[LLVMdev] Replacing a Reg MachineOperand with a non-Reg MachineOperand?

[Tom Stellard]

On Mon, Jun 15, 2015 at 10:16:47PM -0400, Ryan Taylor wrote:
> I have a MachineOperand that could be something other than a Reg: mem,
> global address, imm, etc...
> 
> I want to replace a reg MachineOperand with this non-reg MachineOperand.
> 
> I've tried a few different things, but it doesn't seem like there is some
> simple functionality to do this?
> 
> "RemoveOperand" and "addOperand" does not work.
> There doesn't seem to be a valid "ChangeTo..." function for this.
> 
> 

What type of operand do you want to change it to?  If there is no
"ChangeTo..." function for the new type, I think the best thing to do
would be to add a new "ChangeTo..." function to handle the new type.

-Tom

> What's the best way to do this without tearing down the instructions and
> using BuildMI?
> 
> Thanks.

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