Totals from affected shaders:
SGPRS: 80 -> 80 (0.00 %)
VGPRS: 48 -> 48 (0.00 %)
Code Size: 2120 -> 2096 (-1.13 %) bytes
Max Waves: 16 -> 16 (0.00 %)
Only two Rise of Tomb Raider shaders are affected on my side.
Cc: Ian Romanick <ian.d.roman...@intel.com>
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/compiler/nir/nir_opt_algebraic.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index 909ea3daf4..95b5813bd7 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -280,6 +280,8 @@ optimizations = [
(('iand', ('uge(is_used_once)', a, b), ('uge', a, c)), ('uge', a, ('umax',
b, c))),
(('iand', ('uge(is_used_once)', a, c), ('uge', b, c)), ('uge', ('umin', a,
b), c)),
+ (('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('ior', 'a@32',
'b@32'), 0)),
+
# These patterns can result when (a < b || a < c) => (a < min(b, c))
# transformations occur before constant propagation and loop-unrolling.
(('~flt', a, ('fmax', b, a)), ('flt', a, b)),
--
2.17.0
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