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8526031c5b
Fixed the processing of the unsupported VLAs in the reduction clauses. Used targetDiag if the diagnostics can be delayed and emit it immediately if the target does not support VLAs and we're parsing target directive with the reduction clauses. llvm-svn: 365821
216 lines
6.9 KiB
C++
216 lines
6.9 KiB
C++
// PowerPC supports VLAs.
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// 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
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// 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
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// 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
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// 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
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// Nvidia GPUs don't support VLAs.
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// 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
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// 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
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// 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
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#ifndef NO_VLA
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// expected-no-diagnostics
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#endif
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#pragma omp declare target
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void declare(int arg) {
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int a[2];
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#ifdef NO_VLA
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// expected-error@+2 {{variable length arrays are not supported for the current target}}
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#endif
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int vla[arg];
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}
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void declare_parallel_reduction(int arg) {
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int a[2];
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#pragma omp parallel reduction(+: a)
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{ }
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#pragma omp parallel reduction(+: a[0:2])
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{ }
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#ifdef NO_VLA
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// expected-error@+3 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+2 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp parallel reduction(+: a[0:arg])
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{ }
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}
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#pragma omp end declare target
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template <typename T>
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void target_template(int arg) {
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#pragma omp target
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{
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#ifdef NO_VLA
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// expected-error@+2 2 {{variable length arrays are not supported for the current target}}
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#endif
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T vla[arg];
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}
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}
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void target(int arg) {
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#pragma omp target
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{
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#ifdef NO_VLA
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// expected-error@+2 {{variable length arrays are not supported for the current target}}
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#endif
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int vla[arg];
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}
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#pragma omp target
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{
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#pragma omp parallel
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{
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#ifdef NO_VLA
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// expected-error@+2 {{variable length arrays are not supported for the current target}}
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#endif
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int vla[arg];
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}
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}
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#ifdef NO_VLA
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// expected-note@+2 {{in instantiation of function template specialization 'target_template<long>' requested here}}
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#endif
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target_template<long>(arg);
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}
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void teams_reduction(int arg) {
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int a[2];
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int vla[arg];
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#pragma omp target map(a)
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#pragma omp teams reduction(+: a)
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla)
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#pragma omp teams reduction(+: vla)
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{ }
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#pragma omp target map(a[0:2])
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#pragma omp teams reduction(+: a[0:2])
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{ }
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#pragma omp target map(vla[0:2])
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#pragma omp teams reduction(+: vla[0:2])
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(a[0:arg])
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#pragma omp teams reduction(+: a[0:arg])
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla[0:arg])
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#pragma omp teams reduction(+: vla[0:arg])
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{ }
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}
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void parallel_reduction(int arg) {
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int a[2];
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int vla[arg];
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#pragma omp target map(a)
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#pragma omp parallel reduction(+: a)
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla)
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#pragma omp parallel reduction(+: vla)
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{ }
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#pragma omp target map(a[0:2])
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#pragma omp parallel reduction(+: a[0:2])
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{ }
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#pragma omp target map(vla[0:2])
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#pragma omp parallel reduction(+: vla[0:2])
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(a[0:arg])
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#pragma omp parallel reduction(+: a[0:arg])
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{ }
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#ifdef NO_VLA
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// expected-error@+4 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+3 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla[0:arg])
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#pragma omp parallel reduction(+: vla[0:arg])
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{ }
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}
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void for_reduction(int arg) {
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int a[2];
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int vla[arg];
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#pragma omp target map(a)
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#pragma omp parallel
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#pragma omp for reduction(+: a)
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for (int i = 0; i < arg; i++) ;
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#ifdef NO_VLA
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// expected-error@+5 {{cannot generate code for reduction on variable length array}}
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// expected-note@+4 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla)
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#pragma omp parallel
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#pragma omp for reduction(+: vla)
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for (int i = 0; i < arg; i++) ;
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#pragma omp target map(a[0:2])
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#pragma omp parallel
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#pragma omp for reduction(+: a[0:2])
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for (int i = 0; i < arg; i++) ;
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#pragma omp target map(vla[0:2])
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#pragma omp parallel
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#pragma omp for reduction(+: vla[0:2])
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for (int i = 0; i < arg; i++) ;
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#ifdef NO_VLA
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// expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+4 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(a[0:arg])
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#pragma omp parallel
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#pragma omp for reduction(+: a[0:arg])
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for (int i = 0; i < arg; i++) ;
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#ifdef NO_VLA
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// expected-error@+5 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+4 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target map(vla[0:arg])
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#pragma omp parallel
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#pragma omp for reduction(+: vla[0:arg])
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for (int i = 0; i < arg; i++) ;
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#ifdef NO_VLA
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// expected-error@+3 {{cannot generate code for reduction on array section, which requires a variable length array}}
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// expected-note@+2 {{variable length arrays are not supported for the current target}}
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#endif
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#pragma omp target reduction(+ : vla[0:arg])
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for (int i = 0; i < arg; i++) ;
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}
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