[gcc(refs/users/marxin/heads/loop-unswitch-improvement-v7)] Simplify irange condition.

[Martin Liska]

https://gcc.gnu.org/g:eddbc4643853ff8de4bcf5117750793decd2e1f5

commit eddbc4643853ff8de4bcf5117750793decd2e1f5
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Dec 8 11:28:35 2021 +0100

    Simplify irange condition.

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

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index cb4be6d52e2..b083d990d4c 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -558,7 +558,6 @@ 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 ()
 	      && fold_range (r, stmt, path_range)
 	      && r.singleton_p ())
 	    return r.zero_p () ? boolean_false_node : boolean_true_node;