1// RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s
2
3struct Simple {
4  char a, b;
5};
6
7int 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
31int 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
58int 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
82int 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
109void test_clrex() {
110  __builtin_arm_clrex();
111  __builtin_arm_clrex(1); // expected-error {{too many arguments to function call}}
112}
113