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2 Commits

Author SHA1 Message Date
Evan Cheng
199c4240fe Extend r93152 to work on OR r, r. If the source set bits are known not to overlap, then select as an ADD instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-11 22:03:29 +00:00
Evan Cheng
4b0345be30 Select an OR with immediate as an ADD if the input bits are known zero. This allow the instruction to be 3address-fied if needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-11 17:03:47 +00:00