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115 lines
2.1 KiB
C
115 lines
2.1 KiB
C
// PR libgomp/69555
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// { dg-do run }
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#include <omp.h>
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__attribute__((noinline, noclone)) void
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f1 (int y)
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{
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int a[y - 2];
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int (&c)[y - 2] = a;
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c[0] = 111;
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int e = 0;
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#pragma omp parallel private (c) num_threads (4) reduction (+:e)
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{
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int v = omp_get_thread_num ();
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for (int i = 0; i < y - 2; i++)
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c[i] = i + v;
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#pragma omp barrier
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + v)
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e++;
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}
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if (c[0] != 111 || e)
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__builtin_abort ();
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}
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__attribute__((noinline, noclone)) void
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f2 (int y)
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{
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int a[y - 2];
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int (&c)[y - 2] = a;
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c[0] = 111;
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#pragma omp task private (c)
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{
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int v = omp_get_thread_num ();
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for (int i = 0; i < y - 2; i++)
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c[i] = i + v;
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asm volatile ("" : : "r" (&c[0]) : "memory");
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + v)
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__builtin_abort ();
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}
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if (c[0] != 111)
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__builtin_abort ();
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}
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__attribute__((noinline, noclone)) void
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f3 (int y)
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{
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int a[y - 2];
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int (&c)[y - 2] = a;
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for (int i = 0; i < y - 2; i++)
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c[i] = i + 4;
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#pragma omp parallel firstprivate (c) num_threads (4)
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{
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int v = omp_get_thread_num ();
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for (int i = 0; i < y - 2; i++)
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{
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if (c[i] != i + 4)
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__builtin_abort ();
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c[i] = i + v;
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}
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#pragma omp barrier
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + v)
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__builtin_abort ();
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}
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + 4)
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__builtin_abort ();
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}
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__attribute__((noinline, noclone)) void
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f4 (int y)
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{
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int a[y - 2];
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int (&c)[y - 2] = a;
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for (int i = 0; i < y - 2; i++)
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c[i] = i + 4;
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#pragma omp task firstprivate (c)
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{
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int v = omp_get_thread_num ();
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for (int i = 0; i < y - 2; i++)
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{
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if (c[i] != i + 4)
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__builtin_abort ();
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c[i] = i + v;
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}
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asm volatile ("" : : "r" (&c[0]) : "memory");
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + v)
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__builtin_abort ();
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}
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for (int i = 0; i < y - 2; i++)
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if (c[i] != i + 4)
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__builtin_abort ();
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}
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int
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main ()
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{
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f1 (6);
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f3 (6);
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#pragma omp parallel num_threads (4)
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{
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f2 (6);
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f4 (6);
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}
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return 0;
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}
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