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Bob Wilson f6a4d3c2f3 Avoid write-after-write issue hazards for Cortex-A9. 
Add a avoidWriteAfterWrite() target hook to identify register classes that
suffer from write-after-write hazards. For those register classes, try to avoid
writing the same register in two consecutive instructions.

This is currently disabled by default.  We should not spill to avoid hazards!
The command line flag -avoid-waw-hazard can be used to enable waw avoidance.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129772 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-19 18:11:45 +00:00
autoconf Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
bindings Fix compiling the ocaml kaleidoscope tutorials 2011-02-09 18:32:02 +00:00
cmake Disable warning C4181: "qualifier applied to reference type; ignored" 2011-04-19 00:03:17 +00:00
docs docs: Use <Hn> as Heading elements instead of <DIV class="doc_foo">. 2011-04-18 23:59:50 +00:00
examples Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
include Avoid write-after-write issue hazards for Cortex-A9. 2011-04-19 18:11:45 +00:00
lib Avoid write-after-write issue hazards for Cortex-A9. 2011-04-19 18:11:45 +00:00
projects Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
runtime Write out uint64_t as i{0..32},i{33..64} instead of i{0..32},0. 2011-04-16 10:25:32 +00:00
test Avoid write-after-write issue hazards for Cortex-A9. 2011-04-19 18:11:45 +00:00
tools Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
unittests Implements StringRef::compare with bounds. It is behaves similarly to strncmp(). Unit tests also included. 2011-04-15 17:56:50 +00:00
utils Invert the meaning of printAliasInstr's return value. It now returns 2011-04-18 21:28:11 +00:00
website
.gitignore Cleanup and document .gitignore. 2010-12-17 17:22:50 +00:00
build-for-llvm-top.sh
CMakeLists.txt Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
configure Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +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 2010 is upon us. 2010-01-09 18:40:31 +00:00
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 Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Test commit. 2011-02-11 19:11:57 +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.