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