1 // RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s
2
3 struct Simple {
4 char a, b;
5 };
6
test_ldrex(char * addr)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((float *)addr);
14 sum += __builtin_arm_ldrex((double *)addr);
15 sum += *__builtin_arm_ldrex((int **)addr);
16 sum += __builtin_arm_ldrex((struct Simple **)addr)->a;
17 sum += __builtin_arm_ldrex((volatile char *)addr);
18 sum += __builtin_arm_ldrex((const volatile char *)addr);
19
20 // In principle this might be valid, but stick to ints and floats for scalar
21 // types at the moment.
22 sum += __builtin_arm_ldrex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}}
23
24 sum += __builtin_arm_ldrex((__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
25
26 __builtin_arm_ldrex(); // expected-error {{too few arguments to function call}}
27 __builtin_arm_ldrex(1, 2); // expected-error {{too many arguments to function call}}
28 return sum;
29 }
30
test_strex(char * addr)31 int test_strex(char *addr) {
32 int res = 0;
33 struct Simple var = {0};
34 res |= __builtin_arm_strex(4, addr);
35 res |= __builtin_arm_strex(42, (short *)addr);
36 res |= __builtin_arm_strex(42, (int *)addr);
37 res |= __builtin_arm_strex(42, (long long *)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 res |= __builtin_arm_strex(1, (__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
52
53 __builtin_arm_strex(1); // expected-error {{too few arguments to function call}}
54 __builtin_arm_strex(1, 2, 3); // expected-error {{too many arguments to function call}}
55 return res;
56 }
57
test_ldaex(char * addr)58 int test_ldaex(char *addr) {
59 int sum = 0;
60 sum += __builtin_arm_ldaex(addr);
61 sum += __builtin_arm_ldaex((short *)addr);
62 sum += __builtin_arm_ldaex((int *)addr);
63 sum += __builtin_arm_ldaex((long long *)addr);
64 sum += __builtin_arm_ldaex((float *)addr);
65 sum += __builtin_arm_ldaex((double *)addr);
66 sum += *__builtin_arm_ldaex((int **)addr);
67 sum += __builtin_arm_ldaex((struct Simple **)addr)->a;
68 sum += __builtin_arm_ldaex((volatile char *)addr);
69 sum += __builtin_arm_ldaex((const volatile char *)addr);
70
71 // In principle this might be valid, but stick to ints and floats for scalar
72 // types at the moment.
73 sum += __builtin_arm_ldaex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}}
74
75 sum += __builtin_arm_ldaex((__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
76
77 __builtin_arm_ldaex(); // expected-error {{too few arguments to function call}}
78 __builtin_arm_ldaex(1, 2); // expected-error {{too many arguments to function call}}
79 return sum;
80 }
81
test_stlex(char * addr)82 int test_stlex(char *addr) {
83 int res = 0;
84 struct Simple var = {0};
85 res |= __builtin_arm_stlex(4, addr);
86 res |= __builtin_arm_stlex(42, (short *)addr);
87 res |= __builtin_arm_stlex(42, (int *)addr);
88 res |= __builtin_arm_stlex(42, (long long *)addr);
89 res |= __builtin_arm_stlex(2.71828f, (float *)addr);
90 res |= __builtin_arm_stlex(3.14159, (double *)addr);
91 res |= __builtin_arm_stlex(&var, (struct Simple **)addr);
92
93 res |= __builtin_arm_stlex(42, (volatile char *)addr);
94 res |= __builtin_arm_stlex(42, (char *const)addr);
95 res |= __builtin_arm_stlex(42, (const char *)addr); // expected-warning {{passing 'const char *' to parameter of type 'volatile char *' discards qualifiers}}
96
97
98 res |= __builtin_arm_stlex(var, (struct Simple *)addr); // expected-error {{address argument to atomic builtin must be a pointer to}}
99 res |= __builtin_arm_stlex(var, (struct Simple **)addr); // expected-error {{passing 'struct Simple' to parameter of incompatible type 'struct Simple *'}}
100 res |= __builtin_arm_stlex(&var, (struct Simple **)addr).a; // expected-error {{is not a structure or union}}
101
102 res |= __builtin_arm_stlex(1, (__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
103
104 __builtin_arm_stlex(1); // expected-error {{too few arguments to function call}}
105 __builtin_arm_stlex(1, 2, 3); // expected-error {{too many arguments to function call}}
106 return res;
107 }
108
test_clrex()109 void test_clrex() {
110 __builtin_arm_clrex();
111 __builtin_arm_clrex(1); // expected-error {{too many arguments to function call}}
112 }
113