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LLVM backend for 6502
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aa51a484e1
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Chris Lattner aa51a484e1 Make the coallescer a bit smarter, allowing it to join more live ranges. 
For example, we can now join things like [0-30:0)[31-40:1)[52-59:2)
with [40:60:0) if the 52-59 range is defined by a copy from the 40-60 range.
The resultant range ends up being [0-30:0)[31-60:1).

This fires a lot through-out the test suite (e.g. shrinking bc from
19492 -> 18509 machineinstrs) though most gains are smaller (e.g. about
50 copies eliminated from crafty).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 06:49:50 +00:00
autoconf For PR619: 2005-08-24 10:43:10 +00:00
docs Apparently, people object to floating pointers. Picky picky. 2005-10-17 15:19:24 +00:00
examples For PR616: 2005-08-24 10:07:20 +00:00
include/llvm Invert the TargetLowering flag that controls divide by consant expansion. 2005-10-21 00:02:42 +00:00
lib Make the coallescer a bit smarter, allowing it to join more live ranges. 2005-10-21 06:49:50 +00:00
projects Implement PR614: 2005-08-27 18:50:39 +00:00
runtime This was never updated for the project makefile changes 2005-10-18 18:50:26 +00:00
test Moved to Regression/Codegen/Generic. 2005-10-19 18:52:52 +00:00
tools Fix PR637 2005-10-18 06:29:43 +00:00
utils Make tblgen emit: 2005-10-21 01:19:59 +00:00
win32 Fix VC++ build errors. 2005-09-25 19:04:43 +00:00
Xcode Added targets to speed up build of llc. 2005-09-09 17:50:20 +00:00
.cvsignore Ignore the configure.out file generated by "make reconfigure" 2005-06-18 23:01:25 +00:00
configure For PR616: 2005-08-24 10:07:20 +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 Make sure targets depend on TargetSelectionDAG.td 2005-10-14 06:31:58 +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.