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| author | Ian Romanick <ian.d.romanick@intel.com> | 2019-03-01 14:41:59 -0800 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2019-03-01 14:44:02 -0800 |
| commit | 3d78b0cd564d69fc146ca39e13f6556d224cd2a2 (patch) | |
| tree | 4cfd0c1d0dc7e751fb8c5806fca76b31cebb69a4 | |
| parent | cad6ce893045fd42c039be34fd614f600153350a (diff) | |
nir/algebraic: Optimize away an fsat of a b2fnir_lower_clamp_color_outputs-vs-b2f
The b2f can only produce 0.0 or 1.0, so the fsat does nothing.
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index b49f1a13161..617ca0ea933 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -337,6 +337,7 @@ optimizations = [ (('~fmin', ('fmax', a, 0.0), 1.0), ('fsat', a), '!options->lower_fsat'), (('~fmax', ('fmin', a, 1.0), 0.0), ('fsat', a), '!options->lower_fsat'), (('fsat', ('fsign', a)), ('b2f', ('flt', 0.0, a))), + (('fsat', ('b2f', a)), ('b2f', a)), (('fsat', a), ('fmin', ('fmax', a, 0.0), 1.0), 'options->lower_fsat'), (('fsat', ('fsat', a)), ('fsat', a)), (('fmin', ('fmax', ('fmin', ('fmax', a, b), c), b), c), ('fmin', ('fmax', a, b), c)), |