PR c++/43890

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-loop.c

diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c
index c52b787..1ecad36 100644 (file)
--- a/gcc/tree-ssa-loop.c
+++ b/gcc/tree-ssa-loop.c
@@ -1,18 +1,18 @@
 /* Loop optimizations over tree-ssa.
    Copyright (C) 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-   
+
 This file is part of GCC.
-   
+
 GCC is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
 Free Software Foundation; either version 3, or (at your option) any
 later version.
-   
+
 GCC is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
-   
+
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
@@ -22,9 +22,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "coretypes.h"
 #include "tm.h"
 #include "tree.h"
-#include "rtl.h"
 #include "tm_p.h"
-#include "hard-reg-set.h"
 #include "basic-block.h"
 #include "output.h"
 #include "diagnostic.h"
@@ -47,7 +45,7 @@ gate_tree_loop (void)
   return flag_tree_loop_optimize != 0;
 }
 
-struct gimple_opt_pass pass_tree_loop = 
+struct gimple_opt_pass pass_tree_loop =
 {
  {
   GIMPLE_PASS,
@@ -81,8 +79,8 @@ tree_ssa_loop_init (void)
   scev_initialize ();
   return 0;
 }
-  
-struct gimple_opt_pass pass_tree_loop_init = 
+
+struct gimple_opt_pass pass_tree_loop_init =
 {
  {
   GIMPLE_PASS,
@@ -97,7 +95,7 @@ struct gimple_opt_pass pass_tree_loop_init =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops   /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -109,8 +107,7 @@ tree_ssa_loop_im (void)
   if (number_of_loops () <= 1)
     return 0;
 
-  tree_ssa_lim ();
-  return 0;
+  return tree_ssa_lim ();
 }
 
 static bool
@@ -119,7 +116,7 @@ gate_tree_ssa_loop_im (void)
   return flag_tree_loop_im != 0;
 }
 
-struct gimple_opt_pass pass_lim = 
+struct gimple_opt_pass pass_lim =
 {
  {
   GIMPLE_PASS,
@@ -134,7 +131,7 @@ struct gimple_opt_pass pass_lim =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops   /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -155,7 +152,7 @@ gate_tree_ssa_loop_unswitch (void)
   return flag_unswitch_loops != 0;
 }
 
-struct gimple_opt_pass pass_tree_unswitch = 
+struct gimple_opt_pass pass_tree_unswitch =
 {
  {
   GIMPLE_PASS,
@@ -170,8 +167,7 @@ struct gimple_opt_pass pass_tree_unswitch =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_ggc_collect | TODO_dump_func
-    | TODO_verify_loops                        /* todo_flags_finish */
+  TODO_ggc_collect | TODO_dump_func    /* todo_flags_finish */
  }
 };
 
@@ -193,7 +189,7 @@ gate_tree_predictive_commoning (void)
   return flag_predictive_commoning != 0;
 }
 
-struct gimple_opt_pass pass_predcom = 
+struct gimple_opt_pass pass_predcom =
 {
  {
   GIMPLE_PASS,
@@ -208,7 +204,7 @@ struct gimple_opt_pass pass_predcom =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops
+  TODO_dump_func
     | TODO_update_ssa_only_virtuals    /* todo_flags_finish */
  }
 };
@@ -244,7 +240,7 @@ struct gimple_opt_pass pass_vectorize =
   PROP_cfg | PROP_ssa,                  /* properties_required */
   0,                                    /* properties_provided */
   0,                                    /* properties_destroyed */
-  TODO_verify_loops,                   /* todo_flags_start */
+  0,                                   /* todo_flags_start */
   TODO_dump_func | TODO_update_ssa
     | TODO_ggc_collect                 /* todo_flags_finish */
  }
@@ -283,7 +279,7 @@ struct gimple_opt_pass pass_linear_transform =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops
+  TODO_dump_func
     | TODO_update_ssa_only_virtuals
     | TODO_ggc_collect                 /* todo_flags_finish */
  }
@@ -305,15 +301,12 @@ graphite_transforms (void)
 static bool
 gate_graphite_transforms (void)
 {
-  /* Enable -fgraphite pass if any one of the graphite optimization flags 
+  /* Enable -fgraphite pass if any one of the graphite optimization flags
      is turned on.  */
   if (flag_loop_block || flag_loop_interchange || flag_loop_strip_mine
       || flag_graphite_identity || flag_loop_parallelize_all)
     flag_graphite = 1;
 
-  if (flag_loop_block)
-    sorry ("loop blocking not implemented");
-
   return flag_graphite != 0;
 }
 
@@ -332,7 +325,7 @@ struct gimple_opt_pass pass_graphite_transforms =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_verify_loops                    /* todo_flags_finish */
+  0                                    /* todo_flags_finish */
  }
 };
 
@@ -405,7 +398,7 @@ struct gimple_opt_pass pass_iv_canon =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops   /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -504,7 +497,7 @@ struct gimple_opt_pass pass_complete_unroll =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops
+  TODO_dump_func
     | TODO_ggc_collect                 /* todo_flags_finish */
  }
 };
@@ -551,7 +544,7 @@ struct gimple_opt_pass pass_complete_unrolli =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops
+  TODO_dump_func
     | TODO_ggc_collect                         /* todo_flags_finish */
  }
 };
@@ -590,7 +583,7 @@ struct gimple_opt_pass pass_parallelize_loops =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops   /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -626,7 +619,7 @@ struct gimple_opt_pass pass_loop_prefetch =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops   /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -663,8 +656,7 @@ struct gimple_opt_pass pass_iv_optimize =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func | TODO_verify_loops
-  | TODO_update_ssa | TODO_ggc_collect /* todo_flags_finish */
+  TODO_dump_func | TODO_update_ssa | TODO_ggc_collect  /* todo_flags_finish */
  }
 };
 
@@ -678,8 +670,8 @@ tree_ssa_loop_done (void)
   loop_optimizer_finalize ();
   return 0;
 }
-  
-struct gimple_opt_pass pass_tree_loop_done = 
+
+struct gimple_opt_pass pass_tree_loop_done =
 {
  {
   GIMPLE_PASS,