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Simon Pilgrim e18e966ef1 [X86][AVX] Prefer VPBLENDW+VPBLENDD to VPBLENDVB for v16i16 blend shuffles 
Noticed while looking at D49562 codegen - we can avoid a large constant mask load and a slow VPBLENDVB select op by using VPBLENDW+VPBLENDD instead.

TODO: As discussed on the patch, we should investigate adding VPBLENDVB handling to target shuffle combining as well, that will allow us to extend this to VPBLENDW+VPBLENDW+VPBLENDD.

Differential Revision: https://reviews.llvm.org/D50074

llvm-svn: 340913
2018-08-29 10:51:08 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [AArch64] Add Tiny Code Model for AArch64 2018-08-22 11:31:39 +00:00
cmake Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
docs [benchmark] NFC: Turn benchmark ON on all non-Windows buildbots 2018-08-29 08:59:36 +00:00
examples [ORC] Update JITCompileCallbackManager to support multi-threaded code. 2018-05-30 01:57:45 +00:00
include [SelectionDAG] Remove masked_gather/scatter from TargetSelectionDAG.td. 2018-08-29 04:45:33 +00:00
lib [X86][AVX] Prefer VPBLENDW+VPBLENDD to VPBLENDVB for v16i16 blend shuffles 2018-08-29 10:51:08 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [X86][AVX] Prefer VPBLENDW+VPBLENDD to VPBLENDVB for v16i16 blend shuffles 2018-08-29 10:51:08 +00:00
tools [llvm-mca] Remove unused formal. NFC. 2018-08-29 00:41:04 +00:00
unittests [GISel]: Add legalization support for Widening UADDO/USUBO 2018-08-29 03:17:08 +00:00
utils Remove debug code accidently committed in rL340837. NFCI. 2018-08-29 10:10:58 +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 .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [benchmark] NFC: Turn benchmark ON on all non-Windows buildbots 2018-08-29 08:59:36 +00:00
CODE_OWNERS.TXT Add owner for llvm-objcopy 2018-08-09 22:05:19 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my information in the CREDITS file. 2018-06-15 20:02:11 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
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 Test commit: remove a blank line 2018-06-08 21:21:55 +00:00
RELEASE_TESTERS.TXT Remove myself from the release testers list. (NFC) 2018-06-20 21:25:50 +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.