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Roman Lebedev 8ad5ce7b36 [InstCombine] Shift amount reassociation in bittest: relax one-use check when shifting constant
If one of the values being shifted is a constant, since the new shift
amount is known-constant, the new shift will end up being constant-folded
so, we don't need that one-use restriction then.

llvm-svn: 368519
2019-08-10 19:28:54 +00:00
..
2019-08-08 22:09:18 +00:00
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