gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-28.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dse-details -fexceptions -fnon-call-exceptions -fno-isolate-erroneous-paths-dereference" } */
   3 /* { dg-require-effective-target exceptions } */
   4
   5
   6 int foo (int *p, int b)
   7 {
   8   int *q;
   9   int i = 1;
  10   if (b)
  11     q = &i;
  12   else
  13     q = (void *)0;
  14   *q = 2;
  15   return i;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse1"} } */
  19 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse2"} } */
  20 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse3"} } */
  21 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse5"} } */
  22