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Mirror of https://github.com/RPCS3/llvm-mirror
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Qiu Chaofan 53d9081fa4 [NFC] [PowerPC] Remove dead code in BUILD_VECTOR peephole 
The piece of code tries to use splat+shift to lower build_vector with
repeating bit pattern. And immediate field of vector splat is only 5
bits (-16~15). It iterates over them one by one to find which
shifts/rotates to number in build_vector.

This patch removes code to try matching constant with algebraic
right-shift because that's meaningless - any negative number's algebraic
right-shift won't produce result smaller than itself. Besides, code
(int)((unsigned)i >> j) means logical shift-right in C.

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D93937
2021-01-05 11:35:00 +08:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [Go] Fix bindings/go/llvm/IRBindings.cpp 2020-12-16 10:09:58 -08:00
cmake [PowerPC] Add the LLVM triple for powerpcle [1/5] 2021-01-02 12:17:22 -06:00
docs [docs] Release notes for IsDecl in DIModule. 2021-01-04 07:03:34 -05:00
examples [NFC] Reduce include files dependency and AA header cleanup (part 2). 2020-12-17 14:04:48 +03:00
include [NFC] Add the getSizeInBytes() interface for MachineConstantPoolValue 2021-01-05 03:22:45 +00:00
lib [NFC] [PowerPC] Remove dead code in BUILD_VECTOR peephole 2021-01-05 11:35:00 +08:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [OpenMP] Fixed the issue that CMake variables for OpenMP were not passed through when building OpenMP with LLVM_ENABLE_RUNTIMES 2020-12-20 18:40:12 -05:00
test [NFC] [PowerPC] Update vec_constants test to reflect more patterns 2021-01-05 11:29:08 +08:00
tools [NewPM][AMDGPU] Port amdgpu-always-inline 2021-01-04 12:27:01 -08:00
unittests [ValueTracking] isGuaranteedNotToBePoison should return true on undef 2021-01-05 06:50:02 +09:00
utils [UpdateTestChecks] Fix PowerPC RE to support AIX assembly 2021-01-05 10:28:00 +08:00
.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 Remove Python2 fallback and only advertise Python3 in the doc 2020-12-17 15:40:16 +01:00
CODE_OWNERS.TXT [CODE_OWNERS.TXT] Update to include yours truly as the TableGen owner 2020-11-12 09:49:00 -05:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT [NFC] Add contributors names to CREDITS.TXT 2020-10-07 13:22:55 -04:00
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
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.