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-rw-r--r--gcc/loop-init.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/gcc/loop-init.c b/gcc/loop-init.c
index b8d7b7e..03f8f61 100644
--- a/gcc/loop-init.c
+++ b/gcc/loop-init.c
@@ -158,15 +158,24 @@ loop_optimizer_finalize (void)
static bool
gate_handle_loop2 (void)
{
- return (optimize > 0
- && (flag_move_loop_invariants
- || flag_unswitch_loops
- || flag_peel_loops
- || flag_unroll_loops
+ if (optimize > 0
+ && (flag_move_loop_invariants
+ || flag_unswitch_loops
+ || flag_peel_loops
+ || flag_unroll_loops
#ifdef HAVE_doloop_end
- || (flag_branch_on_count_reg && HAVE_doloop_end)
+ || (flag_branch_on_count_reg && HAVE_doloop_end)
#endif
- ));
+ ))
+ return true;
+ else
+ {
+ /* No longer preserve loops, remove them now. */
+ cfun->curr_properties &= ~PROP_loops;
+ if (current_loops)
+ loop_optimizer_finalize ();
+ return false;
+ }
}
struct rtl_opt_pass pass_loop2 =