1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -triple x86_64-unknown-unknown -verify %s
2
3struct S0 {
4  int x;
5  static const int test0 = __builtin_omp_required_simd_align(x); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an expression, only type is allowed}}
6  static const int test1 = __builtin_omp_required_simd_align(decltype(S0::x));
7  auto test2() -> char(&)[__builtin_omp_required_simd_align(decltype(x))];
8};
9
10struct S1; // expected-note 6 {{forward declaration}}
11extern S1 s1;
12const int test3 = __builtin_omp_required_simd_align(decltype(s1)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'decltype(s1)' (aka 'S1')}}
13
14struct S2 {
15  S2();
16  S1 &s;
17  int x;
18
19  int test4 = __builtin_omp_required_simd_align(decltype(x)); // ok
20  int test5 = __builtin_omp_required_simd_align(decltype(s)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'S1'}}
21};
22
23const int test6 = __builtin_omp_required_simd_align(decltype(S2::x));
24const int test7 = __builtin_omp_required_simd_align(decltype(S2::s)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'S1'}}
25
26// Arguably, these should fail like the S1 cases do: the alignment of
27// 's2.x' should depend on the alignment of both x-within-S2 and
28// s2-within-S3 and thus require 'S3' to be complete.  If we start
29// doing the appropriate recursive walk to do that, we should make
30// sure that these cases don't explode.
31struct S3 {
32  S2 s2;
33
34  static const int test8 = __builtin_omp_required_simd_align(decltype(s2.x));
35  static const int test9 = __builtin_omp_required_simd_align(decltype(s2.s)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'S1'}}
36  auto test10() -> char(&)[__builtin_omp_required_simd_align(decltype(s2.x))];
37  static const int test11 = __builtin_omp_required_simd_align(decltype(S3::s2.x));
38  static const int test12 = __builtin_omp_required_simd_align(decltype(S3::s2.s)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'S1'}}
39  auto test13() -> char(&)[__builtin_omp_required_simd_align(decltype(s2.x))];
40};
41
42// Same reasoning as S3.
43struct S4 {
44  union {
45      int x;
46    };
47  static const int test0 = __builtin_omp_required_simd_align(decltype(x));
48  static const int test1 = __builtin_omp_required_simd_align(decltype(S0::x));
49  auto test2() -> char(&)[__builtin_omp_required_simd_align(decltype(x))];
50};
51
52// Regression test for asking for the alignment of a field within an invalid
53// record.
54struct S5 {
55  S1 s;  // expected-error {{incomplete type}}
56  int x;
57};
58const int test8 = __builtin_omp_required_simd_align(decltype(S5::x));
59
60long long int test14[2];
61
62static_assert(__builtin_omp_required_simd_align(decltype(test14)) == 16, "foo");
63
64static_assert(__builtin_omp_required_simd_align(int[2]) == __builtin_omp_required_simd_align(int), ""); // ok
65
66namespace __builtin_omp_required_simd_align_array_expr {
67  alignas(32) extern int n[2];
68  static_assert(__builtin_omp_required_simd_align(decltype(n)) == 16, "");
69
70  template<int> struct S {
71      static int a[];
72    };
73  template<int N> int S<N>::a[N];
74  static_assert(__builtin_omp_required_simd_align(decltype(S<1>::a)) == __builtin_omp_required_simd_align(int), "");
75  static_assert(__builtin_omp_required_simd_align(decltype(S<1128>::a)) == __builtin_omp_required_simd_align(int), "");
76}
77
78template <typename T> void n(T) {
79  alignas(T) int T1;
80  char k[__builtin_omp_required_simd_align(decltype(T1))];
81  static_assert(sizeof(k) == __builtin_omp_required_simd_align(long long), "");
82}
83template void n(long long);
84