gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-18.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre-details -fno-tree-loop-im" } */
   3
   4 struct Bar { int a; int b; };
   5 struct Foo { int x; struct Bar y; };
   6
   7 int __attribute__((const)) foo (struct Bar);
   8
   9 int bar (int b)
  10 {
  11   struct Foo f;
  12   int c;
  13   while (b--)
  14     {
  15       c = foo(f.y);
  16     }
  17   return c;
  18 }
  19
  20 /* { dg-final { scan-tree-dump "Replaced foo \\(f.y\\)" "pre" } } */