* calculate complexity of exit nodes correctly

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25245 3ad0048d-3df7-0310-abae-a5850022a9f2
* simplify body of for loop before unrolling

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25246 3ad0048d-3df7-0310-abae-a5850022a9f2
* store break/continue usage in a variable

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25247 3ad0048d-3df7-0310-abae-a5850022a9f2