gcc/testsuite/gcc.dg/pr36504.c

   1 /* PR tree-optimization/36504 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -fprefetch-loop-arrays -w" } */
   4 /* { dg-additional-options "-march=i686 -msse" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
   5
   6 struct A { struct { int a; } b[8]; };
   7 struct B { int c; int d; };
   8 struct C { struct B d; };
   9
  10 void bar (struct C *, int);
  11
  12 struct B
  13 foo (struct C *p, struct A *e, int b)
  14 {
  15   struct B q;
  16   bar (p, e->b[b].a);
  17   return q;
  18 }
  19
  20 void
  21 baz (int b, struct A *e)
  22 {
  23   struct C p;
  24   for (; b; ++b)
  25     p.d = foo (&p, e, b);
  26 }