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llvm-cov: Don't assume FileChecksum was generated.

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For cases where emitProfileArcs() was called but emitProfileNotes() was
not, set the CfgChecksum to 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Yuchen Wu 2013-11-21 04:53:39 +00:00
parent 53daa8e8f3
commit 1155e0e912
1 changed files with 3 additions and 2 deletions
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5
lib/Transforms/Instrumentation/GCOVProfiling.cpp
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@ -803,10 +803,11 @@ Function *GCOVProfiler::insertCounterWriteout(
for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) {
DICompileUnit CU(CU_Nodes->getOperand(i));
std::string FilenameGcda = mangleName(CU, "gcda");
uint32_t CfgChecksum = FileChecksums.size() ? FileChecksums[i] : 0;
Builder.CreateCall3(StartFile,
Builder.CreateGlobalStringPtr(FilenameGcda),
Builder.CreateGlobalStringPtr(ReversedVersion),
Builder.getInt32(FileChecksums[i]));
Builder.getInt32(CfgChecksum));
for (unsigned j = 0, e = CountersBySP.size(); j != e; ++j) {
DISubprogram SP(CountersBySP[j].second);
Builder.CreateCall4(
@ -815,7 +816,7 @@ Function *GCOVProfiler::insertCounterWriteout(
Builder.CreateGlobalStringPtr(getFunctionName(SP)) :
Constant::getNullValue(Builder.getInt8PtrTy()),
Builder.getInt8(Options.UseCfgChecksum),
Builder.getInt32(FileChecksums[i]));
Builder.getInt32(CfgChecksum));
GlobalVariable *GV = CountersBySP[j].first;
unsigned Arcs =