Manman Ren 3a0e9b50f3 DIBuilder: retain a type when created with a unique identifier. ... createClassType, createStructType, createUnionType, createEnumerationType, and createForwardDecl will retain a type when created with a unique identifier, to make sure they are treated as used even when all uses are replaced with the identifiers. Use TrackingVH<MDNode> instead of MDNode in AllRetainTypes, since the created node can later be updated. The change will be tested when clients of DIBuilder start to pass in non-empty unique identifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189621 91177308-0d34-0410-b5e6-96231b3b80d8		2013-08-29 23:17:54 +00:00
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llvm	DIBuilder: retain a type when created with a unique identifier.	2013-08-29 23:17:54 +00:00
llvm-c	Revert 189297, the original commit message is following.	2013-08-27 17:15:54 +00:00