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
   4
   5 int foo (int *p, int b)
   6 {
   7   int *q;
   8   int i = 1;
   9   if (b)
  10     q = &i;
  11   else
  12     q = (void *)0;
  13   *q = 2;
  14   return i;
  15 }
  16
  17 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse1"} } */
  18 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse2"} } */
  19 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse3"} } */
  20