tree 4fb551b02e370f84ca7cdc24c53ef436880e1fc4
parent 2fba1ce3d7ec5c0e2df8c332536f683af830e6fc
author Rong Xu <xur@google.com> 1613501618 -0800
committer Copybara-Service <copybara-worker@google.com> 1613732040 -0800

[SampleFDO][NFC] Refactor SampleProfile.cpp

Refactor SampleProfile.cpp to use the core code in CodeGen.
The main changes are:
(1) Move SampleProfileLoaderBaseImpl class to a header file.
(2) Split SampleCoverageTracker to a head file and a cpp file.
(3) Move the common codes (common options and callsiteIsHot())
to the common cpp file.

Differential Revision: https://reviews.llvm.org/D96455

GitOrigin-RevId: 310b35304cdf5a230c042904655583c5532d3e91