gcc/testsuite/gcc.dg/pr42916.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -funroll-loops -ftree-vectorize -fcompare-debug" } */
   3
   4 int seed;
   5
   6 static inline int hash(const char *str)
   7 {
   8   int h = seed++;
   9   int i = 12;
  10   while (i--)
  11     h += (h << 3) ^ *str++;
  12   return h;
  13 }
  14
  15 void f(const char *str, int *h)
  16 {
  17   int i = 6;
  18   while (i--)
  19     *h++ = hash(str);
  20 }