llvm dev - Jan 2014 - [LLVMdev] How are OutputOperandList and InputOperandList used?

I saw many definitions derived from Instruction defines OutputOperandList
and InputOperandList (usually in the xxxInstrFormats.td), but I don't see
where they are referenced. Anything I missed here?

Thanks,
-Thomson
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Hi Thomson,

On 12 January 2014 15:29, Thomson <lilotom at gmail.com>
wrote:
> I saw many definitions derived from Instruction defines OutputOperandList
> and InputOperandList (usually in the xxxInstrFormats.td), but I don't
see
> where they are referenced. Anything I missed here?
Do you mean InOperandList and OutOperandList? They're used by TableGen
for many of its automatically generated code fragments (all three of
asm parsing, disassembly, codegen). The place to look for uses is
utils/TableGen/*.cpp.

Cheers.

Tim.

Thanks Tim. You are right and sorry for my typo. Another related question
is some sub-instruction class override it by let expression, as `let
InOperanList=ins` and some others seem redeclare it, such as `dag
InOperandList = ins`. What's the different between these 2 usages?

Thanks,
-Thomson


On Mon, Jan 13, 2014 at 6:37 PM, Tim Northover <t.p.northover at
gmail.com>wrote:
> Hi Thomson,
>
> On 12 January 2014 15:29, Thomson <lilotom at gmail.com> wrote:
> > I saw many definitions derived from Instruction defines
OutputOperandList
> > and InputOperandList (usually in the xxxInstrFormats.td), but I
don't see
> > where they are referenced. Anything I missed here?
>
> Do you mean InOperandList and OutOperandList? They're used by TableGen
> for many of its automatically generated code fragments (all three of
> asm parsing, disassembly, codegen). The place to look for uses is
> utils/TableGen/*.cpp.
>
> Cheers.
>
> Tim.
>
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