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IR: MDNode => Value: NamedMDNode::getOperator()

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Change `NamedMDNode::getOperator()` from returning `MDNode *` to
returning `Value *`.  To reduce boilerplate at some call sites, add a
`getOperatorAsMDNode()` for named metadata that's expected to only
return `MDNode` -- for now, that's everything, but debug node named
metadata (such as llvm.dbg.cu and llvm.dbg.sp) will soon change.  This
is part of PR21433.

Note that there's a follow-up patch to clang for the API change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-11-05 18:16:03 +00:00
parent 4a6537c0a9
commit bad06b13ba
17 changed files with 47 additions and 42 deletions
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4
lib/Linker/LinkModules.cpp
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@@ -1287,7 +1287,7 @@ bool ModuleLinker::linkModuleFlagsMetadata() {
DenseMap<MDString*, MDNode*> Flags;
SmallSetVector<MDNode*, 16> Requirements;
for (unsigned I = 0, E = DstModFlags->getNumOperands(); I != E; ++I) {
MDNode *Op = DstModFlags->getOperand(I);
MDNode *Op = DstModFlags->getOperandAsMDNode(I);
ConstantInt *Behavior = cast<ConstantInt>(Op->getOperand(0));
MDString *ID = cast<MDString>(Op->getOperand(1));
@@ -1302,7 +1302,7 @@ bool ModuleLinker::linkModuleFlagsMetadata() {
// requirements.
bool HasErr = false;
for (unsigned I = 0, E = SrcModFlags->getNumOperands(); I != E; ++I) {
MDNode *SrcOp = SrcModFlags->getOperand(I);
MDNode *SrcOp = SrcModFlags->getOperandAsMDNode(I);
ConstantInt *SrcBehavior = cast<ConstantInt>(SrcOp->getOperand(0));
MDString *ID = cast<MDString>(SrcOp->getOperand(1));
MDNode *DstOp = Flags.lookup(ID);