Stream: git-wasmtime

Topic: wasmtime / issue #5125 cranelift: Remove `copy` instruction

view this post on Zulip Wasmtime GitHub notifications bot (Oct 25 2022 at 21:06):

bjorn3 commented on issue #5125:

It may be useful in the future for handling value debuginfo to denote the start of the lifetime of a variable.

view this post on Zulip Wasmtime GitHub notifications bot (Oct 25 2022 at 21:12):

fitzgen commented on issue #5125:

It may be useful in the future for handling value debuginfo to denote the start of the lifetime of a variable.

I'd rather remove it for now and if we have some use case for something like debug info lifetimes we can make a purpose-built solution for that rather than trying to fit it into the shape of something that is vestigial and designed for a completely different purpose.

view this post on Zulip Wasmtime GitHub notifications bot (Oct 25 2022 at 21:13):

fitzgen commented on issue #5125:

But it seems that both of those are no longer true, right?

That's correct. This instruction is from two regallocs ago, sigh.

Last updated: Dec 23 2024 at 12:05 UTC