summaryrefslogtreecommitdiffstats
path: root/tests/codegen/slice-iter-fold.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/codegen/slice-iter-fold.rs')
-rw-r--r--tests/codegen/slice-iter-fold.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/codegen/slice-iter-fold.rs b/tests/codegen/slice-iter-fold.rs
new file mode 100644
index 000000000..9391c1761
--- /dev/null
+++ b/tests/codegen/slice-iter-fold.rs
@@ -0,0 +1,14 @@
+// ignore-debug: the debug assertions get in the way
+// compile-flags: -O
+// min-llvm-version: 16
+#![crate_type = "lib"]
+
+// CHECK-LABEL: @slice_fold_to_last
+#[no_mangle]
+pub fn slice_fold_to_last(slice: &[i32]) -> Option<&i32> {
+ // CHECK-NOT: loop
+ // CHECK-NOT: br
+ // CHECK-NOT: call
+ // CHECK: ret
+ slice.iter().fold(None, |_, i| Some(i))
+}