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LLVM backend for 6502
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7c4fe259f8
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Chris Lattner 7c4fe259f8 Implement support for branch reversal, fix a bug in branch analysis. 
This provides stuff like:

        cmpw cr0, r15, r29
        mr r14, r15
-       bge cr0, LBB3_111       ;bb656
-       b LBB3_90       ;bb501
+       blt cr0, LBB3_90        ;bb501
 LBB3_111:      ;bb656
        lwz r18, 68(r1)

which is particularly good for dispatch group formation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31101 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-21 06:03:11 +00:00
autoconf Fix misleading warning message 2006-10-02 17:23:42 +00:00
docs For PR950: 2006-10-20 07:07:24 +00:00
examples For PR950: 2006-10-20 07:07:24 +00:00
include/llvm typo 2006-10-20 22:44:45 +00:00
lib Implement support for branch reversal, fix a bug in branch analysis. 2006-10-21 06:03:11 +00:00
projects For PR950: 2006-10-20 07:07:24 +00:00
runtime Describe and date modifications we made per LGPL requirements. 2006-08-08 14:47:54 +00:00
test Changed the pattern matching so that it will hopefully work on Linux. 2006-10-20 18:15:24 +00:00
tools For PR950: 2006-10-20 07:07:24 +00:00
utils 80 cols fix. 2006-10-19 15:24:04 +00:00
win32 Keep Visual Studio happy. 2006-05-03 00:28:50 +00:00
Xcode Adding new files. 2006-09-07 22:07:57 +00:00
.cvsignore Add llvm.spec, a generated file. 2006-10-18 19:23:56 +00:00
configure fix misleading warning 2006-10-02 17:24:55 +00:00
CREDITS.TXT The list is sorted by name. 2006-08-29 01:42:47 +00:00
LICENSE.TXT burg is gone 2006-09-11 17:28:11 +00:00
llvm.spec.in Minor technical correction in documentation. 2006-08-21 01:58:57 +00:00
Makefile Document build order dependencies. Make sure that llvm-config is built before 2006-09-04 04:27:07 +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 Make the name of the project consistent with that specified in the 2006-08-07 23:23:39 +00:00
Makefile.rules Move CompileCommonOpts to the end of the list so that EXTRA_OPTIONS=-O0 will 2006-09-29 18:47:13 +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.