gcc/testsuite/gcc.c-torture/execute/20071220-1.c

   1 /* PR tree-optimization/29484 */
   2 /* { dg-require-effective-target label_values } */
   3 /* { dg-require-effective-target indirect_jumps } */
   4
   5 extern void abort (void);
   6
   7 void *__attribute__((noinline))
   8 baz (void **lab)
   9 {
  10   asm volatile ("" : "+r" (lab));
  11   return *lab;
  12 }
  13
  14 static inline
  15 int bar (void)
  16 {
  17   static void *b[] = { &&addr };
  18   void *p = baz (b);
  19   goto *p;
  20 addr:
  21   return 17;
  22 }
  23
  24 int __attribute__((noinline))
  25 f1 (void)
  26 {
  27   return bar ();
  28 }
  29
  30 int __attribute__((noinline))
  31 f2 (void)
  32 {
  33   return bar ();
  34 }
  35
  36 int
  37 main (void)
  38 {
  39   if (f1 () != 17 || f1 () != 17 || f2 () != 17 || f2 () != 17)
  40     abort ();
  41   return 0;
  42 }