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Sander de Smalen e1e23467af Change semantics of fadd/fmul vector reductions. 
This patch changes how LLVM handles the accumulator/start value
in the reduction, by never ignoring it regardless of the presence of
fast-math flags on callsites. This change introduces the following
new intrinsics to replace the existing ones:

  llvm.experimental.vector.reduce.fadd -> llvm.experimental.vector.reduce.v2.fadd
  llvm.experimental.vector.reduce.fmul -> llvm.experimental.vector.reduce.v2.fmul

and adds functionality to auto-upgrade existing LLVM IR and bitcode.

Reviewers: RKSimon, greened, dmgreen, nikic, simoll, aemerson

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D60261

llvm-svn: 363035
2019-06-11 08:22:10 +00:00
benchmarks
bindings [bindings/go] Add wrappers for atomic operations. 2019-06-09 10:06:35 +00:00
cmake Build with _XOPEN_SOURCE defined on AIX 2019-06-07 15:45:25 +00:00
docs Change semantics of fadd/fmul vector reductions. 2019-06-11 08:22:10 +00:00
examples Add a HowToUseLLJIT example project. 2019-05-22 21:38:41 +00:00
include Change semantics of fadd/fmul vector reductions. 2019-06-11 08:22:10 +00:00
lib Change semantics of fadd/fmul vector reductions. 2019-06-11 08:22:10 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test Change semantics of fadd/fmul vector reductions. 2019-06-11 08:22:10 +00:00
tools Symbolize: Make DWPName a symbolizer option instead of an argument to symbolize{,Inlined}Code. 2019-06-11 02:32:27 +00:00
unittests Revert CMake: Make most target symbols hidden by default 2019-06-11 03:21:13 +00:00
utils Revert CMake: Make most target symbols hidden by default 2019-06-11 03:21:13 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes
.gitignore [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt Build with _XOPEN_SOURCE defined on AIX 2019-06-07 15:45:25 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT [test commit] Add my name to the CREDITS.TXT 2019-05-27 07:48:28 +00:00
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 Testing commit access 2019-02-19 20:38:51 +00:00
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
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