gcc/testsuite/gcc.dg/pr32573.c

   1 /* PR tree-optimization/32573 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3" } */
   4
   5 int
   6 foo (void *x, long long *y)
   7 {
   8   char a[256];
   9   int i = 0;
  10   long long b;
  11   int c;
  12   int d = 0;
  13   int e = 0;
  14   unsigned f = 0;
  15   b = bar (x);
  16   c = (unsigned) b;
  17   while (d < b && d < 65557)
  18     {
  19       f = *(unsigned *) &a[0];
  20       for (i = c - 4; i > 0; i--)
  21         if (a[i + 0] == 0x50
  22             && a[i + 1] == 0x4B
  23             && a[i + 3] == 0x06)
  24           {
  25             e = 1;
  26             break;
  27           }
  28     }
  29   return !e;
  30 }