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DebugInfo: New metadata representation for global variables.

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This patch reverses the edge from DIGlobalVariable to GlobalVariable.
This will allow us to more easily preserve debug info metadata when
manipulating global variables.

Fixes PR30362. A program for upgrading test cases is attached to that
bug.

Differential Revision: http://reviews.llvm.org/D20147

llvm-svn: 281284
This commit is contained in:
Peter Collingbourne
2016-09-13 01:12:59 +00:00
parent efc0667583
commit d4135bbc30
159 changed files with 922 additions and 796 deletions
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2
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -1710,7 +1710,7 @@ void ModuleBitcodeWriter::writeDIGlobalVariable(
Record.push_back(VE.getMetadataOrNullID(N->getType()));
Record.push_back(N->isLocalToUnit());
Record.push_back(N->isDefinition());
Record.push_back(VE.getMetadataOrNullID(N->getRawVariable()));
Record.push_back(VE.getMetadataOrNullID(N->getRawExpr()));
Record.push_back(VE.getMetadataOrNullID(N->getStaticDataMemberDeclaration()));
Stream.EmitRecord(bitc::METADATA_GLOBAL_VAR, Record, Abbrev);