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LLVM backend for 6502
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Chris Lattner cef896e50c When building a VVECTOR_SHUFFLE node from extract_element operations, make 
sure to build it as SHUFFLE(X, undef, mask), not SHUFFLE(X, X, mask).

The later is not canonical form, and prevents the PPC splat pattern from
matching.  For a particular splat, we go from generating this:

	li r10, lo16(LCPI1_0)
	lis r11, ha16(LCPI1_0)
	lvx v3, r11, r10
	vperm v3, v2, v2, v3

to generating:

	vspltw v3, v2, 3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27236 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-28 22:19:47 +00:00
autoconf Update to llvm-config tool, by Erik Kidd: 2006-03-23 23:21:29 +00:00
docs Misunderstanding. 2006-03-27 19:46:38 +00:00
examples Minor corrections. 2006-03-24 03:11:31 +00:00
include/llvm Add a new node 2006-03-28 19:54:11 +00:00
lib When building a VVECTOR_SHUFFLE node from extract_element operations, make 2006-03-28 22:19:47 +00:00
projects Ignored generated files. 2006-03-23 23:53:13 +00:00
runtime Optimizing to calloc() to malloc() + memset() can be bad on some platforms. 2006-03-13 21:22:43 +00:00
test new testcase 2006-03-28 20:32:12 +00:00
tools Get JIT/Interpreter working on Windows again. 2006-03-24 02:53:49 +00:00
utils Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 2006-03-28 00:41:33 +00:00
win32 Keep Visual Studio informed. 2006-03-28 04:01:27 +00:00
Xcode Catch up on some of the file addition/deletions. 2006-01-27 13:24:20 +00:00
.cvsignore Ignore the configure.out file generated by "make reconfigure" 2005-06-18 23:01:25 +00:00
configure Update to llvm-config tool, by Erik Kidd: 2006-03-23 23:21:29 +00:00
CREDITS.TXT Update to llvm-config tool, by Erik Kidd: 2006-03-23 23:21:29 +00:00
LICENSE.TXT Happy New Year, LLVM. 2006-01-03 14:42:06 +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
Makefile.config.in Update to llvm-config tool, by Erik Kidd: 2006-03-23 23:21:29 +00:00
Makefile.rules Add a facility for invoking the llvm-config tool when linking a program. 2006-03-24 07:36:57 +00:00
README.txt

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.