nir: nir_range_analysis needs to be updated for vec16

Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6275>
diff --git a/src/compiler/nir/nir_range_analysis.c b/src/compiler/nir/nir_range_analysis.c
index 14f9306..0793d67 100644
--- a/src/compiler/nir/nir_range_analysis.c
+++ b/src/compiler/nir/nir_range_analysis.c
@@ -87,7 +87,10 @@
 analyze_constant(const struct nir_alu_instr *instr, unsigned src,
                  nir_alu_type use_type)
 {
-   uint8_t swizzle[4] = { 0, 1, 2, 3 };
+   uint8_t swizzle[NIR_MAX_VEC_COMPONENTS] = { 0, 1, 2, 3,
+                                               4, 5, 6, 7,
+                                               8, 9, 10, 11,
+                                               12, 13, 14, 15 };
 
    /* If the source is an explicitly sized source, then we need to reset
     * both the number of components and the swizzle.