From 18175ab66fa4d315c75b447f0834396df8774e95 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Mon, 2 Apr 2018 16:44:40 -0700
Subject: [PATCH 1/1] nir: Remove deref chain support from opt_undef

Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---
 src/compiler/nir/nir_opt_undef.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_opt_undef.c b/src/compiler/nir/nir_opt_undef.c
index e42a9af2bdf..428a1f26599 100644
--- a/src/compiler/nir/nir_opt_undef.c
+++ b/src/compiler/nir/nir_opt_undef.c
@@ -112,7 +112,6 @@ opt_undef_store(nir_intrinsic_instr *intrin)
    case nir_intrinsic_store_deref:
       arg_index = 1;
       break;
-   case nir_intrinsic_store_var:
    case nir_intrinsic_store_output:
    case nir_intrinsic_store_per_vertex_output:
    case nir_intrinsic_store_ssbo:
@@ -138,6 +137,8 @@ nir_opt_undef(nir_shader *shader)
    nir_builder b;
    bool progress = false;
 
+   nir_assert_unlowered_derefs(shader, nir_lower_load_store_derefs);
+
    nir_foreach_function(function, shader) {
       if (function->impl) {
          nir_builder_init(&b, function->impl);
-- 
2.30.2