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Use the full path to output the .gcda file.

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This lets the user run the program from a different directory and still have the
.gcda files show up in the correct place.
<rdar://problem/12179524>

llvm-svn: 162855
This commit is contained in:
Bill Wendling 2012-08-29 20:30:44 +00:00
parent b356af14b1
commit d3f96d717a
1 changed files with 19 additions and 7 deletions
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26
lib/Transforms/Instrumentation/GCOVProfiling.cpp
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@ -91,7 +91,7 @@ namespace {
void insertCounterWriteout(ArrayRef<std::pair<GlobalVariable*, MDNode*> >);
void insertIndirectCounterIncrement();
std::string mangleName(DICompileUnit CU, std::string NewStem);
std::string mangleName(DICompileUnit CU, const char *NewStem);
bool EmitNotes;
bool EmitData;
@ -328,7 +328,10 @@ namespace {
};
}
std::string GCOVProfiler::mangleName(DICompileUnit CU, std::string NewStem) {
std::string GCOVProfiler::mangleName(DICompileUnit CU, const char *NewStem) {
SmallString<128> Filename = CU.getFilename();
bool AsString = false;
if (NamedMDNode *GCov = M->getNamedMetadata("llvm.gcov")) {
for (int i = 0, e = GCov->getNumOperands(); i != e; ++i) {
MDNode *N = GCov->getOperand(i);
@ -337,16 +340,25 @@ std::string GCOVProfiler::mangleName(DICompileUnit CU, std::string NewStem) {
MDNode *CompileUnit = dyn_cast<MDNode>(N->getOperand(1));
if (!GCovFile || !CompileUnit) continue;
if (CompileUnit == CU) {
SmallString<128> Filename = GCovFile->getString();
sys::path::replace_extension(Filename, NewStem);
return Filename.str();
Filename = GCovFile->getString();
AsString = true;
break;
}
}
}
SmallString<128> Filename = CU.getFilename();
if (sys::path::is_relative(Filename.c_str())) {
SmallString<128> FullPath = CU.getDirectory();
sys::path::append(FullPath, Filename.begin(), Filename.end());
Filename = FullPath;
}
sys::path::replace_extension(Filename, NewStem);
return sys::path::filename(Filename.str());
if (!AsString)
return sys::path::filename(Filename.str());
return Filename.str();
}
bool GCOVProfiler::runOnModule(Module &M) {