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// Checks that naked functions are never inlined.
// compile-flags: -O -Zmir-opt-level=3
// needs-asm-support
// ignore-wasm32
#![crate_type = "lib"]
#![feature(naked_functions)]
use std::arch::asm;
#[naked]
#[no_mangle]
pub unsafe extern "C" fn f() {
// Check that f has naked and noinline attributes.
//
// CHECK: define void @f() unnamed_addr [[ATTR:#[0-9]+]]
// CHECK-NEXT: start:
// CHECK-NEXT: call void asm
asm!("", options(noreturn));
}
#[no_mangle]
pub unsafe fn g() {
// Check that call to f is not inlined.
//
// CHECK-LABEL: define void @g()
// CHECK-NEXT: start:
// CHECK-NEXT: call void @f()
f();
}
// CHECK: attributes [[ATTR]] = { naked{{.*}}noinline{{.*}} }
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