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2 Commits

Author SHA1 Message Date
Rafael Espindola 1821c6c3b0 Some optimizations done by globalopt are safe only for internal linkage, not 
linkonce linkage. For example, it is not valid to add unnamed_addr.

This also fixes a crash in g++.dg/opt/static5.C.

llvm-svn: 158528
 2012-06-15 18:00:24 +00:00
Rafael Espindola fc355bc070 Add unnamed_addr when we can show that address of a global is not used. 
llvm-svn: 123834
 2011-01-19 16:32:21 +00:00