llvmpipe: Fix real uninitialized use of "atype" for SEMANTIC_FACE

Fixes: 502548a09c5a ("gallivm/llvmpipe: add support for front facing in sysval.")
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3867>

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 913fcb2a914b12a1512026a42c060ad52ace9657..38e92cb67d3cda800229640f2a2b54e2ffa28afb 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -1548,6 +1548,7 @@ emit_fetch_system_value(
 
    case TGSI_SEMANTIC_FACE:
       res = lp_build_broadcast_scalar(&bld_base->uint_bld, bld->system_values.front_facing);
+      atype = TGSI_TYPE_UNSIGNED;
       break;
 
   case TGSI_SEMANTIC_DRAWID: