[cfe-commits] [llvm-commits] The AArch64 LLVM (& Clang) target

[Eric Christopher]

Hi Tim!


> Definitely. It's very important to us that this backend should become
> an accepted "don't break it" target as quickly as possible, which
> means we need it to be well-tested with a quick turnaround at every
> commit.
>
>
Glad you've thought about it :)


> We're still looking into options. Since models run at about 100 MIPS
> on a good day, the usual native build probably won't be viable until
> real hardware comes. But we do plan to setup "virtual" bots quickly.
>
> I personally favour: build an AArch64-native Clang on x86; dispatch an
> llvm-regression run and a clang-regression run to models (each takes
> ~5 hours).
>
> Alternatives might involve the llvm testsuite (> 1 day, probably not
> useful). Or SPEC runs (similar times, but even more difficult for
> others to investigate when it breaks; possible licensing issues
> anyway).
>
>
Any/all of these sound great. And yes, real hardware sounds like it will
be a first step to the faster turnaround you'd like. Getting something
set up in short order after committing sounds like a good first start.

Thanks!

-eric
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