gcc/testsuite/g++.dg/tree-ssa/pr31146.C

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-forwprop" } */
   3
   4 /* We should be able to optimize this to i[j] = 1 during
   5    early optimizations.  */
   6
   7 int i[5];
   8 void foo (int j)
   9 {
  10   void *p = &i[j];
  11   int *q = (int *)p;
  12   *q = 1;
  13 }
  14
  15 /* { dg-final { scan-tree-dump "i\\\[j.*\\\] = 1;" "forwprop1" { xfail *-*-* } } } */
  16 /* { dg-final { scan-tree-dump "i\\\[j.*\\\] = 1;" "forwprop2" } } */
  17 /* { dg-final { cleanup-tree-dump "forwprop?" } } */