/* Loop optimizations over tree-ssa.
- Copyright (C) 2003, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
#include "tree-inline.h"
#include "tree-scalar-evolution.h"
-/* Initializes the loop structures. */
-
-static void
-tree_loop_optimizer_init (void)
-{
- loop_optimizer_init (LOOPS_NORMAL
- | LOOPS_HAVE_RECORDED_EXITS);
- rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
-}
-
/* The loop superpass. */
static bool
static unsigned int
tree_ssa_loop_init (void)
{
- tree_loop_optimizer_init ();
+ loop_optimizer_init (LOOPS_NORMAL
+ | LOOPS_HAVE_RECORDED_EXITS);
+ rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
+
if (number_of_loops () <= 1)
return 0;
}
};
+/* 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_graphite = 1;
+
+ return flag_graphite != 0;
+}
+
+struct gimple_opt_pass pass_graphite_transforms =
+{
+ {
+ GIMPLE_PASS,
+ "graphite", /* name */
+ gate_graphite_transforms, /* gate */
+ graphite_transforms, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_GRAPHITE_TRANSFORMS, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_verify_loops /* todo_flags_finish */
+ }
+};
+
/* Check the correctness of the data dependence analyzers. */
static unsigned int