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LLVM backend for 6502
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Jakob Stoklund Olesen 0ab7103e06 Make the hasPHIKills flag a computed property. 
The VNInfo::HAS_PHI_KILL is only half supported. We precompute it in
LiveIntervalAnalysis, but it isn't properly updated by live range
splitting and functions like shrinkToUses().

It is only used in one place: RegisterCoalescer::removeCopyByCommutingDef().

This patch changes that function to use a new LiveIntervals::hasPHIKill()
function that computes the flag for a given value number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-03 20:10:24 +00:00
autoconf Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
bindings Remove tabs. 2012-07-19 00:23:13 +00:00
cmake autoconf: Re-introduce LLVM_HOSTTRIPLE since r143500, as rework of PR11060. 2012-07-22 03:04:52 +00:00
docs Add yaml2obj. A utility to convert YAML to binaries. 2012-08-02 19:16:56 +00:00
examples Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h 2012-06-29 12:38:19 +00:00
include Make the hasPHIKills flag a computed property. 2012-08-03 20:10:24 +00:00
lib Make the hasPHIKills flag a computed property. 2012-08-03 20:10:24 +00:00
projects Fix a typo (the the => the) 2012-07-23 08:51:15 +00:00
runtime Free the allocated filename. Found by clang static analyzer. 2012-06-15 09:11:47 +00:00
test Fall back to selection DAG isel for calls to builtin functions. 2012-08-03 04:06:28 +00:00
tools Fix a typo (the the => the) 2012-07-23 08:51:15 +00:00
unittests Add range erase, element insert, and range insert methods to 2012-08-01 08:40:48 +00:00
utils Remove redundant '== true' after a comparison. 2012-08-02 23:22:39 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Add yaml2obj. A utility to convert YAML to binaries. 2012-08-02 19:16:56 +00:00
CODE_OWNERS.TXT Add the list of code owners to the top level of the LLVM source tree to 2012-07-26 08:04:09 +00:00
configure Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
CREDITS.TXT Alphabetize. 2012-06-19 23:47:58 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Do not install llvm-config-host for cross-builds of clang. rdar://11317847 2012-05-09 00:07:02 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
Makefile.rules Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
README.txt test commit 2012-07-11 17:34:12 +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.