anv: Bounds-check pushed UBOs when robustBufferAccess = true

We also have to add nir_intrinsic_load_push_constant to the list of
intrinsics which use push constants in brw_nir_analyze_ubo_ranges
because we're moving the loop where we rewrite the intrinsics to after
we've analyzed UBO loads.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3777>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3777>

src/intel/vulkan/anv_private.h

@@ -2476,6 +2476,9 @@ struct anv_push_constants {
    /** Dynamic offsets for dynamic UBOs and SSBOs */
    uint32_t dynamic_offsets[MAX_DYNAMIC_BUFFERS];
 
+   /** Pad out to a multiple of 32 bytes */
+   uint32_t push_ubo_sizes[4];
+
    struct {
       /** Base workgroup ID
        *
@@ -2489,9 +2492,6 @@ struct anv_push_constants {
        * uploading the push constants for compute shaders.
        */
       uint32_t subgroup_id;
-
-      /** Pad out to a multiple of 32 bytes */
-      uint32_t pad[4];
    } cs;
 };