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// 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 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++) ;
}
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