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3 Commits

Author SHA1 Message Date
Matt Arsenault 05e96f4444 R600: Try to convert BFE back to standard bit ops when possible. 
This allows existing DAG combines to work on them, and then
we can re-match to BFE if necessary during instruction selection.

llvm-svn: 209462
 2014-05-22 18:09:12 +00:00
Matt Arsenault 5565f65e13 R600: Add dag combine for BFE 
llvm-svn: 209461
 2014-05-22 18:09:07 +00:00
Matt Arsenault 4c53717787 R600: Add BFE, BFI, and BFM intrinsics to help with writing tests. 
llvm-svn: 205236
 2014-03-31 18:21:18 +00:00