1// RUN: %clang_cc1 %s -verify -fsyntax-only -triple i686-pc-linux
2
3int a __attribute__((naked)); // expected-warning {{'naked' attribute only applies to functions}}
4
5__attribute__((naked)) int t0(void) {
6  __asm__ volatile("mov r0, #0");
7}
8
9void t1() __attribute__((naked));
10
11void t2() __attribute__((naked(2))); // expected-error {{'naked' attribute takes no arguments}}
12
13__attribute__((naked)) int t3() { // expected-note{{attribute is here}}
14  return 42; // expected-error{{non-ASM statement in naked function is not supported}}
15}
16
17__attribute__((naked)) int t4() {
18  asm("movl $42, %eax");
19  asm("retl");
20}
21
22__attribute__((naked)) int t5(int x) {
23  asm("movl x, %eax");
24  asm("retl");
25}
26
27__attribute__((naked)) void t6() {
28  ;
29}
30
31__attribute__((naked)) void t7() {
32  asm("movl $42, %eax");
33  ;
34}
35
36extern int x, y;
37
38__attribute__((naked)) void t8(int z) { // expected-note{{attribute is here}}
39  __asm__ ("movl $42, %1"
40           : "=r"(x),
41             "=r"(z) // expected-error{{parameter references not allowed in naked functions}}
42           );
43}
44
45__attribute__((naked)) void t9(int z) { // expected-note{{attribute is here}}
46  __asm__ ("movl %eax, %1"
47           : : "r"(x),
48               "r"(z) // expected-error{{parameter references not allowed in naked functions}}
49           );
50}
51