42
}
}
+
+// Similarly, check that `partition_point` is known to return a valid fencepost.
+
+// CHECK-LABEL: @unknown_split
+#[no_mangle]
+pub fn unknown_split(x: &[i32], i: usize) -> (&[i32], &[i32]) {
+ // This just makes sure that the subsequent function is looking for the
+ // absence of something that might actually be there.
+
+ // CHECK: call core::panicking::panic
+ x.split_at(i)
+}
+
+// CHECK-LABEL: @partition_point_split_no_bounds_check
+#[no_mangle]
+pub fn partition_point_split_no_bounds_check(x: &[i32], needle: i32) -> (&[i32], &[i32]) {
+ // CHECK-NOT: call core::panicking::panic
+ let i = x.partition_point(|p| p < &needle);
+ x.split_at(i)
+}