[LLVMdev] Instruction Conversion

[Rotem Varon]

yes, thank you for your quick reply.

On Sat, May 9, 2009 at 10:38 PM, John Criswell <criswell at uiuc.edu> wrote:

> Rotem Varon wrote:
> > Hi,
> >
> > Let say i am writing a code inside basic block pass and iterating all
> > the instructions inside,
> > and i encountered in this instruction :
> If you're asking how to get the operands of an Instruction, use the
> getOperand() method:
>
> Value * Operand1 = I->getOperand(0);
> Value * Operand2 = I->getOperand(1);
>
> The LLVM doxygen documentation (http://llvm.org/doxygen/) is an
> invaluable resource.  You may also want to read the Programmer's Guide
> (http://llvm.org/docs/ProgrammersManual.html).
>
> Does this answer your question?
>
> -- John T.
>
> >
> > %3 = add i32 %1, 2
> >
> > I want to convert this instruction to something like this:
> >
> > add R1, 2, R3
> >
> > I know the opocode, but i what i need is, the operands %1 and 2 (in
> > this example).
> >
> > I will be grateful if some one will tell me how to do so .
>
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