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7375fbcbf2
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Dan Gohman 7375fbcbf2 Fix a bug in LSR's dead-PHI cleanup. If a PHI has a def-use chain that 
leads into a cycle involving a different PHI, LSR got stuck running
around that cycle looking for the original PHI. To avoid this, keep
track of visited PHIs and stop searching if we see one more than once.
This fixes PR2570.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53879 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21 21:45:02 +00:00
autoconf Make LLVM compile on DragonFly BSD (PR2499). 2008-06-26 10:36:58 +00:00
bindings Remove a duplicative binding. Patch by Mahadevan R. 2008-05-19 05:47:10 +00:00
docs add a description. 2008-07-13 21:27:36 +00:00
examples API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 2008-05-16 19:29:10 +00:00
include Enhance the GraphWriter support for edge destinations, and teach the 2008-07-21 21:06:55 +00:00
lib Fix a bug in LSR's dead-PHI cleanup. If a PHI has a def-use chain that 2008-07-21 21:45:02 +00:00
projects Allow the test suite to be checked out into projects/test-suite. 2008-06-24 13:01:57 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Fix a bug in LSR's dead-PHI cleanup. If a PHI has a def-use chain that 2008-07-21 21:45:02 +00:00
tools tentative definitions are default visibility 2008-07-19 00:58:07 +00:00
utils Temporary hack to build with GCC 4.0 instead of 4.2. 2008-07-21 18:33:09 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Updated VC++ projects 2008-07-20 12:04:49 +00:00
Xcode Merge LLVMBuilder and FoldingBuilder, calling 2008-04-13 06:22:09 +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 Make LLVM compile on DragonFly BSD (PR2499). 2008-06-26 10:36:58 +00:00
CREDITS.TXT merge of use-diet branch to trunk 2008-05-10 08:32:32 +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 * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h" 2008-05-29 17:41:17 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Reverting r48974. See PR2183 for details. 2008-03-31 16:46:23 +00:00
Makefile.rules Add support for building on solaris, working around namespace 2008-06-24 17:44:42 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test commit access 2008-07-17 19:46:54 +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.