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Mirror of https://github.com/RPCS3/llvm-mirror
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Nikita Popov 8bf924114e [BasicAA] Use index difference to detect GEPs with identical indexes 
We currently detect GEPs that have exactly the same indexes by
comparing the Offsets and VarIndices. However, the latter implicitly
performs equality comparisons between two values, which is not
generally legal inside BasicAA, due to the possibility of comparisons
across phi cycles.

I believe that in this particular instance this actually ends up being
unproblematic, at least I wasn't able to come up with any cases that
could result in an incorrect root query result.

In the interest of being defensive, compute GetIndexDifference earlier
(which knows how to handle phi cycles properly) and use the result of
that to determine whether the offsets are identical.
2021-02-14 17:11:03 +01:00
benchmarks
bindings [Go] Fix bindings/go/llvm/IRBindings.cpp 2020-12-16 10:09:58 -08:00
cmake Support multi-configuration generators correctly in several config files 2021-02-11 09:32:20 -08:00
docs [LangRef] Update memory access ops to raise UB if ptrs are not well defined 2021-02-13 14:13:19 +09:00
examples [Draft] [examples] Move llvm/examples/OCaml-Kaleidoscope/ to llvm-archive 2021-02-11 06:52:24 +05:30
include [BasicAA] Use index difference to detect GEPs with identical indexes 2021-02-14 17:11:03 +01:00
lib [BasicAA] Use index difference to detect GEPs with identical indexes 2021-02-14 17:11:03 +01:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [CMake] Split the target side of runtimes build 2021-01-11 23:39:36 -08:00
test [ValueTracking] Dereferenced pointers are noundef 2021-02-14 22:50:48 +09:00
tools [llvm-objcopy] preserve file ownership when overwritten by root 2021-02-12 18:01:43 -08:00
unittests [RGT][GlobalIsel] Add missing setUp() calls to legalizer unittests 2021-02-12 10:45:48 -08:00
utils [TableGen] Use ListSeparator (NFC) 2021-02-13 20:41:36 -08:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.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 [Timer] On macOS count number of executed instructions 2021-02-11 17:26:37 +01:00
CODE_OWNERS.TXT Change XCore code owner. 2021-01-14 12:13:48 +00:00
configure
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
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If you are writing a package for LLVM, see docs/Packaging.rst for our
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