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Ivan A. Kosarev d60a3cc395 [Analysis] Fix merging TBAA tags with different final access types 
There are cases when we have to merge TBAA access tags with the
same base access type, but different final access types. For
example, accesses to different members of the same structure may
be vectorized into a single load or store instruction. Since we
currently assume that the tags to merge always share the same
final access type, we incorrectly return a tag that describes an
access to one of the original final access types as the generic
tag. This patch fixes that by producing generic tags for the
common type and not the final access types of the original tags.

Resolves:
PR35225: Wrong tbaa metadata after load store vectorizer due to
recent change
https://bugs.llvm.org/show_bug.cgi?id=35225

Differential Revision: https://reviews.llvm.org/D39732

llvm-svn: 317682
 		2017-11-08 11:42:21 +00:00
clang Avoid printing some redundant name qualifiers in completion 2017-11-08 10:39:09 +00:00
clang-tools-extra [clangd] loosen tests for flag-dependence revealed by r317670 2017-11-08 09:15:01 +00:00
compiler-rt Always use prctl(PR_SET_PTRACER) 2017-11-08 07:25:19 +00:00
debuginfo-tests Revert r313600 due to bot failures on Green Dragon. 2017-09-19 14:51:37 +00:00
libclc tgamma: Use unary_decl instead of custom inc file 2017-11-02 19:49:00 +00:00
libcxx Teach test suite about C++2a dialect flag. 2017-11-07 20:26:23 +00:00
libcxxabi Fix ASAN build with older compiler-rt versions. 2017-09-14 22:37:34 +00:00
libunwind Add ifdefs around ELF specific parts of UnwindRegisters*.S for arm 2017-11-04 21:01:31 +00:00
lld Fixed link to bugzilla in the sidebar 2017-11-08 10:10:31 +00:00
lldb Log: delimit thread name in log message 2017-11-08 10:48:54 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [Analysis] Fix merging TBAA tags with different final access types 2017-11-08 11:42:21 +00:00
openmp Cleanup version symbol macros and attributes/declspecs 2017-11-07 23:32:13 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly [ForwardOpTree] Limit isl operations of known content reload. 2017-11-06 17:48:14 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

README.md

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.