Hi all, In case anyone is interested, there is a new LLVM tutorial available here: http://llvm.org/pubs/2004-09-22-LCPCLLVMTutorial.html Among other things, it introduces LLVM and goes through an example interprocedural optimization step-by-step. Enjoy, -Chris -- http://llvm.org/ http://nondot.org/sabre/