| 1 | // PowerPC supports VLAs. |
| 2 | // 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 |
| 3 | // 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 |
| 4 | |
| 5 | // 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 |
| 6 | // 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 |
| 7 | |
| 8 | // Nvidia GPUs don't support VLAs. |
| 9 | // 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 |
| 10 | // 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 |
| 11 | |
| 12 | // 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 |
| 13 | |
| 14 | #ifndef NO_VLA |
| 15 | // expected-no-diagnostics |
| 16 | #endif |
| 17 | |
| 18 | #pragma omp declare target |
| 19 | void declare(int arg) { |
| 20 | int a[2]; |
| 21 | #ifdef NO_VLA |
| 22 | // expected-error@+2 {{variable length arrays are not supported for the current target}} |
| 23 | #endif |
| 24 | int vla[arg]; |
| 25 | } |
| 26 | |
| 27 | void declare_parallel_reduction(int arg) { |
| 28 | int a[2]; |
| 29 | |
| 30 | #pragma omp parallel reduction(+: a) |
| 31 | { } |
| 32 | |
| 33 | #pragma omp parallel reduction(+: a[0:2]) |
| 34 | { } |
| 35 | |
| 36 | #ifdef NO_VLA |
| 37 | // expected-error@+3 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 38 | // expected-note@+2 {{variable length arrays are not supported for the current target}} |
| 39 | #endif |
| 40 | #pragma omp parallel reduction(+: a[0:arg]) |
| 41 | { } |
| 42 | } |
| 43 | #pragma omp end declare target |
| 44 | |
| 45 | template <typename T> |
| 46 | void target_template(int arg) { |
| 47 | #pragma omp target |
| 48 | { |
| 49 | #ifdef NO_VLA |
| 50 | // expected-error@+2 2 {{variable length arrays are not supported for the current target}} |
| 51 | #endif |
| 52 | T vla[arg]; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | void target(int arg) { |
| 57 | #pragma omp target |
| 58 | { |
| 59 | #ifdef NO_VLA |
| 60 | // expected-error@+2 {{variable length arrays are not supported for the current target}} |
| 61 | #endif |
| 62 | int vla[arg]; |
| 63 | } |
| 64 | |
| 65 | #pragma omp target |
| 66 | { |
| 67 | #pragma omp parallel |
| 68 | { |
| 69 | #ifdef NO_VLA |
| 70 | // expected-error@+2 {{variable length arrays are not supported for the current target}} |
| 71 | #endif |
| 72 | int vla[arg]; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | #ifdef NO_VLA |
| 77 | // expected-note@+2 {{in instantiation of function template specialization 'target_template<long>' requested here}} |
| 78 | #endif |
| 79 | target_template<long>(arg); |
| 80 | } |
| 81 | |
| 82 | void teams_reduction(int arg) { |
| 83 | int a[2]; |
| 84 | int vla[arg]; |
| 85 | |
| 86 | #pragma omp target map(a) |
| 87 | #pragma omp teams reduction(+: a) |
| 88 | { } |
| 89 | |
| 90 | #ifdef NO_VLA |
| 91 | // expected-error@+4 {{cannot generate code for reduction on variable length array}} |
| 92 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 93 | #endif |
| 94 | #pragma omp target map(vla) |
| 95 | #pragma omp teams reduction(+: vla) |
| 96 | { } |
| 97 | |
| 98 | #pragma omp target map(a[0:2]) |
| 99 | #pragma omp teams reduction(+: a[0:2]) |
| 100 | { } |
| 101 | |
| 102 | #pragma omp target map(vla[0:2]) |
| 103 | #pragma omp teams reduction(+: vla[0:2]) |
| 104 | { } |
| 105 | |
| 106 | #ifdef NO_VLA |
| 107 | // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 108 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 109 | #endif |
| 110 | #pragma omp target map(a[0:arg]) |
| 111 | #pragma omp teams reduction(+: a[0:arg]) |
| 112 | { } |
| 113 | |
| 114 | #ifdef NO_VLA |
| 115 | // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 116 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 117 | #endif |
| 118 | #pragma omp target map(vla[0:arg]) |
| 119 | #pragma omp teams reduction(+: vla[0:arg]) |
| 120 | { } |
| 121 | } |
| 122 | |
| 123 | void parallel_reduction(int arg) { |
| 124 | int a[2]; |
| 125 | int vla[arg]; |
| 126 | |
| 127 | #pragma omp target map(a) |
| 128 | #pragma omp parallel reduction(+: a) |
| 129 | { } |
| 130 | |
| 131 | #ifdef NO_VLA |
| 132 | // expected-error@+4 {{cannot generate code for reduction on variable length array}} |
| 133 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 134 | #endif |
| 135 | #pragma omp target map(vla) |
| 136 | #pragma omp parallel reduction(+: vla) |
| 137 | { } |
| 138 | |
| 139 | #pragma omp target map(a[0:2]) |
| 140 | #pragma omp parallel reduction(+: a[0:2]) |
| 141 | { } |
| 142 | |
| 143 | #pragma omp target map(vla[0:2]) |
| 144 | #pragma omp parallel reduction(+: vla[0:2]) |
| 145 | { } |
| 146 | |
| 147 | #ifdef NO_VLA |
| 148 | // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 149 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 150 | #endif |
| 151 | #pragma omp target map(a[0:arg]) |
| 152 | #pragma omp parallel reduction(+: a[0:arg]) |
| 153 | { } |
| 154 | |
| 155 | #ifdef NO_VLA |
| 156 | // expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 157 | // expected-note@+3 {{variable length arrays are not supported for the current target}} |
| 158 | #endif |
| 159 | #pragma omp target map(vla[0:arg]) |
| 160 | #pragma omp parallel reduction(+: vla[0:arg]) |
| 161 | { } |
| 162 | } |
| 163 | |
| 164 | void for_reduction(int arg) { |
| 165 | int a[2]; |
| 166 | int vla[arg]; |
| 167 | |
| 168 | #pragma omp target map(a) |
| 169 | #pragma omp parallel |
| 170 | #pragma omp for reduction(+: a) |
| 171 | for (int i = 0; i < arg; i++) ; |
| 172 | |
| 173 | #ifdef NO_VLA |
| 174 | // expected-error@+5 {{cannot generate code for reduction on variable length array}} |
| 175 | // expected-note@+4 {{variable length arrays are not supported for the current target}} |
| 176 | #endif |
| 177 | #pragma omp target map(vla) |
| 178 | #pragma omp parallel |
| 179 | #pragma omp for reduction(+: vla) |
| 180 | for (int i = 0; i < arg; i++) ; |
| 181 | |
| 182 | #pragma omp target map(a[0:2]) |
| 183 | #pragma omp parallel |
| 184 | #pragma omp for reduction(+: a[0:2]) |
| 185 | for (int i = 0; i < arg; i++) ; |
| 186 | |
| 187 | #pragma omp target map(vla[0:2]) |
| 188 | #pragma omp parallel |
| 189 | #pragma omp for reduction(+: vla[0:2]) |
| 190 | for (int i = 0; i < arg; i++) ; |
| 191 | |
| 192 | #ifdef NO_VLA |
| 193 | // expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 194 | // expected-note@+4 {{variable length arrays are not supported for the current target}} |
| 195 | #endif |
| 196 | #pragma omp target map(a[0:arg]) |
| 197 | #pragma omp parallel |
| 198 | #pragma omp for reduction(+: a[0:arg]) |
| 199 | for (int i = 0; i < arg; i++) ; |
| 200 | |
| 201 | #ifdef NO_VLA |
| 202 | // expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}} |
| 203 | // expected-note@+4 {{variable length arrays are not supported for the current target}} |
| 204 | #endif |
| 205 | #pragma omp target map(vla[0:arg]) |
| 206 | #pragma omp parallel |
| 207 | #pragma omp for reduction(+: vla[0:arg]) |
| 208 | for (int i = 0; i < arg; i++) ; |
| 209 | } |
| 210 | |