libgomp/testsuite/libgomp.c/loop-20.c

   1 /* { dg-do run } */
   2
   3 extern void abort (void);
   4
   5 unsigned long long int x, i, j;
   6 volatile unsigned long long int a, b, c, d, e, f, g, h;
   7 int k[4][206];
   8
   9 int
  10 main ()
  11 {
  12   long long int niters;
  13   for (j = ~0ULL / 2 - 32; j < ((~0ULL / 2) + 6); j++)
  14     k[0][j - ~0ULL / 2 + 64] = 1;
  15   a = 1; b = 2; c = 1; d = 0; e = ~0ULL / 2 - 32; f = ((~0ULL / 2) + 6); g = 0; h = 1;
  16   niters = 0; i = -100; j = -100; x = -100;
  17   #pragma omp parallel for collapse(2) lastprivate (i, j, x) reduction(+:niters)
  18   for (i = 1; i < 2; i++)
  19     for (j = ~0ULL / 2 - 32; j < i * ((~0ULL / 2) + 6); j++)
  20       {
  21         if (i != 1 || j < ~0ULL / 2 - 32 || j >= ((~0ULL / 2) + 6) || k[0][j - ~0ULL / 2 + 64] != 1)
  22           abort ();
  23         k[0][j - ~0ULL / 2 + 64]++;
  24         x = i * 1024 + (j & 1023);
  25         niters++;
  26       }
  27   if (i != 2 || j != ((~0ULL / 2) + 6) || x != 1028 || niters != 38)
  28     abort ();
  29   niters = 0; i = -100; j = -100; x = -100;
  30   #pragma omp parallel for collapse(2) lastprivate (i, j, x) reduction(+:niters)
  31   for (i = a; i < b; i += c)
  32     for (j = d * i + e; j < g + i * f; j += h)
  33       {
  34         if (i != 1 || j < ~0ULL / 2 - 32 || j >= ((~0ULL / 2) + 6) || k[0][j - ~0ULL / 2 + 64] != 2)
  35           abort ();
  36         k[0][j - ~0ULL / 2 + 64]++;
  37         x = i * 1024 + (j & 1023);
  38         niters++;
  39       }
  40   if (i != 2 || j != ((~0ULL / 2) + 6) || x != 1028 || niters != 38)
  41     abort ();
  42   for (j = ~0ULL / 2 - 32; j < ((~0ULL / 2) + 6); j++)
  43     if (k[0][j - ~0ULL / 2 + 64] == 3)
  44       k[0][j - ~0ULL / 2 + 64] = 0;
  45     else
  46       abort ();
  47   for (i = 1; i < 4; i++)
  48     for (j = 64ULL * i; j < i * 32ULL + 110; j++)
  49       k[i][j] = 1;
  50   a = 1; b = 4; c = 1; d = 64ULL; e = 0; f = 32ULL; g = 110ULL; h = 1;
  51   niters = 0; i = -100; j = -100; x = -100;
  52   #pragma omp parallel for collapse(2) lastprivate (i, j, x) reduction(+:niters)
  53   for (i = 1; i < 4; i++)
  54     for (j = 64ULL * i; j < i * 32ULL + 110; j++)
  55       {
  56         if (i < 1 || i >= 4 || j < 64ULL * i || j >= i * 32ULL + 110 || k[i][j] != 1)
  57           abort ();
  58         k[i][j]++;
  59         x = i * 1024 + (j & 1023);
  60         niters++;
  61       }
  62   if (i != 4 || j != 206 || x != 3277 || niters != 138)
  63     abort ();
  64   niters = 0; i = -100; j = -100; x = -100;
  65   #pragma omp parallel for collapse(2) lastprivate (i, j, x) reduction(+:niters)
  66   for (i = a; i < b; i += c)
  67     for (j = d * i + e; j < g + i * f; j += h)
  68       {
  69         if (i < 1 || i >= 4 || j < 64ULL * i || j >= i * 32ULL + 110 || k[i][j] != 2)
  70           abort ();
  71         k[i][j]++;
  72         x = i * 1024 + (j & 1023);
  73         niters++;
  74       }
  75   if (i != 4 || j != 206 || x != 3277 || niters != 138)
  76     abort ();
  77   for (i = 1; i < 4; i++)
  78     for (j = 64ULL * i; j < i * 32ULL + 110; j++)
  79       if (k[i][j] == 3)
  80         k[i][j] = 0;
  81       else
  82         abort ();
  83   return 0;
  84 }