gcc/testsuite/gcc.target/i386/pr78035.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 extern int a;
   5 extern int b;
   6 extern int c;
   7
   8 int foo(int choose_a)
   9 {
  10   int *p;
  11   if (choose_a)
  12     p = &a;
  13   else
  14     p = &b;
  15   return p != &c;
  16 }
  17
  18 int bar ()
  19 {
  20   return &a != &c;
  21 }
  22
  23 /* We should not optimize away either comparison.  */
  24 /* { dg-final { scan-assembler-times "cmp" 2 } } */