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Sanjay Patel ee1b1c4540 [AVX] Improve insertion of i8 or i16 into low element of 256-bit zero vector Without this patch, we split the 256-bit vector into halves and produced something like: movzwl (%rdi), %eax vmovd %eax, %xmm0 vxorps %xmm1, %xmm1, %xmm1 vblendps $15, %ymm0, %ymm1, %ymm0 ## ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7] Now, we eliminate the xor and blend because those zeros are free with the vmovd: movzwl (%rdi), %eax vmovd %eax, %xmm0 This should be the final fix needed to resolve PR22685: https://llvm.org/bugs/show_bug.cgi?id=22685 llvm-svn: 233941		2015-04-02 20:21:52 +00:00
autoconf	Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310.	2015-04-01 11:46:15 +00:00
bindings	Go bindings: use MDNode::replaceAllUsesWith instead of MDTuple::replaceAllUsesWith.	2015-03-05 22:55:38 +00:00
cmake	Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310.	2015-04-01 11:46:15 +00:00
docs	Fix typo and reword in LangRef	2015-04-02 15:20:04 +00:00
examples	Rework r233647, "llvm/examples: Suppress building a few JIT examples."	2015-03-31 16:41:25 +00:00
include	[opaque pointer type] API migration for GEP constant factories	2015-04-02 18:55:32 +00:00
lib	[AVX] Improve insertion of i8 or i16 into low element of 256-bit zero vector	2015-04-02 20:21:52 +00:00
projects	Reverse the order libc++ and libc++abi are added in CMake.	2015-03-04 01:16:43 +00:00
test	[AVX] Improve insertion of i8 or i16 into low element of 256-bit zero vector	2015-04-02 20:21:52 +00:00
tools	[opaque pointer type] API migration for GEP constant factories	2015-04-02 18:55:32 +00:00
unittests	[opaque pointer type] API migration for GEP constant factories	2015-04-02 18:55:32 +00:00
utils	TableGen: Generate more const goodness	2015-04-01 22:09:55 +00:00
.arcconfig	Updated phabricator server.	2014-04-07 03:57:04 +00:00
.clang-format	Test commit.	2014-03-02 13:08:46 +00:00
.clang-tidy	Enable display of compiler diagnostics in clang-tidy by default.	2014-10-29 17:29:38 +00:00
.gitignore	Ignore compile_commands.json only at the root of the tree.	2015-03-26 18:55:42 +00:00
CMakeLists.txt	CMake: enable installing utils	2015-03-27 16:53:06 +00:00
CODE_OWNERS.TXT	Tom is also responsible for the 3.6 branch.	2015-03-16 18:15:27 +00:00
configure	Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310.	2015-04-01 11:46:15 +00:00
CREDITS.TXT	Rise from the dead and update personal info	2014-08-25 17:51:04 +00:00
LICENSE.TXT	Update for a new year.	2015-03-12 01:25:29 +00:00
llvm.spec.in
LLVMBuild.txt	Remove the very substantial, largely unmaintained legacy PGO	2013-10-02 15:42:23 +00:00
Makefile	[configure/make] Propagate names of build host tools when making BuildTools	2014-03-25 21:45:41 +00:00
Makefile.common	Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables .	2012-12-07 01:43:23 +00:00
Makefile.config.in	Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310.	2015-04-01 11:46:15 +00:00
Makefile.rules	Add support for SunOS function/data sections and associated	2015-03-03 20:54:29 +00:00
README.txt	Revert test commit at revision 233535.	2015-03-30 12:39:03 +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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.