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      1 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s
      2 
      3 struct B {
      4   static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
      5   static constexpr int bfoo() { return 8; }
      6 };
      7 namespace X {
      8   B x; // expected-note {{'x' defined here}}
      9 };
     10 constexpr int bfoo() { return 4; }
     11 
     12 int **z;
     13 const int C1 = 1;
     14 const int C2 = 2;
     15 void test_aligned_colons(int *&rp)
     16 {
     17   int *B = 0;
     18   #pragma omp target parallel for simd aligned(B:bfoo())
     19   for (int i = 0; i < 10; ++i) ;
     20   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
     21   #pragma omp target parallel for simd aligned(B::ib:B:bfoo())
     22   for (int i = 0; i < 10; ++i) ;
     23   #pragma omp target parallel for simd aligned(B:B::bfoo())
     24   for (int i = 0; i < 10; ++i) ;
     25   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
     26   #pragma omp target parallel for simd aligned(z:B:bfoo())
     27   for (int i = 0; i < 10; ++i) ;
     28   #pragma omp target parallel for simd aligned(B:B::bfoo())
     29   for (int i = 0; i < 10; ++i) ;
     30   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}}
     31   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
     32   #pragma omp target parallel for simd aligned(X::x : ::z)
     33   for (int i = 0; i < 10; ++i) ;
     34   // expected-error@+1 {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
     35   #pragma omp target parallel for simd aligned(B,rp,::z: X::x)
     36   for (int i = 0; i < 10; ++i) ;
     37   #pragma omp target parallel for simd aligned(::z)
     38   for (int i = 0; i < 10; ++i) ;
     39   // expected-error@+1 {{expected variable name}}
     40   #pragma omp target parallel for simd aligned(B::bfoo())
     41   for (int i = 0; i < 10; ++i) ;
     42   // expected-warning@+1 {{aligned clause will be ignored because the requested alignment is not a power of 2}}
     43   #pragma omp target parallel for simd aligned(B::ib,B:C1+C2)
     44   for (int i = 0; i < 10; ++i) ;
     45 }
     46 
     47 // expected-note@+1 {{'num' defined here}}
     48 template<int L, class T, class N> T test_template(T* arr, N num) {
     49   N i;
     50   T sum = (T)0;
     51   T ind2 = - num * L;
     52   // Negative number is passed as L.
     53   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
     54   #pragma omp target parallel for simd aligned(arr:L)
     55   for (i = 0; i < num; ++i) {
     56     T cur = arr[(int)ind2];
     57     ind2 += L;
     58     sum += cur;
     59   }
     60   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
     61   #pragma omp target parallel for simd aligned(num:4)
     62   for (i = 0; i < num; ++i);
     63   return T();
     64 }
     65 
     66 template<int LEN> int test_warn() {
     67   int *ind2 = 0;
     68   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
     69   #pragma omp target parallel for simd aligned(ind2:LEN)
     70   for (int i = 0; i < 100; i++) {
     71     ind2 += LEN;
     72   }
     73   return 0;
     74 }
     75 
     76 struct S1; // expected-note 2 {{declared here}}
     77 extern S1 a; // expected-note {{'a' declared here}}
     78 class S2 {
     79   mutable int a;
     80 public:
     81   S2():a(0) { }
     82 };
     83 const S2 b; // expected-note 1 {{'b' defined here}}
     84 const S2 ba[5];
     85 class S3 {
     86   int a;
     87 public:
     88   S3():a(0) { }
     89 };
     90 const S3 ca[5];
     91 class S4 {
     92   int a;
     93   S4();
     94 public:
     95   S4(int v):a(v) { }
     96 };
     97 class S5 {
     98   int a;
     99   S5():a(0) {}
    100 public:
    101   S5(int v):a(v) { }
    102 };
    103 
    104 S3 h; // expected-note 2 {{'h' defined here}}
    105 #pragma omp threadprivate(h)
    106 
    107 template<class I, class C> int foomain(I argc, C **argv) {
    108   I e(argc);
    109   I g(argc);
    110   int i; // expected-note {{declared here}} expected-note {{'i' defined here}}
    111   // expected-note@+2 {{declared here}}
    112   // expected-note@+1 {{reference to 'i' is not a constant expression}}
    113   int &j = i;
    114   #pragma omp target parallel for simd aligned // expected-error {{expected '(' after 'aligned'}}
    115   for (I k = 0; k < argc; ++k) ++k;
    116   #pragma omp target parallel for simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    117   for (I k = 0; k < argc; ++k) ++k;
    118   #pragma omp target parallel for simd aligned () // expected-error {{expected expression}}
    119   for (I k = 0; k < argc; ++k) ++k;
    120   #pragma omp target parallel for simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
    121   for (I k = 0; k < argc; ++k) ++k;
    122   #pragma omp target parallel for simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    123   for (I k = 0; k < argc; ++k) ++k;
    124   #pragma omp target parallel for simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
    125   for (I k = 0; k < argc; ++k) ++k;
    126   #pragma omp target parallel for simd aligned (argc : 5) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
    127   for (I k = 0; k < argc; ++k) ++k;
    128   #pragma omp target parallel for simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
    129   for (I k = 0; k < argc; ++k) ++k;
    130   #pragma omp target parallel for simd aligned (argv[1]) // expected-error {{expected variable name}}
    131   for (I k = 0; k < argc; ++k) ++k;
    132   #pragma omp target parallel for simd aligned(e, g)
    133   for (I k = 0; k < argc; ++k) ++k;
    134   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
    135   #pragma omp target parallel for simd aligned(h)
    136   for (I k = 0; k < argc; ++k) ++k;
    137   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
    138   #pragma omp target parallel for simd aligned(i)
    139   for (I k = 0; k < argc; ++k) ++k;
    140   #pragma omp parallel
    141   {
    142     int *v = 0;
    143     I i;
    144     #pragma omp target parallel for simd aligned(v:16)
    145     for (I k = 0; k < argc; ++k) { i = k; v += 2; }
    146   }
    147   float *f;
    148   #pragma omp target parallel for simd aligned(f)
    149   for (I k = 0; k < argc; ++k) ++k;
    150   int v = 0;
    151   // expected-note@+2 {{initializer of 'j' is not a constant expression}}
    152   // expected-error@+1 {{expression is not an integral constant expression}}
    153   #pragma omp target parallel for simd aligned(f:j)
    154   for (I k = 0; k < argc; ++k) { ++k; v += j; }
    155   #pragma omp target parallel for simd aligned(f)
    156   for (I k = 0; k < argc; ++k) ++k;
    157   return 0;
    158 }
    159 
    160 // expected-note@+1 2 {{'argc' defined here}}
    161 int main(int argc, char **argv) {
    162   double darr[100];
    163   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
    164   test_template<-4>(darr, 4);
    165   test_warn<4>(); // ok
    166   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
    167   test_warn<0>();
    168 
    169   int i;
    170   int &j = i;
    171   #pragma omp target parallel for simd aligned // expected-error {{expected '(' after 'aligned'}}
    172   for (int k = 0; k < argc; ++k) ++k;
    173   #pragma omp target parallel for simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    174   for (int k = 0; k < argc; ++k) ++k;
    175   #pragma omp target parallel for simd aligned () // expected-error {{expected expression}}
    176   for (int k = 0; k < argc; ++k) ++k;
    177   #pragma omp target parallel for simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
    178   for (int k = 0; k < argc; ++k) ++k;
    179   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
    180   #pragma omp target parallel for simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
    181   for (int k = 0; k < argc; ++k) ++k;
    182   #pragma omp target parallel for simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
    183   for (int k = 0; k < argc; ++k) ++k;
    184   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
    185   #pragma omp target parallel for simd aligned (argc)
    186   for (int k = 0; k < argc; ++k) ++k;
    187   #pragma omp target parallel for simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
    188   for (int k = 0; k < argc; ++k) ++k;
    189   // expected-error@+2 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}}
    190   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}}
    191   #pragma omp target parallel for simd aligned (a, b)
    192   for (int k = 0; k < argc; ++k) ++k;
    193   #pragma omp target parallel for simd aligned (argv[1]) // expected-error {{expected variable name}}
    194   for (int k = 0; k < argc; ++k) ++k;
    195   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
    196   #pragma omp target parallel for simd aligned(h)
    197   for (int k = 0; k < argc; ++k) ++k;
    198   int *pargc = &argc;
    199   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
    200   foomain<int*,char>(pargc,argv);
    201   return 0;
    202 }
    203 
    204