From 75880655f836e173a09c75955fe7a85f84037b06 Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Thu, 1 May 2025 12:53:03 +0100
Subject: [PATCH] nir/lower_gs_intrinsics: silence warning
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../../../../../../../mesa/src/compiler/nir/nir_lower_gs_intrinsics.c: In function ‘nir_lower_gs_intrinsics’:
../../../../../../../mesa/src/compiler/nir/nir_lower_gs_intrinsics.c:523:93: warning: ‘state’ may be used uninitialized [-Wmaybe-uninitialized]
  523 |             state.decomposed_primitive_count_vars[i] = state.decomposed_primitive_count_vars[0];
      |                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
../../../../../../../mesa/src/compiler/nir/nir_lower_gs_intrinsics.c:464:17: note: ‘state’ declared here
  464 |    struct state state;
      |                 ^~~~~

It's always initialized by the first iteration of the loop, but GCC
doesn't seem to know that.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34785>
---
 src/compiler/nir/nir_lower_gs_intrinsics.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_lower_gs_intrinsics.c b/src/compiler/nir/nir_lower_gs_intrinsics.c
index b6dc21d2992..da613e796d7 100644
--- a/src/compiler/nir/nir_lower_gs_intrinsics.c
+++ b/src/compiler/nir/nir_lower_gs_intrinsics.c
@@ -462,6 +462,7 @@ nir_lower_gs_intrinsics(nir_shader *shader, nir_lower_gs_intrinsics_flags option
    }
 
    struct state state;
+   memset(&state, 0, sizeof(state));
    state.progress = false;
    state.count_prims = count_primitives;
    state.count_vtx_per_prim = count_vtx_per_prim;