1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // compile-flags: -C no-prepopulate-passes
13 #![feature(core_intrinsics)]
14 #![crate_type = "lib"]
16 // test that `move_val_init` actually avoids big allocas
18 use std::intrinsics::move_val_init;
24 // CHECK-LABEL: @test_mvi
26 pub unsafe fn test_mvi(target: *mut Big, make_big: fn() -> Big) {
27 // CHECK: call void %make_big(%Big*{{[^%]*}} %target)
28 move_val_init(target, make_big());