[PATCH] D20993: [lit] Add support for PGO profile and code coverage collection
Vedant Kumar via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 6 10:55:41 PDT 2016
vsk added a comment.
Some of the discussion moved onto the mailing list and Phab couldn't pick up the comments.
The TL;DR: The plan is to add in-process raw profile merging support to compiler-rt. In fact, David has already added the basic mandatory file-locking constructs we'll need (see r271864). Apart from bringing general usability improvements, this will let us trim this patch down significantly.
http://reviews.llvm.org/D20993
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