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Richard Osborne 67cb554e65 [InstCombine] Don't fold bitcast into store if it would need addrspacecast 
Summary:
Previously the code didn't check if the before and after types for the
store were pointers to different address spaces. This resulted in
instcombine using a bitcast to convert between pointers to different
address spaces, causing an assertion due to the invalid cast.

It is not be appropriate to use addrspacecast this case because it is
not guaranteed to be a no-op cast. Instead bail out and do not do the
transformation.

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D3117

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204733 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-25 17:21:41 +00:00
autoconf Remove projects/sample. 2014-03-12 22:40:22 +00:00
bindings [python-bindings] Remove some cruft that snuck in. 2014-02-23 04:43:26 +00:00
cmake Remove cmake module support for Visual C++ 2010 (MSVC10) 2014-03-25 09:34:20 +00:00
docs Adding some very nascent information about the clang tablegen backends, with a promise to add more information later. 2014-03-24 18:18:31 +00:00
examples Fix warnings about an variable only used in asserts. 2014-03-06 06:35:46 +00:00
include Add missing slash to make the doxygen output less confusing. 2014-03-25 17:20:28 +00:00
lib [InstCombine] Don't fold bitcast into store if it would need addrspacecast 2014-03-25 17:21:41 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test [InstCombine] Don't fold bitcast into store if it would need addrspacecast 2014-03-25 17:21:41 +00:00
tools DebugInfo: Support debug_loc under fission 2014-03-25 01:44:02 +00:00
unittests Fix these tests on windows. 2014-03-25 13:19:03 +00:00
utils remove a bunch of unused private methods 2014-03-23 17:09:26 +00:00
.arcconfig
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.gitignore Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt static link polly into tools 2014-03-14 04:04:14 +00:00
CODE_OWNERS.TXT Update my e-mail address in CODE_OWNERS.TXT 2014-03-13 18:04:41 +00:00
configure Remove projects/sample. 2014-03-12 22:40:22 +00:00
CREDITS.TXT Fix documentation typos 2013-12-20 00:33:39 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile Provide CMake package modules in install tree 2014-02-09 16:37:02 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules Use -std=gnu++11 on cygwin and mingw. 2014-03-12 20:01:15 +00:00
README.txt Revert "Test commit to check e-mail address. Please discard this." 2013-10-04 10:59:13 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, 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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.