gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-24.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre" } */
   3
   4 void foo(int *p, double *x, int n)
   5 {
   6   int i;
   7   for (i = 0; i < n; ++i)
   8     *(x + *p * i) = 0.0;
   9 }
  10
  11 /* We should remove the unnecessary insertion of a phi-node and
  12    _not_ end up using the phi result for replacement *p.  */
  13
  14 /* { dg-final { scan-tree-dump-not "= prephitmp" "pre" } } */