diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index fbc0235cd..f2fc91538 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -2137,6 +2137,9 @@ int d3dbc_compile(struct vsir_program *program, uint64_t config_flags,
     struct vkd3d_bytecode_buffer *buffer = &d3dbc.buffer;
     int result;
 
+    if ((result = vsir_allocate_temp_registers(program, message_context)))
+        return result;
+
     d3dbc.program = program;
     d3dbc.message_context = message_context;
     switch (version->type)
diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index 1429c3a87..9b3d4317e 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -7725,6 +7725,16 @@ static enum vkd3d_result vsir_program_insert_vertex_fog(struct vsir_program *pro
     return VKD3D_OK;
 }
 
+enum vkd3d_result vsir_allocate_temp_registers(struct vsir_program *program,
+        struct vkd3d_shader_message_context *message_context)
+{
+    if (!program->ssa_count)
+        return VKD3D_OK;
+
+    vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_VSIR_NOT_IMPLEMENTED, "Allocate SSA registers.");
+    return VKD3D_ERROR_NOT_IMPLEMENTED;
+}
+
 struct validation_context
 {
     struct vkd3d_shader_message_context *message_context;
diff --git a/libs/vkd3d-shader/tpf.c b/libs/vkd3d-shader/tpf.c
index ae3fa1650..01af2f6eb 100644
--- a/libs/vkd3d-shader/tpf.c
+++ b/libs/vkd3d-shader/tpf.c
@@ -4463,6 +4463,9 @@ int tpf_compile(struct vsir_program *program, uint64_t config_flags, const struc
     size_t i;
     int ret;
 
+    if ((ret = vsir_allocate_temp_registers(program, message_context)))
+        return ret;
+
     tpf.program = program;
     tpf.buffer = NULL;
     tpf.stat = &stat;
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index b653fd93f..de8301b8b 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -1503,6 +1503,8 @@ struct vsir_program
     size_t block_name_count;
 };
 
+enum vkd3d_result vsir_allocate_temp_registers(struct vsir_program *program,
+        struct vkd3d_shader_message_context *message_context);
 void vsir_program_cleanup(struct vsir_program *program);
 int vsir_program_compile(struct vsir_program *program, uint64_t config_flags,
         const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_code *out,