diff options
Diffstat (limited to 'tests/codegen-llvm/slice-iter-fold.rs')
| -rw-r--r-- | tests/codegen-llvm/slice-iter-fold.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/codegen-llvm/slice-iter-fold.rs b/tests/codegen-llvm/slice-iter-fold.rs new file mode 100644 index 00000000000..55ab34661c3 --- /dev/null +++ b/tests/codegen-llvm/slice-iter-fold.rs @@ -0,0 +1,12 @@ +//@ compile-flags: -Copt-level=3 +#![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)) +} |
