mirror of git://gcc.gnu.org/git/gcc.git
124 lines
1.8 KiB
C
124 lines
1.8 KiB
C
/* PR middle-end/33880 */
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/* { dg-do run } */
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extern void abort (void);
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void
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test1 (void)
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{
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int i = 0, j = 0;
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void bar (void)
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{
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i++;
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j++;
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}
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bar ();
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#pragma omp parallel for num_threads(4)
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for (i = 0; i < 100; i++)
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#pragma omp atomic
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j += 1;
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if (j != 101)
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abort ();
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#pragma omp parallel for lastprivate(i) num_threads(2)
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for (i = 0; i < 100; i++)
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#pragma omp atomic
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j += 1;
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if (i != 100)
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abort ();
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i = 3;
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bar ();
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if (j != 202)
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abort ();
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if (i != 4)
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abort ();
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}
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void
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test2 (void)
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{
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int i = -1, j = 99, k, l = 9, m = 0;
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void bar (void)
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{
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i++;
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j++;
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l++;
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m++;
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}
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bar ();
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#pragma omp parallel for num_threads(4)
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for (k = i; k < j; k += l)
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#pragma omp atomic
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m += 1;
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bar ();
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if (i != 1 || j != 101 || l != 11 || m != 12)
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abort ();
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}
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void
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test3 (void)
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{
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int i, j, k, l, m;
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void bar (void)
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{
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#pragma omp parallel for num_threads(4)
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for (i = j; i < k; i += l)
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#pragma omp atomic
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m += 1;
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}
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void baz (void)
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{
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#pragma omp parallel for num_threads(2) lastprivate(i)
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for (i = j; i < k * 2; i += l / 2)
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#pragma omp atomic
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m += 1;
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}
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i = 7;
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j = 0;
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k = 100;
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l = 2;
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m = 0;
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bar ();
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if (j != 0 || k != 100 || l != 2 || m != 50)
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abort ();
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baz ();
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if (i != 200 || j != 0 || k != 100 || l != 2 || m != 250)
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abort ();
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}
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void
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test4 (void)
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{
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int i, j, k, l, m = 0;
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int foo (void)
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{
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return j;
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}
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int bar (void)
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{
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return k;
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}
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int baz (void)
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{
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return l;
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}
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j = 0;
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k = 1000;
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l = 2;
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#pragma omp parallel for num_threads(8) lastprivate(i)
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for (i = foo (); i < bar (); i += baz ())
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#pragma omp atomic
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m += 1;
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if (i != 1000 || m != 500 || j != 0 || k != 1000 || l != 2)
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abort ();
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}
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int
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main (void)
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{
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test1 ();
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test2 ();
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test3 ();
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test4 ();
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return 0;
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}
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