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OpenMP: Fix for PR46868: Incorrect target map
https://bugs.llvm.org/attachment.cgi?id=23891 by Alexey Bataev.
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| Original file line number | Diff line number | Diff line change |
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| // RUN: %libomptarget-compile-aarch64-unknown-linux-gnu && env LIBOMPTARGET_DEBUG=1 %libomptarget-run-aarch64-unknown-linux-gnu 2>&1 | %fcheck-aarch64-unknown-linux-gnu | ||
| // RUN: %libomptarget-compile-powerpc64-ibm-linux-gnu && env LIBOMPTARGET_DEBUG=1 %libomptarget-run-powerpc64-ibm-linux-gnu 2>&1 | %fcheck-powerpc64-ibm-linux-gnu | ||
| // RUN: %libomptarget-compile-powerpc64le-ibm-linux-gnu && env LIBOMPTARGET_DEBUG=1 %libomptarget-run-powerpc64le-ibm-linux-gnu 2>&1 | %fcheck-powerpc64le-ibm-linux-gnu | ||
| // RUN: %libomptarget-compile-x86_64-pc-linux-gnu && env LIBOMPTARGET_DEBUG=1 %libomptarget-run-x86_64-pc-linux-gnu 2>&1 | %fcheck-x86_64-pc-linux-gnu | ||
| // RUN: %libomptarget-compile-nvptx64-nvidia-cuda && env LIBOMPTARGET_DEBUG=1 %libomptarget-run-nvptx64-nvidia-cuda 2>&1 | %fcheck-nvptx64-nvidia-cuda | ||
| // REQUIRES: libomptarget-debug | ||
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| #include <stdlib.h> | ||
| #include <stdio.h> | ||
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| int *allocate(size_t n) { | ||
| int *ptr = malloc(sizeof(int) * n); | ||
| #pragma omp target enter data map(to : ptr[:n]) | ||
| return ptr; | ||
| } | ||
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| void deallocate(int *ptr, size_t n) { | ||
| #pragma omp target exit data map(delete : ptr[:n]) | ||
| free(ptr); | ||
| } | ||
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| #pragma omp declare target | ||
| int *cnt; | ||
| void foo() { | ||
| ++(*cnt); | ||
| } | ||
| #pragma omp end declare target | ||
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| int main(void) { | ||
| int *A = allocate(10); | ||
| int *V = allocate(10); | ||
| deallocate(A, 10); | ||
| deallocate(V, 10); | ||
| // CHECK-NOT: RefCount=2 | ||
| cnt = malloc(sizeof(int)); | ||
| *cnt = 0; | ||
| #pragma omp target data map(cnt[:1]) | ||
| #pragma omp target | ||
| foo(); | ||
| printf("Cnt = %d.\n", *cnt); | ||
| // CHECK: Cnt = 1. | ||
| free(cnt); | ||
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| return 0; | ||
| } | ||
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