Added support for "continue" statements in source-level CFGs

Cleaned up some code for "for" and "while" loops by making their
implementations more symmetrical (and added a few comments).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41298 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed