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-rw-r--r--flang/lib/Optimizer/Transforms/AddDebugInfo.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/flang/lib/Optimizer/Transforms/AddDebugInfo.cpp b/flang/lib/Optimizer/Transforms/AddDebugInfo.cpp
index bdf7e4a..e006d2e 100644
--- a/flang/lib/Optimizer/Transforms/AddDebugInfo.cpp
+++ b/flang/lib/Optimizer/Transforms/AddDebugInfo.cpp
@@ -285,11 +285,16 @@ mlir::LLVM::DIModuleAttr AddDebugInfoPass::getOrCreateModuleAttr(
if (auto iter{moduleMap.find(name)}; iter != moduleMap.end()) {
modAttr = iter->getValue();
} else {
+ // When decl is true, it means that module is only being used in this
+ // compilation unit and it is defined elsewhere. But if the file/line/scope
+ // fields are valid, the module is not merged with its definition and is
+ // considered different. So we only set those fields when decl is false.
modAttr = mlir::LLVM::DIModuleAttr::get(
- context, fileAttr, scope, mlir::StringAttr::get(context, name),
+ context, decl ? nullptr : fileAttr, decl ? nullptr : scope,
+ mlir::StringAttr::get(context, name),
/* configMacros */ mlir::StringAttr(),
/* includePath */ mlir::StringAttr(),
- /* apinotes */ mlir::StringAttr(), line, decl);
+ /* apinotes */ mlir::StringAttr(), decl ? 0 : line, decl);
moduleMap[name] = modAttr;
}
return modAttr;