draw: Silence warning

This peice of code has been here since the inital commit (c5c5cd71) and the
code that used instance_id_index was removed in (caede752) by José.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
index de6ce7f..1e17f80 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
@@ -71,8 +71,6 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle,
    struct draw_llvm_variant_key *key;
    struct draw_llvm_variant *variant = NULL;
    struct draw_llvm_variant_list_item *li;
-   unsigned i;
-   unsigned instance_id_index = ~0;
    const unsigned out_prim = (draw->gs.geometry_shader ? 
                               draw->gs.geometry_shader->output_primitive :
                               in_prim);
@@ -83,16 +81,6 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle,
    const unsigned nr = MAX2( shader->base.info.num_inputs,
                              shader->base.info.num_outputs + 1 );
 
-   /* Scan for instanceID system value.
-    * XXX but we never use instance_id_index?!
-    */
-   for (i = 0; i < shader->base.info.num_inputs; i++) {
-      if (shader->base.info.input_semantic_name[i] == TGSI_SEMANTIC_INSTANCEID) {
-         instance_id_index = i;
-         break;
-      }
-   }
-
    fpme->input_prim = in_prim;
    fpme->opt = opt;