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Mirror of https://github.com/RPCS3/llvm-mirror
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Eli Friedman fcca88a6dc [JumpThreading] Fix handling of aliasing metadata. 
Summary:
The correctness fix here is that when we CSE a load with another load,
we need to combine the metadata on the two loads. This matches the
behavior of other passes, like instcombine and GVN.

There's also a minor optimization improvement here: for load PRE, the
aliasing metadata on the inserted load should be the same as the
metadata on the original load. Not sure why the old code was throwing
it away.

Issue found by inspection.

Differential Revision: http://reviews.llvm.org/D21460

llvm-svn: 277977
2016-08-08 04:10:22 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake Remove LLVM_ENABLE_LIBCXXABI 2016-08-04 10:24:48 +00:00
docs testing commit access 2016-08-05 13:17:06 +00:00
examples [ExecutionEngine][MCJIT][Orc] Replace RuntimeDyld::SymbolInfo with JITSymbol. 2016-08-01 20:49:11 +00:00
include [JumpThreading] Fix handling of aliasing metadata. 2016-08-08 04:10:22 +00:00
lib [JumpThreading] Fix handling of aliasing metadata. 2016-08-08 04:10:22 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
test [JumpThreading] Fix handling of aliasing metadata. 2016-08-08 04:10:22 +00:00
tools [ORC] Re-apply r277896, removing bogus triples and datalayouts that broke tests 2016-08-06 22:36:26 +00:00
unittests [ADT] Make the triple test 1000x faster through more focused test cases. 2016-08-06 06:00:50 +00:00
utils Fix gdb pretty printers to work with Python 3. 2016-08-05 16:48:31 +00:00
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.clang-format
.clang-tidy Don't use misc-unused-parameters check on LLVM. 2016-04-13 08:58:52 +00:00
.gitignore [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CMakeLists.txt Remove LLVM_ENABLE_LIBCXXABI 2016-08-04 10:24:48 +00:00
CODE_OWNERS.TXT test commit 2016-08-02 19:25:17 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Shamelessly add myself to CREDITS.TXT 2016-08-04 16:28:22 +00:00
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:41:06 +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 Revert rL277454 2016-08-02 13:26:07 +00:00
RELEASE_TESTERS.TXT Adding RELEASE_TESTERS.TXT 2016-07-21 16:46:44 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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.