[llvm-dev] PostRAScheduler

[Ryan Taylor via llvm-dev]

Is there any specific documentation on this? Is there a point of contact
for this file that I might bug?

So I have an instruction that needs noops inserted and it appears that the
noops are being inserted in the EmitSchedule function of the
PostRAScheduler. From the loop in EmitSchedule it looks like it's inserting
noops whenever SUnit is NULL. I don't see anything in the DAG that appears
odd or any empty nodes, how are these NULL SUnits inserted into the
Sequence?

Thanks,

Ryan
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