* do cse after the init/final code has been inserted, this might enable new cse opportunities

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26623 3ad0048d-3df7-0310-abae-a5850022a9f2
* create the addr node for cse with create_internal to avoid errors when taking the address of a temp.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26624 3ad0048d-3df7-0310-abae-a5850022a9f2
* addr nodes can be also considered in cse

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26625 3ad0048d-3df7-0310-abae-a5850022a9f2