set_irn_n(node, pos, pred);
}
+ir_node *
+(get_Block_cfgpred_block)(ir_node *node, int pos) {
+ return _get_Block_cfgpred_block(node, pos);
+}
+
bool
get_Block_matured (ir_node *node) {
assert (node->op == op_Block);
int get_Block_n_cfgpreds (ir_node *node);
ir_node *get_Block_cfgpred (ir_node *node, int pos);
void set_Block_cfgpred (ir_node *node, int pos, ir_node *pred);
+/** Get the predecessor block.
+ *
+ * Returns the block corresonding to the predecessor pos of block.
+ *
+ * There are several ambiguities we resolve with this function:
+ * - The direct predecessor can be a Proj, which is not pinned.
+ * We walk from the predecessor to the next pinned node
+ * (skip_Proj) and return the block that node is in.
+ * - If we encounter the Bad node, this function does not return
+ * Start, but the Bad node.
+ */
+ir_node *get_Block_cfgpred_block(ir_node *node, int pos);
bool get_Block_matured (ir_node *node);
void set_Block_matured (ir_node *node, bool matured);
return _get_irn_n(node, pos);
}
+/* Get the predecessor block.
+ *
+ * Returns the block corresonding to the predecessor pos.
+ *
+ * There are several ambiguities we resolve with this function:
+ * - The direct predecessor can be a Proj, which is not pinned.
+ * We walk from the predecessor to the next pinned node
+ * (skip_Proj) and return the block that node is in.
+ * - If we encounter the Bad node, this function does not return
+ * Start, but the Bad node.
+ */
+static INLINE ir_node *
+_get_Block_cfgpred_block(ir_node *node, int pos) {
+ ir_node *res = skip_Proj(get_Block_cfgpred(node, pos));
+ if (!is_Bad(res))
+ res = get_nodes_block(res);
+ return res;
+}
+
static INLINE unsigned long
_get_Block_block_visited (ir_node *node) {
assert (node->op == op_Block);
#define is_Block(node) _is_Block(node)
#define get_Block_n_cfgpreds(node) _get_Block_n_cfgpreds(node)
#define get_Block_cfgpred(node, pos) _get_Block_cfgpred(node, pos)
+#define get_Block_cfgpred_block(node, pos) _get_Block_cfgpred_block(node, pos)
#define get_Block_block_visited(node) _get_Block_block_visited(node)
#define set_Block_block_visited(node, visit) _set_Block_block_visited(node, visit)
#define mark_Block_block_visited(node) _mark_Block_block_visited(node)