gcc/testsuite/gcc.dg/54455.c

   1 /* PR rtl-optimization/54455 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -fschedule-insns -fselective-scheduling --param max-sched-extend-regions-iters=2" } */
   4 /* { dg-require-effective-target scheduling } */
   5
   6 extern void fn1 (void), fn2 (void);
   7
   8 static inline __attribute__((always_inline)) int
   9 foo (int *x, long y)
  10 {
  11   asm goto ("" : : "r" (x), "r" (y) : "memory" : lab);
  12   return 0;
  13 lab:
  14   return 1;
  15 }
  16
  17 void
  18 bar (int *x)
  19 {
  20   if (foo (x, 23))
  21     fn1 ();
  22   else
  23     fn2 ();
  24
  25   foo (x, 2);
  26 }