[gcc(refs/users/marxin/heads/loop-unswitch-improvement-v7)] Fix thinko.

[Martin Liska]

https://gcc.gnu.org/g:29519adc52b1433545d15461ec3056908d10fe76

commit 29519adc52b1433545d15461ec3056908d10fe76
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Dec 7 16:13:05 2021 +0100

    Fix thinko.

Diff:
---
 gcc/tree-ssa-loop-unswitch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index 6e5dc923fba..3de93925a10 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -553,7 +553,7 @@ evaluate_control_stmt_using_entry_checks (gimple *stmt,
 	  int_range_max path_range;
 
 	  if (find_range_for_lhs (predicate_path, lhs, path_range)
-	      && path_range.undefined_p ()
+	      && !path_range.undefined_p ()
 	      && fold_range (r, stmt, path_range)
 	      && r.singleton_p ())
 	    return r.zero_p () ? boolean_false_node : boolean_true_node;