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//===- tools/llvm-cov/llvm-cov.cpp - LLVM coverage tool -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// llvm-cov is a command line tools to analyze and report coverage information.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GCOV.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
using namespace llvm;
static cl::opt<bool>
DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file"));
static cl::opt<std::string>
InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init(""));
static cl::opt<std::string>
InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init(""));
//===----------------------------------------------------------------------===//
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv, "llvm cov\n");
GCOVFile GF;
if (InputGCNO.empty())
errs() << " " << argv[0] << ": No gcov input file!\n";
OwningPtr<MemoryBuffer> GCNO_Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
errs() << InputGCNO << ": " << ec.message() << "\n";
return 1;
}
GCOVBuffer GCNO_GB(GCNO_Buff.take());
if (!GF.read(GCNO_GB)) {
errs() << "Invalid .gcno File!\n";
return 1;
}
if (!InputGCDA.empty()) {
OwningPtr<MemoryBuffer> GCDA_Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
errs() << InputGCDA << ": " << ec.message() << "\n";
return 1;
}
GCOVBuffer GCDA_GB(GCDA_Buff.take());
if (!GF.read(GCDA_GB)) {
errs() << "Invalid .gcda File!\n";
return 1;
}
}
if (DumpGCOV)
GF.dump();
FileInfo FI;
GF.collectLineCounts(FI);
FI.print(InputGCNO, InputGCDA);
return 0;
}
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