2008-05-15 Richard Guenther <rguenther@suse.de>

	* tree-pass.h (current_pass): Declare.
	(get_pass_for_id): Likewise.
	* passes.c (passes_by_id, passes_by_id_size): New globals.
	(set_pass_for_id): New function.
	(get_pass_for_id): Likewise.
	(register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
	(execute_function_todo): Flush per function statistics.
	* toplev.c (compile_file): Init statistics.
	(general_init): Do early statistics initialization.
	(finalize): Finish statistics.
	* statistics.h (statistics_early_init): Declare.
	(statistics_init): Likewise.
	(statistics_fini): Likewise.
	(statistics_fini_pass): Likewise.
	(statistics_counter_event): Likewise.
	(statistics_histogram_event): Likewise.
	* statistics.c: New file.
	* Makefile.in (OBJS-common): Add statistics.o.
	(statistics.o): Add dependencies.
	* doc/invoke.texi (-fdump-statistics): Document.

	* tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
	(insert): Likewise.
	(execute_pre): Use statistics_counter_event.
	* tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
	(substitute_and_fold): Increment it.  Use statistics_counter_event.

	* gcc.dg/tree-ssa/loadpre7.c: Adjust scan for not performed
	transformation.
	* gcc.dg/tree-ssa/ssa-fre-10.c: Likewise.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@135358 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 9 deletions

diff --git a/gcc/tree-ssa-propagate.c b/gcc/tree-ssa-propagate.c
index 6423ec6ba52..1b40bf095ed 100644
--- a/gcc/tree-ssa-propagate.c
+++ b/gcc/tree-ssa-propagate.c
@@ -890,6 +890,7 @@ struct prop_stats_d
   long num_const_prop;
   long num_copy_prop;
   long num_pred_folded;
+  long num_dce;
 };
 
 static struct prop_stats_d prop_stats;
@@ -1255,6 +1256,7 @@ substitute_and_fold (prop_value_t *prop_value, bool use_ranges_p)
 		  print_generic_expr (dump_file, stmt, 0);
 		  fprintf (dump_file, "\n");
 		}
+	      prop_stats.num_dce++;
 	      bsi_remove (&i, true);
 	      release_defs (stmt);
 	      if (!bsi_end_p (i))
@@ -1341,15 +1343,14 @@ substitute_and_fold (prop_value_t *prop_value, bool use_ranges_p)
 	}
     }
 
-  if (dump_file && (dump_flags & TDF_STATS))
-    {
-      fprintf (dump_file, "Constants propagated: %6ld\n",
-	       prop_stats.num_const_prop);
-      fprintf (dump_file, "Copies propagated:    %6ld\n",
-	       prop_stats.num_copy_prop);
-      fprintf (dump_file, "Predicates folded:    %6ld\n",
-	       prop_stats.num_pred_folded);
-    }
+  statistics_counter_event (cfun, "Constants propagated",
+			    prop_stats.num_const_prop);
+  statistics_counter_event (cfun, "Copies propagated",
+			    prop_stats.num_copy_prop);
+  statistics_counter_event (cfun, "Predicates folded",
+			    prop_stats.num_pred_folded);
+  statistics_counter_event (cfun, "Statements deleted",
+			    prop_stats.num_dce);
   return something_changed;
 }