rust/tests/codegen/alloc-optimisation.rs

13 lines
310 B
Rust

//@ compile-flags: -O
#![crate_type = "lib"]
#[no_mangle]
pub fn alloc_test(data: u32) {
// CHECK-LABEL: @alloc_test
// CHECK-NEXT: start:
// CHECK-NEXT: {{.*}} load volatile i8, ptr @__rust_no_alloc_shim_is_unstable, align 1
// CHECK-NEXT: ret void
let x = Box::new(data);
drop(x);
}