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3 Commits

Author SHA1 Message Date
Evan Cheng
3ef1c8759a Teach if-converter to be more careful with predicating instructions that would 
take multiple cycles to decode.
For the current if-converter clients (actually only ARM), the instructions that
are predicated on false are not nops. They would still take machine cycles to
decode. Micro-coded instructions such as LDM / STM can potentially take multiple
cycles to decode. If-converter should take treat them as non-micro-coded
simple instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-10 01:29:16 +00:00
Sean Hunt
9342f4f352 Add missing include to unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-14 22:44:26 +00:00
Evan Cheng
774bc882fd - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-14 21:06:53 +00:00