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IR: Merge UniquableMDNode back into MDNode, NFC

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As pointed out in r226501, the distinction between `MDNode` and
`UniquableMDNode` is confusing.  When we need subclasses of `MDNode`
that don't use all its functionality it might make sense to break it
apart again, but until then this makes the code clearer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226520 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-01-19 23:13:14 +00:00
parent fce53dd939
commit b0617860b5
10 changed files with 142 additions and 175 deletions
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2
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -572,7 +572,7 @@ void BitcodeReaderMDValueList::tryToResolveCycles() {
// Resolve any cycles.
for (auto &MD : MDValuePtrs) {
auto *N = dyn_cast_or_null<UniquableMDNode>(MD);
auto *N = dyn_cast_or_null<MDNode>(MD);
if (!N)
continue;