Noah Goldstein 4fcfff4f2d Use analyzeKnownBitsFromAndXorOr in SimplifyDemandedUseBits for and/xor/or ...

There are extra patterns that have for these three logic operations
that aren't covered in `SimplifyDemandedUseBits`. To avoid duplicating
the code, just use `analyzeKnownBitsFromAndXorOr` in
`SimplifyDemandedUseBits` to get full coverage.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D142429

2023-02-23 19:52:17 -06:00

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