[Mesa-dev] [PATCH] nir: add nir_instr_type_tex support to nir_lower_phis_to_scalar()

[Timothy Arceri]

shader-db results i965 (SKL):

total instructions in shared programs: 13219105 -> 13024761 (-1.47%)
instructions in affected programs: 1169457 -> 975113 (-16.62%)
helped: 599
HURT: 154

total cycles in shared programs: 333968972 -> 324822073 (-2.74%)
cycles in affected programs: 130032440 -> 120885541 (-7.03%)
helped: 590
HURT: 216

total spills in shared programs: 57947 -> 29130 (-49.73%)
spills in affected programs: 53364 -> 24547 (-54.00%)
helped: 351
HURT: 0

total fills in shared programs: 51310 -> 25468 (-50.36%)
fills in affected programs: 44882 -> 19040 (-57.58%)
helped: 351
HURT: 0
---
 src/compiler/nir/nir_lower_phis_to_scalar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_lower_phis_to_scalar.c b/src/compiler/nir/nir_lower_phis_to_scalar.c
index 16001f73685..f6f702bca15 100644
--- a/src/compiler/nir/nir_lower_phis_to_scalar.c
+++ b/src/compiler/nir/nir_lower_phis_to_scalar.c
@@ -74,6 +74,7 @@ is_phi_src_scalarizable(nir_phi_src *src,
       /* A phi is scalarizable if we're going to lower it */
       return should_lower_phi(nir_instr_as_phi(src_instr), state);
 
+   case nir_instr_type_tex:
    case nir_instr_type_load_const:
    case nir_instr_type_ssa_undef:
       /* These are trivially scalarizable */
-- 
2.20.1