| //@ compile-flags: -C no-prepopulate-passes -Copt-level=0 | |
| //@ needs-asm-support | |
| //@ ignore-arm no "ret" mnemonic | |
| #![crate_type = "lib"] | |
| #![feature(naked_functions, fn_align)] | |
| use std::arch::naked_asm; | |
| // CHECK: Function Attrs: naked | |
| // CHECK-NEXT: define{{.*}}void @naked_empty() | |
| // CHECK: align 16 | |
| #[repr(align(16))] | |
| #[no_mangle] | |
| #[naked] | |
| pub unsafe extern "C" fn naked_empty() { | |
| // CHECK-NEXT: start: | |
| // CHECK-NEXT: call void asm | |
| // CHECK-NEXT: unreachable | |
| naked_asm!("ret"); | |
| } |