gcc/testsuite/gcc.dg/pr78445.c

   1 /* PR tree-optimization/78445 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ftree-loop-if-convert -ftree-vectorize" } */
   4 /* { dg-additional-options "-mavx2" { target { i?86-*-* x86_64-*-* } } } */
   5
   6 int a;
   7
   8 void
   9 foo (int x, int *y)
  10 {
  11   while (a != 0)
  12     if (x != 0)
  13       {
  14         *y = a;
  15         x = *y;
  16       }
  17     else
  18       x = a;
  19 }