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LLVM backend for 6502
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cb5fd743a9
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Chris Lattner cb5fd743a9 Enhance memdep to return clobber relation between noalias loads when 
an earlier load could be widened to encompass a later load.  For example,
if we see:

  X = load i8* P, align 4
  Y = load i8* (P+3), align 1

and we have a 32-bit native integer type, we can widen the former load
to i32 which then makes the second load redundant.  GVN can't actually
do anything with this load/load relation yet, so this isn't testable, but 
it is the next step to resolving PR6627, and a fairly general class of 
"merge neighboring loads" missed optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26 22:42:01 +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 Regenerate. 2011-04-24 14:17:37 +00:00
examples Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
include Be careful about scheduling nodes above previous calls. It increase usages of 2011-04-26 21:31:35 +00:00
lib Enhance memdep to return clobber relation between noalias loads when 2011-04-26 22:42:01 +00:00
projects Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
runtime Honor LLVM_BUILD_RUNTIME. 2011-04-26 14:55:27 +00:00
test remove support for llvm.invariant.end from memdep. It is a 2011-04-26 21:50:51 +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
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
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the HTML documentation provided in docs/index.html for further
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If you're writing a package for LLVM, see docs/Packaging.html for our
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