The main action here is to sink the creation of the installation rule for all of
the swift host tools into this API. In a latter commit, I will use this API to
create include and build rules for add_swift_host_tool.
All of these cases seem to need the symbols from LLVM's new CodeView library to
link.
The specific executables are:
1. Swift Driver.
2. SIL Extract.
3. SIL Opt.
4. Swift IDE Test.
5. Swift LLVM Opt.
6. LLDB Module Import Test
Now that one can not use analysis groups anymore on LLVM, we were given two
choices. Reinsert that dynamicism so we could via opt -load add in analyses /or/
just create our own version of opt. I decided to go with the later since it
enables us to simulate how IRGen sets up the LLVM pass pipeline exactly,
something we were unable to do before.
This also sets us up for whenever we need to respond to the new pass manager.
Swift SVN r32808
