On Sun, Aug 28, 2011 at 10:04:54AM -0700, Linus Torvalds wrote: > On Sun, Aug 28, 2011 at 3:04 AM, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > > > > * need to start integrating struct support. LLVM has a type system where > > one defines data structures in the IR, then uses 'getelementptr' LLVM > > instruction to build addresses for complex load/store operations. The Linux > > kernel uses a lot of function calls (indirect branches) from values buried > > deep within a struct. > > You really shouldn't need to do that. > > You should consider all types to be just "blocks of memory", and > sparse has already calculated all offsets etc for you. As far as LLVM > is concerned, the memory has no structure, it's just a blob. I suspect LLVM's optimization passes won't particularly care for that approach. - Josh Triplett -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
