gcc/testsuite/gcc.dg/pr48156.c

   1 /* PR rtl-optimization/48156 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O -fcrossjumping --param min-crossjump-insns=1" } */
   4
   5 extern void abort (void);
   6
   7 static int __attribute__ ((noinline, noclone))
   8 equals (int s1, int s2)
   9 {
  10   return s1 == s2;
  11 }
  12
  13 static int __attribute__ ((noinline, noclone))
  14 bar (void)
  15 {
  16   return 1;
  17 }
  18
  19 static void __attribute__ ((noinline, noclone))
  20 baz (int f, int j)
  21 {
  22   if (f != 4 || j != 2)
  23     abort ();
  24 }
  25
  26 void
  27 foo (int x)
  28 {
  29   int i = 0, j = bar ();
  30
  31   if (x == 1)
  32     i = 2;
  33
  34   if (j && equals (i, j))
  35     baz (8, i);
  36   else
  37     baz (4, i);
  38 }
  39
  40 int
  41 main ()
  42 {
  43   foo (1);
  44   return 0;
  45 }