| 1 | // clang-format off |
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| 2 | // RUN: %libomptarget-compilexx-generic |
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| 3 | // RUN: env LIBOMPTARGET_INFO=32 %libomptarget-run-generic 2>&1 | %fcheck-generic --check-prefix=NO-USM |
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| 4 | // |
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| 5 | // RUN: %libomptarget-compilexxx-generic-force-usm |
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| 6 | // RUN: env HSA_XNACK=1 LIBOMPTARGET_INFO=32 \ |
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| 7 | // RUN: %libomptarget-run-generic 2>&1 | %fcheck-generic --check-prefix=FORCE-USM |
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| 8 | // |
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| 9 | // REQUIRES: unified_shared_memory |
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| 10 | // |
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| 11 | // UNSUPPORTED: nvptx64-nvidia-cuda |
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| 12 | // UNSUPPORTED: nvptx64-nvidia-cuda-LTO |
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| 13 | // clang-format on |
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| 14 | |
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| 15 | #include <cassert> |
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| 16 | #include <cstdio> |
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| 17 | #include <cstdlib> |
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| 18 | |
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| 19 | int GI; |
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| 20 | #pragma omp declare target |
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| 21 | int *pGI; |
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| 22 | #pragma omp end declare target |
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| 23 | |
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| 24 | int main(void) { |
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| 25 | |
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| 26 | GI = 0; |
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| 27 | // Implicit mappings |
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| 28 | int alpha = 1; |
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| 29 | int beta[3] = {2, 5, 8}; |
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| 30 | |
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| 31 | // Require map clauses for non-USM execution |
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| 32 | pGI = (int *)malloc(size: sizeof(int)); |
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| 33 | *pGI = 42; |
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| 34 | |
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| 35 | #pragma omp target map(pGI[ : 1], GI) |
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| 36 | { |
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| 37 | GI = 1 * alpha; |
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| 38 | *pGI = 2 * beta[1]; |
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| 39 | } |
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| 40 | |
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| 41 | assert(GI == 1); |
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| 42 | assert(*pGI == 10); |
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| 43 | |
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| 44 | printf(format: "SUCCESS\n" ); |
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| 45 | |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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| 49 | // clang-format off |
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| 50 | // NO-USM: omptarget device 0 info: Copying data from host to device, HstPtr={{.*}}, TgtPtr={{.*}}, Size=4 |
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| 51 | // NO-USM-NEXT: omptarget device 0 info: Copying data from host to device, HstPtr={{.*}}, TgtPtr={{.*}}, Size=12 |
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| 52 | // NO-USM-NEXT: omptarget device 0 info: Copying data from host to device, HstPtr={{.*}}, TgtPtr={{.*}}, Size=4 |
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| 53 | // NO-USM-NEXT: omptarget device 0 info: Copying data from host to device, HstPtr={{.*}}, TgtPtr={{.*}}, Size=8, Name=pGI |
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| 54 | // NO-USM-NEXT: omptarget device 0 info: Copying data from device to host, TgtPtr={{.*}}, HstPtr={{.*}}, Size=4 |
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| 55 | // NO-USM-NEXT: omptarget device 0 info: Copying data from device to host, TgtPtr={{.*}}, HstPtr={{.*}}, Size=12 |
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| 56 | // NO-USM-NEXT: omptarget device 0 info: Copying data from device to host, TgtPtr={{.*}}, HstPtr={{.*}}, Size=4 |
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| 57 | // NO-USM-NEXT: SUCCESS |
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| 58 | |
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| 59 | // FORCE-USM: SUCCESS |
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| 60 | // |
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| 61 | // clang-format on |
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| 62 | |
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