Remove the unused before_sched callback.

[r22932]

ir/be/TEMPLATE/bearch_TEMPLATE.c

@@ -263,14 +263,6 @@ static void TEMPLATE_finish_irg(void *self) {
 }
 
 
-/**
- * These are some hooks which must be filled but are probably not needed.
- */
-static void TEMPLATE_before_sched(void *self) {
-	(void) self;
-	/* Some stuff you need to do after scheduling but before register allocation */
-}
-
 static void TEMPLATE_before_ra(void *self) {
 	(void) self;
 	/* Some stuff you need to do after scheduling but before register allocation */
@@ -308,7 +300,6 @@ static const arch_code_generator_if_t TEMPLATE_code_gen_if = {
 	NULL,                    /* before abi introduce hook */
 	TEMPLATE_prepare_graph,
 	NULL,                    /* spill hook */
-	TEMPLATE_before_sched,   /* before scheduling hook */
 	TEMPLATE_before_ra,      /* before register allocation hook */
 	TEMPLATE_after_ra,       /* after register allocation hook */
 	TEMPLATE_finish_irg,

ir/be/arm/bearch_arm.c

@@ -310,15 +310,6 @@ static void arm_finish_irg(void *self)
 }
 
 
-/**
- * These are some hooks which must be filled but are probably not needed.
- */
-static void arm_before_sched(void *self)
-{
-	(void) self;
-	/* Some stuff you need to do after scheduling but before register allocation */
-}
-
 static void arm_before_ra(void *self)
 {
 	(void) self;
@@ -556,7 +547,6 @@ static const arch_code_generator_if_t arm_code_gen_if = {
 	arm_before_abi,     /* before abi introduce */
 	arm_prepare_graph,
 	NULL,               /* spill */
-	arm_before_sched,   /* before scheduling hook */
 	arm_before_ra,      /* before register allocation hook */
 	arm_after_ra,
 	arm_finish_irg,

ir/be/bearch_t.h

@@ -341,11 +341,6 @@ struct arch_code_generator_if_t {
 	 */
 	void (*spill)(void *self, be_irg_t *birg);
 
-	/**
-	 * Called before scheduling.
-	 */
-	void (*before_sched)(void *self);
-
 	/**
 	 * Called before register allocation.
 	 */
@@ -388,7 +383,6 @@ do { \
 
 #define arch_code_generator_before_abi(cg)      _arch_cg_call(cg, before_abi)
 #define arch_code_generator_prepare_graph(cg)   _arch_cg_call(cg, prepare_graph)
-#define arch_code_generator_before_sched(cg)    _arch_cg_call(cg, before_sched)
 #define arch_code_generator_before_ra(cg)       _arch_cg_call(cg, before_ra)
 #define arch_code_generator_after_ra(cg)        _arch_cg_call(cg, after_ra)
 #define arch_code_generator_finish(cg)          _arch_cg_call(cg, finish)

ir/be/bemain.c

@@ -689,11 +689,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 		/* disabled for now, fails for EmptyFor.c and XXEndless.c */
 		/* be_live_chk_compare(birg); */
 
-		/* let backend prepare scheduling */
-		BE_TIMER_PUSH(t_codegen);
-		arch_code_generator_before_sched(birg->cg);
-		BE_TIMER_POP(t_codegen);
-
 		/* schedule the irg */
 		BE_TIMER_PUSH(t_sched);
 		switch (be_options.scheduler) {

ir/be/ia32/bearch_ia32.c

@@ -1014,13 +1014,6 @@ static void ia32_prepare_graph(void *self) {
 		be_dump(cg->irg, "-place", dump_ir_block_graph_sched);
 }
 
-/**
- * Dummy functions for hooks we don't need but which must be filled.
- */
-static void ia32_before_sched(void *self) {
-	(void) self;
-}
-
 ir_node *turn_back_am(ir_node *node)
 {
 	ir_graph *irg   = current_ir_graph;
@@ -1590,7 +1583,6 @@ static const arch_code_generator_if_t ia32_code_gen_if = {
 	ia32_before_abi,     /* before abi introduce hook */
 	ia32_prepare_graph,
 	NULL,                /* spill */
-	ia32_before_sched,   /* before scheduling hook */
 	ia32_before_ra,      /* before register allocation hook */
 	ia32_after_ra,       /* after register allocation hook */
 	ia32_finish,         /* called before codegen */

ir/be/mips/bearch_mips.c

@@ -348,14 +348,6 @@ static void mips_finish_irg(void *self) {
 }
 
 
-/**
- * These are some hooks which must be filled but are probably not needed.
- */
-static void mips_before_sched(void *self)
-{
-	(void) self;
-}
-
 static void mips_before_ra(void *self)
 {
 	(void) self;
@@ -395,7 +387,6 @@ static const arch_code_generator_if_t mips_code_gen_if = {
 	NULL,                /* before abi introduce */
 	mips_prepare_graph,
 	NULL,                /* spill */
-	mips_before_sched,   /* before scheduling hook */
 	mips_before_ra,      /* before register allocation hook */
 	mips_after_ra,
 	mips_finish_irg,

ir/be/ppc32/bearch_ppc32.c

@@ -457,14 +457,6 @@ static void ppc32_finish_irg(void *self) {
 }
 
 
-/**
- * These are some hooks which must be filled but are probably not needed.
- */
-static void ppc32_before_sched(void *self) {
-	(void) self;
-	/* Some stuff you need to do after scheduling but before register allocation */
-}
-
 /**
  * Called before the register allocator.
  * Calculate a block schedule here. We need it for the x87
@@ -589,7 +581,6 @@ static const arch_code_generator_if_t ppc32_code_gen_if = {
 	ppc32_before_abi,
 	ppc32_prepare_graph,
 	NULL,                 /* spill */
-	ppc32_before_sched,   /* before scheduling hook */
 	ppc32_before_ra,      /* before register allocation hook */
 	ppc32_after_ra,
 	ppc32_finish_irg,