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Author SHA1 Message Date
Rafael Espindola 83a362cde8 Change the .ll syntax for comdats and add a syntactic sugar. 
In order to make comdats always explicit in the IR, we decided to make
the syntax a bit more compact for the case of a GlobalObject in a
comdat with the same name.

Just dropping the $name causes problems for

@foo = globabl i32 0, comdat
$bar = comdat ...

and

declare void @foo() comdat
$bar = comdat ...

So the syntax is changed to

@g1 = globabl i32 0, comdat($c1)
@g2 = globabl i32 0, comdat

and

declare void @foo() comdat($c1)
declare void @foo() comdat

llvm-svn: 225302
 2015-01-06 22:55:16 +00:00
Rafael Espindola b16196a3e0 Fix use of uninitialized variable. 
Fixes linking bitcode files that use the new style comdats for constructors
with ones that don't.

llvm-svn: 215364
 2014-08-11 17:07:34 +00:00