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// clang-format off
// RUN: %clang++ %flags -foffload-via-llvm --offload-arch=native %s -o %t
// RUN: %t | %fcheck-generic
// RUN: %clang++ %flags -foffload-via-llvm --offload-arch=native %s -o %t -fopenmp
// RUN: %t | %fcheck-generic
// clang-format on
// REQUIRES: gpu
//
// FIXME: https://github.com/llvm/llvm-project/issues/161265
// UNSUPPORTED: gpu
#include <stdio.h>
extern "C" {
void *llvm_omp_target_alloc_shared(size_t Size, int DeviceNum);
void llvm_omp_target_free_shared(void *DevicePtr, int DeviceNum);
}
__global__ void square(int *Dst, short Q, int *Src, short P) {
*Dst = (Src[0] + Src[1]) * (Q + P);
Src[0] = Q;
Src[1] = P;
}
int main(int argc, char **argv) {
int DevNo = 0;
int *Ptr = reinterpret_cast<int *>(llvm_omp_target_alloc_shared(4, DevNo));
int *Src = reinterpret_cast<int *>(llvm_omp_target_alloc_shared(8, DevNo));
*Ptr = 7;
Src[0] = -2;
Src[1] = 8;
printf("Ptr %p, *Ptr: %i\n", Ptr, *Ptr);
// CHECK: Ptr [[Ptr:0x.*]], *Ptr: 7
printf("Src: %i : %i\n", Src[0], Src[1]);
// CHECK: Src: -2 : 8
square<<<1, 1>>>(Ptr, 3, Src, 4);
printf("Ptr %p, *Ptr: %i\n", Ptr, *Ptr);
// CHECK: Ptr [[Ptr]], *Ptr: 42
printf("Src: %i : %i\n", Src[0], Src[1]);
// CHECK: Src: 3 : 4
llvm_omp_target_free_shared(Ptr, DevNo);
}
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