Allow null to be an element of NamedMDNode. e.g. !llvm.stuff = !{!0, !1, null}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92783 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index c8097a0..33da5e4 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -789,9 +789,13 @@
unsigned Size = Record.size();
SmallVector<MDNode *, 8> Elts;
for (unsigned i = 0; i != Size; ++i) {
- Value *MD = MDValueList.getValueFwdRef(Record[i]);
- if (MDNode *B = dyn_cast_or_null<MDNode>(MD))
- Elts.push_back(B);
+ if (Record[i] == ~0U)
+ Elts.push_back(NULL);
+ else {
+ Value *MD = MDValueList.getValueFwdRef(Record[i]);
+ if (MDNode *B = dyn_cast_or_null<MDNode>(MD))
+ Elts.push_back(B);
+ }
}
Value *V = NamedMDNode::Create(Context, Name.str(), Elts.data(),
Elts.size(), TheModule);