gcc/testsuite/gcc.dg/pr89278.c

   1 /* PR tree-optimization/89278 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -ftrapv -ftree-loop-distribute-patterns --param max-loop-header-insns=2" } */
   4
   5 void
   6 foo (int *w, int x, int y, int z)
   7 {
   8   while (x < y + z)
   9     {
  10       w[x] = 0;
  11       ++x;
  12     }
  13 }
  14
  15 void
  16 bar (int *__restrict u, int *__restrict w, int x, int y, int z)
  17 {
  18   while (x < y + z)
  19     {
  20       w[x] = u[x];
  21       ++x;
  22     }
  23 }