- /** a union of all possible hook types */
- union {
- void (*_hook_new_ir_op)(void *context, ir_op *op);
- void (*_hook_free_ir_op)(void *context, ir_op *op);
- void (*_hook_new_node)(void *context, ir_graph *graph, ir_node *node);
- void (*_hook_set_irn_n)(void *context, ir_node *src,
- int pos, ir_node *tgt, ir_node *old_tgt);
- void (*_hook_replaced)(void *context, ir_node *old_node, ir_node *new_node);
- void (*_hook_turn_into_id)(void *context, ir_node *node);
- void (*_hook_new_graph)(void *context, ir_graph *irg, entity *ent);
- void (*_hook_free_graph)(void *context, ir_graph *irg);
- void (*_hook_irg_walk)(void *context, ir_graph *irg, void *pre, void *post);
- void (*_hook_irg_walk_blkwise)(void *context, ir_graph *irg, void *pre, void *post);
- void (*_hook_irg_block_walk)(void *context, ir_graph *irg, ir_node *node, void *pre, void *post);
- void (*_hook_merge_nodes)(void *context, ir_node **new_node_array, int new_num_entries,
- ir_node **old_node_array, int old_num_entries, hook_opt_kind opt);
- void (*_hook_reassociate)(void *context, int start);
- void (*_hook_lower)(void *context, ir_node *node);
- void (*_hook_inline)(void *context, ir_node *call, ir_graph *irg);
- void (*_hook_tail_rec)(void *context, ir_graph *irg, int n_calls);
- void (*_hook_strength_red)(void *context, ir_graph *irg, ir_node *strong, ir_node *cmp);
- void (*_hook_dead_node_elim_start)(void *context, ir_graph *irg);
- void (*_hook_dead_node_elim_stop)(void *context, ir_graph *irg);
- void (*_hook_if_conversion)(void *context, ir_graph *irg, ir_node *phi, int pos, ir_node *mux, if_result_t reason);
- void (*_hook_func_call)(void *context, ir_graph *irg, ir_node *call);
- void (*_hook_arch_dep_replace_mul_with_shifts)(void *context, ir_node *irn);
- void (*_hook_arch_dep_replace_div_by_const)(void *context, ir_node *irn);
- void (*_hook_arch_dep_replace_mod_by_const)(void *context, ir_node *irn);
- void (*_hook_arch_dep_replace_DivMod_by_const)(void *context, ir_node *irn);
- void (*_hook_new_mode)(void *context, const ir_mode *tmpl, ir_mode *mode);
- } hook;
-
- /** the context for every hook */
- void *context;
-
- /** needed for chaining */
- struct hook_entry *next;
+ /** A union of all possible hook types. */
+ union {
+ /** This hook is called, after a new ir_op was created. */
+ void (*_hook_new_ir_op)(void *context, ir_op *op);
+
+ /** This hook is called, before am ir_op is destroyed. */
+ void (*_hook_free_ir_op)(void *context, ir_op *op);
+
+ /** This hook is called, after a new IR-node was created and before it is optimized. */
+ void (*_hook_new_node)(void *context, ir_graph *graph, ir_node *node);
+
+ /** This hook is called, before a node input was changed. */
+ void (*_hook_set_irn_n)(void *context, ir_node *src,
+ int pos, ir_node *tgt, ir_node *old_tgt);
+
+ /** This hook is called, before a node is replaced (exchange()) by another. */
+ void (*_hook_replace)(void *context, ir_node *old_node, ir_node *new_node);
+
+ /** This hook is called, before a node is changed into an Id node. */
+ void (*_hook_turn_into_id)(void *context, ir_node *node);
+
+ /** This hook is called, after a commutative node was normalized. */
+ void (*_hook_normalize)(void *context, ir_node *node);
+
+ /** This hook is called, after a new graph was created and before the first block
+ * on this graph is build. */
+ void (*_hook_new_graph)(void *context, ir_graph *irg, ir_entity *ent);
+
+ /** This hook is called before a graph is freed. */
+ void (*_hook_free_graph)(void *context, ir_graph *irg);
+
+ /** This hook is called before an irg walk is started. */
+ void (*_hook_irg_walk)(void *context, ir_graph *irg, generic_func *pre, generic_func *post);
+
+ /** This hook is called before an block wise irg walk is started. */
+ void (*_hook_irg_walk_blkwise)(void *context, ir_graph *irg, generic_func *pre, generic_func *post);
+
+ /** This hook is called before an block walk is started. */
+ void (*_hook_irg_block_walk)(void *context, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post);
+
+ /** This hook is called, when debug info must be merged. */
+ void (*_hook_merge_nodes)(void *context, ir_node **new_node_array, int new_num_entries,
+ ir_node **old_node_array, int old_num_entries, hook_opt_kind opt);
+
+ /** This hook is called, when reassociation is started/stopped. */
+ void (*_hook_reassociate)(void *context, int start);
+
+ /** This hook is called, before a node is lowered. */
+ void (*_hook_lower)(void *context, ir_node *node);
+
+ /** This hook is called, before a graph is inlined. */
+ void (*_hook_inline)(void *context, ir_node *call, ir_graph *irg);
+
+ /** This hook is called, before tail recursion is applied to a graph. */
+ void (*_hook_tail_rec)(void *context, ir_graph *irg, int n_calls);
+
+ /** This hook is called, before a node is replaced due to strength reduction */
+ void (*_hook_strength_red)(void *context, ir_graph *irg, ir_node *node);
+
+ /** This hook is called, when dead node elimination is started/stopped. */
+ void (*_hook_dead_node_elim)(void *context, ir_graph *irg, int start);
+
+ /** This hook is called after if conversion has run. */
+ void (*_hook_if_conversion)(void *context, ir_graph *irg, ir_node *phi, int pos, ir_node *mux, if_result_t reason);
+
+ /** This hook is called after a call was detected as const call */
+ void (*_hook_func_call)(void *context, ir_graph *irg, ir_node *call);
+
+ /** This hook is called after a Mul was replaced by a series of Shift and Add/Sub operations. */
+ void (*_hook_arch_dep_replace_mul_with_shifts)(void *context, ir_node *irn);
+
+ /** This hook is called after a Div/Mod by a constant value was replaced. */
+ void (*_hook_arch_dep_replace_division_by_const)(void *context, ir_node *irn);
+
+ /** This hook is called after a new mode was registered. */
+ void (*_hook_new_mode)(void *context, ir_mode *mode);
+
+ /** This hook is called after a new entity was created. */
+ void (*_hook_new_entity)(void *context, ir_entity *ent);
+
+ /** This hook is called after a new type was created. */
+ void (*_hook_new_type)(void *context, ir_type *tp);
+
+ /** This hook is called at the end of the node info dumper to dump additional node info. */
+ void (*_hook_node_info)(void *context, FILE *f, const ir_node *n);
+ } hook; /**< hook */
+
+ /** the context for every hook */
+ void *context;
+
+ /** needed for chaining */
+ struct hook_entry *next;