[PATCH] D31943: [Support] - Implemented zlib::StreamCompression class.

[David Blaikie via llvm-commits]

On Tue, Apr 11, 2017 at 9:47 AM Rui Ueyama via Phabricator <
reviews at reviews.llvm.org> wrote:

> ruiu added a comment.
>
> I wonder why you want a streaming compression support to write compressed
> .debug sections. All you need is to call zlib's `compress2` only once for
> each section, no?
>

Potentially to avoid having to manifest the entire output section in a
single buffer in memory first (eg: if you're compressing 3 chunks from
input objects together into the final output section - you can avoid the
intermediate buffer/copying/etc, by passing the chunk from each input
object in to a streaming compression device). At least that's what I'd use
this for in llvm-dwp.


>
>
> https://reviews.llvm.org/D31943
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