[LLVMdev] MachineOperand::TargetFlags question

[Villmow, Micah]

I'm looking at utilizing the MachineOperand::TargetFlags and I'm wondering if there is a specific reason on limiting the size of the flags to 8 bits. Also are there any assumptions on what can be validly used here that I should keep in mind? Ideally I need 28 bits but I can code the major cases using all 8 bits, but I don't want to clobber anything that might be used internally in LLVM.

Thanks for any feedback,
Micah
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