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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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// PR c/39495
// { dg-do compile }
// { dg-options "-fopenmp" }

#define INT_MIN (-__INT_MAX__ - 1)
#define INT_MAX __INT_MAX__
#define UINT_MAX (2U * __INT_MAX__ + 1)

void
foo (void)
{
  int i;
  unsigned int u;

#pragma omp for
  for (i = INT_MIN + 6; i > INT_MIN + 1; i--)
    ;
#pragma omp for
  for (i = INT_MIN + 6; i >= INT_MIN + 1; i--)
    ;
#pragma omp for
  for (i = INT_MIN + 6; i > INT_MIN; i--)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i < INT_MAX - 1; i++)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i <= INT_MAX - 1; i++)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i < INT_MAX; i++)
    ;
#pragma omp for
  for (u = 6; u > 1; u--)
    ;
#pragma omp for
  for (u = 6; u >= 1; u--)
    ;
#pragma omp for
  for (u = 6; u > 0; u--)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u < UINT_MAX - 1; u++)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u++)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u < UINT_MAX; u++)
    ;
}

void
bar (void)
{
  int i;
  unsigned int u;

#pragma omp for
  for (i = INT_MIN + 6; i > INT_MIN + 1; i -= 2)
    ;
#pragma omp for
  for (i = INT_MIN + 6; i >= INT_MIN + 1; i -= 2)
    ;
#pragma omp for
  for (i = INT_MIN + 6; i > INT_MIN; i -= 2)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i < INT_MAX - 1; i += 2)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i <= INT_MAX - 1; i += 2)
    ;
#pragma omp for
  for (i = INT_MAX - 6; i < INT_MAX; i += 2)
    ;
#pragma omp for
  for (u = 6; u > 1; u -= 2)
    ;
#pragma omp for
  for (u = 6; u >= 1; u -= 2)
    ;
#pragma omp for
  for (u = 6; u > 0; u -= 2)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u < UINT_MAX - 1; u += 2)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u <= UINT_MAX - 1; u += 2)
    ;
#pragma omp for
  for (u = UINT_MAX - 6; u < UINT_MAX; u += 2)
    ;
}