Mon Jun 10 20:42:34 CEST 2002 Jan Hubicka <jh@suse.cz>

	* basic-block.h: Do not include et-forest.h
	(dominance_info): Declare as struct dominance-info.
	* cfglayout.c (cleanup_unconditional_jumps): Remove the edge before
	deleting block.
	* dominance.c (struct dominance_info): Define.
	(BB_NODE, SET_BB_NODE): New macros.
	(bb_hash_func, bb_eq_func): Kill.
	(calculate_dominace_info, free_dominacne_info, set_immediate_dominator,
	nearest_common_dominator, dominated_by_p, recount_dominator,
	add_to_dominance_info, delete_from_dominance_info): update for new
	representation.
	(get_dominated_by, redirect_immediate_dominators): Rewrite using
	enumerate_sons.
	* ifcvt.c (process_double_test_block, merge_if_block, find_cond_trap,
	find_if_case_1, find_if_case_2): Remove killed blocks from dominance
	structure.

	* et-forest.h: Update copyright; revamp all function to operate on
	nodes
	(et_forest_value): Kill.
	(et_forest_enumerate_sons, et_forest_node_value): New.
	* et-forest.c: Update copyright.
	* et-forest.h: Update copyright; revamp all function to operate on
	nodes
	(et_forest_value): Kill.
	(et_forest_enumerate_sons, et_forest_node_value): New.

	Thu Jun  6 22:43:43 CEST 2002  Jan Hubicka  <jh@suse.cz>

	* basic-block.h: Inlude et-forest.h
	(basic_block_def): Kill dominator.
	(dominance_info): New type.
	(loops): Use dominace_info.
	(dominace handling functions): Take dominace_info as argument
	instead of bitmaps.
	(create_preheader): Likewise.
	* cfg.c (entry_exit_blocks): Kill dominator.
	(dump_flow_info): Do not dump dominators.
	* cfglayout.c (cleanup_unconditonal_jumps): Delete deleted block from
	dominators.
	* cfgloop.c (flow_pre_header_find): Use dominacne_info.
	(flow_loops_pre_header_scan, make_forwarder_block,
	canonicale_loop_headers, flow_loops_find): Likewise.
	* dominance.c: Include error.h
	(idoms_to_doms): Kill.
	(bb_hash_func, bb_eq_func): New static functions.
	(debug_dominace_info): New global function.
	(calculate_dominance_info): Use new et forest structure.
	(free_dominace_info, get_immediate_dominator, set_immediate_dominator,
	get_dominated_by, redirect_immediate_dominators,
	nearest_common_dominator, dominated_by_p, verify_dominators,
	recount_dominator, iterate_fix_dominators, add_to_dominace_info,
	delete_from_dominance_info): New global functions.
	* gcse.c (domnators): CHange to dominance_info.
	(alloc_hoist_mem): Do not alloc dominators
	(free_code_hoist_mem): Use free_dominance_info.
	(compute_code_hoist_data): Use dominance_info.
	(hoist_code): Likewise.
	* ifcvt.c (post_dominators): Likewise.
	(find_if_case_2, if_convert): Likewise.
	* predict.c (process_note_predictions, process_note_prediction,
	estimate-probability): Likewise.
	* sched-rgn.c (find_rgns, init_regions): Likewise.
	* ssa-dce.c (find_all_control_dependences, fint_control_depemndence,
	find_pdom, delete_insn_bb, ssa_eliminate_dead_code): Likewise.
	* ssa.c (compute_dominance_frontiers_1, rename_block, rename_registers,
	find_evaluations, convert_to_ssa): Likewise.
	* ssa.h (compute_dominance_frontiers): Likewise.

	Thu Jun  6 22:57:34 CEST 2002  Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>

	* Makefile.in (et-forest.c): Add.
	* et-forest.c: New file.
	* at-forest.h: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54843 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 22 insertions, 4 deletions

diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index e50c020dc55..9e3e7a54683 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -350,6 +350,10 @@ extern void clear_edges			PARAMS ((void));
 extern void mark_critical_edges		PARAMS ((void));
 extern rtx first_insn_after_basic_block_note	PARAMS ((basic_block));
 
+/* Dominator information for basic blocks.  */
+
+typedef struct dominance_info *dominance_info;
+
 /* Structure to hold information for each natural loop.  */
 struct loop
 {
@@ -498,7 +502,7 @@ struct loops
   struct cfg
   {
     /* The bitmap vector of dominators or NULL if not computed.  */
-    sbitmap *dom;
+    dominance_info dom;
 
     /* The ordering of the basic blocks in a depth first search.  */
     int *dfs_order;
@@ -770,7 +774,21 @@ enum cdi_direction
   CDI_POST_DOMINATORS
 };
 
-extern void calculate_dominance_info	PARAMS ((int *, sbitmap *,
-						 enum cdi_direction));
-
+extern dominance_info calculate_dominance_info	PARAMS ((enum cdi_direction));
+extern void free_dominance_info			PARAMS ((dominance_info));
+extern basic_block nearest_common_dominator	PARAMS ((dominance_info,
+						 basic_block, basic_block));
+extern void set_immediate_dominator	PARAMS ((dominance_info,
+						 basic_block, basic_block));
+extern basic_block get_immediate_dominator	PARAMS ((dominance_info,
+						 basic_block));
+extern bool dominated_by_p	PARAMS ((dominance_info, basic_block, basic_block));
+extern int get_dominated_by PARAMS ((dominance_info, basic_block, basic_block **));
+extern void add_to_dominance_info PARAMS ((dominance_info, basic_block));
+extern void delete_from_dominance_info PARAMS ((dominance_info, basic_block));
+basic_block recount_dominator PARAMS ((dominance_info, basic_block));
+extern void redirect_immediate_dominators PARAMS ((dominance_info, basic_block,
+						 basic_block));
+void iterate_fix_dominators PARAMS ((dominance_info, basic_block *, int));
+extern void verify_dominators PARAMS ((dominance_info));
 #endif /* GCC_BASIC_BLOCK_H */