[llvm-dev] Selection DAG chain question

Hendrik Greving via llvm-dev llvm-dev at lists.llvm.org
Thu Jul 16 14:00:53 PDT 2020


> No, non-sideeffecting operations can be legalized as compiler-rt calls

Right, but not as "regular" nodes with side-effects? I guess you could
search and analyze the DAG manually but that seems hacky. Maybe something
that one day LLVM could support natively.

On Thu, Jul 16, 2020 at 11:55 AM Matt Arsenault <arsenm2 at gmail.com> wrote:

>
>
> On Jul 16, 2020, at 14:47, Hendrik Greving <hgreving at google.com> wrote:
>
> I think their originating node already has a chain (i.e. mem operand or
> side effect in llvm-ir)
>
>
>
> No, non-sideeffecting operations can be legalized as compiler-rt calls
>
> -Matt
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200716/89819cda/attachment.html>


More information about the llvm-dev mailing list