salman-javed-nz added a comment.

Thank you very much to both of you for having a look at the patch. Yes, I agree 
it is a large patch, and I could have done a better job splitting it up into 
more manageable chunks.

One reason this change is so big is because I set myself an ambitious target 
for the performance gains I wanted to achieve in this patch. After spending 
more time with the current implementation in `master`/`main`, I began to 
realize how expensive it really is. Others have too, as demonstrated by the 
fact that multiple commits have been made to disable the functionality in 
downstream projects. So wherever I saw a more efficient way of doing things, I 
didn't want to rule out making a change, even if it means parts of the code had 
to be refactored or rewritten.

There is a balance I have to strike between achieving my primary objective and 
minimizing the impact to the code base, and I admit I haven't got it right so 
far. We can discuss where exactly the balance should be, but let me tidy up the 
more egregious instances of unnecessary code first, like the public accessors 
that don't hold their weight that you mentioned.

To make your lives easier, I will address your requested changes as separate 
updates to this patch.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116085/new/

https://reviews.llvm.org/D116085

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