/* Mux support */
ir_node *get_Mux_sel (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_cond(node, 0);
+ }
assert(node->op == op_Mux);
return node->in[1];
}
void set_Mux_sel (ir_node *node, ir_node *sel) {
- assert(node->op == op_Mux);
- node->in[1] = sel;
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_cond(node, 0, sel);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[1] = sel;
+ }
}
ir_node *get_Mux_false (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_default(node);
+ }
assert(node->op == op_Mux);
return node->in[2];
}
void set_Mux_false (ir_node *node, ir_node *ir_false) {
- assert(node->op == op_Mux);
- node->in[2] = ir_false;
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_default(node, ir_false);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[2] = ir_false;
+ }
}
ir_node *get_Mux_true (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_val(node, 0);
+ }
assert(node->op == op_Mux);
return node->in[3];
}
void set_Mux_true (ir_node *node, ir_node *ir_true) {
- assert(node->op == op_Mux);
- node->in[3] = ir_true;
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_val(node, 0, ir_true);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[3] = ir_true;
+ }
+}
+
+/* Psi support */
+ir_node *get_Psi_cond (ir_node *node, int pos) {
+ int num_conds = get_irn_arity(node) >> 1;
+ assert(node->op == op_Psi);
+ assert(pos < num_conds);
+ return node->in[1 + 2 * pos];
+}
+
+void set_Psi_cond (ir_node *node, int pos, ir_node *cond) {
+ int num_conds = get_irn_arity(node) >> 1;
+ assert(node->op == op_Psi);
+ assert(pos < num_conds);
+ node->in[1 + 2 * pos] = cond;
+}
+
+ir_node *get_Psi_val (ir_node *node, int pos) {
+ int num_vals = get_irn_arity(node) >> 1;
+ assert(node->op == op_Psi);
+ assert(pos < num_vals);
+ return node->in[1 + 2 * pos + 1];
+}
+
+void set_Psi_val (ir_node *node, int pos, ir_node *val) {
+ int num_vals = get_irn_arity(node) >> 1;
+ assert(node->op == op_Psi);
+ assert(pos < num_vals);
+ node->in[1 + 2 * pos + 1] = val;
+}
+
+ir_node *get_Psi_default(ir_node *node) {
+ int def_pos = get_irn_arity(node);
+ assert(node->op == op_Psi);
+ return node->in[def_pos];
+}
+
+void set_Psi_default(ir_node *node, ir_node *val) {
+ int def_pos = get_irn_arity(node);
+ assert(node->op == op_Psi);
+ node->in[def_pos] = node;
}
/* CopyB support */
pn_Cmp get_Confirm_cmp (ir_node *node);
void set_Confirm_cmp (ir_node *node, pn_Cmp cmp);
+/*
+ * Mux Support: Note that Psi nodes with one condition can be handled
+ * like Mux nodes, and the access functions work as expected.
+ */
ir_node *get_Mux_sel (ir_node *node);
void set_Mux_sel (ir_node *node, ir_node *sel);
ir_node *get_Mux_false (ir_node *node);
ir_node *get_Mux_true (ir_node *node);
void set_Mux_true (ir_node *node, ir_node *ir_true);
+ir_node *get_Psi_cond (ir_node *node, int pos);
+void set_Psi_cond (ir_node *node, int pos, ir_node *cond);
+ir_node *get_Psi_val (ir_node *node, int pos);
+void set_Psi_val (ir_node *node, int pos, ir_node *val);
+ir_node *get_Psi_default(ir_node *node);
+void set_Psi_default(ir_node *node, ir_node *val);
+
/**
* Projection numbers for result of CopyB node: use for Proj nodes!
*/
int is_Call (const ir_node *node);
/** returns true if node is a Sel node. */
int is_Sel (const ir_node *node);
+/** returns true if node is a Mux node or a Psi with only one condition. */
+int is_Mux (const ir_node *node);
/** returns true if node is a Proj node or a Filter node in
* intraprocedural view */
int is_Proj (const ir_node *node);
return (node && _get_irn_op(node) == op_Sel);
}
+static INLINE int
+_is_Mux (const ir_node *node) {
+ assert(node);
+ if (node) {
+ ir_op *op = _get_irn_op(node);
+ return (op == op_Mux || ((op == op_Psi) && _get_irn_arity(node) == 3));
+ }
+ return 0;
+}
+
static INLINE int
_is_no_Block(const ir_node *node) {
assert(node && _is_ir_node(node));
#define is_Return(node) _is_Return(node)
#define is_Call(node) _is_Call(node)
#define is_Sel(node) _is_Sel(node)
+#define is_Mux(node) _is_Mux(node)
#define is_Bad(node) _is_Bad(node)
#define is_no_Block(node) _is_no_Block(node)
#define is_Block(node) _is_Block(node)