[Mesa-dev] [PATCH v3 038/104] nir: Consider deref instructions in opt_peephole_select

Jason Ekstrand jason at jlekstrand.net
Tue Apr 3 18:33:05 UTC 2018


---
 src/compiler/nir/nir_opt_peephole_select.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/compiler/nir/nir_opt_peephole_select.c b/src/compiler/nir/nir_opt_peephole_select.c
index 4ca4f80..608701a 100644
--- a/src/compiler/nir/nir_opt_peephole_select.c
+++ b/src/compiler/nir/nir_opt_peephole_select.c
@@ -77,6 +77,17 @@ block_check_for_allowed_instrs(nir_block *block, unsigned *count, bool alu_ok)
             }
             break;
 
+         case nir_intrinsic_load_deref:
+            switch (nir_src_as_deref(intrin->src[0])->mode) {
+            case nir_var_shader_in:
+            case nir_var_uniform:
+               break;
+
+            default:
+               return false;
+            }
+            break;
+
          case nir_intrinsic_load_uniform:
             if (!alu_ok)
                return false;
-- 
2.5.0.400.gff86faf



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