[PATCH] D111386: RFC: [Hexagon] Mark target as not "machine verifier clean"

Fri Oct 8 03:22:05 PDT 2021

foad added a comment.

In D111386#3050227 <https://reviews.llvm.org/D111386#3050227>, @MatzeB wrote:

> I wonder if hexagon could just do `MachineRegisterInfo::invalidateLiveness` to solve things, or if there's other issues.

Since writing this patch I have noticed that it's not just Hexagon, there are also problems in the AMDGPU target.

> Short of that, how about adding a `bool FailsVerification;` to the MachineFunction that target passes could set to skip further verification? That way hexagon could still keep verification enabled for earlier passes.

How about D111397 <https://reviews.llvm.org/D111397>?

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https://reviews.llvm.org/D111386