gcc/testsuite/gcc.target/arm/reg_equal_test.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-rtl-expand" } */
   3
   4 extern void abort (void);
   5 unsigned int a = 1;
   6
   7 int
   8 main (void)
   9 {
  10   unsigned int b, c, d;
  11
  12   if (sizeof (int) != 4 || (int) 0xc7d24b5e > 0)
  13     return 0;
  14
  15   c = 0xc7d24b5e;
  16   d = a | -2;
  17   b = (d == 0) ? c : (c % d);
  18   if (b != c)
  19     abort ();
  20
  21   return 0;
  22 }
  23
  24 /* { dg-final { scan-rtl-dump "expr_list:REG_EQUAL \\(const_int -942519458" "expand" } } */