llvm dev - Feb 2019 - Question about BuildMI()

Hi,
Let's assume I have an instruction INSTR that takes 3 operands

def INSTR : F_R<0b001010,(outs Regs:$rd) , (ins Regs:$rb, Regs:$ra), ... >

and build this instruction in my code

BuildMI(MB,II,dl, TII.get(INSTR)).add(Ops[0]).add(Ops[1]).add(Ops[2]);

Which Ops element corresponds to which operand?

Is it Ops[0] -> rd, Ops[1] -> rb, Ops[2] -> ra ?
>From MachineInstrBuilder::add() implementation in MachineInstrBuilder.h, I
can't tell for sure where the MO argument goes.
Thanks
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On Wed, 20 Feb 2019 at 15:36, Josh Sharp via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Which Ops element corresponds to which operand?
>
> Is it Ops[0] -> rd, Ops[1] -> rb, Ops[2] -> ra ?
That's right. It's left to right, starting with (outs), then (ins).
After that are any implicit operands not declared in the instruction.

Cheers.


Tim.