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LLVM backend for 6502
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4034e14985
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Chris Lattner 4034e14985 teach GVN to widen integer loads when they are overaligned, when doing an 
wider load would allow elimination of subsequent loads, and when the wider
load is still a native integer type.  This eliminates a ton of loads on 
various benchmarks involving struct fields, though it is somewhat hobbled
by clang not being very aggressive about field alignment.

This is yet another step along the way towards resolving PR6627.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130390 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28 07:29:08 +00:00
autoconf Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
bindings Fix compiling the ocaml kaleidoscope tutorials 2011-02-09 18:32:02 +00:00
cmake Honor LLVM_BUILD_RUNTIME. 2011-04-26 14:55:27 +00:00
docs docs/doxygen.css: Tweak style for readability. 2011-04-27 21:53:35 +00:00
examples Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
include teach GVN to widen integer loads when they are overaligned, when doing an 2011-04-28 07:29:08 +00:00
lib teach GVN to widen integer loads when they are overaligned, when doing an 2011-04-28 07:29:08 +00:00
projects Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
runtime Use static inline to do the right thing when built in C99 mode. Of course, 2011-04-27 03:22:17 +00:00
test teach GVN to widen integer loads when they are overaligned, when doing an 2011-04-28 07:29:08 +00:00
tools Remove all references to plugins from the LLVMC docs. 2011-04-24 14:17:32 +00:00
unittests PR9214: Convert Metadata API to use ArrayRef. 2011-04-21 19:59:31 +00:00
utils Add a TODO. 2011-04-24 14:17:41 +00:00
website
.gitignore Cleanup and document .gitignore. 2010-12-17 17:22:50 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt Add cmakefiles to build profile_rt.so! 2011-04-26 05:48:41 +00:00
configure Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
CREDITS.TXT Another git svn dcommit test. This time let's hope it doesn't kill my repo. 2010-12-10 14:45:10 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in
Makefile build: Add support for a SHOW_DIAGNOSTICS build variable. 2011-04-11 22:37:39 +00:00
Makefile.common
Makefile.config.in autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming. 2010-12-29 03:59:14 +00:00
Makefile.rules Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
ModuleInfo.txt Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Test commit. 2011-02-11 19:11:57 +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.