[PATCH] D136078: [RFC] Use-after-return binary metadata.

[Dmitry Vyukov via Phabricator via llvm-commits]

dvyukov added a comment.

Unrelated, but looking at the metadata format more closely, I think this can benefit from LEB128-like varlen encoding.
Function size is small.
Features are very small.
Stack args size is small.
Function start (if we encode it from the end of the previous one) is very small as well.
So potentially it can reduce the entry size from 16 bytes to just 4.
I am just thinking if we use 10x more metadata in future, the size can grow from percents of binary to tens of percents.


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  https://reviews.llvm.org/D136078/new/

https://reviews.llvm.org/D136078