gcc/testsuite/gcc.dg/pr80500.c

   1 /* PR rtl-optimization/80500 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -funroll-loops -ftree-loop-if-convert -fvariable-expansion-in-unroller" } */
   4
   5 signed char v;
   6
   7 void
   8 foo (int x)
   9 {
  10   while (x != 0)
  11     {
  12       v = (x >= 0) + 1;
  13       ++x;
  14     }
  15 }