[llvm-dev] status on NewGVN?

Daniel Berlin via llvm-dev llvm-dev at lists.llvm.org
Fri Jan 5 20:53:50 PST 2018

On Fri, Jan 5, 2018 at 8:39 PM, Andrew Kelley via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Greetings,
> I just found a bug in NewGVN: https://bugs.llvm.org/show_bug.cgi?id=35839

I suspect this is a dupe of one of the three bugs we know about.

> I noticed that it's off by default in clang.
> Yup.

I'm going to turn it off by default in zig too, since it has a bug.
> Every pass in LLVM has bugs :)

> What's the current status? Are we trying to move towards using it by
> default in llvm 6.0.0? 7.0.0?
I was the main contributor. I took on a new role and no longer have time to
push on it, and i don't suspect i will for at least 6-8 months, if not
I suspect at some point it will become important enough for someone else to
push on it again.
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