William S. Moses 93c791839a [MLIR] Canonicalize/fold select %x, 1, 0 to extui
Two canonicalizations for select %x, 1, 0
  If the return type is i1, return simply the condition %x, otherwise extui %x to the return type.

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D116517
2022-01-03 01:26:28 -05:00
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