/* Mark every loop that we're currently analyzing as containing an ir_call
* (even those at outer nesting levels).
*/
- foreach_list(node, &this->state) {
- loop_variable_state *const ls = (loop_variable_state *) node;
+ foreach_in_list(loop_variable_state, ls, &this->state) {
ls->contains_calls = true;
}
bool nested = false;
- foreach_list(node, &this->state) {
- loop_variable_state *const ls = (loop_variable_state *) node;
-
+ foreach_in_list(loop_variable_state, ls, &this->state) {
ir_variable *var = ir->variable_referenced();
loop_variable *lv = ls->get_or_insert(var, this->in_assignee);
if (ls->contains_calls)
return visit_continue;
- foreach_list(node, &ir->body_instructions) {
+ foreach_in_list(ir_instruction, node, &ir->body_instructions) {
/* Skip over declarations at the start of a loop.
*/
- if (((ir_instruction *) node)->as_variable())
+ if (node->as_variable())
continue;
ir_if *if_stmt = ((ir_instruction *) node)->as_if();
}
- foreach_list_safe(node, &ls->variables) {
- loop_variable *lv = (loop_variable *) node;
-
+ foreach_in_list_safe(loop_variable, lv, &ls->variables) {
/* Move variables that are already marked as being loop constant to
* a separate list. These trivially don't need to be tested.
*/
do {
progress = false;
- foreach_list_safe(node, &ls->variables) {
- loop_variable *lv = (loop_variable *) node;
-
+ foreach_in_list_safe(loop_variable, lv, &ls->variables) {
if (lv->conditional_or_nested_assignment || (lv->num_assignments > 1))
continue;
/* The remaining variables that are not loop invariant might be loop
* induction variables.
*/
- foreach_list_safe(node, &ls->variables) {
- loop_variable *lv = (loop_variable *) node;
-
+ foreach_in_list_safe(loop_variable, lv, &ls->variables) {
/* If there is more than one assignment to a variable, it cannot be a
* loop induction variable. This isn't strictly true, but this is a
* very simple induction variable detector, and it can't handle more
* Also figure out which terminator (if any) produces the smallest
* iteration count--this is the limiting terminator.
*/
- foreach_list(node, &ls->terminators) {
- loop_terminator *t = (loop_terminator *) node;
+ foreach_in_list(loop_terminator, t, &ls->terminators) {
ir_if *if_stmt = t->ir;
/* If-statements can be either 'if (expr)' or 'if (deref)'. We only care
loop_variable *lv =
(loop_variable *) hash_table_find(var_hash, inc_var);
- if (!lv->is_loop_constant())
- inc = NULL;
+ if (lv == NULL || !lv->is_loop_constant()) {
+ assert(lv != NULL);
+ inc = NULL;
+ }
} else
inc = NULL;
}