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Mirror of https://github.com/RPCS3/llvm-mirror
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4e944b6da4
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Wei Mi 4e944b6da4 [RegisterCoalescing] Remove partial redundent copy. 
The patch is to solve the performance problem described in PR27827.
Register coalescing sometimes cannot remove a copy because of interference.
But if we can find a reverse copy in one of the predecessor block of the copy,
the copy is partially redundent and we may remove the copy partially by moving
it to the predecessor block without the reverse copy.

Differential Revision: https://reviews.llvm.org/D28585

llvm-svn: 292292
2017-01-17 23:39:07 +00:00
bindings Fix go bindings after r289702 (hopefully, don't really know how to build 2016-12-15 06:54:29 +00:00
cmake Enabled -fsanitize-address-use-after-scope for -DLLVM_USE_SANITIZER=Address 2017-01-17 21:04:23 +00:00
docs Fix GettingStarted doc so that the example build command for cmake LLVM_ENABLE_PROJECTS works on linux 2017-01-17 23:23:08 +00:00
examples BrainF example: fixing output buffering issue 2017-01-17 13:27:28 +00:00
include [ADT] Add SparseBitVector::find_last(). 2017-01-17 23:09:21 +00:00
lib [RegisterCoalescing] Remove partial redundent copy. 2017-01-17 23:39:07 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources
runtimes [CMake] Handle common options for runtimes build 2017-01-10 19:47:05 +00:00
test [RegisterCoalescing] Remove partial redundent copy. 2017-01-17 23:39:07 +00:00
tools Remove pid_t usage from llvm-xray 2017-01-17 09:39:31 +00:00
unittests [ADT] Add SparseBitVector::find_last(). 2017-01-17 23:09:21 +00:00
utils Revert r292231. 2017-01-17 18:06:38 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore [AVR] Add the integrated testing tool to the .gitignore 2016-12-14 11:47:14 +00:00
CMakeLists.txt Bump trunk version to 5.0.0svn 2017-01-12 21:22:36 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of IR Linker as discussed on llvm-dev 2016-12-02 14:06:53 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Revert revision 289721. 2016-12-14 21:58:42 +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, deleted empty line at the end of README.txt 2016-11-07 18:31:21 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +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.