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Just like for addMemOperand(), the function pointer provides a context for allocating memory. This will make it possible to use a better memory allocation strategy for the MI operand list, which is currently a slow std::vector. Most calls to addOperand() come from MachineInstrBuilder, so give that class an MF reference as well. Code using BuildMI() won't need changing at all since the MF reference is already required to allocate a MachineInstr. Future patches will fix code that calls MI::addOperand(Op) directly, as well as code that uses the now deprecated MachineInstrBuilder(MI) constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170574 91177308-0d34-0410-b5e6-96231b3b80d8
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