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nir/algebraic: Generalize an optimization

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There's nothing boolean about (a | ~a) ~> -1

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Jason Ekstrand 2018-10-19 12:43:43 -05:00
parent 69618a8678
commit 6068be543b
1 changed files with 1 additions and 1 deletions
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src/compiler/nir/nir_opt_algebraic.py
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@ -373,7 +373,7 @@ optimizations = [
(('iand', ('uge(is_used_once)', a, c), ('uge', b, c)), ('uge', ('umin', a, b), c)),
(('ior', 'a@bool', ('ieq', a, False)), True),
(('ior', 'a@bool', ('inot', a)), True),
(('ior', a, ('inot', a)), -1),
(('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('ior', 'a@32', 'b@32'), 0)),