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40a0781572
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Alina Sbirlea 40a0781572 [LoadStoreVectorizer] Enable vectorization of stores in the presence of an aliasing load 
Summary:
The "getVectorizablePrefix" method would give up if it found an aliasing load for a store chain.
In practice, the aliasing load can be treated as a memory barrier and all stores that precede it
are a valid vectorizable prefix.
Issue found by volkan in D26962. Testcase is a pruned version of the one in the original patch.

Reviewers: jlebar, arsenm, tstellarAMD

Subscribers: mzolotukhin, wdng, nhaehnle, anna, volkan, llvm-commits

Differential Revision: https://reviews.llvm.org/D27008

llvm-svn: 287781
2016-11-23 17:43:15 +00:00
bindings Fix go binding to adapt the new attribute API 2016-11-18 10:11:02 +00:00
cmake [CMake] Apply sandbox profile to target not directory 2016-11-19 01:32:09 +00:00
docs Fix doc of llvm.bitreverse.iN 2016-11-23 16:25:31 +00:00
examples ExceptionDemo: remove some undefined behaviour 2016-11-20 02:36:38 +00:00
include Type legalization for compressstore and expandload intrinsics. 2016-11-23 13:58:24 +00:00
lib [LoadStoreVectorizer] Enable vectorization of stores in the presence of an aliasing load 2016-11-23 17:43:15 +00:00
projects [CMake] Correct configuration order of the sub-projects based on ther dependancies 2016-10-09 20:38:29 +00:00
resources
runtimes [CMake] Make the runtimes directory work with bootstrap builds 2016-10-19 21:50:25 +00:00
test [LoadStoreVectorizer] Enable vectorization of stores in the presence of an aliasing load 2016-11-23 17:43:15 +00:00
tools [llvm-cov] Avoid 0% when reporting something that's 0/0 2016-11-21 14:00:04 +00:00
unittests Add convenient functions to compute hashes of byte vectors. 2016-11-23 00:46:09 +00:00
utils Add IntrInaccessibleMemOnly property for intrinsics 2016-11-22 19:16:04 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt Add an option to disable libedit 2016-11-18 01:25:49 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of the X86 backend. 2016-11-12 05:16:06 +00:00
configure
CREDITS.TXT Give SLP vectorizer credit where it's due. 2016-11-14 19:01:59 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit, deleted empty line at the end of README.txt 2016-11-07 18:31:21 +00:00
RELEASE_TESTERS.TXT

README.txt 

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

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Please see the documentation provided in docs/ for further
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