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LLVM backend for 6502
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Chris Lattner 36ba5006df Implement a refinement to the mem2reg algorithm for cases where an alloca 
has a single def.  In this case, look for uses that are dominated by the def
and attempt to rewrite them to directly use the stored value.

This speeds up mem2reg on these values and reduces the number of phi nodes
inserted.  This should address PR665.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24411 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-18 07:31:42 +00:00
autoconf add malloc_zone_statistics, remove mstats 2005-11-14 07:24:17 +00:00
docs Fix some typos noticed by Gabor Greif! 2005-11-15 06:07:55 +00:00
examples When a function takes a variable number of pointer arguments, with a zero 2005-10-23 04:37:20 +00:00
include/llvm Fix the dominates method to return true if the two nodes are the same. Add 2005-11-18 07:27:33 +00:00
lib Implement a refinement to the mem2reg algorithm for cases where an alloca 2005-11-18 07:31:42 +00:00
projects unbreak the build again 2005-10-27 16:30:44 +00:00
runtime This was never updated for the project makefile changes 2005-10-18 18:50:26 +00:00
test This passes on ppc and x86 now 2005-11-16 07:24:31 +00:00
tools Allow users to specify -Wl,-native* multiple times if they please 2005-11-17 16:08:04 +00:00
utils Validate that the input to 'Pat' patterns is sane. 2005-11-17 17:43:52 +00:00
win32 Keep Visual Studio building. 2005-11-16 06:10:53 +00:00
Xcode Remove the lowerconstantexprs pass 2005-10-29 05:34:40 +00:00
.cvsignore Ignore the configure.out file generated by "make reconfigure" 2005-06-18 23:01:25 +00:00
configure regenearte 2005-11-14 07:25:50 +00:00
CREDITS.TXT Add a note, people are responsible for requesting that they be added to the 2005-08-02 22:10:21 +00:00
LICENSE.TXT Remove extraneous colons after program names for consistency 2005-05-12 21:39:01 +00:00
llvm.spec Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
llvm.spec.in Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
Makefile For PR614: 2005-08-25 04:59:49 +00:00
Makefile.common Update comments to reflect new variable names. Patch contributed by 2005-02-14 16:02:19 +00:00
Makefile.config.in Two changes: 2005-04-22 17:14:14 +00:00
Makefile.rules Move some constant folding code shared by Analysis and Transform passes 2005-10-27 15:54:34 +00:00
README.txt Make the text of this file a little more useful. 2004-09-02 22:49:27 +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.