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Mirror of https://github.com/RPCS3/llvm-mirror
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Roman Lebedev baf51c46e0 [NFC][InstSimplify] Add tests for shl nuw C, %x -> C fold. 
%r = shl nuw i8 C, %x

As per langref: If the nuw keyword is present, then the shift produces
                a poison value if it shifts out any non-zero bits.
Thus, if the sign bit is set on C, then %x can only be 0,
which means that %r can only be C.

https://rise4fun.com/Alive/WMk
Was mentioned in D47428 review.

llvm-svn: 334200
2018-06-07 14:18:38 +00:00
bindings [LLVM-C] [OCaml] Remove LLVMAddBBVectorizePass 2018-05-28 16:58:10 +00:00
cmake [CMake] Pass additional CMake tools to external projects 2018-06-06 21:43:37 +00:00
docs Added documentation for Masked Vector Expanding Load and Compressing Store Intrinsics 2018-06-06 09:11:46 +00:00
examples [ORC] Update JITCompileCallbackManager to support multi-threaded code. 2018-05-30 01:57:45 +00:00
include [llvm-objdump] Add -R option 2018-06-07 13:30:55 +00:00
lib [PowerPC] avoid unprofitable Repl32 flag in BitPermutationSelector 2018-06-07 13:21:14 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake] Pass additional CMake tools to external projects 2018-06-06 21:43:37 +00:00
test [NFC][InstSimplify] Add tests for shl nuw C, %x -> C fold. 2018-06-07 14:18:38 +00:00
tools [llvm-exegesis] Make BenchmarkRunner handle multiple configurations. 2018-06-07 14:00:29 +00:00
unittests [llvm-exegesis] Improve error reporting. 2018-06-07 07:51:16 +00:00
utils [X86] Rename vy512mem->vy512xmem and vz256xmem->vz256mem. 2018-06-06 19:15:12 +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 .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [cmake] Add a switch to enable/disable bindings. 2018-05-20 08:37:54 +00:00
CODE_OWNERS.TXT [CODE_OWNERS] Update my email address. 2018-04-23 19:09:49 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my information in the CREDITS file. 2018-05-23 14:44:42 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +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
README.txt Update the project name in README.txt 2018-06-06 11:15:54 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +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.