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Author SHA1 Message Date
Chris Lattner 67e534505d fix PR8144, a bug where constant merge would merge globals marked 
attribute(used).

llvm-svn: 113911
 2010-09-15 00:30:11 +00:00
Chris Lattner 75879be9d8 1. modernize the constantmerge pass, using densemap/smallvector. 
2. don't bother trying to merge globals in non-default sections,
   doing so is quite dubious at best anyway.
3. fix a bug reported by Arnaud de Grandmaison where we'd try to
   merge two globals in different address spaces.

llvm-svn: 95995
 2010-02-12 18:17:23 +00:00
Chris Lattner 554003f481 rename test 
llvm-svn: 95993
 2010-02-12 18:05:00 +00:00