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Old fork of llvm-mirror, used on older RPCS3 builds
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Roman Tereshin e55b052e03 [GlobalISel][Legalizer] Look thro copies while combining G_UNMERGE's 
As we're becoming stricter w/ respect to not allowing vregs having LLTs
and regclasses assigned both mid-globalisel pipeline, the number of
extra copies grows, some of which separate G_UNMERGE's from their
corresponding G_MERGE's, becoming a performance concern.

It's worth mentioning that we're already looking through copies while
combining legalization artifacts for every kind of artifact but
G_UNMERGE.

Reviewed By: aditya_nandakumar

Reviewers: ab, t.p.northover, volkan, javed.absar

Subscribers: rovka, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D45644


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330660 91177308-0d34-0410-b5e6-96231b3b80d8
2018-04-23 22:28:36 +00:00
bindings [LLVM-C] DIBuilderBindings for Subrange and Arrays 2018-04-23 14:29:33 +00:00
cmake [cmake] Improve pthread_[gs]etname_np detection code 2018-04-18 13:13:27 +00:00
docs [doc] Removed obsolete -count-aa from AliasAnalysis documentation 2018-04-23 13:45:28 +00:00
examples [ORC] Create a new SymbolStringPool by default in ExecutionSession constructor. 2018-04-02 20:57:56 +00:00
include [GlobalISel][Legalizer] Look thro copies while combining G_UNMERGE's 2018-04-23 22:28:36 +00:00
lib [X86] Remove unnecessary BMI2 InstRW overrides. 2018-04-23 22:19:55 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake][runtimes] Process common options in runtimes build 2018-04-11 05:18:03 +00:00
test [GlobalISel][Legalizer] Look thro copies while combining G_UNMERGE's 2018-04-23 22:28:36 +00:00
tools [LLVM-C] DIBuilderBindings for Subrange and Arrays 2018-04-23 14:29:33 +00:00
unittests Revert "Revert r330403 and r330413." 2018-04-20 13:34:32 +00:00
utils [X86] Revert r330638 - accidental commit 2018-04-23 20:05:51 +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
.gitattributes [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [llvm-exegesis] Add a flag to disable libpfm even if present. 2018-04-11 07:32:43 +00:00
CODE_OWNERS.TXT [CODE_OWNERS] Update my email address. 2018-04-23 19:09:49 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2018-01-29 17:02:34 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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.