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Francis Visoiu Mistrih fcf99c532d Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 
Add a new serializer, using a binary format based on the LLVM bitstream
format.

This format provides a way to serialize the remarks in two modes:

1) Separate mode: the metadata is separate from the remark entries.
2) Standalone mode: the metadata and the remark entries are in the same
file.

The format contains:

* a meta block: container version, container type, string table,
external file path, remark version
* a remark block: type, remark name, pass name, function name, debug
file, debug line, debug column, hotness, arguments (key, value, debug
file, debug line, debug column)

A string table is required for this format, which will be dumped in the
meta block to be consumed before parsing the remark blocks.

On clang itself, we noticed a size reduction of 13.4x compared to YAML,
and a compile-time reduction of between 1.7% and 3.5% on CTMark.

Differential Revision: https://reviews.llvm.org/D63466

Original llvm-svn: 367364
Revert llvm-svn: 367370

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367372 91177308-0d34-0410-b5e6-96231b3b80d8
2019-07-31 00:13:51 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [IR/DIVar] Add the flag for params that have unmodified value 2019-06-26 11:19:26 +00:00
cmake Remove cmake checks for MSVC 1900 / VS 2013 2019-07-30 22:49:11 +00:00
docs Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 2019-07-31 00:13:51 +00:00
examples [ORC] Add deprecation warnings to ORCv1 layers and utilities. 2019-07-17 16:40:52 +00:00
include Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 2019-07-31 00:13:51 +00:00
lib Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 2019-07-31 00:13:51 +00:00
projects Revert "[libc++] Integrate the PSTL into libc++" 2019-07-19 18:52:46 +00:00
resources
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 2019-07-31 00:13:51 +00:00
tools [dsymutil] Pass LinkOptions by value instead of const ref. 2019-07-30 19:34:26 +00:00
unittests Reland: [Remarks] Add an LLVM-bitstream-based remark serializer 2019-07-31 00:13:51 +00:00
utils gn build: Merge r367364 2019-07-30 23:38:09 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt Remove cmake checks for MSVC 1900 / VS 2013 2019-07-30 22:49:11 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Testing commit access 2019-02-19 20:38:51 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.