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85a6f02b94
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Chris Lattner 85a6f02b94 add one more bitfield optimization, allowing clang to generate 
good code on PR4216:

_test_bitfield:                                             ## @test_bitfield
	orl	$32962, %edi
	movl	$4294941946, %eax
	andq	%rdi, %rax
	ret

instead of:

_test_bitfield:
        movl    $4294941696, %ecx
        movl    %edi, %eax
        orl     $194, %edi
        orl     $32768, %eax
        andq    $250, %rdi
        andq    %rax, %rcx
        movq    %rdi, %rax
        orq     %rcx, %rax
        ret

Evan is looking into the remaining andq+imm -> andl optimization.

llvm-svn: 93147
2010-01-11 06:55:24 +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 add one more bitfield optimization, allowing clang to generate 2010-01-11 06:55:24 +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 add one more bitfield optimization, allowing clang to generate 2010-01-11 06:55:24 +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
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.