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LLVM backend for 6502
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9ee947c224
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Chris Lattner 9ee947c224 teach zext optimization how to deal with truncs that don't come from 
the zext dest type.  This allows us to handle test52/53 in cast.ll,
and allows llvm-gcc to generate much better code for PR4216 in -m64
mode:

_test_bitfield:                                             ## @test_bitfield
	orl	$32962, %edi
	movl	%edi, %eax
	andl	$-25350, %eax
	ret

This also fixes a bug handling vector extends, ensuring that the
mask produced is a vector constant, not an integer constant.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93127 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-10 20:25:54 +00:00
autoconf Proper deduce z/System LLVM target from target triple when 2010-01-05 20:45:13 +00:00
bindings Fix another parallel make race condition. 2009-12-18 20:12:14 +00:00
cmake Update CMake LibDeps 2010-01-04 23:17:24 +00:00
docs add 3 passes which have been added but aren't used afaik. 2010-01-09 22:30:40 +00:00
examples fix PR5649 by making fib use the JIT instead of the interpreter, patch by Perry Lorier! 2009-12-01 01:56:27 +00:00
include Compute isFunctionLocal in MDNode ctor or via argument in new function getWhenValsUnresolved(). 2010-01-10 07:14:18 +00:00
lib teach zext optimization how to deal with truncs that don't come from 2010-01-10 20:25:54 +00:00
projects Move DataTypes.h to include/llvm/System, update all users. This breaks the last 2009-10-26 01:35:46 +00:00
runtime remove the random sampling framework, which is not maintained anymore. 2010-01-02 20:07:03 +00:00
test teach zext optimization how to deal with truncs that don't come from 2010-01-10 20:25:54 +00:00
tools Enable debug buffering. 2010-01-05 01:30:32 +00:00
unittests NamedMDNode is a collection MDNodes. 2010-01-05 20:41:31 +00:00
utils Tighten up the vim LLVM IR syntax highlighting regex for labels, and add a 2010-01-09 17:22:48 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
Xcode Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt Fix CMake build for InstCombine changes 2010-01-04 21:58:55 +00:00
configure Regenerate 2010-01-05 20:45:43 +00:00
CREDITS.TXT Add myself to the blame list. 2009-08-20 15:20:15 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in
Makefile Update install-clang target for clang-cc removal. 2009-12-12 21:17:54 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Fix typos. Thanks to John Tytgat for noticing it! 2009-12-07 00:27:35 +00:00
Makefile.rules Add the rest of the build system logic for optional target disassemblers 2009-11-25 04:46:58 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt First test commit 2009-10-05 22:29:11 +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.