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Author SHA1 Message Date
Manman Ren f0499ba991 TBAA: remove !tbaa from testing cases if not used. 
This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 180745
 2013-04-29 22:58:55 +00:00
Anton Korobeynikov 4d1220de34 Transform div to mul with reciprocal only when fp imm is legal. 
This fixes PR12516 and uncovers one weird problem in legalize (workarounded)

llvm-svn: 154394
 2012-04-10 13:22:49 +00:00