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...placement, I often see unnecessary unconditional jumps. So I'm not sure what is considered best practice. Hopefully someone else on the list will clarify. Either way it is definitely not an assumption made by the scheduler. In my previous message, I was pointing out corner cases present in the MachineScheduler::runOnMachineFunction loop--they all have to do with terminators or lack thereof. It is interesting to note that a VLIW target will want to do block placement before final bundling. That's not something I plan to fix short term. I think you can deal with it in your target's pass con...