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Add support to create class type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-12-08 20:18:20 +00:00
parent f4f39d35cd
commit 0a2551de2c
4 changed files with 67 additions and 2 deletions
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20
lib/Analysis/DebugInfo.cpp
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@ -288,6 +288,26 @@ void DIType::replaceAllUsesWith(DIDescriptor &D) {
}
}
/// replaceAllUsesWith - Replace all uses of debug info referenced by
/// this descriptor.
void DIType::replaceAllUsesWith(MDNode *D) {
if (!DbgNode)
return;
// Since we use a TrackingVH for the node, its easy for clients to manufacture
// legitimate situations where they want to replaceAllUsesWith() on something
// which, due to uniquing, has merged with the source. We shield clients from
// this detail by allowing a value to be replaced with replaceAllUsesWith()
// itself.
if (DbgNode != D) {
MDNode *Node = const_cast<MDNode*>(DbgNode);
const MDNode *DN = D;
const Value *V = cast_or_null<Value>(DN);
Node->replaceAllUsesWith(const_cast<Value*>(V));
MDNode::deleteTemporary(Node);
}
}
/// Verify - Verify that a compile unit is well formed.
bool DICompileUnit::Verify() const {
if (!DbgNode)