First, you need to create a new directory somewhere in the LLVM source +
First, configure and build LLVM. This needs to be done directly inside the + LLVM source tree rather than in a separate objects directory. + Next, you need to create a new directory somewhere in the LLVM source base. For this example, we'll assume that you made - lib/Transforms/Hello. Next, you must set up a build script + lib/Transforms/Hello. Finally, you must set up a build script (Makefile) that will compile the source code for the new pass. To do this, copy the following into Makefile: