#ifdef AVOID_PHIB
/* we may not copy mode_b nodes, because this could produce phi with
* mode_bs which can't be handled in all backends. Instead we duplicate
- * the node and move it to it's users */
+ * the node and move it to its users */
if (mode == mode_b) {
const ir_edge_t *edge, *next;
ir_node *pred;
}
/**
- * returns wether the cmp evaluates to true or false, or can't be evaluated!
+ * returns whether the cmp evaluates to true or false, or can't be evaluated!
* 1: true, 0: false, -1: can't evaluate
*/
static int eval_cmp(pn_Cmp pnc, tarval *tv1, tarval *tv2) {
return 1;
}
+/**
+ * Check for Const or constlike Confirm.
+ */
+static int is_Const_or_Confirm(const ir_node *node) {
+ if (is_Confirm(node)) {
+ if (get_Confirm_cmp(node) == pn_Cmp_Eq)
+ node = get_Confirm_bound(node);
+ }
+ return is_Const(node);
+}
+
+/**
+ * get the tarval of a COnst or constlike Confirm
+ */
+static tarval *get_Const_or_Confirm_tarval(const ir_node *node) {
+ if (is_Confirm(node)) {
+ if (get_Confirm_cmp(node) == pn_Cmp_Eq)
+ node = get_Confirm_bound(node);
+ }
+ return get_Const_tarval(node);
+}
+
static ir_node *find_const(condeval_env_t *env, ir_node *jump, ir_node *value)
{
ir_node *block = get_nodes_block(jump);
- if(irn_visited(value))
+ if (irn_visited(value))
return NULL;
mark_irn_visited(value);
- if(is_Const(value)) {
+ if(is_Const_or_Confirm(value)) {
tarval *tv_const = get_Const_tarval(env->cnst);
- tarval *tv = get_Const_tarval(value);
+ tarval *tv = get_Const_or_Confirm_tarval(value);
if(eval_cmp(env->pnc, tv, tv_const) <= 0) {
return NULL;
}
mark_irn_visited(value);
- if(is_Const(value)) {
- tarval *tv = get_Const_tarval(value);
+ if(is_Const_or_Confirm(value)) {
+ tarval *tv = get_Const_or_Confirm_tarval(value);
if(tv != env->tv)
return NULL;
if (get_irn_mode(selector) != mode_b)
return;
- /* handle cases that can be immediately evalutated */
+ /* handle cases that can be immediately evaluated */
selector_evaluated = -1;
if(is_Proj(selector)) {
ir_node *cmp = get_Proj_pred(selector);
return;
}
}
- } else if(is_Const(selector)) {
- tarval *tv = get_Const_tarval(selector);
+ } else if(is_Const_or_Confirm(selector)) {
+ tarval *tv = get_Const_or_Confirm_tarval(selector);
if(tv == get_tarval_b_true()) {
selector_evaluated = 1;
} else {