chenglin.bi 9a53793ab8 [InstCombine] Fold two select patterns into and-or ...

select (~a | c), a, b -> and a, (or c, b) https://alive2.llvm.org/ce/z/bnDobs
select (~c & b), a, b -> and b, (or a, c) https://alive2.llvm.org/ce/z/k2jJHJ

Differential Revision: https://reviews.llvm.org/D122152

2022-03-28 16:07:55 -04:00

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