break;
}
- ppir_node_add_dep(node, child);
+ if (child->op != ppir_op_undef)
+ ppir_node_add_dep(node, child);
}
else {
nir_register *reg = ns->reg.reg;
static ppir_node *ppir_emit_ssa_undef(ppir_block *block, nir_instr *ni)
{
- ppir_error("nir_ssa_undef_instr not support\n");
- return NULL;
+ nir_ssa_undef_instr *undef = nir_instr_as_ssa_undef(ni);
+ ppir_node *node = ppir_node_create_ssa(block, ppir_op_undef, &undef->def);
+ if (!node)
+ return NULL;
+ ppir_alu_node *alu = ppir_node_to_alu(node);
+
+ ppir_dest *dest = &alu->dest;
+ dest->ssa.undef = true;
+ ppir_reg *ssa = &dest->ssa;
+
+ list_add(&ssa->list, &block->comp->reg_list);
+
+ return node;
}
static ppir_node *ppir_emit_tex(ppir_block *block, nir_instr *ni)