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
   5 extern void fn1 (void), fn2 (void);
   6
   7 static inline __attribute__((always_inline)) int
   8 foo (int *x, long y)
   9 {
  10   asm goto ("" : : "r" (x), "r" (y) : "memory" : lab);
  11   return 0;
  12 lab:
  13   return 1;
  14 }
  15
  16 void
  17 bar (int *x)
  18 {
  19   if (foo (x, 23))
  20     fn1 ();
  21   else
  22     fn2 ();
  23
  24   foo (x, 2);
  25 }