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nir/spirv: Use the nir_ssa_undef helper from nir_builder

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This commit is contained in:
Jason Ekstrand 2016-03-25 10:40:45 -07:00
parent d2eee52a65
commit ab31951bef
1 changed files with 4 additions and 9 deletions
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13
src/compiler/nir/spirv/spirv_to_nir.c
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@ -38,11 +38,8 @@ vtn_undef_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
if (glsl_type_is_vector_or_scalar(type)) {
unsigned num_components = glsl_get_vector_elements(val->type);
nir_ssa_undef_instr *undef =
nir_ssa_undef_instr_create(b->shader, num_components);
nir_instr_insert_before_cf_list(&b->impl->body, &undef->instr);
val->def = &undef->def;
unsigned bit_size = glsl_get_bit_size(glsl_get_base_type(val->type));
val->def = nir_ssa_undef(&b->nb, num_components, bit_size);
} else {
unsigned elems = glsl_get_length(val->type);
val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
@ -1863,13 +1860,11 @@ vtn_vector_shuffle(struct vtn_builder *b, unsigned num_components,
{
nir_alu_instr *vec = create_vec(b->shader, num_components, src0->bit_size);
nir_ssa_undef_instr *undef = nir_ssa_undef_instr_create(b->shader, 1);
nir_builder_instr_insert(&b->nb, &undef->instr);
for (unsigned i = 0; i < num_components; i++) {
uint32_t index = indices[i];
if (index == 0xffffffff) {
vec->src[i].src = nir_src_for_ssa(&undef->def);
vec->src[i].src =
nir_src_for_ssa(nir_ssa_undef(&b->nb, 1, src0->bit_size));
} else if (index < src0->num_components) {
vec->src[i].src = nir_src_for_ssa(src0);
vec->src[i].swizzle[0] = index;