Lines Matching defs:alu
78 opt_undef_vecN(nir_builder *b, nir_alu_instr *alu)
80 if (alu->op != nir_op_vec2 &&
81 alu->op != nir_op_vec3 &&
82 alu->op != nir_op_vec4 &&
83 alu->op != nir_op_fmov &&
84 alu->op != nir_op_imov)
87 assert(alu->dest.dest.is_ssa);
89 for (unsigned i = 0; i < nir_op_infos[alu->op].num_inputs; i++) {
90 if (!alu->src[i].src.is_ssa ||
91 alu->src[i].src.ssa->parent_instr->type != nir_instr_type_ssa_undef)
95 b->cursor = nir_before_instr(&alu->instr);
96 nir_ssa_def *undef = nir_ssa_undef(b, alu->dest.dest.ssa.num_components,
97 nir_dest_bit_size(alu->dest.dest));
98 nir_ssa_def_rewrite_uses(&alu->dest.dest.ssa, nir_src_for_ssa(undef));
142 nir_alu_instr *alu = nir_instr_as_alu(instr);
144 progress = opt_undef_csel(alu) || progress;
145 progress = opt_undef_vecN(&b, alu) || progress;
