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LLVM backend for 6502
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Chris Lattner bd38edfe23 If a global is just loaded and restored, realize that it is not changing 
value.  This allows us to turn more globals into constants and eliminate them.
This patch implements GlobalOpt/load-store-global.llx.

Note that this patch speeds up 255.vortex from:

Output/255.vortex.out-cbe.time:program 7.640000
Output/255.vortex.out-llc.time:program 9.810000

to:

Output/255.vortex.out-cbe.time:program 7.250000
Output/255.vortex.out-llc.time:program 9.490000

Which isn't bad at all!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17746 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-14 20:50:30 +00:00
autoconf Add the RUNTEST autoconf onfiguration variable for Deja-gnu support. This 2004-11-07 23:29:39 +00:00
docs Document the new llvm-ranlib command. 2004-11-12 00:18:35 +00:00
examples Clean up code layout, delete extra blank line, say fibonacci' instead of foo' 2004-11-05 04:11:40 +00:00
include/llvm Moved from include/llvm/Support/Linker.h 2004-11-14 20:21:58 +00:00
lib If a global is just loaded and restored, realize that it is not changing 2004-11-14 20:50:30 +00:00
projects Change macro names per naming standard in Makefile.rules. 2004-10-30 09:26:22 +00:00
runtime Internalize variable names to prevent recursive assignment. Cleanup docs. 2004-10-30 09:19:36 +00:00
test New testcase. Believe it or not, this happens a LOT in vortex 2004-11-14 20:41:39 +00:00
tools Make sure llee can deal with compressed bytecode too. 2004-11-09 20:21:25 +00:00
utils * Add support for f2c and the -f2c switch to enable Fortran benchmarks 2004-11-08 03:28:27 +00:00
win32 This file is gone 2004-11-08 18:46:09 +00:00
.cvsignore
configure Add the RUNTEST autoconf onfiguration variable for Deja-gnu support. This 2004-11-07 23:29:39 +00:00
CREDITS.TXT Give sumant credit too! 2004-10-27 15:54:23 +00:00
LICENSE.TXT Adjust the license files based on the actual content of llvm and llvm-test 2004-09-16 16:41:31 +00:00
llvm.spec Updated for 1.3. 2004-08-16 15:17:40 +00:00
llvm.spec.in Updated for 1.3. 2004-08-16 15:17:40 +00:00
Makefile Move path override in test/Makefile. 2004-11-08 05:44:05 +00:00
Makefile.common No really, this is LLVM! 2004-10-30 00:57:52 +00:00
Makefile.config.in Add the RUNTEST autoconf onfiguration variable for Deja-gnu support. This 2004-11-07 23:29:39 +00:00
Makefile.rules * Clean up all the shared library output on uninstall 2004-11-12 02:27:36 +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.