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Diffstat (limited to '')
-rw-r--r-- | tests/codegen/slice-iter-fold.rs | 14 |
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)) +} |