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vtn: assert that vector shuffle indices are in-bounds

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Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16667>
This commit is contained in:
Mike Blumenkrantz 2022-05-21 18:53:07 -04:00 • committed by Marge Bot
parent 01ba3460a9
commit 54e1072ff6
1 changed files with 5 additions and 0 deletions
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5
src/compiler/spirv/spirv_to_nir.c
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@ -3898,6 +3898,11 @@ vtn_vector_shuffle(struct vtn_builder *b, unsigned num_components,
for (unsigned i = 0; i < num_components; i++) {
uint32_t index = indices[i];
unsigned total_components = src0->num_components + src1->num_components;
vtn_fail_if(index != 0xffffffff && index >= total_components,
"OpVectorShuffle: All Component literals must either be "
"FFFFFFFF or in [0, N - 1] (inclusive)");
if (index == 0xffffffff) {
vec->src[i].src =
nir_src_for_ssa(nir_ssa_undef(&b->nb, 1, src0->bit_size));