gcc/testsuite/gcc.dg/pr27671-2.c

   1 /* PR rtl-optimization/27671.
   2    The combiner used to simplify "a ^ b == a" to "a" via
   3    simplify_relational_operation_1 in simplify-rtx.c.  */
   4 /* { dg-do run } */
   5 /* { dg-options "-O1" } */
   6 /* { dg-options "-O1 -march=pentium4" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
   7
   8 extern void abort (void) __attribute__ ((noreturn));
   9 extern void exit (int) __attribute__ ((noreturn));
  10
  11 static void __attribute__ ((noinline))
  12 bar (int k)
  13 {
  14   int n = k % 2;
  15   if (n == 0)
  16     abort ();
  17 }
  18
  19 int
  20 main (void)
  21 {
  22   bar (1);
  23   exit (0);
  24 }