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1 // RUN: %clang_cc1 %s -verify -fsyntax-only -triple i686-pc-linux
2 
3 int a __attribute__((naked)); // expected-warning {{'naked' attribute only applies to functions}}
4 
t0(void)5 __attribute__((naked)) int t0(void) {
6   __asm__ volatile("mov r0, #0");
7 }
8 
9 void t1() __attribute__((naked));
10 
11 void t2() __attribute__((naked(2))); // expected-error {{'naked' attribute takes no arguments}}
12 
t3()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 
t4()17 __attribute__((naked)) int t4() {
18   asm("movl $42, %eax");
19   asm("retl");
20 }
21 
t5(int x)22 __attribute__((naked)) int t5(int x) {
23   asm("movl x, %eax");
24   asm("retl");
25 }
26 
t6()27 __attribute__((naked)) void t6() {
28   ;
29 }
30 
t7()31 __attribute__((naked)) void t7() {
32   asm("movl $42, %eax");
33   ;
34 }
35 
36 extern int x, y;
37 
t8(int z)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 
t9(int z)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