remove unused exception region numbers

include/libfirm/firm_types.h

@@ -28,7 +28,6 @@
 #include "begin.h"
 
 typedef unsigned long ir_visited_t;
-typedef unsigned long ir_exc_region_t;
 typedef unsigned long ir_label_t;
 
 /** @ingroup dbg_info */

include/libfirm/irprog.h

@@ -271,9 +271,6 @@ FIRM_API ir_prog_pass_t *set_irp_phase_state_pass(const char *name,
 FIRM_API irg_callee_info_state get_irp_callee_info_state(void);
 FIRM_API void                  set_irp_callee_info_state(irg_callee_info_state s);
 
-/** Returns a new, unique exception region number. */
-FIRM_API ir_exc_region_t get_irp_next_region_nr(void);
-
 /** Returns a new, unique label number. */
 FIRM_API ir_label_t get_irp_next_label_nr(void);
 

ir/ir/irprog.c

@@ -60,7 +60,6 @@ static ir_prog *new_incomplete_ir_prog(void)
 	res->modes          = NEW_ARR_F(ir_mode *, 0);
 	res->opcodes        = NEW_ARR_F(ir_op *, 0);
 	res->global_asms    = NEW_ARR_F(ident *, 0);
-	res->last_region_nr = 0;
 	res->last_label_nr  = 1;  /* 0 is reserved as non-label */
 	res->max_irg_idx    = 0;
 	res->max_node_nr    = 0;

ir/ir/irprog_t.h

@@ -123,13 +123,6 @@ static inline ir_graph *get_const_code_irg_(void)
 	return irp->const_code_irg;
 }
 
-/** Returns a new, unique exception region number. */
-static inline ir_exc_region_t get_irp_next_region_nr_(void)
-{
-	assert(irp);
-	return ++irp->last_region_nr;
-}
-
 /** Returns a new, unique label number. */
 static inline ir_label_t get_irp_next_label_nr_(void)
 {
@@ -180,7 +173,6 @@ void remove_irp_type(ir_type *typ);
 #define get_segment_type(s)              get_segment_type_(s)
 #define get_glob_type()                  get_glob_type_()
 #define get_tls_type()                   get_tls_type_()
-#define get_irp_next_region_nr()         get_irp_next_region_nr_()
 #define get_irp_next_label_nr()          get_irp_next_label_nr_()
 #define get_irp_optimization_dumps()     get_irp_optimization_dumps_()
 #define enable_irp_optimization_dumps()  enable_irp_optimization_dumps_()

ir/ir/irtypes.h

@@ -650,7 +650,6 @@ struct ir_prog {
 	ir_class_cast_state class_cast_state;    /**< The state of cast operations in code. */
 	ir_entity_usage_computed_state globals_entity_usage_state;
 
-	ir_exc_region_t last_region_nr;      /**< The last exception region number that was assigned. */
 	ir_label_t last_label_nr;            /**< The highest label number for generating unique labels. */
 	size_t max_irg_idx;                  /**< highest unused irg index */
 	long max_node_nr;                    /**< to generate unique numbers for nodes. */