llvm-svn: 50453

This removes the failure in null-deref-ps.c (test suite).

llvm-svn: 50449

Added "nonlval::LValAsInteger" to represent abstract LVals casted to integers, allowing us to track lvals when they are casted back to pointers.

llvm-svn: 50108

lib dir and move all the libraries into it.  This follows the main
llvm tree, and allows the libraries to be built in parallel.  The
top level now enforces that all the libs are built before Driver,
but we don't care what order the libs are built in.  This speeds
up parallel builds, particularly incremental ones.

llvm-svn: 48402

llvm-svn: 48025

llvm-svn: 47995

llvm-svn: 47954

This current implementation only works when both operands are concrete values; later we will add support for symbolic values.

llvm-svn: 47726

two concrete integer values.

llvm-svn: 47341

their own [.cpp;.h] files.

llvm-svn: 47201