#include "basic-block.h"
#include "output.h"
#include "diagnostic.h"
-#include "basic-block.h"
#include "tree-flow.h"
#include "tree-dump.h"
#include "tree-pass.h"
#include "cfgloop.h"
#include "flags.h"
#include "tree-inline.h"
+#include "tree-scalar-evolution.h"
/* The loop tree currently optimized. */
rewrite_into_ssa (false);
bitmap_clear (vars_to_rename);
+ rewrite_into_loop_closed_ssa ();
+#ifdef ENABLE_CHECKING
+ verify_loop_closed_ssa ();
+#endif
+
return loops;
}
0, /* properties_provided */
0, /* properties_destroyed */
TODO_ggc_collect, /* todo_flags_start */
- TODO_dump_func | TODO_verify_ssa | TODO_ggc_collect /* todo_flags_finish */
+ TODO_dump_func | TODO_verify_ssa | TODO_ggc_collect, /* todo_flags_finish */
+ 0 /* letter */
};
/* Loop optimizer initialization. */
tree_ssa_loop_init (void)
{
current_loops = tree_loop_optimizer_init (dump_file);
+ if (!current_loops)
+ return;
+
+ /* Find the loops that are exited just through a single edge. */
+ mark_single_exit_loops (current_loops);
+
+ scev_initialize (current_loops);
}
struct tree_opt_pass pass_loop_init =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
};
/* Loop invariant motion pass. */
static bool
gate_tree_ssa_loop_im (void)
{
- return flag_tree_lim != 0;
+ return flag_tree_loop_im != 0;
}
struct tree_opt_pass pass_lim =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func /* todo_flags_finish */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+/* Loop unswitching pass. */
+
+static void
+tree_ssa_loop_unswitch (void)
+{
+ if (!current_loops)
+ return;
+
+ tree_ssa_unswitch_loops (current_loops);
+}
+
+static bool
+gate_tree_ssa_loop_unswitch (void)
+{
+ return flag_unswitch_loops != 0;
+}
+
+struct tree_opt_pass pass_unswitch =
+{
+ "unswitch", /* name */
+ gate_tree_ssa_loop_unswitch, /* gate */
+ tree_ssa_loop_unswitch, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_TREE_LOOP_UNSWITCH, /* tv_id */
+ PROP_cfg, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+/* Loop autovectorization. */
+
+static void
+tree_vectorize (void)
+{
+ if (!current_loops)
+ return;
+
+ bitmap_clear (vars_to_rename);
+ vectorize_loops (current_loops);
+}
+
+static bool
+gate_tree_vectorize (void)
+{
+ return flag_tree_vectorize != 0;
+}
+
+struct tree_opt_pass pass_vectorize =
+{
+ "vect", /* name */
+ gate_tree_vectorize, /* gate */
+ tree_vectorize, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_TREE_VECTORIZATION, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+
+/* Loop nest optimizations. */
+
+static void
+tree_linear_transform (void)
+{
+ if (!current_loops)
+ return;
+
+ linear_transform_loops (current_loops);
+}
+
+static bool
+gate_tree_linear_transform (void)
+{
+ return flag_tree_loop_linear != 0;
+}
+
+struct tree_opt_pass pass_linear_transform =
+{
+ "ltrans", /* name */
+ gate_tree_linear_transform, /* gate */
+ tree_linear_transform, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_TREE_LINEAR_TRANSFORM, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+/* Canonical induction variable creation pass. */
+
+static void
+tree_ssa_loop_ivcanon (void)
+{
+ if (!current_loops)
+ return;
+
+ canonicalize_induction_variables (current_loops);
+}
+
+static bool
+gate_tree_ssa_loop_ivcanon (void)
+{
+ return flag_tree_loop_ivcanon != 0;
+}
+
+struct tree_opt_pass pass_iv_canon =
+{
+ "ivcanon", /* name */
+ gate_tree_ssa_loop_ivcanon, /* gate */
+ tree_ssa_loop_ivcanon, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_TREE_LOOP_IVCANON, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+/* Complete unrolling of loops. */
+
+static void
+tree_complete_unroll (void)
+{
+ if (!current_loops)
+ return;
+
+ tree_unroll_loops_completely (current_loops);
+}
+
+static bool
+gate_tree_complete_unroll (void)
+{
+ return flag_unroll_loops != 0;
+}
+
+struct tree_opt_pass pass_complete_unroll =
+{
+ "cunroll", /* name */
+ gate_tree_complete_unroll, /* gate */
+ tree_complete_unroll, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_COMPLETE_UNROLL, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
+};
+
+/* Induction variable optimizations. */
+
+static void
+tree_ssa_loop_ivopts (void)
+{
+ if (!current_loops)
+ return;
+
+ tree_ssa_iv_optimize (current_loops);
+}
+
+static bool
+gate_tree_ssa_loop_ivopts (void)
+{
+ return flag_ivopts != 0;
+}
+
+struct tree_opt_pass pass_iv_optimize =
+{
+ "ivopts", /* name */
+ gate_tree_ssa_loop_ivopts, /* gate */
+ tree_ssa_loop_ivopts, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_TREE_LOOP_IVOPTS, /* tv_id */
+ PROP_cfg | PROP_ssa, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
};
/* Loop optimizer finalization. */
if (!current_loops)
return;
+#ifdef ENABLE_CHECKING
+ verify_loop_closed_ssa ();
+#endif
+
+ free_numbers_of_iterations_estimates (current_loops);
+ scev_finalize ();
loop_optimizer_finalize (current_loops,
(dump_flags & TDF_DETAILS ? dump_file : NULL));
current_loops = NULL;
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
};
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