spirv: Silence compiler warning about undefined srcs[0]

v2: Use assume() at the srcs[] definition instead.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 6a358c5973168b2b3ff6e4c71d6f63375e03c12e..3de45c47371e24ceaffdf46a0822345f4e6dec9c 100644 (file)
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -2925,6 +2925,7 @@ vtn_handle_composite(struct vtn_builder *b, SpvOp opcode,
 
    case SpvOpCompositeConstruct: {
       unsigned elems = count - 3;
+      assume(elems >= 1);
       if (glsl_type_is_vector_or_scalar(type)) {
          nir_ssa_def *srcs[4];
          for (unsigned i = 0; i < elems; i++)