This was appearing in vc4 VS/CS in mupen64, due to vertex attrib lowering
producing some constants that were getting compared.
total instructions in shared programs: 112276 -> 112198 (-0.07%)
instructions in affected programs: 2239 -> 2161 (-3.48%)
total estimated cycles in shared programs: 283102 -> 283038 (-0.02%)
estimated cycles in affected programs: 2365 -> 2301 (-2.71%)
---
src/compiler/nir/nir_opt_algebraic.py | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index fd228017c54e..7d04ef941b73 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -197,6 +197,7 @@ optimizations = [
(('iand', a, 0), 0),
(('ior', a, a), a),
(('ior', a, 0), a),
+ (('ior', a, True), True),
(('fxor', a, a), 0.0),
(('ixor', a, a), 0),
(('ixor', a, 0), a),
--
2.8.1
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