[llvm-dev] How to create and insert a call MachineInstr?

[Will Lester via llvm-dev]

Hi all,
I am working on a project which needs to create and insert a MachineInstr
which calls a function. But I don't know how to build it. The function has
been declared in IR.
I have used BuildMI to build a MachineInstr. But it seems that a call
MachineInstr only has one parameter which is a
register(%physreg44<imp-use>?). Therefore how can I set the callee function
and the arguments of the function?
Thanks a lot,
Will
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