hook_dead_node_elim(irg, 0);
}
+/**
+ * Transform helper for blocks.
+ */
+static ir_node *gen_Block(ir_node *node) {
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *start_block = be_get_old_anchor(anchor_start_block);
+ ir_node *block;
+
+ /*
+ * We replace the ProjX from the start node with a jump,
+ * so the startblock has no preds anymore now
+ */
+ if (node == start_block) {
+ return new_rd_Block(dbgi, irg, 0, NULL);
+ }
+
+ /* we use the old blocks for now, because jumps allow cycles in the graph
+ * we have to fix this later */
+ block = new_ir_node(dbgi, irg, NULL, get_irn_op(node), get_irn_mode(node),
+ get_irn_arity(node), get_irn_in(node) + 1);
+ copy_node_attr(node, block);
+
+#ifdef DEBUG_libfirm
+ block->node_nr = node->node_nr;
+#endif
+ be_set_transformed_node(node, block);
+
+ /* put the preds in the worklist */
+ be_enqueue_preds(node);
+
+ return block;
+}
+
+static ir_node *gen_End(ir_node *node) {
+ /* end has to be duplicated manually because we need a dynamic in array */
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ int i, arity;
+ ir_node *new_end;
+
+ new_end = new_ir_node(dbgi, irg, block, op_End, mode_X, -1, NULL);
+ copy_node_attr(node, new_end);
+ be_duplicate_deps(node, new_end);
+
+ set_irg_end(irg, new_end);
+ be_set_transformed_node(new_end, new_end);
+
+ /* transform preds */
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ ir_node *new_in = be_transform_node(in);
+
+ add_End_keepalive(new_end, new_in);
+ }
+
+ return new_end;
+}
+
void be_transform_graph(be_irg_t *birg, arch_pretrans_nodes *func, void *cg)
{
ir_graph *irg = birg->irg;
del_identities(irg->value_table);
irg->value_table = new_identities();
+ /* enter special helper */
+ op_Block->ops.generic = (op_func)gen_Block;
+ op_End->ops.generic = (op_func)gen_End;
+
/* do the main transformation */
transform_nodes(irg, func, cg);
return NULL;
}
-static ir_node *gen_End(ir_node *node) {
- /* end has to be duplicated manually because we need a dynamic in array */
- ir_graph *irg = current_ir_graph;
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *block = be_transform_node(get_nodes_block(node));
- int i, arity;
- ir_node *new_end;
-
- new_end = new_ir_node(dbgi, irg, block, op_End, mode_X, -1, NULL);
- copy_node_attr(node, new_end);
- be_duplicate_deps(node, new_end);
-
- set_irg_end(irg, new_end);
- be_set_transformed_node(new_end, new_end);
-
- /* transform preds */
- arity = get_irn_arity(node);
- for (i = 0; i < arity; ++i) {
- ir_node *in = get_irn_n(node, i);
- ir_node *new_in = be_transform_node(in);
-
- add_End_keepalive(new_end, new_in);
- }
-
- return new_end;
-}
-
-static ir_node *gen_Block(ir_node *node) {
- ir_graph *irg = current_ir_graph;
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *start_block = be_get_old_anchor(anchor_start_block);
- ir_node *block;
-
- /*
- * We replace the ProjX from the start node with a jump,
- * so the startblock has no preds anymore now
- */
- if (node == start_block) {
- return new_rd_Block(dbgi, irg, 0, NULL);
- }
-
- /* we use the old blocks for now, because jumps allow cycles in the graph
- * we have to fix this later */
- block = new_ir_node(dbgi, irg, NULL, get_irn_op(node), get_irn_mode(node),
- get_irn_arity(node), get_irn_in(node) + 1);
- copy_node_attr(node, block);
-
-#ifdef DEBUG_libfirm
- block->node_nr = node->node_nr;
-#endif
- be_set_transformed_node(node, block);
-
- /* put the preds in the worklist */
- be_enqueue_preds(node);
-
- return block;
-}
-
/**
* Transform the Projs of an AddSP.
*/
GEN(Proj);
GEN(Phi);
- GEN(Block);
- GEN(End);
-
/* transform ops from intrinsic lowering */
GEN(ia32_l_Add);
GEN(ia32_l_Adc);