1 | // RUN: %clang_cc1 -triple arm64-apple-ios7.0 -fsyntax-only -verify %s |
2 | |
3 | struct Simple { |
4 | char a, b; |
5 | }; |
6 | |
7 | int test_ldrex(char *addr) { |
8 | int sum = 0; |
9 | sum += __builtin_arm_ldrex(addr); |
10 | sum += __builtin_arm_ldrex((short *)addr); |
11 | sum += __builtin_arm_ldrex((int *)addr); |
12 | sum += __builtin_arm_ldrex((long long *)addr); |
13 | sum += __builtin_arm_ldrex((__int128 *)addr); |
14 | sum += __builtin_arm_ldrex((float *)addr); |
15 | sum += __builtin_arm_ldrex((double *)addr); |
16 | sum += *__builtin_arm_ldrex((int **)addr); |
17 | sum += __builtin_arm_ldrex((struct Simple **)addr)->a; |
18 | sum += __builtin_arm_ldrex((volatile char *)addr); |
19 | sum += __builtin_arm_ldrex((const volatile char *)addr); |
20 | |
21 | // In principle this might be valid, but stick to ints and floats for scalar |
22 | // types at the moment. |
23 | sum += __builtin_arm_ldrex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}} |
24 | |
25 | __builtin_arm_ldrex(); // expected-error {{too few arguments to function call}} |
26 | __builtin_arm_ldrex(1, 2); // expected-error {{too many arguments to function call}} |
27 | return sum; |
28 | } |
29 | |
30 | int test_strex(char *addr) { |
31 | int res = 0; |
32 | struct Simple var = {0}; |
33 | res |= __builtin_arm_strex(4, addr); |
34 | res |= __builtin_arm_strex(42, (short *)addr); |
35 | res |= __builtin_arm_strex(42, (int *)addr); |
36 | res |= __builtin_arm_strex(42, (long long *)addr); |
37 | res |= __builtin_arm_strex(42, (__int128 *)addr); |
38 | res |= __builtin_arm_strex(2.71828f, (float *)addr); |
39 | res |= __builtin_arm_strex(3.14159, (double *)addr); |
40 | res |= __builtin_arm_strex(&var, (struct Simple **)addr); |
41 | |
42 | res |= __builtin_arm_strex(42, (volatile char *)addr); |
43 | res |= __builtin_arm_strex(42, (char *const)addr); |
44 | res |= __builtin_arm_strex(42, (const char *)addr); // expected-warning {{passing 'const char *' to parameter of type 'volatile char *' discards qualifiers}} |
45 | |
46 | |
47 | res |= __builtin_arm_strex(var, (struct Simple *)addr); // expected-error {{address argument to atomic builtin must be a pointer to}} |
48 | res |= __builtin_arm_strex(var, (struct Simple **)addr); // expected-error {{passing 'struct Simple' to parameter of incompatible type 'struct Simple *'}} |
49 | res |= __builtin_arm_strex(&var, (struct Simple **)addr).a; // expected-error {{is not a structure or union}} |
50 | |
51 | __builtin_arm_strex(1); // expected-error {{too few arguments to function call}} |
52 | __builtin_arm_strex(1, 2, 3); // expected-error {{too many arguments to function call}} |
53 | return res; |
54 | } |
55 | |
56 | int test_ldaex(char *addr) { |
57 | int sum = 0; |
58 | sum += __builtin_arm_ldaex(addr); |
59 | sum += __builtin_arm_ldaex((short *)addr); |
60 | sum += __builtin_arm_ldaex((int *)addr); |
61 | sum += __builtin_arm_ldaex((long long *)addr); |
62 | sum += __builtin_arm_ldaex((__int128 *)addr); |
63 | sum += __builtin_arm_ldaex((float *)addr); |
64 | sum += __builtin_arm_ldaex((double *)addr); |
65 | sum += *__builtin_arm_ldaex((int **)addr); |
66 | sum += __builtin_arm_ldaex((struct Simple **)addr)->a; |
67 | sum += __builtin_arm_ldaex((volatile char *)addr); |
68 | sum += __builtin_arm_ldaex((const volatile char *)addr); |
69 | |
70 | // In principle this might be valid, but stick to ints and floats for scalar |
71 | // types at the moment. |
72 | sum += __builtin_arm_ldaex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}} |
73 | |
74 | __builtin_arm_ldaex(); // expected-error {{too few arguments to function call}} |
75 | __builtin_arm_ldaex(1, 2); // expected-error {{too many arguments to function call}} |
76 | return sum; |
77 | } |
78 | |
79 | int test_stlex(char *addr) { |
80 | int res = 0; |
81 | struct Simple var = {0}; |
82 | res |= __builtin_arm_stlex(4, addr); |
83 | res |= __builtin_arm_stlex(42, (short *)addr); |
84 | res |= __builtin_arm_stlex(42, (int *)addr); |
85 | res |= __builtin_arm_stlex(42, (long long *)addr); |
86 | res |= __builtin_arm_stlex(42, (__int128 *)addr); |
87 | res |= __builtin_arm_stlex(2.71828f, (float *)addr); |
88 | res |= __builtin_arm_stlex(3.14159, (double *)addr); |
89 | res |= __builtin_arm_stlex(&var, (struct Simple **)addr); |
90 | |
91 | res |= __builtin_arm_stlex(42, (volatile char *)addr); |
92 | res |= __builtin_arm_stlex(42, (char *const)addr); |
93 | res |= __builtin_arm_stlex(42, (const char *)addr); // expected-warning {{passing 'const char *' to parameter of type 'volatile char *' discards qualifiers}} |
94 | |
95 | |
96 | res |= __builtin_arm_stlex(var, (struct Simple *)addr); // expected-error {{address argument to atomic builtin must be a pointer to}} |
97 | res |= __builtin_arm_stlex(var, (struct Simple **)addr); // expected-error {{passing 'struct Simple' to parameter of incompatible type 'struct Simple *'}} |
98 | res |= __builtin_arm_stlex(&var, (struct Simple **)addr).a; // expected-error {{is not a structure or union}} |
99 | |
100 | __builtin_arm_stlex(1); // expected-error {{too few arguments to function call}} |
101 | __builtin_arm_stlex(1, 2, 3); // expected-error {{too many arguments to function call}} |
102 | return res; |
103 | } |
104 | |
105 | void test_clrex() { |
106 | __builtin_arm_clrex(); |
107 | __builtin_arm_clrex(1); // expected-error {{too many arguments to function call}} |
108 | } |
109 | |