[PATCH] D126771: [fastalloc] Support allocate specific register class in fastalloc.

Thu Jun 23 05:14:52 PDT 2022

LuoYuanke added a comment.

In D126771#3604566 <https://reviews.llvm.org/D126771#3604566>, @thakis wrote:

> This also broke check-llvm on macOS: http://45.33.8.238/macm1/37938/step_11.txt (this both is an M1 <https://reviews.llvm.org/M1> mac, not sure if intel vs arm matter).
>
> Please take a look at that too, and revert for now if it takes a while to fix.
>
> (This failure was masked by the check-clang failure. But I locally bisected and verified that it's due to this change, and that locally reverting fixes the check-llvm failure.)

I don't have macOS environment, but from the log it seems some virtual register don't have a register class. Is there any full calltrace for the failure?

Repository:
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  https://reviews.llvm.org/D126771/new/

https://reviews.llvm.org/D126771