gcc/testsuite/gcc.dg/gomp/pr39495-1.c

   1 /* PR c/39495 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fopenmp" } */
   4
   5 #define INT_MIN (-__INT_MAX__ - 1)
   6 #define INT_MAX __INT_MAX__
   7 #define UINT_MAX (2U * __INT_MAX__ + 1)
   8
   9 int
  10 foo (void)
  11 {
  12   int i;
  13   unsigned int u;
  14
  15 #pragma omp for
  16   for (i = INT_MIN + 6; i > INT_MIN + 1; i--)
  17     ;
  18 #pragma omp for
  19   for (i = INT_MIN + 6; i >= INT_MIN + 1; i--)
  20     ;
  21 #pragma omp for
  22   for (i = INT_MIN + 6; i > INT_MIN; i--)
  23     ;
  24 #pragma omp for
  25   for (i = INT_MAX - 6; i < INT_MAX - 1; i++)
  26     ;
  27 #pragma omp for
  28   for (i = INT_MAX - 6; i <= INT_MAX - 1; i++)
  29     ;
  30 #pragma omp for
  31   for (i = INT_MAX - 6; i < INT_MAX; i++)
  32     ;
  33 #pragma omp for
  34   for (u = 6; u > 1; u--)
  35     ;
  36 #pragma omp for
  37   for (u = 6; u >= 1; u--)
  38     ;
  39 #pragma omp for
  40   for (u = 6; u > 0; u--)
  41     ;
  42 #pragma omp for
  43   for (u = UINT_MAX - 6; u < UINT_MAX - 1; u++)
  44     ;
  45 #pragma omp for
  46   for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u++)
  47     ;
  48 #pragma omp for
  49   for (u = UINT_MAX - 6; u < UINT_MAX; u++)
  50     ;
  51 }
  52
  53 int
  54 bar (void)
  55 {
  56   int i;
  57   unsigned int u;
  58
  59 #pragma omp for
  60   for (i = INT_MIN + 6; i > INT_MIN + 1; i -= 2)
  61     ;
  62 #pragma omp for
  63   for (i = INT_MIN + 6; i >= INT_MIN + 1; i -= 2)
  64     ;
  65 #pragma omp for
  66   for (i = INT_MIN + 6; i > INT_MIN; i -= 2)
  67     ;
  68 #pragma omp for
  69   for (i = INT_MAX - 6; i < INT_MAX - 1; i += 2)
  70     ;
  71 #pragma omp for
  72   for (i = INT_MAX - 6; i <= INT_MAX - 1; i += 2)
  73     ;
  74 #pragma omp for
  75   for (i = INT_MAX - 6; i < INT_MAX; i += 2)
  76     ;
  77 #pragma omp for
  78   for (u = 6; u > 1; u -= 2)
  79     ;
  80 #pragma omp for
  81   for (u = 6; u >= 1; u -= 2)
  82     ;
  83 #pragma omp for
  84   for (u = 6; u > 0; u -= 2)
  85     ;
  86 #pragma omp for
  87   for (u = UINT_MAX - 6; u < UINT_MAX - 1; u += 2)
  88     ;
  89 #pragma omp for
  90   for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u += 2)
  91     ;
  92 #pragma omp for
  93   for (u = UINT_MAX - 6; u < UINT_MAX; u += 2)
  94     ;
  95 }