Layton Kifer ac522f8700 [DAGCombiner] Fold (sext (not i1 x)) -> (add (zext i1 x), -1) ...

Move fold of (sext (not i1 x)) -> (add (zext i1 x), -1) from X86 to DAGCombiner to improve codegen on other targets.

Differential Revision: https://reviews.llvm.org/D91589

2020-12-06 11:52:10 -05:00

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