gcc/testsuite/gcc.dg/pr64406.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ftree-loop-distribute-patterns -fno-tree-loop-ivcanon -fno-tree-loop-vectorize -ftree-vectorize" } */
   3
   4 unsigned in[72];
   5
   6 void bar (unsigned out[], unsigned ia[]);
   7
   8 void
   9 foo ()
  10 {
  11   int i;
  12   unsigned out[72], ia[8];
  13   for (i = 0; i < 8; i++)
  14     {
  15       out[i * 8] = in[i * 8] + 5;
  16       out[i * 8 + 1] = in[i * 8 + 1] + 6;
  17       out[i * 8 + 2] = in[i * 8 + 2] + 7;
  18       out[i * 8 + 3] = in[i * 8 + 3] + 8;
  19       out[i * 8 + 4] = in[i * 8 + 4] + 9;
  20       out[i * 8 + 5] = in[i * 8 + 5] + 10;
  21       out[i * 8 + 6] = in[i * 8 + 6] + 11;
  22       out[i * 8 + 7] = in[i * 8 + 7] + 12;
  23       ia[i] = in[i];
  24     }
  25   bar (out, ia);
  26 }