ir_copy_propagation_elements_visitor::visit_leave(ir_assignment *ir)
{
ir_dereference_variable *lhs = ir->lhs->as_dereference_variable();
+ ir_variable *var = ir->lhs->variable_referenced();
+
+ if (var->type->is_scalar() || var->type->is_vector()) {
+ kill_entry *k;
+
+ if (lhs)
+ k = new(mem_ctx) kill_entry(var, ir->write_mask);
+ else
+ k = new(mem_ctx) kill_entry(var, ~0);
- if (lhs && (lhs->type->is_scalar() || lhs->type->is_vector())) {
- kill_entry *k = new(mem_ctx) kill_entry(lhs->var, ir->write_mask);
kill(k);
}
if (entry->lhs == k->var) {
entry->write_mask = entry->write_mask & ~k->write_mask;
- if (entry->write_mask == 0)
+ if (entry->write_mask == 0) {
entry->remove();
+ continue;
+ }
}
if (entry->rhs == k->var) {
entry->remove();