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Utils: Thread distinct-ness through the cloneMD*() functions, NFC

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The new logic isn't actually reachable yet, so no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225918 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-14 01:24:38 +00:00
parent df7a3b3789
commit ffa1a450c3
1 changed files with 11 additions and 7 deletions
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18
lib/Transforms/Utils/ValueMapper.cpp
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@ -183,21 +183,24 @@ static Metadata *mapMetadataOp(Metadata *Op, ValueToValueMapTy &VM,
static Metadata *cloneMDTuple(const MDTuple *Node, ValueToValueMapTy &VM,
RemapFlags Flags,
ValueMapTypeRemapper *TypeMapper,
ValueMaterializer *Materializer) {
ValueMaterializer *Materializer,
bool IsDistinct) {
SmallVector<Metadata *, 4> Elts;
Elts.reserve(Node->getNumOperands());
for (unsigned I = 0, E = Node->getNumOperands(); I != E; ++I)
Elts.push_back(mapMetadataOp(Node->getOperand(I), VM, Flags, TypeMapper,
Materializer));
return MDTuple::get(Node->getContext(), Elts);
return (IsDistinct ? MDTuple::getDistinct : MDTuple::get)(Node->getContext(),
Elts);
}
static Metadata *cloneMDLocation(const MDLocation *Node, ValueToValueMapTy &VM,
RemapFlags Flags,
ValueMapTypeRemapper *TypeMapper,
ValueMaterializer *Materializer) {
return MDLocation::get(
ValueMaterializer *Materializer,
bool IsDistinct) {
return (IsDistinct ? MDLocation::getDistinct : MDLocation::get)(
Node->getContext(), Node->getLine(), Node->getColumn(),
mapMetadataOp(Node->getScope(), VM, Flags, TypeMapper, Materializer),
mapMetadataOp(Node->getInlinedAt(), VM, Flags, TypeMapper, Materializer));
@ -205,14 +208,14 @@ static Metadata *cloneMDLocation(const MDLocation *Node, ValueToValueMapTy &VM,
static Metadata *cloneMDNode(const UniquableMDNode *Node, ValueToValueMapTy &VM,
RemapFlags Flags, ValueMapTypeRemapper *TypeMapper,
ValueMaterializer *Materializer) {
ValueMaterializer *Materializer, bool IsDistinct) {
switch (Node->getMetadataID()) {
default:
llvm_unreachable("Invalid UniquableMDNode subclass");
#define HANDLE_UNIQUABLE_LEAF(CLASS) \
case Metadata::CLASS##Kind: \
return clone##CLASS(cast<CLASS>(Node), VM, Flags, TypeMapper, \
Materializer); \
Materializer, IsDistinct); \
break;
#include "llvm/IR/Metadata.def"
}
@ -279,7 +282,8 @@ static Metadata *mapUniquedNode(const UniquableMDNode *Node,
}
// At least one operand needs remapping.
Metadata *NewMD = cloneMDNode(Node, VM, Flags, TypeMapper, Materializer);
Metadata *NewMD = cloneMDNode(Node, VM, Flags, TypeMapper, Materializer,
/* IsDistinct */ false);
Dummy->replaceAllUsesWith(NewMD);
MDNode::deleteTemporary(Dummy);
return mapToMetadata(VM, Node, NewMD);