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Wenlei He 9ba54f747b SVML support for log2 
Although LLVM supports vectorization of loops containing log2, it did not support using SVML implementation of it. Added support so that when clang is invoked with -fveclib=SVML now an appropriate SVML library log2 implementation will be invoked.

Follow up on: https://reviews.llvm.org/D77114

Tests:
Added unit tests to svml-calls.ll, svml-calls-finite.ll. Can be run with llvm-lint.
Created a simple c++ file that tests log2, and used clang+ to build it, and output final assembly.

Reviewed By: wenlei, craig.topper

Differential Revision: https://reviews.llvm.org/D86730
2020-09-03 11:52:29 -07:00
benchmarks
bindings [OCaml] Remove add_constant_propagation 2020-08-27 09:30:21 -07:00
cmake [CMake] Use find_library for ncurses 2020-08-31 20:06:21 -07:00
docs Step down from security group 2020-09-03 08:44:27 -07:00
examples [examples] Fix dependencies for OrcV2Examples/LLJITWithThinLTOSummaries. 2020-08-25 11:51:20 -07:00
include SVML support for log2 2020-09-03 11:52:29 -07:00
lib Revert "Add new hidden option -print-changed which only reports changes to IR" 2020-09-03 18:41:20 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [runtimes] Remove TOOLCHAIN_TOOLS specialization 2020-08-24 13:48:29 -07:00
test SVML support for log2 2020-09-03 11:52:29 -07:00
tools [llvm-readelf] - Move a bit of common code to printDynamicRelocHeader(). NFC. 2020-09-03 13:25:11 +03:00
unittests SelectionDAG.h - remove unnecessary FunctionLoweringInfo.h include. NFCI. 2020-09-03 18:33:25 +01:00
utils Revert "[NewPM][Lint] Port -lint to NewPM" 2020-09-02 21:34:29 -07:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore [clangd] Store index in '.cache/clangd/index' instead of '.clangd/index' 2020-07-07 14:53:45 +02:00
CMakeLists.txt [CMake] Remove -Wl,-allow-shlib-undefined which was added in rL221530 2020-09-01 21:13:45 -07:00
CODE_OWNERS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
configure
CREDITS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +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.