llvm-svn: 186739

The logic to search a library from the library paths will be implemented
in a different patch.

llvm-svn: 186644

Fix Driver tests to check return value of parse(), simplify subclassing, and remove unneeded instance variables

llvm-svn: 186440

llvm-svn: 186428

llvm-svn: 184050

llvm-svn: 183724

llvm-svn: 183622

llvm-svn: 183604

llvm-svn: 183034

llvm-svn: 182988

llvm-svn: 182980

llvm-svn: 182971

llvm-svn: 182970