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Sanjay Patel 83681af5d9 [InstCombine] form uaddsat from add+umin (PR14613) 
This is the last step towards solving the examples shown in:
https://bugs.llvm.org/show_bug.cgi?id=14613

With this change, x86 should end up with psubus instructions
when those are available.

All known codegen issues with expanding the saturating intrinsics
were resolved with:
D59006 / rL356855

We also have some early evidence in D58872 that using the intrinsics
will lead to better perf. If some target regresses from this, custom
lowering of the intrinsics (as in the above for x86) may be needed.

llvm-svn: 357012
2019-03-26 17:50:08 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [bindings/go] Fix building on 32-bit systems (ARM etc.) 2019-02-16 22:33:10 +00:00
cmake Moved everything SMT-related to LLVM and updated the cmake scripts. 2019-03-25 17:47:45 +00:00
docs Test commit: fix typo 2019-03-26 15:26:15 +00:00
examples [Kaleidoscope] Fix symbol resolver to search in reverse order. 2019-02-21 16:53:04 +00:00
include [MCA] Correctly update the UsedResourceGroups mask in the InstrBuilder. 2019-03-26 15:38:37 +00:00
lib [InstCombine] form uaddsat from add+umin (PR14613) 2019-03-26 17:50:08 +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 [runtime] Use --strip-all rather than --strip-sections 2019-03-10 04:26:54 +00:00
test [InstCombine] form uaddsat from add+umin (PR14613) 2019-03-26 17:50:08 +00:00
tools [llvm-exegesis] Allow the target to disable the selection of some registers. 2019-03-26 15:44:57 +00:00
unittests [llvm-exegesis] Allow the target to disable the selection of some registers. 2019-03-26 15:44:57 +00:00
utils merge-request.sh: Update 8.0 metabug for 8.0.1 2019-03-25 17:01:29 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.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 Moved everything SMT-related to LLVM and updated the cmake scripts. 2019-03-25 17:47:45 +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 [NFC] Add to contributor list. 2019-02-26 05:46:45 +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
suggestions.