nir: support lowering clipdist to arrays

[mesa.git] / src / compiler / nir / nir_opt_undef.c

diff --git a/src/compiler/nir/nir_opt_undef.c b/src/compiler/nir/nir_opt_undef.c
index 8d3210c637e0232b4125fdba5d37e620a33c4dd1..1f939e82c68e25f188cc515add2f9daccc47437d 100644 (file)
--- a/src/compiler/nir/nir_opt_undef.c
+++ b/src/compiler/nir/nir_opt_undef.c
@@ -63,7 +63,7 @@ opt_undef_csel(nir_alu_instr *instr)
       memset(&empty_src, 0, sizeof(empty_src));
       nir_instr_rewrite_src(&instr->instr, &instr->src[1].src, empty_src);
       nir_instr_rewrite_src(&instr->instr, &instr->src[2].src, empty_src);
-      instr->op = nir_op_imov;
+      instr->op = nir_op_mov;
 
       return true;
    }
@@ -80,8 +80,7 @@ opt_undef_vecN(nir_builder *b, nir_alu_instr *alu)
    if (alu->op != nir_op_vec2 &&
        alu->op != nir_op_vec3 &&
        alu->op != nir_op_vec4 &&
-       alu->op != nir_op_fmov &&
-       alu->op != nir_op_imov)
+       alu->op != nir_op_mov)
       return false;
 
    assert(alu->dest.dest.is_ssa);
@@ -107,19 +106,23 @@ opt_undef_vecN(nir_builder *b, nir_alu_instr *alu)
 static bool
 opt_undef_store(nir_intrinsic_instr *intrin)
 {
+   int arg_index;
    switch (intrin->intrinsic) {
-   case nir_intrinsic_store_var:
+   case nir_intrinsic_store_deref:
+      arg_index = 1;
+      break;
    case nir_intrinsic_store_output:
    case nir_intrinsic_store_per_vertex_output:
    case nir_intrinsic_store_ssbo:
    case nir_intrinsic_store_shared:
+      arg_index =  0;
       break;
    default:
       return false;
    }
 
-   if (!intrin->src[0].is_ssa ||
-       intrin->src[0].ssa->parent_instr->type != nir_instr_type_ssa_undef)
+   if (!intrin->src[arg_index].is_ssa ||
+       intrin->src[arg_index].ssa->parent_instr->type != nir_instr_type_ssa_undef)
       return false;
 
    nir_instr_remove(&intrin->instr);
@@ -150,10 +153,15 @@ nir_opt_undef(nir_shader *shader)
             }
          }
 
-         if (progress)
+         if (progress) {
             nir_metadata_preserve(function->impl,
                                   nir_metadata_block_index |
                                   nir_metadata_dominance);
+         } else {
+#ifndef NDEBUG
+            function->impl->valid_metadata &= ~nir_metadata_not_properly_reset;
+#endif
+         }
       }
    }