diff --git a/tests/codegen/ergonomic-clones/closure.rs b/tests/codegen/ergonomic-clones/closure.rs new file mode 100644 index 00000000000..b6fc8172641 --- /dev/null +++ b/tests/codegen/ergonomic-clones/closure.rs @@ -0,0 +1,55 @@ +//@ compile-flags: -C no-prepopulate-passes -Copt-level=0 -Zmir-opt-level=0 + +#![crate_type = "lib"] + +#![feature(ergonomic_clones)] +#![allow(incomplete_features)] + +use std::clone::UseCloned; + +pub fn ergonomic_clone_closure_move() -> String { + let s = String::from("hi"); + + // CHECK-NOT: ; call core::clone::impls::::clone + let cl = use || s; + cl() +} + +#[derive(Clone)] +struct Foo; + +impl UseCloned for Foo {} + +pub fn ergonomic_clone_closure_use_cloned() -> Foo { + let f = Foo; + + // CHECK: ; call ::clone + let f1 = use || f; + + // CHECK: ; call ::clone + let f2 = use || f; + + f +} + +pub fn ergonomic_clone_closure_copy() -> i32 { + let i = 1; + + // CHECK-NOT: ; call core::clone::impls::::clone + let i1 = use || i; + + // CHECK-NOT: ; call core::clone::impls::::clone + let i2 = use || i; + + i +} + +pub fn ergonomic_clone_closure_use_cloned_generics(f: T) -> T { + // CHECK-NOT: ; call core::clone::impls::::clone + let f1 = use || f; + + // CHECK-NOT: ; call core::clone::impls::::clone + let f2 = use || f; + + f +}