Change export code to use the backend interface.

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

diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c
index 1ecad36..c7efc7c 100644 (file)
--- a/gcc/tree-ssa-loop.c
+++ b/gcc/tree-ssa-loop.c
@@ -1,5 +1,6 @@
 /* Loop optimizations over tree-ssa.
-   Copyright (C) 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -25,7 +26,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "tm_p.h"
 #include "basic-block.h"
 #include "output.h"
-#include "diagnostic.h"
 #include "tree-flow.h"
 #include "tree-dump.h"
 #include "tree-pass.h"
@@ -34,7 +34,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "flags.h"
 #include "tree-inline.h"
 #include "tree-scalar-evolution.h"
-#include "toplev.h"
+#include "diagnostic-core.h"
 #include "tree-vectorizer.h"
 
 /* The loop superpass.  */
@@ -179,8 +179,7 @@ run_tree_predictive_commoning (void)
   if (!current_loops)
     return 0;
 
-  tree_predictive_commoning ();
-  return 0;
+  return tree_predictive_commoning ();
 }
 
 static bool
@@ -246,70 +245,54 @@ struct gimple_opt_pass pass_vectorize =
  }
 };
 
-/* Loop nest optimizations.  */
+/* GRAPHITE optimizations.  */
 
 static unsigned int
-tree_linear_transform (void)
+graphite_transforms (void)
 {
-  if (number_of_loops () <= 1)
+  if (!current_loops)
     return 0;
 
-  linear_transform_loops ();
+  graphite_transform_loops ();
+
   return 0;
 }
 
 static bool
-gate_tree_linear_transform (void)
+gate_graphite_transforms (void)
 {
-  return flag_tree_loop_linear != 0;
+  /* 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_loop_flatten)
+    flag_graphite = 1;
+
+  return flag_graphite != 0;
 }
 
-struct gimple_opt_pass pass_linear_transform =
+struct gimple_opt_pass pass_graphite =
 {
  {
   GIMPLE_PASS,
-  "ltrans",                            /* name */
-  gate_tree_linear_transform,          /* gate */
-  tree_linear_transform,                       /* execute */
+  "graphite0",                         /* name */
+  gate_graphite_transforms,            /* gate */
+  NULL,                                        /* execute */
   NULL,                                        /* sub */
   NULL,                                        /* next */
   0,                                   /* static_pass_number */
-  TV_TREE_LINEAR_TRANSFORM,            /* tv_id */
+  TV_GRAPHITE,                         /* tv_id */
   PROP_cfg | PROP_ssa,                 /* properties_required */
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func
-    | TODO_update_ssa_only_virtuals
-    | TODO_ggc_collect                 /* todo_flags_finish */
+  0                                    /* todo_flags_finish */
  }
 };
 
-/* GRAPHITE optimizations.  */
-
-static unsigned int
-graphite_transforms (void)
-{
-  if (!current_loops)
-    return 0;
-
-  graphite_transform_loops ();
-
-  return 0;
-}
-
-static bool
-gate_graphite_transforms (void)
-{
-  /* 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;
-
-  return flag_graphite != 0;
-}
-
 struct gimple_opt_pass pass_graphite_transforms =
 {
  {
@@ -325,7 +308,7 @@ struct gimple_opt_pass pass_graphite_transforms =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  0                                    /* todo_flags_finish */
+  TODO_dump_func                       /* todo_flags_finish */
  }
 };
 
@@ -439,7 +422,7 @@ tree_ssa_loop_bounds (void)
   if (number_of_loops () <= 1)
     return 0;
 
-  estimate_numbers_of_iterations ();
+  estimate_numbers_of_iterations (true);
   scev_reset ();
   return 0;
 }
@@ -544,7 +527,8 @@ struct gimple_opt_pass pass_complete_unrolli =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_dump_func
+  TODO_verify_flow
+    | TODO_dump_func
     | TODO_ggc_collect                         /* todo_flags_finish */
  }
 };
@@ -601,7 +585,7 @@ tree_ssa_loop_prefetch (void)
 static bool
 gate_tree_ssa_loop_prefetch (void)
 {
-  return flag_prefetch_loop_arrays != 0;
+  return flag_prefetch_loop_arrays > 0;
 }
 
 struct gimple_opt_pass pass_loop_prefetch =
@@ -686,6 +670,8 @@ struct gimple_opt_pass pass_tree_loop_done =
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */
-  TODO_cleanup_cfg | TODO_dump_func    /* todo_flags_finish */
+  TODO_cleanup_cfg
+    | TODO_verify_flow
+    | TODO_dump_func                   /* todo_flags_finish */
  }
 };