gcc/testsuite/gcc.dg/pr45472.c

   1 /* { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } } */
   2 /* { dg-options "-O -fschedule-insns2 -fselective-scheduling2" } */
   3
   4 struct S
   5 {
   6   volatile long vl;
   7   int i;
   8 };
   9 struct S s1, s2;
  10
  11 void
  12 foo (int j, int c)
  13 {
  14   int i;
  15   for (i = 0; i <= j; i++)
  16     {
  17       if (c)
  18         s2.vl += s1.vl;
  19       s1 = s2;
  20     }
  21 }