stat: Remove the unused if-conversion statistics.

They are remnants from the first if-conversion implementation.

ir/ir/irhooks.h

@@ -49,17 +49,6 @@ typedef enum {
 	HOOK_OPT_LAST
 } hook_opt_kind;
 
-/** Result of an if-conversion attempt */
-typedef enum if_result_t {
-	IF_RESULT_SUCCESS         = 0,  /**< if conversion could be done */
-	IF_RESULT_SIDE_EFFECT     = 1,  /**< if conversion failed because of side effect */
-	IF_RESULT_SIDE_EFFECT_PHI = 2,  /**< if conversion failed because of Phi node found */
-	IF_RESULT_TOO_DEEP        = 3,  /**< if conversion failed because of to deep DAG's */
-	IF_RESULT_BAD_CF          = 4,  /**< if conversion failed because of bad control flow */
-	IF_RESULT_DENIED          = 5,  /**< if conversion failed because of architecture deny */
-	IF_RESULT_LAST
-} if_result_t;
-
 /**
  * A generic function type.
  */
@@ -133,9 +122,6 @@ struct hook_entry {
 		/** 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);
 
@@ -188,7 +174,6 @@ typedef enum {
 	hook_tail_rec,             /**< type for hook_tail_rec() hook */
 	hook_strength_red,         /**< type for hook_strength_red() hook */
 	hook_dead_node_elim,       /**< type for hook_dead_node_elim() hook */
-	hook_if_conversion,        /**< type for hook_if_conversion() hook */
 	hook_func_call,            /**< type for hook_func_call() hook */
 	/** type for hook_arch_dep_replace_mul_with_shifts() hook */
 	hook_arch_dep_replace_mul_with_shifts,
@@ -275,9 +260,6 @@ extern hook_entry_t *hooks[hook_last];
   hook_exec(hook_strength_red, (hook_ctx_, irg, node))
 /** Called before dead node elimination is performed */
 #define hook_dead_node_elim(irg, start)   hook_exec(hook_dead_node_elim, (hook_ctx_, irg, start))
-/** Called when if-conversion creates a Mux node */
-#define hook_if_conversion(irg, phi, pos, mux, reason) \
-  hook_exec(hook_if_conversion, (hook_ctx_, irg, phi, pos, mux, reason))
 /** Called when a function call is optimized */
 #define hook_func_call(irg, call) \
   hook_exec(hook_func_call, (hook_ctx_, irg, call))

ir/stat/firmstat.c

@@ -1750,28 +1750,6 @@ static void stat_dead_node_elim(void *ctx, ir_graph *irg, int start)
 	status->in_dead_node_elim = (start != 0);
 }
 
-/**
- * Hook: if-conversion was tried.
- */
-static void stat_if_conversion(void *context, ir_graph *irg, ir_node *phi,
-                               int pos, ir_node *mux, if_result_t reason)
-{
-	(void) context;
-	(void) phi;
-	(void) pos;
-	(void) mux;
-	if (! status->stat_options)
-		return;
-
-	STAT_ENTER;
-	{
-		graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
-
-		cnt_inc(&graph->cnt[gcnt_if_conv + reason]);
-	}
-	STAT_LEAVE;
-}
-
 /**
  * Hook: real function call was optimized.
  */
@@ -2096,7 +2074,6 @@ void firm_init_stat(void)
 	HOOK(hook_tail_rec,                           stat_tail_rec);
 	HOOK(hook_strength_red,                       stat_strength_red);
 	HOOK(hook_dead_node_elim,                     stat_dead_node_elim);
-	HOOK(hook_if_conversion,                      stat_if_conversion);
 	HOOK(hook_func_call,                          stat_func_call);
 	HOOK(hook_arch_dep_replace_mul_with_shifts,   stat_arch_dep_replace_mul_with_shifts);
 	HOOK(hook_arch_dep_replace_division_by_const, stat_arch_dep_replace_division_by_const);

ir/stat/firmstat_t.h

@@ -246,10 +246,9 @@ enum graph_counter_names {
 	gcnt_param_adr,                /**< number of parameter load/store addresses. */
 	gcnt_this_adr,                 /**< number of this load/store addresses. */
 	gcnt_other_adr,                /**< number of other load/store addresses. */
-	gcnt_if_conv,                  /**< number of if conversions */
 
 	/* --- must be the last enum constant --- */
-	_gcnt_last = gcnt_if_conv + IF_RESULT_LAST                 /**< number of counters */
+	_gcnt_last = gcnt_other_adr    /**< number of counters */
 };
 
 /**

ir/stat/stat_dmp.c

@@ -149,15 +149,6 @@ static const struct {
 	{ (hook_opt_kind)FS_OPT_RTS_MEMCMP,     "RTS optimization: call to memcmp() replaced" },
 };
 
-static const char *if_conv_names[IF_RESULT_LAST] = {
-	"if conv done             ",
-	"if conv side effect      ",
-	"if conv Phi node found   ",
-	"if conv to deep DAG's    ",
-	"if conv bad control flow ",
-	"if conv denied by arch   ",
-};
-
 /**
  * dumps a opcode hash into human readable form
  */
@@ -435,8 +426,6 @@ static void simple_dump_graph(dumper_t *dmp, graph_entry_t *entry)
 
 	if (entry->irg) {
 		ir_graph *const_irg = get_const_code_irg();
-		int       i;
-
 		if (entry->irg == const_irg) {
 			fprintf(dmp->f, "\nConst code Irg %p", (void *)entry->irg);
 		} else {
@@ -472,10 +461,6 @@ static void simple_dump_graph(dumper_t *dmp, graph_entry_t *entry)
 			cnt_to_uint(&entry->cnt[gcnt_indirect_calls]),
 			cnt_to_uint(&entry->cnt[gcnt_external_calls])
 		);
-
-		for (i = 0; i < IF_RESULT_LAST; ++i) {
-			fprintf(dmp->f, " %s : %u\n", if_conv_names[i], cnt_to_uint(&entry->cnt[gcnt_if_conv + i]));
-		}
 	} else {
 		fprintf(dmp->f, "\nGlobals counts:\n");
 		fprintf(dmp->f, "--------------\n");