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2070941892
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Ahmed Bougacha 2070941892 [X86] Don't generate vbroadcasti128 for v4i64 splats from memory. 
We used to erroneously match:
    (v4i64 shuffle (v2i64 load), <0,0,0,0>)

Whereas vbroadcasti128 is more like:
    (v4i64 shuffle (v2i64 load), <0,1,0,1>)

This problem doesn't exist for vbroadcastf128, which kept matching
the intrinsic after r231182.  We should perhaps re-introduce the
intrinsic here as well, but that's a separate issue still being
discussed.

While there, add some proper vbroadcastf128 tests.  We don't currently
match those, like for loading vbroadcastsd/ss on AVX (the reg-reg
broadcasts where added in AVX2).

Fixes PR23886.

llvm-svn: 240488
2015-06-24 00:07:16 +00:00
autoconf [autoconf] Detect OLE32 for mingw. 2015-06-18 04:16:05 +00:00
bindings Update LLVM bindings after r239940. Apparently these aren't included in 2015-06-18 11:51:16 +00:00
cmake Support Solaris unused sections' gc link syntax. 2015-06-22 15:06:17 +00:00
docs docs: Update allowed values for LLVM_USE_SANITIZER 2015-06-22 18:55:46 +00:00
examples Simplify the Mangler interface now that DataLayout is mandatory. 2015-06-23 13:59:29 +00:00
include Remove unused GlobalVariable::replaceUsesOfWithOnConstant. NFC. 2015-06-24 00:05:07 +00:00
lib [X86] Don't generate vbroadcasti128 for v4i64 splats from memory. 2015-06-24 00:07:16 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +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] Don't generate vbroadcasti128 for v4i64 splats from memory. 2015-06-24 00:07:16 +00:00
tools Add "-mcpu=" option to llvm-rtdyld 2015-06-23 22:52:19 +00:00
unittests ADT: Add a string APSInt constructor. 2015-06-23 18:22:10 +00:00
utils Pass 2 more variables to lit tests. 2015-06-23 20:57:26 +00:00
.arcconfig
.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 Do not pass -allow-shlib-undefined to the Solaris linker. 2015-06-22 18:24:01 +00:00
CODE_OWNERS.TXT Added Andrey Churbanov as the owner of the OpenMP runtime library code 2015-05-05 20:17:53 +00:00
configure [autoconf] Detect OLE32 for mingw. 2015-06-18 04:16:05 +00:00
CREDITS.TXT
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Deprecate in-source autotools builds 2015-05-04 02:04:54 +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.