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Diffstat (limited to 'gcc/tree-ssa-loop.c')
| -rw-r--r-- | gcc/tree-ssa-loop.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index 2f87d87bacd..19f784d9bbf 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -159,6 +159,40 @@ struct tree_opt_pass pass_lim = 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 |