* Creates an ir_graph pass for optimize_graph_df().
*
* @param name the name of this pass or NULL
- * @param verify should this pass be verified?
- * @param dump should this pass result be dumped?
*
* @return the newly created ir_graph pass
*/
-ir_graph_pass_t *optimize_graph_df_pass(const char *name, int verify, int dump);
-
-/** Performs dead node elimination by copying the ir graph to a new obstack.
- *
- * The major intention of this pass is to free memory occupied by
- * dead nodes and outdated analyzes information. Further this
- * function removes Bad predecessors from Blocks and the corresponding
- * inputs to Phi nodes. This opens optimization potential for other
- * optimizations. Further this phase reduces dead Block<->Jmp
- * self-cycles to Bad nodes.
- *
- * Dead_node_elimination is only performed if options `optimize' and
- * `opt_dead_node_elimination' are set. The graph may
- * not be in state phase_building. The outs datasturcture is freed,
- * the outs state set to outs_none. Backedge information is conserved.
- * Removes old attributes of nodes. Sets link field to NULL.
- * Callee information must be freed (irg_callee_info_none).
- *
- * @param irg The graph to be optimized.
- */
-void dead_node_elimination(ir_graph *irg);
-
-typedef struct _survive_dce_t survive_dce_t;
-
-/**
- * Make a new Survive DCE environment.
- */
-survive_dce_t *new_survive_dce(void);
-
-/**
- * Free a Survive DCE environment.
- */
-void free_survive_dce(survive_dce_t *sd);
-
-/**
- * Register a node pointer to be patched upon DCE.
- * When DCE occurs, the node pointer specified by @p place will be
- * patched to the new address of the node it is pointing to.
- *
- * @param sd The Survive DCE environment.
- * @param place The address of the node pointer.
- */
-void survive_dce_register_irn(survive_dce_t *sd, ir_node **place);
-
-/** Cleans the control flow from Bad predecessors.
- *
- * Removes Bad predecessors from Blocks and the corresponding
- * inputs to Phi nodes as in dead_node_elimination but without
- * copying the graph.
- *
- * Conserves loop information.
- *
- * @param irg The graph to be optimized.
- */
-void remove_bad_predecessors(ir_graph *irg);
-
-/** Inlines a method at the given call site.
- *
- * Removes the call node and splits the basic block the call node
- * belongs to. Inserts a copy of the called graph between these nodes.
- * Assumes that call is a Call node in current_ir_graph and that
- * the type in the Call nodes type attribute is the same as the
- * type of the called graph.
- * Further it assumes that all Phi nodes in a block of current_ir_graph
- * are assembled in a "link" list in the link field of the corresponding
- * block nodes. Further assumes that all Proj nodes are in a "link" list
- * in the nodes producing the tuple. (This is only an optical feature
- * for the graph.) Conserves this feature for the old
- * nodes of the graph. This precondition can be established by a call to
- * collect_phisprojs(), see irgmod.h.
- * As dead_node_elimination this function reduces dead Block<->Jmp
- * self-cycles to Bad nodes.
- *
- * Called_graph must be unequal to current_ir_graph. Will not inline
- * if they are equal.
- * Sets visited masterflag in current_ir_graph to the max of the flag in
- * current and called graph.
- * Assumes that both, the called and the calling graph are in state
- * "op_pin_state_pinned".
- * It is recommended to call local_optimize_graph() after inlining as this
- * function leaves a set of obscure Tuple nodes, e.g. a Proj-Tuple-Jmp
- * combination as control flow operation.
- *
- * @param call the call node that should be inlined
- * @param called_graph the IR-graph that is called at call
- *
- * @return zero if method could not be inlined (recursion for instance),
- * non-zero if all went ok
- */
-int inline_method(ir_node *call, ir_graph *called_graph);
-
-/** Code Placement.
- *
- * Pins all floating nodes to a block where they
- * will be executed only if needed. Depends on the flag opt_global_cse.
- * Graph may not be in phase_building. Does not schedule control dead
- * code. Uses dominator information which it computes if the irg is not
- * in state dom_consistent. Destroys the out information as it moves nodes
- * to other blocks. Optimizes Tuples in Control edges.
- * @todo This is not tested!
- *
- * Call remove_critical_cf_edges() before place_code(). This normalizes
- * the control flow graph so that for all operations a basic block exists
- * where they can be optimally placed.
- *
- * @todo A more powerful code placement would move operations past Phi nodes
- * out of loops.
- */
-void place_code(ir_graph *irg);
+ir_graph_pass_t *optimize_graph_df_pass(const char *name);
/** Places an empty basic block on critical control flow edges thereby
* removing them.
projects / libfirm / blobdiff