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llvm-cov: Added command-line option to change dir.

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This will allow for much easier testing when the input files are in a
different folder from the test script.

llvm-svn: 194034
This commit is contained in:
Yuchen Wu 2013-11-05 01:20:41 +00:00
parent ed0b7b997b
commit f41fb5a06a
2 changed files with 19 additions and 7 deletions
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14
lib/IR/GCOV.cpp
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@ -266,18 +266,20 @@ void FileInfo::print(raw_fd_ostream &OS, StringRef gcnoFile,
for (StringMap<LineCounts>::iterator I = LineInfo.begin(), E = LineInfo.end();
I != E; ++I) {
StringRef Filename = I->first();
OS << " -: 0:Source:" << Filename << "\n";
OS << " -: 0:Graph:" << gcnoFile << "\n";
OS << " -: 0:Data:" << gcdaFile << "\n";
OS << " -: 0:Runs:" << RunCount << "\n";
OS << " -: 0:Programs:" << ProgramCount << "\n";
LineCounts &L = LineInfo[Filename];
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
errs() << Filename << ": " << ec.message() << "\n";
return;
}
StringRef AllLines = Buff.take()->getBuffer();
OS << " -: 0:Source:" << Filename << "\n";
OS << " -: 0:Graph:" << gcnoFile << "\n";
OS << " -: 0:Data:" << gcdaFile << "\n";
OS << " -: 0:Runs:" << RunCount << "\n";
OS << " -: 0:Programs:" << ProgramCount << "\n";
LineCounts &L = LineInfo[Filename];
uint32_t i = 0;
while (!AllLines.empty()) {
if (L.find(i) != L.end()) {

12
tools/llvm-cov/llvm-cov.cpp
View File

@ -20,6 +20,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
#include <unistd.h>
using namespace llvm;
static cl::opt<bool>
@ -34,6 +35,9 @@ InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init(""));
static cl::opt<std::string>
OutputFile("o", cl::desc("<output llvm-cov file>"), cl::init("-"));
static cl::opt<std::string>
WorkingDir("C", cl::desc("change path of working directory"),
cl::init(""));
//===----------------------------------------------------------------------===//
int main(int argc, char **argv) {
@ -44,6 +48,13 @@ int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, "llvm coverage tool\n");
if (!WorkingDir.empty()) {
if (chdir(WorkingDir.c_str()) == -1) {
errs() << "Cannot change to directory: " << WorkingDir << ".\n";
return 1;
}
}
std::string ErrorInfo;
raw_fd_ostream OS(OutputFile.c_str(), ErrorInfo);
if (!ErrorInfo.empty())
@ -77,7 +88,6 @@ int main(int argc, char **argv) {
}
}
if (DumpGCOV)
GF.dump();