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Author SHA1 Message Date
Sanjay Patel
504d614e86 [DAGCombiner] don't hoist logic op if operands have other uses, part 2 
The PPC test with 2 extra uses seems clearly better by avoiding this transform. 
With 1 extra use, we also prevent an extra register move (although that might
be an RA problem). The general rule should be to only make a change here if
it is always profitable. The x86 diffs are all neutral.

llvm-svn: 348518
 2018-12-06 19:18:56 +00:00
Sanjay Patel
d725fcf246 [PowerPC] add tests for hoisting bitwise logic; NFC 
llvm-svn: 348516
 2018-12-06 19:05:19 +00:00