clang/test/OpenMP/simd_aligned_messages.cpp

   1 // RUN: %clang_cc1 -x c++ -std=c++11 -verify=expected,expectedw -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized -Wno-openmp-clauses
   3 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized -Wno-openmp
   4
   5 // RUN: %clang_cc1 -x c++ -std=c++11 -verify=expected,expectedw -fopenmp-simd %s -Wuninitialized
   6
   7 struct B {
   8   static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
   9   static constexpr int bfoo() { return 8; }
  10 };
  11 namespace X {
  12   B x; // expected-note {{'x' defined here}}
  13 };
  14 constexpr int bfoo() { return 4; }
  15
  16 int **z;
  17 const int C1 = 1;
  18 const int C2 = 2;
  19 void test_aligned_colons(int *&rp)
  20 {
  21   int *B = 0;
  22   #pragma omp simd aligned(B:bfoo())
  23   for (int i = 0; i < 10; ++i) ;
  24   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
  25   #pragma omp simd aligned(B::ib:B:bfoo())
  26   for (int i = 0; i < 10; ++i) ;
  27   #pragma omp simd aligned(B:B::bfoo())
  28   for (int i = 0; i < 10; ++i) ;
  29   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
  30   #pragma omp simd aligned(z:B:bfoo())
  31   for (int i = 0; i < 10; ++i) ;
  32   #pragma omp simd aligned(B:B::bfoo())
  33   for (int i = 0; i < 10; ++i) ;
  34   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}}
  35   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
  36   #pragma omp simd aligned(X::x : ::z)
  37   for (int i = 0; i < 10; ++i) ;
  38   // expected-error@+1 {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
  39   #pragma omp simd aligned(B,rp,::z: X::x)
  40   for (int i = 0; i < 10; ++i) ;
  41   #pragma omp simd aligned(::z)
  42   for (int i = 0; i < 10; ++i) ;
  43   // expected-error@+1 {{expected variable name}}
  44   #pragma omp simd aligned(B::bfoo())
  45   for (int i = 0; i < 10; ++i) ;
  46   // expectedw-warning@+1 {{aligned clause will be ignored because the requested alignment is not a power of 2}}
  47   #pragma omp simd aligned(B::ib,B:C1+C2)
  48   for (int i = 0; i < 10; ++i) ;
  49 }
  50
  51 // expected-note@+1 {{'num' defined here}}
  52 template<int L, class T, class N> T test_template(T* arr, N num) {
  53   N i;
  54   T sum = (T)0;
  55   T ind2 = - num * L;
  56   // Negative number is passed as L.
  57   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
  58   #pragma omp simd aligned(arr:L)
  59   for (i = 0; i < num; ++i) {
  60     T cur = arr[(int)ind2];
  61     ind2 += L;
  62     sum += cur;
  63   }
  64   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
  65   #pragma omp simd aligned(num:4)
  66   for (i = 0; i < num; ++i);
  67   return T();
  68 }
  69
  70 template<int LEN> int test_warn() {
  71   int *ind2 = 0;
  72   // expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
  73   #pragma omp simd aligned(ind2:LEN)
  74   for (int i = 0; i < 100; i++) {
  75     ind2 += LEN;
  76   }
  77   return 0;
  78 }
  79
  80 struct S1; // expected-note 2 {{declared here}}
  81 extern S1 a; // expected-note {{'a' declared here}}
  82 class S2 {
  83   mutable int a;
  84 public:
  85   S2():a(0) { }
  86 };
  87 const S2 b; // expected-note 1 {{'b' defined here}}
  88 const S2 ba[5];
  89 class S3 {
  90   int a;
  91 public:
  92   S3():a(0) { }
  93 };
  94 const S3 ca[5];
  95 class S4 {
  96   int a;
  97   S4();
  98 public:
  99   S4(int v):a(v) { }
 100 };
 101 class S5 {
 102   int a;
 103   S5():a(0) {}
 104 public:
 105   S5(int v):a(v) { }
 106 };
 107
 108 S3 h; // expected-note 2 {{'h' defined here}}
 109 #pragma omp threadprivate(h)
 110
 111 template<class I, class C> int foomain(I argc, C **argv) {
 112   I e(argc);
 113   I g(argc);
 114   int i; // expected-note {{'i' defined here}}
 115   // expected-note@+1 {{declared here}}
 116   int &j = i;
 117   #pragma omp simd aligned // expected-error {{expected '(' after 'aligned'}}
 118   for (I k = 0; k < argc; ++k) ++k;
 119   #pragma omp simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 120   for (I k = 0; k < argc; ++k) ++k;
 121   #pragma omp simd aligned () // expected-error {{expected expression}}
 122   for (I k = 0; k < argc; ++k) ++k;
 123   #pragma omp simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 124   for (I k = 0; k < argc; ++k) ++k;
 125   #pragma omp simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 126   for (I k = 0; k < argc; ++k) ++k;
 127 // FIXME: Should argc really be a pointer?
 128   #pragma omp simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 129   for (I k = 0; k < argc; ++k) ++k;
 130   #pragma omp simd aligned (argc : 5) // expectedw-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
 131   for (I k = 0; k < argc; ++k) ++k;
 132   #pragma omp simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
 133   for (I k = 0; k < argc; ++k) ++k;
 134   #pragma omp simd aligned (argv[1]) // expected-error {{expected variable name}}
 135   for (I k = 0; k < argc; ++k) ++k;
 136   #pragma omp simd aligned(e, g)
 137   for (I k = 0; k < argc; ++k) ++k;
 138   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
 139   #pragma omp simd aligned(h)
 140   for (I k = 0; k < argc; ++k) ++k;
 141   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 142   #pragma omp simd aligned(i)
 143   for (I k = 0; k < argc; ++k) ++k;
 144   #pragma omp parallel
 145   {
 146     int *v = 0;
 147     I i;
 148     #pragma omp simd aligned(v:16)
 149     for (I k = 0; k < argc; ++k) { i = k; v += 2; }
 150   }
 151   float *f;
 152   #pragma omp simd aligned(f)
 153   for (I k = 0; k < argc; ++k) ++k;
 154   int v = 0;
 155   // expected-note@+2 {{initializer of 'j' is not a constant expression}}
 156   // expected-error@+1 {{integral constant expression}}
 157   #pragma omp simd aligned(f:j)
 158   for (I k = 0; k < argc; ++k) { ++k; v += j; }
 159   #pragma omp simd aligned(f)
 160   for (I k = 0; k < argc; ++k) ++k;
 161   return 0;
 162 }
 163
 164 // expected-note@+1 2 {{'argc' defined here}}
 165 int main(int argc, char **argv) {
 166   double darr[100];
 167   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 168   test_template<-4>(darr, 4);
 169   test_warn<4>(); // ok
 170   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 171   test_warn<0>();
 172
 173   int i;
 174   int &j = i;
 175   #pragma omp simd aligned // expected-error {{expected '(' after 'aligned'}}
 176   for (int k = 0; k < argc; ++k) ++k;
 177   #pragma omp simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 178   for (int k = 0; k < argc; ++k) ++k;
 179   #pragma omp simd aligned () // expected-error {{expected expression}}
 180   for (int k = 0; k < argc; ++k) ++k;
 181   #pragma omp simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
 182   for (int k = 0; k < argc; ++k) ++k;
 183   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 184   #pragma omp simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 185   for (int k = 0; k < argc; ++k) ++k;
 186   #pragma omp simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 187   for (int k = 0; k < argc; ++k) ++k;
 188   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
 189   #pragma omp simd aligned (argc)
 190   for (int k = 0; k < argc; ++k) ++k;
 191   #pragma omp simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
 192   for (int k = 0; k < argc; ++k) ++k;
 193   // expected-error@+2 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}}
 194   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}}
 195   #pragma omp simd aligned (a, b)
 196   for (int k = 0; k < argc; ++k) ++k;
 197   #pragma omp simd aligned (argv[1]) // expected-error {{expected variable name}}
 198   for (int k = 0; k < argc; ++k) ++k;
 199   // expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
 200   #pragma omp simd aligned(h)
 201   for (int k = 0; k < argc; ++k) ++k;
 202   int *pargc = &argc;
 203   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
 204   foomain<int*,char>(pargc,argv);
 205   return 0;
 206 }
 207