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IR: Add isUniqued() and isTemporary()

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Change `MDNode::isDistinct()` to only apply to 'distinct' nodes (not
temporaries), and introduce `MDNode::isUniqued()` and
`MDNode::isTemporary()` for the other two possibilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226482 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-01-19 18:45:35 +00:00
parent 5f50874b3d
commit 1d72e18caa
4 changed files with 32 additions and 12 deletions
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2
lib/Transforms/Utils/ValueMapper.cpp
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@ -282,7 +282,7 @@ static Metadata *mapUniquedNode(const UniquableMDNode *Node,
ValueToValueMapTy &VM, RemapFlags Flags,
ValueMapTypeRemapper *TypeMapper,
ValueMaterializer *Materializer) {
assert(!Node->isDistinct() && "Expected uniqued node");
assert(Node->isUniqued() && "Expected uniqued node");
// Create a dummy node in case we have a metadata cycle.
MDNodeFwdDecl *Dummy = MDNode::getTemporary(Node->getContext(), None);