* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,

	flow_loop_pre_header_scan, flow_loop_pre_header_find,
	flow_loop_scan): Removed.
	(flow_loop_dump): Do not dump removed fields.
	(flow_loop_free): Do not free removed fields.
	(flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
	(loop_exit_edge_p): New function.
	* cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
	num_pre_header_edges, entry_edges, num_entries, exit_edges,
	num_exits, exits_doms.
	(LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
	LOOP_EDGES, LOOP_ALL): Removed.
	(flow_loop_scan): Declaration removed.
	(loop_exit_edge_p, mark_loop_exit_edges): Declare.
	* cfgloopmanip.c (create_loop_notes): Do not pass flags to
	flow_loops_find.
	* ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
	(if_convert): Call flow_loops_find and flow_loops_free
	when calling mark_loop_exit_edges.
	* cfgloopanal.c (mark_loop_exit_edges): Moved from
	ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
	free_dominance_info calls.
	* loop-init.c (flow_loops_find): Ditto.
	* passes.c (rest_of_handle_branch_prob): Ditto.
	* lambda-code.c (perfect_nestify): Do not call flow_loops_find.
	* loop-unroll.c (analyze_insns_in_loop): Do not use
	EDGE_LOOP_EXIT.
	* predict.c (predict_loops): Do not call flow_loop_scan.
	Use get_loop_exit_edges.
	(tree_estimate_probability): Do not pass flags to flow_loops_find.
	* tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
	Do not use EDGE_LOOP_EXIT.
	(tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
	to bb_with_exit_edge_p.
	(if_convertible_loop_p): Do not call flow_loop_scan.  Use
	loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
	to bb_with_exit_edge_p.
	(combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
	EDGE_LOOP_EXIT.
	* tree-loop-linear.c (linear_transform_loops): Do not call
	flow_loop_scan.  Use loop->single_exit.
	* tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
	(vect_analyze_loop_form): Do not call flow_loop_scan.
	* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
	loop->single_exit.
	(vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
	loop->single_exit.
	* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
	slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
	slpeel_tree_duplicate_loop_to_edge_cfg,
	slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
	Use loop_preheader_edge and loop->single_exit.  Do not call
	flow_loop_scan.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95738 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 9 deletions

diff --git a/gcc/predict.c b/gcc/predict.c
index 9ecf1e3269d..bf594acfc92 100644
--- a/gcc/predict.c
+++ b/gcc/predict.c
@@ -583,13 +583,13 @@ predict_loops (struct loops *loops_info, bool rtlsimpleloops)
     {
       basic_block bb, *bbs;
       unsigned j;
-      int exits;
+      unsigned n_exits;
       struct loop *loop = loops_info->parray[i];
       struct niter_desc desc;
       unsigned HOST_WIDE_INT niter;
+      edge *exits;
 
-      flow_loop_scan (loop, LOOP_EXIT_EDGES);
-      exits = loop->num_exits;
+      exits = get_loop_exit_edges (loop, &n_exits);
 
       if (rtlsimpleloops)
 	{
@@ -615,11 +615,8 @@ predict_loops (struct loops *loops_info, bool rtlsimpleloops)
 	}
       else
 	{
-	  edge *exits;
-	  unsigned j, n_exits;
 	  struct tree_niter_desc niter_desc;
 
-	  exits = get_loop_exit_edges (loop, &n_exits);
 	  for (j = 0; j < n_exits; j++)
 	    {
 	      tree niter = NULL;
@@ -647,8 +644,8 @@ predict_loops (struct loops *loops_info, bool rtlsimpleloops)
 		}
 	    }
 
-	  free (exits);
 	}
+      free (exits);
 
       bbs = get_loop_body (loop);
 
@@ -690,7 +687,7 @@ predict_loops (struct loops *loops_info, bool rtlsimpleloops)
 		  (e, PRED_LOOP_EXIT,
 		   (REG_BR_PROB_BASE
 		    - predictor_info [(int) PRED_LOOP_EXIT].hitrate)
-		   / exits);
+		   / n_exits);
 	}
       
       /* Free basic blocks from get_loop_body.  */
@@ -1293,7 +1290,7 @@ tree_estimate_probability (void)
   basic_block bb;
   struct loops loops_info;
 
-  flow_loops_find (&loops_info, LOOP_TREE);
+  flow_loops_find (&loops_info);
   if (dump_file && (dump_flags & TDF_DETAILS))
     flow_loops_dump (&loops_info, dump_file, NULL, 0);