On Jun 12, 2013, at 12:36 PM, Eric Christopher <echristo at gmail.com> wrote: > Off by one error. :) PR16105. Thanks, I see the problem now ;) I’ll get back to you with a more detailed answer, but note that contains() is used extensively by copyPhysReg, storeRegToStackSlot, and loadRegFromStackSlot in all the targets. /jakob