clang/test/OpenMP/target_parallel_for_simd_aligned_messages.cpp

   1 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 struct B {
   6   static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
   7   static constexpr int bfoo() { return 8; }
   8 };
   9 namespace X {
  10   B x; // expected-note {{'x' defined here}}
  11 };
  12 constexpr int bfoo() { return 4; }
  13
  14 int **z;
  15 const int C1 = 1;
  16 const int C2 = 2;
  17 void test_aligned_colons(int *&rp)
  18 {
  19   int *B = 0;
  20   #pragma omp target parallel for simd aligned(B:bfoo())
  21   for (int i = 0; i < 10; ++i) ;
  22   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
  23   #pragma omp target parallel for simd aligned(B::ib:B:bfoo())
  24   for (int i = 0; i < 10; ++i) ;
  25   #pragma omp target parallel for simd aligned(B:B::bfoo())
  26   for (int i = 0; i < 10; ++i) ;
  27   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
  28   #pragma omp target parallel for simd aligned(z:B:bfoo())
  29   for (int i = 0; i < 10; ++i) ;
  30   #pragma omp target parallel for simd aligned(B:B::bfoo())
  31   for (int i = 0; i < 10; ++i) ;
  32   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}}
  33   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
  34   #pragma omp target parallel for simd aligned(X::x : ::z)
  35   for (int i = 0; i < 10; ++i) ;
  36   // expected-error@+1 {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
  37   #pragma omp target parallel for simd aligned(B,rp,::z: X::x)
  38   for (int i = 0; i < 10; ++i) ;
  39   #pragma omp target parallel for simd aligned(::z)
  40   for (int i = 0; i < 10; ++i) ;
  41   // expected-error@+1 {{expected variable name}}
  42   #pragma omp target parallel for simd aligned(B::bfoo())
  43   for (int i = 0; i < 10; ++i) ;
  44   // expected-warning@+1 {{aligned clause will be ignored because the requested alignment is not a power of 2}}
  45   #pragma omp target parallel for simd aligned(B::ib,B:C1+C2)
  46   for (int i = 0; i < 10; ++i) ;
  47 }
  48
  49 // expected-note@+1 {{'num' defined here}}
  50 template<int L, class T, class N> T test_template(T* arr, N num) {
  51   N i;
  52   T sum = (T)0;
  53   T ind2 = - num * L;
  54   // Negative number is passed as L.
  55   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
  56   #pragma omp target parallel for simd aligned(arr:L)
  57   for (i = 0; i < num; ++i) {
  58     T cur = arr[(int)ind2];
  59     ind2 += L;
  60     sum += cur;
  61   }
  62   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
  63   #pragma omp target parallel for simd aligned(num:4)
  64   for (i = 0; i < num; ++i);
  65   return T();
  66 }
  67
  68 template<int LEN> int test_warn() {
  69   int *ind2 = 0;
  70   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
  71   #pragma omp target parallel for simd aligned(ind2:LEN)
  72   for (int i = 0; i < 100; i++) {
  73     ind2 += LEN;
  74   }
  75   return 0;
  76 }
  77
  78 struct S1; // expected-note 2 {{declared here}}
  79 extern S1 a; // expected-note {{'a' declared here}}
  80 class S2 {
  81   mutable int a;
  82 public:
  83   S2():a(0) { }
  84 };
  85 const S2 b; // expected-note 1 {{'b' defined here}}
  86 const S2 ba[5];
  87 class S3 {
  88   int a;
  89 public:
  90   S3():a(0) { }
  91 };
  92 const S3 ca[5];
  93 class S4 {
  94   int a;
  95   S4();
  96 public:
  97   S4(int v):a(v) { }
  98 };
  99 class S5 {
 100   int a;
 101   S5():a(0) {}
 102 public:
 103   S5(int v):a(v) { }
 104 };
 105
 106 S3 h; // expected-note 2 {{'h' defined here}}
 107 #pragma omp threadprivate(h)
 108
 109 template<class I, class C> int foomain(I argc, C **argv) {
 110   I e(argc);
 111   I g(argc);
 112   int i; // expected-note {{'i' defined here}}
 113   // expected-note@+1 {{declared here}}
 114   int &j = i;
 115   #pragma omp target parallel for simd aligned // expected-error {{expected '(' after 'aligned'}}
 116   for (I k = 0; k < argc; ++k) ++k;
 117   #pragma omp target parallel for simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 118   for (I k = 0; k < argc; ++k) ++k;
 119   #pragma omp target parallel for simd aligned () // expected-error {{expected expression}}
 120   for (I k = 0; k < argc; ++k) ++k;
 121   #pragma omp target parallel for simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 122   for (I k = 0; k < argc; ++k) ++k;
 123   #pragma omp target parallel for simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 124   for (I k = 0; k < argc; ++k) ++k;
 125 // FIXME: Should argc really be a pointer?
 126   #pragma omp target parallel for simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 127   for (I k = 0; k < argc; ++k) ++k;
 128   #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}}
 129   for (I k = 0; k < argc; ++k) ++k;
 130   #pragma omp target parallel for simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
 131   for (I k = 0; k < argc; ++k) ++k;
 132   #pragma omp target parallel for simd aligned (argv[1]) // expected-error {{expected variable name}}
 133   for (I k = 0; k < argc; ++k) ++k;
 134   #pragma omp target parallel for simd aligned(e, g)
 135   for (I k = 0; k < argc; ++k) ++k;
 136   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
 137   #pragma omp target parallel for simd aligned(h)
 138   for (I k = 0; k < argc; ++k) ++k;
 139   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 140   #pragma omp target parallel for simd aligned(i)
 141   for (I k = 0; k < argc; ++k) ++k;
 142   #pragma omp parallel
 143   {
 144     int *v = 0;
 145     I i;
 146     #pragma omp target parallel for simd aligned(v:16)
 147     for (I k = 0; k < argc; ++k) { i = k; v += 2; }
 148   }
 149   float *f;
 150   #pragma omp target parallel for simd aligned(f)
 151   for (I k = 0; k < argc; ++k) ++k;
 152   int v = 0;
 153   // expected-note@+2 {{initializer of 'j' is not a constant expression}}
 154   // expected-error@+1 {{integral constant expression}}
 155   #pragma omp target parallel for simd aligned(f:j)
 156   for (I k = 0; k < argc; ++k) { ++k; v += j; }
 157   #pragma omp target parallel for simd aligned(f)
 158   for (I k = 0; k < argc; ++k) ++k;
 159   return 0;
 160 }
 161
 162 // expected-note@+1 2 {{'argc' defined here}}
 163 int main(int argc, char **argv) {
 164   double darr[100];
 165   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 166   test_template<-4>(darr, 4);
 167   test_warn<4>(); // ok
 168   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 169   test_warn<0>();
 170
 171   int i;
 172   int &j = i;
 173   #pragma omp target parallel for simd aligned // expected-error {{expected '(' after 'aligned'}}
 174   for (int k = 0; k < argc; ++k) ++k;
 175   #pragma omp target parallel for simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 176   for (int k = 0; k < argc; ++k) ++k;
 177   #pragma omp target parallel for simd aligned () // expected-error {{expected expression}}
 178   for (int k = 0; k < argc; ++k) ++k;
 179   #pragma omp target parallel for simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
 180   for (int k = 0; k < argc; ++k) ++k;
 181   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 182   #pragma omp target parallel for simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 183   for (int k = 0; k < argc; ++k) ++k;
 184   #pragma omp target parallel for simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 185   for (int k = 0; k < argc; ++k) ++k;
 186   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 187   #pragma omp target parallel for simd aligned (argc)
 188   for (int k = 0; k < argc; ++k) ++k;
 189   #pragma omp target parallel for simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
 190   for (int k = 0; k < argc; ++k) ++k;
 191   // expected-error@+2 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}}
 192   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}}
 193   #pragma omp target parallel for simd aligned (a, b)
 194   for (int k = 0; k < argc; ++k) ++k;
 195   #pragma omp target parallel for simd aligned (argv[1]) // expected-error {{expected variable name}}
 196   for (int k = 0; k < argc; ++k) ++k;
 197   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
 198   #pragma omp target parallel for simd aligned(h)
 199   for (int k = 0; k < argc; ++k) ++k;
 200   int *pargc = &argc;
 201   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
 202   foomain<int*,char>(pargc,argv);
 203   return 0;
 204 }
 205