* alias.c (rtx_equal_for_memref_p): Constify.

	* basic-block.h (const_edge, const_basic_block): New.
	(reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
	single_pred_p, single_succ_edge, single_pred_edge, single_succ,
	single_pred, maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p, edge_probability_reliable_p,
	br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
	inside_basic_block_p, control_flow_insn_p, dominated_by_p):
	Likewise.
	* bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
	* bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
	Likewise.
	* cfganal.c (flow_active_insn_p, forwarder_block_p,
	flow_nodes_print, dfs_enumerate_from): Likewise.
	* cfgbuild.c (count_basic_blocks, inside_basic_block_p,
	control_flow_insn_p, count_basic_blocks): Likewise.
	* cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
	get_loop_body_with_size, loop_exit_edge_p): Likewise.
	* cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
	average_num_loop_insns, loop_exit_edge_p,
	just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
	* cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
	average_num_loop_insns, seq_cost): Likewise.
	* cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
	* dominance.c (dominated_by_p): Likewise.
	* emit-rtl.c (validate_subreg): Likewise.
	* except.c (can_throw_internal, can_throw_external): Likewise.
	* except.h (can_throw_internal, can_throw_external): Likewise.
	* gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
	oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
	compute_transp, load_killed_in_block_p, reg_killed_on_edge,
	simple_mem, store_ops_ok, load_kills_store, find_loads,
	store_killed_in_insn, store_killed_after, store_killed_before,
	gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
	Likewise.
	* ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
	noce_mem_write_may_trap_or_fault_p): Likewise.
	* pointer-set.c (pointer_set_contains, pointer_map_contains):
	Likewise.
	* pointer-set.h (pointer_set_contains, pointer_map_contains):
	Likewise.
	* predict.c (can_predict_insn_p, maybe_hot_bb_p,
	probably_cold_bb_p, probably_never_executed_bb_p,
	edge_probability_reliable_p, br_prob_note_reliable_p,
	can_predict_insn_p): Likewise.
	* regclass.c (reg_set_to_hard_reg_set): Likewise.
	* resource.c (return_insn_p): Likewise.
	* rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
	Likewise.
	* rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
	* tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
	* tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
	verify_gimple_modify_stmt): Likewise.
	* tree-chrec.c (is_not_constant_evolution,
	is_multivariate_chrec_rec, is_multivariate_chrec,
	chrec_contains_symbols, chrec_contains_undetermined,
	tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
	evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
	eq_evolutions_p, scev_direction): Likewise.
	* tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
	eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
	chrec_contains_symbols_defined_in_loop,
	chrec_contains_undetermined, tree_contains_chrecs,
	evolution_function_is_affine_multivariate_p,
	evolution_function_is_univariate_p, chrec_zerop,
	evolution_function_is_constant_p, evolution_function_is_affine_p,
	evolution_function_is_affine_or_constant_p,
	tree_does_not_contain_chrecs, chrec_type): Likewise.
	* tree-data-ref.c (tree_fold_divides_p,
	object_address_invariant_in_loop_p, dr_may_alias_p,
	ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
	same_access_functions, constant_access_functions,
	access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
	Likewise.
	* tree-flow.h (scev_direction): Likewise.
	* tree-gimple.c (is_gimple_stmt): Likewise.
	* tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
	Likewise.
	* tree-pretty-print.c (op_prio): Likewise.
	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
	analyzable_condition, backedge_phi_arg_p): Likewise.
	* tree-scalar-evolution.h (get_chrec_loop): Likewise.
	* tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
	* tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
	Likewise.



git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@127404 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 5 deletions

diff --git a/gcc/cfgloop.c b/gcc/cfgloop.c
index fd26d5dc05d..f565708ae9e 100644
--- a/gcc/cfgloop.c
+++ b/gcc/cfgloop.c
@@ -765,7 +765,7 @@ disambiguate_loops_with_multiple_latches (void)
 
 /* Return nonzero if basic block BB belongs to LOOP.  */
 bool
-flow_bb_inside_loop_p (const struct loop *loop, const basic_block bb)
+flow_bb_inside_loop_p (const struct loop *loop, const_basic_block bb)
 {
   struct loop *source_loop;
 
@@ -778,9 +778,9 @@ flow_bb_inside_loop_p (const struct loop *loop, const basic_block bb)
 
 /* Enumeration predicate for get_loop_body_with_size.  */
 static bool
-glb_enum_p (basic_block bb, void *glb_loop)
+glb_enum_p (const_basic_block bb, const void *glb_loop)
 {
-  struct loop *loop = (struct loop *) glb_loop;
+  const struct loop *const loop = (const struct loop *) glb_loop;
   return (bb != loop->header
 	  && dominated_by_p (CDI_DOMINATORS, bb, loop->header));
 }
@@ -797,7 +797,7 @@ get_loop_body_with_size (const struct loop *loop, basic_block *body,
 			 unsigned max_size)
 {
   return dfs_enumerate_from (loop->header, 1, glb_enum_p,
-			     body, max_size, (void *) loop);
+			     body, max_size, loop);
 }
 
 /* Gets basic blocks of a LOOP.  Header is the 0-th block, rest is in dfs
@@ -1581,7 +1581,7 @@ loop_preheader_edge (const struct loop *loop)
 /* Returns true if E is an exit of LOOP.  */
 
 bool
-loop_exit_edge_p (const struct loop *loop, edge e)
+loop_exit_edge_p (const struct loop *loop, const_edge e)
 {
   return (flow_bb_inside_loop_p (loop, e->src)
 	  && !flow_bb_inside_loop_p (loop, e->dest));