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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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3
lib/IR/Module.cpp
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@ -276,7 +276,8 @@ getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const {
const NamedMDNode *ModFlags = getModuleFlagsMetadata();
if (!ModFlags) return;
for (const MDNode *Flag : ModFlags->operands()) {
for (const Value *FlagMD : ModFlags->operands()) {
const MDNode *Flag = cast<MDNode>(FlagMD);
ModFlagBehavior MFB;
if (Flag->getNumOperands() >= 3 &&
isValidModFlagBehavior(Flag->getOperand(0), MFB) &&