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b3e705f889
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Jakob Stoklund Olesen b3e705f889 Simplify local live range splitting's safeguard to fix PR10070. 
When local live range splitting creates a live range with the same
number of instructions as the old range, mark it as RS_Local. When such
a range is seen again, require that it be split in a way that reduces
the number of instructions. That guarantees we are making progress while
still being able to perform 3 -> 2+3 splits as required by PR10070.

This also means that the PrevSlot map is no longer needed. This was also
used to estimate new spill weights, but that is no longer necessary
after slotIndexes::insertMachineInstrInMaps() got the extra Late
insertion argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132697 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-06 23:55:20 +00:00
autoconf Use processor name in the target triple. This fixes PowerPC64 to generate 2011-06-04 06:15:42 +00:00
bindings Fix compiling the ocaml kaleidoscope tutorials 2011-02-09 18:32:02 +00:00
cmake Fix cmake dependencies. 2011-05-24 00:58:06 +00:00
docs Corrections and additional information for "Creating and LLVM Project" 2011-06-03 02:20:48 +00:00
examples Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
include Basic support for macros with explicit arguments. 2011-06-05 02:43:45 +00:00
lib Simplify local live range splitting's safeguard to fix PR10070. 2011-06-06 23:55:20 +00:00
projects Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
runtime Fix MSVC warning regarding mkdir function usage. 2011-05-26 04:55:20 +00:00
test Simplify local live range splitting's safeguard to fix PR10070. 2011-06-06 23:55:20 +00:00
tools Add -O1/2/3 to bugpoint, so when you conclude opt -O2 reproduces an issue, you can just run bugpoint -O2. :) My implementation isn't precisely equivalent to what opt does, but as far as I can tell, it's close enough. 2011-06-06 22:45:46 +00:00
unittests Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans to 2011-05-21 23:14:36 +00:00
utils Drop a RecordKeeper reference that wasn't necessary. 2011-06-04 07:49:55 +00:00
website
.gitignore Ignore Vim swap files 2011-05-31 21:54:28 +00:00
build-for-llvm-top.sh
CMakeLists.txt Rename profile_rt.so to libprofile_rt.so under configure+make (it already was 2011-04-29 02:12:06 +00:00
configure The dragonegg option to disable LLVM optimizations changed. 2011-05-23 16:50:29 +00:00
CREDITS.TXT Another git svn dcommit test. This time let's hope it doesn't kill my repo. 2010-12-10 14:45:10 +00:00
LICENSE.TXT
llvm.spec.in
Makefile build: Add support for a SHOW_DIAGNOSTICS build variable. 2011-04-11 22:37:39 +00:00
Makefile.common
Makefile.config.in autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming. 2010-12-29 03:59:14 +00:00
Makefile.rules Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
ModuleInfo.txt
README.txt reverting test commit 2011-05-12 17:38:08 +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.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.