2010-07-29 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / tree-optimize.c

diff --git a/gcc/tree-optimize.c b/gcc/tree-optimize.c
index aebcbb1..5df3fdb 100644 (file)
--- a/gcc/tree-optimize.c
+++ b/gcc/tree-optimize.c
@@ -87,13 +87,27 @@ gate_all_early_local_passes (void)
   return (!seen_error () && !in_lto_p);
 }
 
+static unsigned int
+execute_all_early_local_passes (void)
+{
+  /* Once this pass (and its sub-passes) are complete, all functions
+     will be in SSA form.  Technically this state change is happening
+     a tad early, since the sub-passes have not yet run, but since
+     none of the sub-passes are IPA passes and do not create new
+     functions, this is ok.  We're setting this value for the benefit
+     of IPA passes that follow.  */
+  if (cgraph_state < CGRAPH_STATE_IPA_SSA)
+    cgraph_state = CGRAPH_STATE_IPA_SSA;
+  return 0;
+}
+
 struct simple_ipa_opt_pass pass_early_local_passes =
 {
  {
   SIMPLE_IPA_PASS,
   "early_local_cleanups",              /* name */
   gate_all_early_local_passes,         /* gate */
-  NULL,                                        /* execute */
+  execute_all_early_local_passes,      /* execute */
   NULL,                                        /* sub */
   NULL,                                        /* next */
   0,                                   /* static_pass_number */
@@ -106,18 +120,6 @@ struct simple_ipa_opt_pass pass_early_local_passes =
  }
 };
 
-static unsigned int
-execute_early_local_optimizations (void)
-{
-  /* First time we start with early optimization we need to advance
-     cgraph state so newly inserted functions are also early optimized.
-     However we execute early local optimizations for lately inserted
-     functions, in that case don't reset cgraph state back to IPA_SSA.  */
-  if (cgraph_state < CGRAPH_STATE_IPA_SSA)
-    cgraph_state = CGRAPH_STATE_IPA_SSA;
-  return 0;
-}
-
 /* Gate: execute, or not, all of the non-trivial optimizations.  */
 
 static bool
@@ -134,7 +136,7 @@ struct gimple_opt_pass pass_all_early_optimizations =
   GIMPLE_PASS,
   "early_optimizations",               /* name */
   gate_all_early_optimizations,                /* gate */
-  execute_early_local_optimizations,   /* execute */
+  NULL,                                        /* execute */
   NULL,                                        /* sub */
   NULL,                                        /* next */
   0,                                   /* static_pass_number */
@@ -191,6 +193,35 @@ execute_cleanup_cfg_post_optimizing (void)
   cleanup_tree_cfg ();
   cleanup_dead_labels ();
   group_case_labels ();
+  if ((flag_compare_debug_opt || flag_compare_debug)
+      && flag_dump_final_insns)
+    {
+      FILE *final_output = fopen (flag_dump_final_insns, "a");
+
+      if (!final_output)
+       {
+         error ("could not open final insn dump file %qs: %m",
+                flag_dump_final_insns);
+         flag_dump_final_insns = NULL;
+       }
+      else
+       {
+         int save_unnumbered = flag_dump_unnumbered;
+         int save_noaddr = flag_dump_noaddr;
+
+         flag_dump_noaddr = flag_dump_unnumbered = 1;
+         fprintf (final_output, "\n");
+         dump_enumerated_decls (final_output, dump_flags | TDF_NOUID);
+         flag_dump_noaddr = save_noaddr;
+         flag_dump_unnumbered = save_unnumbered;
+         if (fclose (final_output))
+           {
+             error ("could not close final insn dump file %qs: %m",
+                    flag_dump_final_insns);
+             flag_dump_final_insns = NULL;
+           }
+       }
+    }
   return 0;
 }