gcc/testsuite/gcc.dg/tree-ssa/pr23401.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-gimple" } */
   3
   4 struct f
   5 {
   6   struct {
   7       int i;
   8   } ff[10];
   9 };
  10
  11 struct f g;
  12 int ffff(int i)
  13 {
  14   int t1 = 0;
  15   int i1 = g.ff[t1].i;
  16   int i2 = g.ff[i].i;
  17   return i1 + i2;
  18 }
  19
  20 /* We should not use extra temporaries apart from for i1 + i2.  */
  21
  22 /* { dg-final { scan-tree-dump-times "int" 5 "gimple" } } */
  23 /* { dg-final { scan-tree-dump-times "int D\\\." 1 "gimple" } } */
  24 /* { dg-final { cleanup-tree-dump "gimple" } } */