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Mirror of https://github.com/RPCS3/llvm-mirror
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Chris Lattner ff89aeda21 Improve ValueAlreadyLiveAtInst with a cheap and dirty, but effective 
heuristic: the value is already live at the new memory operation if
it is used by some other instruction in the memop's block.  This is
cheap and simple to compute (moreso than full liveness).

This improves the new heuristic even more.  For example, it cuts two
out of three new instructions out of 255.vortex:DbmFileInGrpHdr, 
which is one of the functions that the heuristic regressed.  This
overall eliminates another 40 instructions from 403.gcc and visibly
reduces register pressure in 255.vortex (though this only actually
ends up saving the 2 instructions from the whole program).

llvm-svn: 60084
2008-11-26 03:20:37 +00:00
autoconf Revert accidental last patch 2008-11-20 04:28:08 +00:00
bindings PR2731: C and Ocaml bindings for setTailCall and isTailCall. 2008-08-30 16:34:54 +00:00
cmake CMake: Do not rebuild the world when tblgen changes but the .inc files 2008-11-21 00:18:45 +00:00
docs Add a man page for llvmc. Really basic for now, will be updated later. 2008-11-25 21:38:38 +00:00
examples reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an 2008-11-21 16:42:48 +00:00
include add a long-overdue AllocaInst::isStaticAlloca method. 2008-11-26 02:54:17 +00:00
lib Improve ValueAlreadyLiveAtInst with a cheap and dirty, but effective 2008-11-26 03:20:37 +00:00
projects Add "sample" documentation to sample project. 2008-09-15 05:31:29 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Add test for rdar://6394879. 2008-11-26 02:21:12 +00:00
tools Adjust indent. 2008-11-26 02:57:24 +00:00
utils Copy the tblgen utility. 2008-11-20 00:11:57 +00:00
website
win32 Add files to VC++ projects. 2008-11-13 21:18:54 +00:00
Xcode Remove Stacker.html from Xcode project. 2008-10-14 23:23:59 +00:00
build-for-llvm-top.sh
CMakeLists.txt CMake: Option for building with -fPIC. 2008-11-20 19:13:51 +00:00
configure Add XCore backend. 2008-11-07 10:59:00 +00:00
CREDITS.TXT Keep CREDITS.TXT sorted by name. 2008-11-07 12:44:36 +00:00
LICENSE.TXT llvmc doesn't exist anymore, and llvmc2 doesn't have a special license file. 2008-06-20 20:05:57 +00:00
llvm.spec.in
Makefile Proper way of doing llvm canadian-cross compilation. 2008-11-10 07:33:13 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Use spaces rather than tab. 2008-10-22 09:42:14 +00:00
Makefile.rules Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files. 2008-11-24 07:34:46 +00:00
ModuleInfo.txt
README.txt Remove extra lines 2008-07-28 20:50:25 +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.