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-rw-r--r--gcc/tree-ssa-loop.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c
index 885954e..816be15 100644
--- a/gcc/tree-ssa-loop.c
+++ b/gcc/tree-ssa-loop.c
@@ -111,6 +111,39 @@ struct tree_opt_pass pass_loop_init =
0 /* todo_flags_finish */
};
+/* Loop invariant motion pass. */
+
+static void
+tree_ssa_loop_im (void)
+{
+ if (!current_loops)
+ return;
+
+ tree_ssa_lim (current_loops);
+}
+
+static bool
+gate_tree_ssa_loop_im (void)
+{
+ return flag_tree_lim != 0;
+}
+
+struct tree_opt_pass pass_lim =
+{
+ "lim", /* name */
+ gate_tree_ssa_loop_im, /* gate */
+ tree_ssa_loop_im, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_LIM, /* tv_id */
+ PROP_cfg, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func /* todo_flags_finish */
+};
+
/* Loop optimizer finalization. */
static void