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LLVM backend for 6502
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961e1acfb2
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Chandler Carruth 961e1acfb2 Fix PR13412, a nasty miscompile due to the interleaved 
instsimplify+inline strategy.

The crux of the problem is that instsimplify was reasonably relying on
an invariant that is true within any single function, but is no longer
true mid-inline the way we use it. This invariant is that an argument
pointer != a local (alloca) pointer.

The fix is really light weight though, and allows instsimplify to be
resiliant to these situations: when checking the relation ships to
function arguments, ensure that the argumets come from the same
function. If they come from different functions, then none of these
assumptions hold. All credit to Benjamin Kramer for coming up with this
clever solution to the problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161410 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07 10:59:59 +00:00
autoconf Add support for the OpenBSD for Bitrig. 2012-08-06 20:52:18 +00:00
bindings Remove tabs. 2012-07-19 00:23:13 +00:00
cmake [CMake] add_lit_target: Remove comments about add_dependencies. It is not a bug in cmake that add_custom_target(DEPENDS) would not accept targets but file-level dependencies. 2012-08-04 02:14:44 +00:00
docs Add yaml2obj. A utility to convert YAML to binaries. 2012-08-02 19:16:56 +00:00
examples Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h 2012-06-29 12:38:19 +00:00
include Revert r161371. Removing the 'const' before Type is a "good thing". 2012-08-07 05:51:59 +00:00
lib Fix PR13412, a nasty miscompile due to the interleaved 2012-08-07 10:59:59 +00:00
projects Fix a typo (the the => the) 2012-07-23 08:51:15 +00:00
runtime Free the allocated filename. Found by clang static analyzer. 2012-06-15 09:11:47 +00:00
test Fix PR13412, a nasty miscompile due to the interleaved 2012-08-07 10:59:59 +00:00
tools Reduce indentation by early exiting. 2012-08-06 22:52:45 +00:00
unittests Update cmake build. 2012-08-04 09:52:39 +00:00
utils Remove extraneous ';'. 2012-08-04 10:31:40 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Add yaml2obj. A utility to convert YAML to binaries. 2012-08-02 19:16:56 +00:00
CODE_OWNERS.TXT Add the list of code owners to the top level of the LLVM source tree to 2012-07-26 08:04:09 +00:00
configure Add support for the OpenBSD for Bitrig. 2012-08-06 20:52:18 +00:00
CREDITS.TXT Alphabetize. 2012-06-19 23:47:58 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Do not install llvm-config-host for cross-builds of clang. rdar://11317847 2012-05-09 00:07:02 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
Makefile.rules Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
README.txt test commit 2012-07-11 17:34:12 +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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.