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Emit the linkage name instead of the function name, when available. This means

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that we'll prefer to emit the mangled C++ name (pending a clang change).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177371 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2013-03-19 01:37:55 +00:00
parent 9f2518cdc6
commit 5d22d02fac
2 changed files with 39 additions and 8 deletions
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22
lib/Transforms/Instrumentation/GCOVProfiling.cpp
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@@ -142,6 +142,12 @@ ModulePass *llvm::createGCOVProfilerPass(const GCOVOptions &Options) {
return new GCOVProfiler(Options);
}
static std::string getFunctionName(DISubprogram SP) {
if (!SP.getLinkageName().empty())
return SP.getLinkageName();
return SP.getName();
}
namespace {
class GCOVRecord {
protected:
@@ -290,7 +296,7 @@ namespace {
ReturnBlock = new GCOVBlock(i++, os);
writeBytes(FunctionTag, 4);
uint32_t BlockLen = 1 + 1 + 1 + lengthOfGCOVString(SP.getName()) +
uint32_t BlockLen = 1 + 1 + 1 + lengthOfGCOVString(getFunctionName(SP)) +
1 + lengthOfGCOVString(SP.getFilename()) + 1;
if (UseCfgChecksum)
++BlockLen;
@@ -299,7 +305,7 @@ namespace {
write(0); // lineno checksum
if (UseCfgChecksum)
write(0); // cfg checksum
writeGCOVString(SP.getName());
writeGCOVString(getFunctionName(SP));
writeGCOVString(SP.getFilename());
write(SP.getLineNumber());
}
@@ -724,12 +730,12 @@ Function *GCOVProfiler::insertCounterWriteout(
Builder.CreateGlobalStringPtr(ReversedVersion));
for (unsigned j = 0, e = CountersBySP.size(); j != e; ++j) {
DISubprogram SP(CountersBySP[j].second);
Builder.CreateCall3(EmitFunction,
Builder.getInt32(j),
Options.FunctionNamesInData ?
Builder.CreateGlobalStringPtr(SP.getName()) :
Constant::getNullValue(Builder.getInt8PtrTy()),
Builder.getInt8(Options.UseCfgChecksum));
Builder.CreateCall3(
EmitFunction, Builder.getInt32(j),
Options.FunctionNamesInData ?
Builder.CreateGlobalStringPtr(getFunctionName(SP)) :
Constant::getNullValue(Builder.getInt8PtrTy()),
Builder.getInt8(Options.UseCfgChecksum));
GlobalVariable *GV = CountersBySP[j].first;
unsigned Arcs =