spatel added a comment.

In D93586#2467248 <https://reviews.llvm.org/D93586#2467248>, @aqjune wrote:

>> There are 792 files in llvm/test, most of which are in test/Transform (119) 
>> and test/CodeGen(655).
>> The transition will be swiftly done (if there's no other issue hopefully) by 
>> the next weekend.
>
> Thinking about these again, do we need to make a poison copy for 
> test/CodeGen? I don't think so, since the backend won't be changed anyway.

It would be good to update those for consistency; the codegen tests are 
supposed to be representative of what comes out of the IR optimizer. IIUC, we 
could do the substitution on those files already, and it would not change 
anything. But let's sort out the IR changes first?

In D93586#2466284 <https://reviews.llvm.org/D93586#2466284>, @aqjune wrote:

> My concern is that some tests aren't using `utils/update_test_checks.py`, and 
> this makes things complicated. :(
> Simply replacing `insertelement undef` at `CHECK:` isn't enough (ex: 
> Transforms/SLPVectorizer/X86/alternate-cast.ll).

Yes, tests that don't have scripted CHECK lines require more work to 
understand. That SLP test file is scripted though. Is there another problem 
with that one?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93586/new/

https://reviews.llvm.org/D93586

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