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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 83e927fcadb..22df86aca2d 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -132,6 +132,9 @@ void CodeGenModule::Release() {
if (getCodeGenOpts().EmitDeclMetadata)
EmitDeclMetadata();
+
+ if (getCodeGenOpts().EmitGcovArcs || getCodeGenOpts().EmitGcovNotes)
+ EmitCoverageDir();
}
void CodeGenModule::UpdateCompletedType(const TagDecl *TD) {
@@ -2216,6 +2219,23 @@ void CodeGenFunction::EmitDeclMetadata() {
}
}
+void CodeGenModule::EmitCoverageDir() {
+ if (!getCodeGenOpts().CoverageDir.empty()) {
+ if (llvm::NamedMDNode *CUNode = TheModule.getNamedMetadata("llvm.dbg.cu")) {
+ llvm::NamedMDNode *GCov = TheModule.getOrInsertNamedMetadata("llvm.gcov");
+ llvm::LLVMContext &Ctx = TheModule.getContext();
+ llvm::MDString *CoverageDir =
+ llvm::MDString::get(Ctx, getCodeGenOpts().CoverageDir);
+ for (int i = 0, e = CUNode->getNumOperands(); i != e; ++i) {
+ llvm::MDNode *CU = CUNode->getOperand(i);
+ llvm::Value *node[] = { CoverageDir, CU };
+ llvm::MDNode *N = llvm::MDNode::get(Ctx, node);
+ GCov->addOperand(N);
+ }
+ }
+ }
+}
+
///@name Custom Runtime Function Interfaces
///@{
//
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