[MsgPack] New MsgPackDocument class
Summary:
A class that exposes a simple in-memory representation of a document of
MsgPack objects, that can be read from and written to MsgPack, read from
and written to YAML, and inspected and modified in memory. This is
intended to be a lighter-weight (in terms of memory allocations)
replacement for MsgPackTypes.
Two subsequent changes will:
1. switch AMDGPU HSA metadata to using MsgPackDocument instead of
MsgPackTypes;
2. add MsgPack AMDGPU PAL metadata via MsgPackDocument.
Differential Revision: https://reviews.llvm.org/D57023
Change-Id: Ie15a054831d5a6467c5867c064c8f8f6b80270e1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356080
91177308-0d34-0410-b5e6-
96231b3b80d8
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