gcc/testsuite/gcc.dg/pr58668.c

   1 /* PR rtl-optimization/58668 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-additional-options "-mthumb" { target { { arm*-*-* } && arm_thumb2_ok } } } */
   5
   6 void *fn1 (void *);
   7 void *fn2 (void *, const char *);
   8 void fn3 (void *);
   9 void fn4 (void *, int);
  10
  11 void *
  12 test (void *x)
  13 {
  14   void *a, *b;
  15   if (!(a = fn1 (x)))
  16     return (void *) 0;
  17   if (!(b = fn2 (a, "w")))
  18     {
  19       fn3 (a);
  20       return (void *) 0;
  21     }
  22   fn3 (a);
  23   fn4 (b, 1);
  24   return b;
  25 }