Wei Mi be9073249e [SampleFDO] Add ExtBinary format to support extension of binary profile. ...

This is a patch split from https://reviews.llvm.org/D66374. It tries to add
a new format of profile called ExtBinary. The format adds a section header
table to the profile and organize the profile in sections, so the future
extension like adding a new section or extending an existing section will be
easier while keeping backward compatiblity feasible.

Differential Revision: https://reviews.llvm.org/D66513

llvm-svn: 369798

2019-08-23 19:05:30 +00:00

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