gcc/testsuite/gcc.dg/vect/vect-dv-1.c

   1 /* Test compiler crash when dependence analyzer can not represent
   2    dependence relation by distance vector.  */
   3 /* { dg-do compile } */
   4 /* { dg-require-effective-target vect_int } */
   5
   6 int x[199];
   7
   8 void foo()
   9
  10 {
  11   int t,j;
  12
  13   for (j=99;j>0;j--)
  14     x [j+j]=x[j];
  15
  16   for (j=198;j>=100;j--)
  17     if(x[j])
  18       {
  19         x[j-63]=x[j-3]-x[j];
  20       }
  21 }
  22 /* { dg-final { cleanup-tree-dump "vect" } } */