[PATCH] D13107: Support for function summary index bitcode sections and files. Includes bitcode reader/writer support for these sections, and support for creation of combined index files.
Teresa Johnson via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 23 10:17:38 PDT 2015
tejohnson created this revision.
tejohnson added reviewers: dexonsmith, davidxl, joker.eph.
tejohnson added a subscriber: llvm-commits.
The bitcode format is described in this document:
For more info on ThinLTO see:
The first customer is ThinLTO, however the data structures are designed
and named more generally based on prior feedback. There are a few
comments regarding how certain interfaces are used by ThinLTO, and the
options added here to gold (and to a separate clang patch which will
be mailed along with this) currently have ThinLTO-specific names as the
behavior they provoke is currently ThinLTO-specific.
This patch includes support for generating per-module function indexes,
the combined index file via the gold plugin, and several tests
(more are included with the associated clang patch).
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