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Author SHA1 Message Date
Evan Cheng f128bdcb55 Make post-ra scheduling, anti-dep breaking, and register scavenger (conservatively) aware of predicated instructions. This enables ARM to move if-conversion before post-ra scheduler. 
llvm-svn: 106091
 2010-06-16 07:35:02 +00:00
Evan Cheng 078f4cec21 - Do away with SimpleHazardRecognizer.h. It's not used and offers little value. 
- Rename ExactHazardRecognizer to PostRAHazardRecognizer and move its header to include to allow targets to extend it.

llvm-svn: 105959
 2010-06-14 21:06:53 +00:00