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IR: Allow multiple global metadata attachments with the same type.

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This will be necessary to allow the global merge pass to attach
multiple debug info metadata nodes to global variables once we reverse
the edge from DIGlobalVariable to GlobalVariable.

Differential Revision: http://reviews.llvm.org/D20414

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271358 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2016-06-01 01:17:57 +00:00
parent ed2188ea17
commit d8d85ac3c9
12 changed files with 150 additions and 88 deletions
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2
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -4167,7 +4167,7 @@ std::error_code BitcodeReader::parseGlobalObjectAttachment(
MDNode *MD = MetadataList.getMDNodeFwdRefOrNull(Record[I + 1]);
if (!MD)
return error("Invalid metadata attachment");
GO.setMetadata(K->second, MD);
GO.addMetadata(K->second, *MD);
}
return std::error_code();
}