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Chandler Carruth c0353523f6 Try to use a better set of abstractions for computing the alignment 
necessary during rewriting. As part of this, fix a real think-o here
where we might have left off an alignment specification when the address
is in fact underaligned. I haven't come up with any way to trigger this,
as there is always some other factor that reduces the alignment, but it
certainly might have been an observable bug in some way I can't think
of. This also slightly changes the strategy for placing explicit
alignments on loads and stores to only do so when the alignment does not
match that required by the ABI. This causes a few redundant alignments
to go away from test cases.

I've also added a couple of tests that really push on the alignment that
we end up with on loads and stores. More to come here as I try to fix an
underlying bug I have conjectured and produced test cases for, although
it's not clear if this bug is the one currently hitting dragonegg's
gcc47 bootstrap.

llvm-svn: 165100
2012-10-03 08:14:02 +00:00
autoconf Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
bindings add support for ocaml 3.12 2012-09-02 14:42:56 +00:00
cmake CMake toolchain file for Android NDK. 2012-09-11 11:54:27 +00:00
docs [Docs] Update File Headers section to cover doxygen style file level docs. 2012-10-01 19:59:21 +00:00
examples Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h 2012-06-29 12:38:19 +00:00
include Revert 165051-165049 while looking into the foreach.m failure in 2012-10-03 08:10:01 +00:00
lib Try to use a better set of abstractions for computing the alignment 2012-10-03 08:14:02 +00:00
projects Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
runtime libprofile: [CMake] Let libprofile_rt be not loadable_module but shared library. Autoconf's one does so. 2012-08-29 00:37:51 +00:00
test Try to use a better set of abstractions for computing the alignment 2012-10-03 08:14:02 +00:00
tools Clean-up of memory buffer and object ownership model in MCJIT 2012-10-02 21:18:39 +00:00
unittests Removing dependency on third party library for Intel JIT event support. 2012-09-28 17:35:20 +00:00
utils Fix 80-column violations. Cleanup whitespace in generated code. 2012-10-02 00:25:57 +00:00
.gitignore Ignore the documentation-suggested location for compile_commands.json 2012-08-21 19:23:30 +00:00
CMakeLists.txt Removing dependency on third party library for Intel JIT event support. 2012-09-28 17:35:20 +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 Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
CREDITS.TXT Add IRC handle. 2012-09-11 07:50:40 +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 Set the 'build clang only' flag when we're building only clang. 2012-10-02 20:32:23 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in Re-enable support for --program-prefix. 2012-10-01 18:40:32 +00:00
Makefile.rules Re-enable support for --program-prefix. 2012-10-01 18:40:32 +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.