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Andrea Di Biagio 9836c47ea6 [X86] Teach the backend how to fold SSE4.1/AVX/AVX2 blend intrinsics.
Added target specific combine rules to fold blend intrinsics according
to the following rules:
 1) fold(blend A, A, Mask) -> A;
 2) fold(blend A, B, <allZeros>) -> A;
 3) fold(blend A, B, <allOnes>) -> B.

Added two new tests to verify that the new folding rules work for all
the optimized blend intrinsics.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208895 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-15 15:18:15 +00:00
autoconf
bindings [OCaml] Add an ocamlfind package llvm.all_backends. 2014-05-01 21:00:52 +00:00
cmake Disable -Wcomment when building with GCC. 2014-05-06 09:46:06 +00:00
docs Fix typos 2014-05-15 01:52:21 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include Fix typos 2014-05-15 01:52:21 +00:00
lib [X86] Teach the backend how to fold SSE4.1/AVX/AVX2 blend intrinsics. 2014-05-15 15:18:15 +00:00
projects
test [X86] Teach the backend how to fold SSE4.1/AVX/AVX2 blend intrinsics. 2014-05-15 15:18:15 +00:00
tools Unify command line handling of MCTargetOptions and remove extra 2014-05-15 01:10:50 +00:00
unittests Assert that we don't RAUW a Constant with a ConstantExpr that contains it. 2014-05-13 01:23:21 +00:00
utils TableGen: use correct MIOperand when printing aliases 2014-05-15 13:36:01 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.gitignore
CMakeLists.txt [CMake] Add build rules for llvm-PerfectShuffle utility 2014-05-07 16:54:00 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure
CREDITS.TXT Test commit. 2014-04-10 22:25:51 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules autoconf: Fix soname for libLLVM-Major.Minor.so (2nd try) 2014-05-13 19:37:03 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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.