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Mirror of https://github.com/RPCS3/llvm-mirror
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Simon Pilgrim d62ab3da09 [X86][SSE] Simplify vector LOAD + EXTEND on pre-SSE41 hardware 
Improve vector extension of vectors on hardware without dedicated VSEXT/VZEXT instructions.

We already convert these to SIGN_EXTEND_VECTOR_INREG/ZERO_EXTEND_VECTOR_INREG but can further improve this by using the legalizer instead of prematurely splitting into legal vectors in the combine as this only properly helps for lowering to VSEXT/VZEXT.

Removes a lot of unnecessary any_extend + mask pattern - (Fix for PR25718).

Differential Revision: http://reviews.llvm.org/D17932

llvm-svn: 263303
2016-03-11 22:18:05 +00:00
bindings Kill LLVMAddTargetData 2016-02-16 00:22:02 +00:00
cmake cmake: include what you use 2016-03-08 18:56:00 +00:00
docs Introduce @llvm.experimental.deoptimize 2016-03-11 19:08:34 +00:00
examples [PM] Update Kaleidoscope with the new header file. 2016-03-11 12:10:15 +00:00
include Initialize CalleeInfo to fix bot after r263275 2016-03-11 21:34:45 +00:00
lib [X86][SSE] Simplify vector LOAD + EXTEND on pre-SSE41 hardware 2016-03-11 22:18:05 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
test [X86][SSE] Simplify vector LOAD + EXTEND on pre-SSE41 hardware 2016-03-11 22:18:05 +00:00
tools [ThinLTO] Support for reference graph in per-module and combined summary. 2016-03-11 18:52:24 +00:00
unittests Remove PreserveNames template parameter from IRBuilder 2016-03-11 17:15:50 +00:00
utils Type correct Visual Studio native visualization for PointerUnions 2016-03-11 18:26:47 +00:00
.arcconfig
.clang-format
.clang-tidy adding readability-identifier-naming to llvm clang-tidy configuration. 2015-12-08 17:44:51 +00:00
.gitignore Minor updates to gitignore so that symlinks are ignored in the projects dir. 2015-07-07 20:24:58 +00:00
CMakeLists.txt [CMake] Add test-depends target to build dependencies of check-all 2016-03-02 17:56:30 +00:00
CODE_OWNERS.TXT Add self to CODE_OWNERS 2016-03-08 19:01:15 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT [WebAssembly] Initial WebAssembly backend 2015-06-29 23:51:55 +00:00
LICENSE.TXT
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
README.txt Revert previous test commit. 2016-01-04 19:13:29 +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.