alias.c (memory_modified_1, [...]): Constify.

	* alias.c (memory_modified_1, memory_modified_in_insn_p):
	Constify.
	* basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
	Likewise.
	* bb-reorder.c (copy_bb_p): Likewise.
	* cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
	predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
	block_ends_with_condjump_p): Likewise.
	* cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
	predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
	block_ends_with_condjump_p): Likewise.
	* cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
	* cfgrtl.c (can_delete_note_p, can_delete_label_p,
	rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
	rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
	need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
	debug_true_const_tree instad of debug_true_tree.
	* debug.c (do_nothing_debug_hooks): Likewise.
	* debug.h (ignore_block, debug_true_const_tree): Constify.
	* dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
	dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
	decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
	same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
	dbx_reg_number, is_based_loc, field_type,
	simple_type_align_in_bits, simple_decl_align_in_bits,
	simple_type_size_in_bits, field_byte_offset, insert_float,
	type_tag, member_declared_type, is_redundant_typedef,
	secname_for_decl, is_inlined_entry_point): Likewise.
	* emit-rtl.c (const_next_insn, const_previous_insn,
	const_next_nonnote_insn, const_prev_nonnote_insn,
	const_next_real_insn, const_prev_real_insn,
	const_next_active_insn, const_prev_active_insn, const_next_label,
	const_prev_label): Likewise.
	* except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
	Likewise.
	* haifa-sched.c (may_trap_exp, haifa_classify_insn,
	find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
	sched_insn_is_legitimate_for_speculation_p): Likewise.
	* jump.c (reversed_comparison_code_parts,
	reversed_comparison_code, reversed_comparison, condjump_label):
	Likewise.
	* predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
	* reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
	Likewise.
	* rtl.h (const_previous_insn, const_next_insn,
	const_prev_nonnote_insn, const_next_nonnote_insn,
	const_prev_real_insn, const_next_real_insn,
	const_prev_active_insn, const_next_active_insn, const_prev_label,
	const_next_label, modified_between_p, modified_in_p,
	const_note_storeskeep_with_call_p, condjump_label,
	reversed_comparison, reversed_comparison_code,
	reversed_comparison_code_parts, memory_modified_in_insn_p,
	stack_regs_mentioned): Likewise.
	* rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
	keep_with_call_p): Likewise.
	* sched-deps.c (deps_may_trap_p, sched_get_condition,
	conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
	sd_lists_size, sd_lists_empty_p): Likewise.
	* sched-int.h (sched_insns_conditions_mutex_p,
	haifa_classify_insn, no_real_insns_p,
	sched_insn_is_legitimate_for_speculation_p, sd_next_list,
	sd_lists_size, sd_lists_empty_p): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
	stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
	-tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
	Likewise.
	* tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
	tree_can_throw_internal): Likewise.
	* tree-flow-inline.h (phi_nodes): Likewise.
	* tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
	tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
	* tree-gimple.c (const_get_call_expr_in): Likewise.
	* tree-gimple.h (const_get_call_expr_in): Likewise.
	* tree.c (const_lookup_attribute, attribute_list_equal,
	attribute_list_contained): Likewise.
	* tree.h (attribute_list_equal, attribute_list_contained,
	const_lookup_attribute): Likewise.
	* vmsdbgout.c (vmsdbgout_ignore_block): Likewise.

From-SVN: r127824

1 files changed, 12 insertions, 12 deletions

diff --git a/gcc/cfghooks.h b/gcc/cfghooks.h
index 306cfe46081..e305fd230ee 100644
--- a/gcc/cfghooks.h
+++ b/gcc/cfghooks.h
@@ -48,7 +48,7 @@ struct cfg_hooks
 
   /* Returns true if it is possible to remove the edge by redirecting it
      to the destination of the other edge going from its source.  */
-  bool (*can_remove_branch_p) (edge);
+  bool (*can_remove_branch_p) (const_edge);
 
   /* Remove statements corresponding to a given basic block.  */
   void (*delete_basic_block) (basic_block);
@@ -61,7 +61,7 @@ struct cfg_hooks
   bool (*move_block_after) (basic_block b, basic_block a);
 
   /* Return true when blocks A and B can be merged into single basic block.  */
-  bool (*can_merge_blocks_p) (basic_block a, basic_block b);
+  bool (*can_merge_blocks_p) (const_basic_block a, const_basic_block b);
 
   /* Merge blocks A and B.  */
   void (*merge_blocks) (basic_block a, basic_block b);
@@ -71,10 +71,10 @@ struct cfg_hooks
 
   /* Return true if the one of outgoing edges is already predicted by
      PREDICTOR.  */
-  bool (*predicted_by_p) (basic_block bb, enum br_predictor predictor);
+  bool (*predicted_by_p) (const_basic_block bb, enum br_predictor predictor);
 
   /* Return true when block A can be duplicated.  */
-  bool (*can_duplicate_block_p) (basic_block a);
+  bool (*can_duplicate_block_p) (const_basic_block a);
 
   /* Duplicate block A.  */
   basic_block (*duplicate_block) (basic_block a);
@@ -89,11 +89,11 @@ struct cfg_hooks
 
   /* Say whether a block ends with a call, possibly followed by some
      other code that must stay with the call.  */
-  bool (*block_ends_with_call_p) (basic_block);
+  bool (*block_ends_with_call_p) (const_basic_block);
 
   /* Say whether a block ends with a conditional branch.  Switches
      and unconditional branches do not qualify.  */
-  bool (*block_ends_with_condjump_p) (basic_block);
+  bool (*block_ends_with_condjump_p) (const_basic_block);
 
   /* Add fake edges to the function exit for any non constant and non noreturn
      calls, volatile inline assembly in the bitmap of blocks specified by
@@ -141,7 +141,7 @@ extern void verify_flow_info (void);
 extern void dump_bb (basic_block, FILE *, int);
 extern edge redirect_edge_and_branch (edge, basic_block);
 extern basic_block redirect_edge_and_branch_force (edge, basic_block);
-extern bool can_remove_branch_p (edge);
+extern bool can_remove_branch_p (const_edge);
 extern void remove_branch (edge);
 extern void remove_edge (edge);
 extern edge split_block (basic_block, void *);
@@ -151,18 +151,18 @@ extern void delete_basic_block (basic_block);
 extern basic_block split_edge (edge);
 extern basic_block create_basic_block (void *, void *, basic_block);
 extern basic_block create_empty_bb (basic_block);
-extern bool can_merge_blocks_p (basic_block, basic_block);
+extern bool can_merge_blocks_p (const_basic_block, const_basic_block);
 extern void merge_blocks (basic_block, basic_block);
 extern edge make_forwarder_block (basic_block, bool (*)(edge),
 				  void (*) (basic_block));
 extern void tidy_fallthru_edge (edge);
 extern void tidy_fallthru_edges (void);
 extern void predict_edge (edge e, enum br_predictor predictor, int probability);
-extern bool predicted_by_p (basic_block bb, enum br_predictor predictor);
-extern bool can_duplicate_block_p (basic_block);
+extern bool predicted_by_p (const_basic_block bb, enum br_predictor predictor);
+extern bool can_duplicate_block_p (const_basic_block);
 extern basic_block duplicate_block (basic_block, edge, basic_block);
-extern bool block_ends_with_call_p (basic_block bb);
-extern bool block_ends_with_condjump_p (basic_block bb);
+extern bool block_ends_with_call_p (const_basic_block bb);
+extern bool block_ends_with_condjump_p (const_basic_block bb);
 extern int flow_call_edges_add (sbitmap);
 extern void execute_on_growing_pred (edge);
 extern void execute_on_shrinking_pred (edge);