Major cleanup of the transfer function logic for '&&', '||', and '?'.  We
now store in the state essentially which branch we took.  This removes
a bunch of bogus assumptions (and likely bugs), reduces the complexity of
the implementation, and facilitates more optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47613 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed