[llvm-dev] shl

[Craig Topper via llvm-dev]

That stands for "shift left". Shift right is sra for arithmetic shift right
and srl for logical shift right. Not sure why we don't use ashr and lshr
like IR. Instead we seem to be using the X86 mnemonic names.

~Craig


On Wed, May 15, 2019 at 1:03 PM Josh Sharp via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
> I got a question about the SDNode "shl"
>
> def shl        : SDNode<"ISD::SHL"       , SDTIntShiftOp>;
>
> Does it stand for "shift logical" and in what direction does it shift?
> How to shift in the other direction?
>
> Thanks.
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