Allow DIBuilder::replaceVTableHolder() to work with temporary nodes,
tested via the clang test CodeGenCXX/vtable-holder-self-reference.cpp .
llvm-svn: 228854
diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index 5cdb6a6..5217a4e 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -1229,12 +1229,12 @@
if (T != VTableHolder)
return;
- // Look for unresolved operands. T has dropped RAUW support and is already
- // marked resolved, orphaning any cycles underneath it.
- assert(T->isResolved() && "Expected self-reference to be resolved");
- for (const MDOperand &O : T->operands())
- if (auto *N = dyn_cast_or_null<MDNode>(O))
- trackIfUnresolved(N);
+ // Look for unresolved operands. T will drop RAUW support, orphaning any
+ // cycles underneath it.
+ if (T->isResolved())
+ for (const MDOperand &O : T->operands())
+ if (auto *N = dyn_cast_or_null<MDNode>(O))
+ trackIfUnresolved(N);
}
void DIBuilder::replaceArrays(DICompositeType &T, DIArray Elements,