gcc/testsuite/gcc.dg/torture/pr102920.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-funswitch-loops" } */
   3
   4 unsigned short a = 42;
   5 unsigned short b = 1;
   6 long int c = 1;
   7 unsigned char var_120;
   8 unsigned char var_123;
   9
  10 void __attribute__((noipa)) test(unsigned short a, unsigned short b, long c)
  11 {
  12   for (char i = 0; i < (char)c; i += 5)
  13     if (!b)
  14       var_120 = a;
  15     else
  16       var_123 = a;
  17 }
  18
  19 int main()
  20 {
  21   test(a, b, c);
  22   if (var_123 != 42)
  23     __builtin_abort ();
  24   return 0;
  25 }