Giovanni Mascellani : vkd3d-shader/ir: Skip invalid blocks when materializing undominated SSAs.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: d8e4b19cdcd7917d82a70fc2f1cb31166fa52742
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/d8e4b19cdcd7917d82a70fc2f1cb31...

Author: Giovanni Mascellani <gmascellani(a)codeweavers.com>
Date:   Fri Apr 19 13:13:15 2024 +0200

vkd3d-shader/ir: Skip invalid blocks when materializing undominated SSAs.

---

 libs/vkd3d-shader/ir.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index 1f8d60c6..974cfb91 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -5001,6 +5001,9 @@ static enum vkd3d_result vsir_cfg_materialize_undominated_ssas_to_temps(struct v
         struct vsir_block *block = &cfg->blocks[i];
         struct vkd3d_shader_instruction *ins;
 
+        if (block->label == 0)
+            continue;
+
         for (ins = block->begin; ins <= block->end; ++ins)
         {
             for (j = 0; j < ins->dst_count; ++j)
@@ -5016,6 +5019,9 @@ static enum vkd3d_result vsir_cfg_materialize_undominated_ssas_to_temps(struct v
         struct vsir_block *block = &cfg->blocks[i];
         struct vkd3d_shader_instruction *ins;
 
+        if (block->label == 0)
+            continue;
+
         for (ins = block->begin; ins <= block->end; ++ins)
         {
             for (j = 0; j < ins->src_count; ++j)