gcc/testsuite/gcc.dg/tree-ssa/ssa-sink-10.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-sink-details -fno-tree-pre" } */
   3
   4 int x[1024], y[1024], z[1024], w[1024];
   5 void foo (void)
   6 {
   7   int i;
   8   for (i = 1; i < 1024; ++i)
   9     {
  10       int a = x[i];
  11       int b = y[i];
  12       int c = x[i-1];
  13       int d = y[i-1];
  14       if (w[i])
  15         z[i] = (a + b) + (c + d);
  16     }
  17 }
  18
  19 /* { dg-final { scan-tree-dump-times "Sinking # VUSE" 4 "sink" } } */