gcc/testsuite/gcc.dg/vect/pr71854.c

   1 /* PR tree-optimization/71854 */
   2 /* { dg-do compile } */
   3 /* { dg-additional-options "-O3 -ftree-loop-if-convert" } */
   4
   5 char a, f = 1;
   6 int b, c, e[8];
   7 short d;
   8
   9 short
  10 foo (short x)
  11 {
  12   return x >= 2 || x >> c ? x : x << c;
  13 }
  14
  15 int
  16 main ()
  17 {
  18   while (f)
  19     for (d = 0; d <= 7; d++)
  20       {
  21         f = 7 >> b ? a : a << b;
  22         e[d] = foo (f);
  23       }
  24   return 0;
  25 }