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Author SHA1 Message Date
Peter Collingbourne d4135bbc30 DebugInfo: New metadata representation for global variables. 
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
 2016-09-13 01:12:59 +00:00
David Majnemer 7abd269aa9 [CodeView] Emit an appropriate symbol kind for globals 
We emitted debug info for globals/functions as if they all had external
linkage.  Instead, emit local symbol records when appropriate.

llvm-svn: 274676
 2016-07-06 21:07:47 +00:00
Reid Kleckner 6d1d27542f [codeview] Skip DIGlobalVariables with no variable 
They have probably been discarded during optimization.

llvm-svn: 272231
 2016-06-09 00:29:00 +00:00