Returns the macro name or value of the max or min of an integer type (as defined in limits.h).

getGlobalVariableClass - If this is a global that is specially recognized by LLVM, return a code that indicates how we should handle it.

FindStaticTors - Given a static ctor/dtor list, unpack its contents into the StaticTors set.

PrintEscapedString - Print each character of the specified string, escaping it if it is not printable or if it is an escape char.

TODO copied from CppBackend, new code should use raw_ostream

GetFileNameRoot - Helper function to get the basename of a filename.

TODO: import logic from AsmPrinter.cpp

This converts the llvm constraint string to something gcc is expecting. TODO: work out platform independent constraints and factor those out of the pe