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-rw-r--r--tools/llvm-cov/llvm-cov.cpp19
1 files changed, 12 insertions, 7 deletions
diff --git a/tools/llvm-cov/llvm-cov.cpp b/tools/llvm-cov/llvm-cov.cpp
index f549891694..be8d1c9036 100644
--- a/tools/llvm-cov/llvm-cov.cpp
+++ b/tools/llvm-cov/llvm-cov.cpp
@@ -84,13 +84,18 @@ int main(int argc, char **argv) {
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 (ec != errc::no_such_file_or_directory) {
+ errs() << InputGCDA << ": " << ec.message() << "\n";
+ return 1;
+ }
+ // Clear the filename to make it clear we didn't read anything.
+ InputGCDA = "-";
+ } else {
+ GCOVBuffer GCDA_GB(GCDA_Buff.get());
+ if (!GF.readGCDA(GCDA_GB)) {
+ errs() << "Invalid .gcda File!\n";
+ return 1;
+ }
}
if (DumpGCOV)