gcc/testsuite/gcc.dg/tree-ssa/20030824-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 struct A
   5 {
   6   int a,b;
   7 };
   8
   9 int foo (int x, int y)
  10 {
  11   int i, j;
  12   struct A a;
  13
  14   a.a = x;
  15   a.b = y;
  16   j = a.a;
  17   i = a.b;
  18   return i + j;
  19 }
  20
  21 /* This function should be optimized into 'return y+x'.  */
  22 /* { dg-final { scan-tree-dump-times "return \[xy\] \\+ \[xy\]" 1 "optimized"} } */
  23 /* { dg-final { cleanup-tree-dump "optimized" } } */