[Mesa-dev] [PATCH 3/4] nir/lower_phis_to_scalar: undef is trivially scalarizable

Rob Clark robdclark at gmail.com
Wed Jul 1 08:02:29 PDT 2015


From: Rob Clark <robclark at freedesktop.org>

Signed-off-by: Rob Clark <robclark at freedesktop.org>
---
 src/glsl/nir/nir_lower_phis_to_scalar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/glsl/nir/nir_lower_phis_to_scalar.c b/src/glsl/nir/nir_lower_phis_to_scalar.c
index a57d253..739170d 100644
--- a/src/glsl/nir/nir_lower_phis_to_scalar.c
+++ b/src/glsl/nir/nir_lower_phis_to_scalar.c
@@ -75,6 +75,7 @@ is_phi_src_scalarizable(nir_phi_src *src,
       return should_lower_phi(nir_instr_as_phi(src_instr), state);
 
    case nir_instr_type_load_const:
+   case nir_instr_type_ssa_undef:
       /* These are trivially scalarizable */
       return true;
 
-- 
2.4.3



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