// Test that llvm generates `memcpy` for moving a value // inside a function and moving an argument. struct Foo { x: Vec, } #[inline(never)] #[no_mangle] // CHECK: memcpy fn interior(x: Vec) -> Vec { let Foo { x } = Foo { x: x }; x } #[inline(never)] #[no_mangle] // CHECK: memcpy fn exterior(x: Vec) -> Vec { x } fn main() { let x = interior(Vec::new()); println!("{:?}", x); let x = exterior(Vec::new()); println!("{:?}", x); }