4cd115ca34
The current test is not really correct because the mask is set to 0xffffffff even if it is on an AMDGPU whose wavefront size is 64. Besides, `__AMDGCN_WAVEFRONT_SIZE` is not set on host compilation so the verification happens to work.
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
// RUN: %libomptarget-compilexx-run-and-check-generic
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//
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// UNSUPPORTED: x86_64-pc-linux-gnu
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// UNSUPPORTED: x86_64-pc-linux-gnu-LTO
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// UNSUPPORTED: aarch64-unknown-linux-gnu
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// UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
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// UNSUPPORTED: s390x-ibm-linux-gnu
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// UNSUPPORTED: s390x-ibm-linux-gnu-LTO
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#include <assert.h>
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#include <ompx.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char *argv[]) {
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const int num_blocks = 1;
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const int block_size = 256;
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const int N = num_blocks * block_size;
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int *res = (int *)malloc(N * sizeof(int));
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#pragma omp target teams ompx_bare num_teams(num_blocks) thread_limit(block_size) \
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map(from: res[0:N])
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{
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int tid = ompx_thread_id_x();
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uint64_t mask = ompx_ballot_sync(~0LU, tid & 0x1);
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#if defined __AMDGCN_WAVEFRONT_SIZE && __AMDGCN_WAVEFRONT_SIZE == 64
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res[tid] = mask == 0xaaaaaaaaaaaaaaaa;
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#else
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res[tid] = mask == 0xaaaaaaaa;
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#endif
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}
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for (int i = 0; i < N; ++i)
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assert(res[i]);
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// CHECK: PASS
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printf("PASS\n");
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free(res);
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return 0;
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}
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