[PATCH] D142556: [DebugInfo] Merge partially matching chains of inlined locations

David Blaikie via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Feb 5 18:10:33 PST 2023


dblaikie added a comment.

In D142556#4105194 <https://reviews.llvm.org/D142556#4105194>, @djtodoro wrote:

> In D142556#4103178 <https://reviews.llvm.org/D142556#4103178>, @dblaikie wrote:
>
>> Numbers look fairly good - wonder if you could get this run through the LLVM perf tracker to get some more stable/precise numbers?
>> & any chance you could use something like bloaty ( https://github.com/google/bloaty ) or by hand comparison on a per-section basis on the clang binary? Getting a sense of, specifically, how much bigger this makes .debug_info (but any incidental changes to other sections too) might be helpful
>
> I feel like mentioning “llvm-dwarfdump --show-section-sizes“ :)

Indeed - I usually use `llvm-objdump -h` when I just want section sizes (it's useful to have the DWARF ones in the context of the others, even if sometimes I'm interested only in the change in DWARF sections). - but the think that I find especially useful about Bloaty is the comparison mode - showing per section % changes and overall % changes, etc.


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