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Craig Topper 2f065dbf77 [InlineCost] Don't add the soft float function call cost for the fneg idiom, fsub -0.0, %x 
Summary: Fneg can be implemented with an xor rather than a function call so we don't need to add the function call overhead. This was pointed out in D62699

Reviewers: efriedma, cameron.mcinally

Reviewed By: efriedma

Subscribers: javed.absar, eraman, hiraditya, haicheng, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62747

llvm-svn: 362304
2019-06-01 19:40:07 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Fix bad go bindings test. 2019-05-31 03:45:11 +00:00
cmake [CMake] Feed BUNDLE_PATH through llvm target wrappers 2019-05-31 17:40:49 +00:00
docs Reapply: IR: add optional type to 'byval' function parameters 2019-05-30 18:48:23 +00:00
examples Add a HowToUseLLJIT example project. 2019-05-22 21:38:41 +00:00
include [MCA][Scheduler] Change how memory instructions are dispatched to the pending set. NFCI 2019-06-01 15:22:37 +00:00
lib [InlineCost] Don't add the soft float function call cost for the fneg idiom, fsub -0.0, %x 2019-06-01 19:40:07 +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 [CMake] Provide an option to use relative paths in debug info 2019-05-31 01:34:51 +00:00
test [InlineCost] Don't add the soft float function call cost for the fneg idiom, fsub -0.0, %x 2019-06-01 19:40:07 +00:00
tools [llvm-objcopy] test commit 2019-06-01 07:36:57 +00:00
unittests [APInt] Add PR40897 test case 2019-06-01 14:58:36 +00:00
utils [X86] Make the X86FoldTablesEmitter functional again. Fix the spacing in the output to make it easier to diff. 2019-06-01 06:20:55 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt Revert r361826, as it still breaks LLDB. 2019-05-28 15:04:39 +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,
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the documentation provided in docs/ for further
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If you are writing a package for LLVM, see docs/Packaging.rst for our
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