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-rw-r--r--tools/llvm-cov/llvm-cov.cpp30
1 files changed, 17 insertions, 13 deletions
diff --git a/tools/llvm-cov/llvm-cov.cpp b/tools/llvm-cov/llvm-cov.cpp
index 31f6ad0058..177c99d896 100644
--- a/tools/llvm-cov/llvm-cov.cpp
+++ b/tools/llvm-cov/llvm-cov.cpp
@@ -21,6 +21,9 @@
#include "llvm/Support/system_error.h"
using namespace llvm;
+static cl::opt<std::string> SourceFile(cl::Positional, cl::Required,
+ cl::desc("SOURCEFILE"));
+
static cl::opt<bool>
DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file"));
@@ -56,9 +59,12 @@ int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, "llvm coverage tool\n");
- GCOVFile GF;
if (InputGCNO.empty())
- errs() << " " << argv[0] << ": No gcov input file!\n";
+ InputGCNO = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcno";
+ if (InputGCDA.empty())
+ InputGCDA = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcda";
+
+ GCOVFile GF;
OwningPtr<MemoryBuffer> GCNO_Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
@@ -71,17 +77,15 @@ int main(int argc, char **argv) {
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.get());
- if (!GF.readGCDA(GCDA_GB)) {
- errs() << "Invalid .gcda File!\n";
- return 1;
- }
+ 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.get());
+ if (!GF.readGCDA(GCDA_GB)) {
+ errs() << "Invalid .gcda File!\n";
+ return 1;
}
if (DumpGCOV)