tree 90f4b2ca2cfb203049686d22662dfece861d4686
parent ab405fb6e9ff9202ca722f632b945d4b84c653f5
author Jim Lin <jim@andestech.com> 1745642104 +0800
committer GitHub <noreply@github.com> 1745642104 +0800
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[InstCombine] Preserve disjoint or after folding casted bitwise logic (#136815)

Optimize
`or disjoint (zext/sext a) (zext/sext b))`
to
`(zext/sext (or disjoint a, b))`
without losing disjoint.

Confirmed here: https://alive2.llvm.org/ce/z/kQ5fJv.