On 02/10/2018 08:33 AM, Eric Anholt wrote:
> It doesn't know that elems >= 1.
Does adding assume(elems >= 1) help?
> Cc: Jason Ekstrand <jason.ekstr...@intel.com>
> ---
> src/compiler/spirv/spirv_to_nir.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/compiler/spirv/spirv_to_nir.c
> b/src/compiler/spirv/spirv_to_nir.c
> index c6df764682ec..f86d45511df8 100644
> --- a/src/compiler/spirv/spirv_to_nir.c
> +++ b/src/compiler/spirv/spirv_to_nir.c
> @@ -2923,7 +2923,7 @@ vtn_handle_composite(struct vtn_builder *b, SpvOp
> opcode,
> case SpvOpCompositeConstruct: {
> unsigned elems = count - 3;
> if (glsl_type_is_vector_or_scalar(type)) {
> - nir_ssa_def *srcs[4];
> + nir_ssa_def *srcs[4] = { NULL };
> for (unsigned i = 0; i < elems; i++)
> srcs[i] = vtn_ssa_value(b, w[3 + i])->def;
> val->ssa->def =
>
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