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// compile-flags: -C no-prepopulate-passes -Copt-level=0
// needs-asm-support
// only-x86_64
#![crate_type = "lib"]
#![feature(naked_functions)]
use std::arch::asm;
// CHECK: Function Attrs: naked
// CHECK-NEXT: define{{.*}}void @naked_empty()
#[no_mangle]
#[naked]
pub unsafe extern "C" fn naked_empty() {
// CHECK-NEXT: {{.+}}:
// CHECK-NEXT: call void asm
// CHECK-NEXT: unreachable
asm!("ret",
options(noreturn));
}
// CHECK: Function Attrs: naked
// CHECK-NEXT: define{{.*}}i{{[0-9]+}} @naked_with_args_and_return(i64 %a, i64 %b)
#[no_mangle]
#[naked]
pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize {
// CHECK-NEXT: {{.+}}:
// CHECK-NEXT: call void asm
// CHECK-NEXT: unreachable
asm!("lea rax, [rdi + rsi]",
"ret",
options(noreturn));
}
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