[llvm-dev] Determine callee inside a custom calling convention

[Friedman, Eli via llvm-dev]

On 10/1/2018 8:20 AM, Anna P via llvm-dev wrote:
> Hi,
>
> I am new to LLVM so bear with me if the answer to my question is obvious.
> I am experimenting with a custom calling convention for X86, which I
> hooked up in the tablegen'ed calling convention definition:
>
> bool CC_X86_64_CustomCall(unsigned &ValNo, MVT &ValVT, MVT &LocVT,
>                                                   CCValAssign::LocInfo &LocInfo,
>                                                    ISD::ArgFlagsTy
> &ArgFlags, CCState &State);
>
> Inside this function, how to determine the callee?
>
> With State.getMachineFunction() I only get the caller, but not the callee.

The callee is normally irrelevant.  What are you trying to do?

-Eli

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