reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
// PowerPC supports VLAs.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-unknown-unknown -emit-llvm-bc %s -o %t-ppc-host-ppc.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host-ppc.bc -o %t-ppc-device.ll

// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-unknown-unknown -emit-llvm-bc %s -o %t-ppc-host-ppc.bc
// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host-ppc.bc -o %t-ppc-device.ll

// Nvidia GPUs don't support VLAs.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host-nvptx.bc
// RUN: %clang_cc1 -verify -DNO_VLA -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host-nvptx.bc -o %t-nvptx-device.ll

// RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host-nvptx.bc

#ifndef NO_VLA
// expected-no-diagnostics
#endif

#pragma omp declare target
void declare(int arg) {
  int a[2];
#ifdef NO_VLA
  // expected-error@+2 {{variable length arrays are not supported for the current target}}
#endif
  int vla[arg];
}

void declare_parallel_reduction(int arg) {
  int a[2];

#pragma omp parallel reduction(+: a)
  { }

#pragma omp parallel reduction(+: a[0:2])
  { }

#ifdef NO_VLA
  // expected-error@+3 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+2 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp parallel reduction(+: a[0:arg])
  { }
}
#pragma omp end declare target

template <typename T>
void target_template(int arg) {
#pragma omp target
  {
#ifdef NO_VLA
    // expected-error@+2 {{variable length arrays are not supported for the current target}}
#endif
    T vla[arg];
  }
}

void target(int arg) {
#pragma omp target
  {
#ifdef NO_VLA
    // expected-error@+2 {{variable length arrays are not supported for the current target}}
#endif
    int vla[arg];
  }

#pragma omp target
  {
#pragma omp parallel
    {
#ifdef NO_VLA
    // expected-error@+2 {{variable length arrays are not supported for the current target}}
#endif
      int vla[arg];
    }
  }

#ifdef NO_VLA
    // expected-note@+2 {{in instantiation of function template specialization 'target_template<long>' requested here}}
#endif
  target_template<long>(arg);
}

void teams_reduction(int arg) {
  int a[2];
  int vla[arg];

#pragma omp target map(a)
#pragma omp teams reduction(+: a)
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla)
#pragma omp teams reduction(+: vla)
  { }

#pragma omp target map(a[0:2])
#pragma omp teams reduction(+: a[0:2])
  { }

#pragma omp target map(vla[0:2])
#pragma omp teams reduction(+: vla[0:2])
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(a[0:arg])
#pragma omp teams reduction(+: a[0:arg])
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla[0:arg])
#pragma omp teams reduction(+: vla[0:arg])
  { }
}

void parallel_reduction(int arg) {
  int a[2];
  int vla[arg];

#pragma omp target map(a)
#pragma omp parallel reduction(+: a)
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla)
#pragma omp parallel reduction(+: vla)
  { }

#pragma omp target map(a[0:2])
#pragma omp parallel reduction(+: a[0:2])
  { }

#pragma omp target map(vla[0:2])
#pragma omp parallel reduction(+: vla[0:2])
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(a[0:arg])
#pragma omp parallel reduction(+: a[0:arg])
  { }

#ifdef NO_VLA
  // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+3 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla[0:arg])
#pragma omp parallel reduction(+: vla[0:arg])
  { }
}

void for_reduction(int arg) {
  int a[2];
  int vla[arg];

#pragma omp target map(a)
#pragma omp parallel
#pragma omp for reduction(+: a)
  for (int i = 0; i < arg; i++) ;

#ifdef NO_VLA
  // expected-error@+5 {{cannot generate code for reduction on variable length array}}
  // expected-note@+4 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla)
#pragma omp parallel
#pragma omp for reduction(+: vla)
  for (int i = 0; i < arg; i++) ;

#pragma omp target map(a[0:2])
#pragma omp parallel
#pragma omp for reduction(+: a[0:2])
  for (int i = 0; i < arg; i++) ;

#pragma omp target map(vla[0:2])
#pragma omp parallel
#pragma omp for reduction(+: vla[0:2])
  for (int i = 0; i < arg; i++) ;

#ifdef NO_VLA
  // expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+4 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(a[0:arg])
#pragma omp parallel
#pragma omp for reduction(+: a[0:arg])
  for (int i = 0; i < arg; i++) ;

#ifdef NO_VLA
  // expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+4 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target map(vla[0:arg])
#pragma omp parallel
#pragma omp for reduction(+: vla[0:arg])
  for (int i = 0; i < arg; i++) ;
#ifdef NO_VLA
  // expected-error@+3 {{cannot generate code for reduction on array section, which requires a variable length array}}
  // expected-note@+2 {{variable length arrays are not supported for the current target}}
#endif
#pragma omp target reduction(+ : vla[0:arg])
  for (int i = 0; i < arg; i++) ;
}