gcc/testsuite/gcc.target/i386/pr68990.c

   1 /* { dg-do compile { target ia32 } } */
   2 /* { dg-options "-O3 -march=x86-64" } */
   3 /* { dg-final { scan-assembler-not "cmpl\[ \t]+(\[%a-z]+), \\1" } } */
   4
   5 short a;
   6 int b = 1, f;
   7 char c, e = 1;
   8 long long d;
   9
  10 static short
  11 foo ()
  12 {
  13   unsigned g, h = 0;
  14   int i = 0 || d * (b | e);
  15   char j = a << i, l = a;
  16   short k;
  17   int m = -b;
  18   if (m < b)
  19     {
  20       k = m = b;
  21       g = (k || l) / (b / e);
  22       if (b)
  23         __builtin_printf ("foo=%lld\n", (long long) a);
  24     }
  25   a = b = m;
  26   if (j || e)
  27     {
  28       h = g;
  29       i = m;
  30       g = j * k / (i - d);
  31       if (m)
  32         b = j && b;
  33       e = b * (h & d) || g;
  34     }
  35   b = i;
  36   char n = e || h | d;
  37   e = i < d & k / n;
  38   return f;
  39 }
  40
  41 int
  42 main ()
  43 {
  44   if (foo ())
  45     if (c)
  46     lab:
  47       goto lab;
  48   return 0;
  49 }