #include "llvm/Support/PrettyStackTrace.h"
20 #include "llvm/Support/Signals.h"
21 #include "llvm/Support/system_error.h"
25 DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file"));
27 static cl::opt<std::string>
28 InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init(""));
30 static cl::opt<std::string>
31 InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init(""));
34 AllBlocks("a", cl::init(false), cl::desc("display all block info"));
37 BranchInfo("b", cl::init(false), cl::desc("display branch info"));
40 BranchCount("c", cl::init(false), cl::desc("display branch counts instead of \
41 probabilities (requires -b)"));
44 UncondBranch("u", cl::init(false), cl::desc("display unconditional branch info \
47 //===----------------------------------------------------------------------===//
48 int main(int argc, char **argv) {
49 // Print a stack trace if we signal out.
50 sys::PrintStackTraceOnErrorSignal();
51 PrettyStackTraceProgram X(argc, argv);
52 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
54 cl::ParseCommandLineOptions(argc, argv, "llvm coverage tool\n");
57 if (InputGCNO.empty())
58 errs() << " " << argv[0] << ": No gcov input file!\n";
60 OwningPtr<MemoryBuffer> GCNO_Buff;
61 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
62 errs() << InputGCNO << ": " << ec.message() << "\n";
65 GCOVBuffer GCNO_GB(GCNO_Buff.get());
66 if (!GF.readGCNO(GCNO_GB)) {
67 errs() << "Invalid .gcno File!\n";
71 if (!InputGCDA.empty()) {
72 OwningPtr<MemoryBuffer> GCDA_Buff;
73 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
74 errs() << InputGCDA << ": " << ec.message() << "\n";
77 GCOVBuffer GCDA_GB(GCDA_Buff.get());
78 if (!GF.readGCDA(GCDA_GB)) {
79 errs() << "Invalid .gcda File!\n";
87 GCOVOptions Options(AllBlocks, BranchInfo, BranchCount, UncondBranch);
89 GF.collectLineCounts(FI);
90 FI.print(InputGCNO, InputGCDA);