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Simon Pilgrim 911bcb3c53 [X86][SSE] Improve UINT_TO_FP v2i32 -> v2f64 
Vectorize UINT_TO_FP v2i32 -> v2f64 instead of scalarization (albeit still on the SIMD unit).

The codegen matches that generated by legalization (and is in fact used by AVX for UINT_TO_FP v4i32 -> v4f64), but has to be done in the x86 backend to account for legalization via 4i32.

Differential Revision: https://reviews.llvm.org/D26938

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287886 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-24 15:12:56 +00:00
bindings Fix go binding to adapt the new attribute API 2016-11-18 10:11:02 +00:00
cmake [CMake] Apply sandbox profile to target not directory 2016-11-19 01:32:09 +00:00
docs Fix doc of llvm.bitreverse.iN 2016-11-23 16:25:31 +00:00
examples ExceptionDemo: remove some undefined behaviour 2016-11-20 02:36:38 +00:00
include [CommandLine] Remove redundant initializers for StringRef members 2016-11-24 08:54:05 +00:00
lib [X86][SSE] Improve UINT_TO_FP v2i32 -> v2f64 2016-11-24 15:12:56 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +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 [CMake] Make the runtimes directory work with bootstrap builds 2016-10-19 21:50:25 +00:00
test [X86][SSE] Improve UINT_TO_FP v2i32 -> v2f64 2016-11-24 15:12:56 +00:00
tools Object: Add IRObjectFile::getTargetTriple(). 2016-11-24 01:13:09 +00:00
unittests [PM] Change the static object whose address is used to uniquely identify 2016-11-23 17:53:26 +00:00
utils TableGen: Allow signed immediates for instruction aliases 2016-11-24 08:53:28 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: ignore VS Code editor files 2016-09-02 22:54:26 +00:00
CMakeLists.txt Add an option to disable libedit 2016-11-18 01:25:49 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the X86 backend. 2016-11-12 05:16:06 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Give SLP vectorizer credit where it's due. 2016-11-14 19:01:59 +00:00
LICENSE.TXT Remove autoconf references from LICENSE.TXT 2016-08-12 20:11:03 +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 Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Test commit, deleted empty line at the end of README.txt 2016-11-07 18:31:21 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +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.