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Mirror of https://github.com/RPCS3/llvm-mirror
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3d9309c11d
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Evan Cheng 3d9309c11d Fix live variables issues: 
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue.
2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register:
   = EAX, AX<imp-use,kill>
...
AX =
In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things.

llvm-svn: 48521
2008-03-19 00:52:20 +00:00
autoconf Adding ocamldoc generation. 2008-03-10 15:49:16 +00:00
bindings Fix for "make install" of ocaml docs. Patch by Erick Tryzelaar! 2008-03-17 07:49:23 +00:00
docs Note that gcc 4.0.1 will trip internal LLVM asserts (e.g., pred_iterator) if compiling 2008-03-18 23:13:26 +00:00
examples Fix an incorrect comment, PR2147. 2008-03-13 03:29:42 +00:00
include Fix live variables issues: 2008-03-19 00:52:20 +00:00
lib Fix live variables issues: 2008-03-19 00:52:20 +00:00
projects remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Fix live variables issues: 2008-03-19 00:52:20 +00:00
tools Reimplement the parameter attributes support, phase #1. hilights: 2008-03-12 17:45:29 +00:00
utils Add support for escaping {} in asm strings, based on patch from Nick Burns. 2008-03-17 07:26:14 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Update vcproj file. 2008-03-05 22:30:39 +00:00
Xcode C and Objective Caml bindings for the TargetData class. 2008-03-16 20:08:03 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
configure Regenerate. 2008-03-10 15:49:38 +00:00
CREDITS.TXT Update credits. 2007-12-11 09:32:07 +00:00
LICENSE.TXT scoped_ptr.h was removed. 2008-02-09 22:50:06 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Run 'svn info' in the C locale. Also appropriately escape spaces and ? for gawk in darwin. 2008-02-28 18:46:56 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Adding ocamldoc generation. 2008-03-10 15:49:16 +00:00
Makefile.rules Refresh Makefile.ocaml in objdir if it is modified in srcdir. 2008-03-10 15:58:40 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test 2007-04-20 20:49:25 +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.