[llvm-dev] [RFC] Eliminating non-IR floating-point controls in the selection DAG

Renato Golin via llvm-dev llvm-dev at lists.llvm.org
Sat Oct 30 08:40:51 PDT 2021

On Sat, 30 Oct 2021 at 16:01, Wang, Pengfei <pengfei.wang at intel.com> wrote:

> I think the use of target option simply owe to the fact that DAG and other
> backend passes always lose the FMFs during transformation in the past.

Ah! That's an interesting piece of information! And exacerbates Eric's
original comment.

At which level is that information lost?

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