Replace with a "null" RAUW with an assert since we'd actually like
to assume we're replacing. Clarify comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187018 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp
index f059345..c7cdb80 100644
--- a/lib/IR/DebugInfo.cpp
+++ b/lib/IR/DebugInfo.cpp
@@ -327,11 +327,11 @@
return DbgNode->getNumOperands();
}
-/// replaceAllUsesWith - Replace all uses of debug info referenced by
-/// this descriptor.
+/// replaceAllUsesWith - Replace all uses of the MDNode used by this
+/// type with the one in the passed descriptor.
void DIType::replaceAllUsesWith(DIDescriptor &D) {
- if (!DbgNode)
- return;
+
+ assert(DbgNode && "Trying to replace an unverified type!");
// Since we use a TrackingVH for the node, its easy for clients to manufacture
// legitimate situations where they want to replaceAllUsesWith() on something
@@ -347,11 +347,11 @@
}
}
-/// replaceAllUsesWith - Replace all uses of debug info referenced by
-/// this descriptor.
+/// replaceAllUsesWith - Replace all uses of the MDNode used by this
+/// type with the one in D.
void DIType::replaceAllUsesWith(MDNode *D) {
- if (!DbgNode)
- return;
+
+ assert(DbgNode && "Trying to replace an unverified type!");
// Since we use a TrackingVH for the node, its easy for clients to manufacture
// legitimate situations where they want to replaceAllUsesWith() on something