84 lines
3.7 KiB
C++
84 lines
3.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -triple x86_64-unknown-unknown -verify %s
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struct S0 {
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int x;
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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}}
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static const int test1 = __builtin_omp_required_simd_align(decltype(S0::x));
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auto test2() -> char(&)[__builtin_omp_required_simd_align(decltype(x))];
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};
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struct S1; // expected-note 6 {{forward declaration}}
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extern S1 s1;
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const 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')}}
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struct S2 {
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S2();
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S1 &s;
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int x;
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int test4 = __builtin_omp_required_simd_align(decltype(x)); // ok
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int test5 = __builtin_omp_required_simd_align(decltype(s)); // expected-error {{invalid application of '__builtin_omp_required_simd_align' to an incomplete type 'S1'}}
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};
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const int test6 = __builtin_omp_required_simd_align(decltype(S2::x));
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const 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'}}
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// Arguably, these should fail like the S1 cases do: the alignment of
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// 's2.x' should depend on the alignment of both x-within-S2 and
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// s2-within-S3 and thus require 'S3' to be complete. If we start
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// doing the appropriate recursive walk to do that, we should make
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// sure that these cases don't explode.
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struct S3 {
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S2 s2;
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static const int test8 = __builtin_omp_required_simd_align(decltype(s2.x));
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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'}}
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auto test10() -> char(&)[__builtin_omp_required_simd_align(decltype(s2.x))];
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static const int test11 = __builtin_omp_required_simd_align(decltype(S3::s2.x));
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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'}}
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auto test13() -> char(&)[__builtin_omp_required_simd_align(decltype(s2.x))];
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};
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// Same reasoning as S3.
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struct S4 {
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union {
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int x;
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};
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static const int test0 = __builtin_omp_required_simd_align(decltype(x));
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static const int test1 = __builtin_omp_required_simd_align(decltype(S0::x));
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auto test2() -> char(&)[__builtin_omp_required_simd_align(decltype(x))];
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};
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// Regression test for asking for the alignment of a field within an invalid
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// record.
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struct S5 {
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S1 s; // expected-error {{incomplete type}}
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int x;
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};
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const int test8 = __builtin_omp_required_simd_align(decltype(S5::x));
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long long int test14[2];
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static_assert(__builtin_omp_required_simd_align(decltype(test14)) == 16, "foo");
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static_assert(__builtin_omp_required_simd_align(int[2]) == __builtin_omp_required_simd_align(int), ""); // ok
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namespace __builtin_omp_required_simd_align_array_expr {
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alignas(32) extern int n[2];
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static_assert(__builtin_omp_required_simd_align(decltype(n)) == 16, "");
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template<int> struct S {
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static int a[];
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};
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template<int N> int S<N>::a[N];
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static_assert(__builtin_omp_required_simd_align(decltype(S<1>::a)) == __builtin_omp_required_simd_align(int), "");
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static_assert(__builtin_omp_required_simd_align(decltype(S<1128>::a)) == __builtin_omp_required_simd_align(int), "");
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}
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template <typename T> void n(T) {
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alignas(T) int T1;
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char k[__builtin_omp_required_simd_align(decltype(T1))];
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static_assert(sizeof(k) == __builtin_omp_required_simd_align(long long), "");
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}
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template void n(long long);
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