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Bill Wendling 93eeea0493 The DAG combiner was performing a BT combine. The BT combine had a value of -1, 
so it changed it into a 31 via the TLO.ShrinkDemandedConstant() call. Then it
would go through the DAG combiner again. This time it had a value of 31, which
was turned into a -1 by TLI.SimplifyDemandedBits(). This would ping pong
forever.

Teach the TLO.ShrinkDemandedConstant() call not to lower a value if the demanded
value is an XOR of all ones.

llvm-svn: 65985
2009-03-04 00:18:06 +00:00
autoconf Switch to using -Wl,-R on Solaris. 2009-03-03 04:55:15 +00:00
bindings Remove libtool. 2009-02-26 07:44:16 +00:00
cmake Add mode_t to the config.h generated by cmake on win32. Used by clang. 2009-02-14 16:13:26 +00:00
docs This bug's been fixed but a version with the fix hasn't been released yet. 2009-03-03 05:41:16 +00:00
examples reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an 2008-11-21 16:42:48 +00:00
include Dbg Intrinsics do not access memory. 2009-03-03 22:33:54 +00:00
lib The DAG combiner was performing a BT combine. The BT combine had a value of -1, 2009-03-04 00:18:06 +00:00
projects Add "sample" documentation to sample project. 2008-09-15 05:31:29 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test The DAG combiner was performing a BT combine. The BT combine had a value of -1, 2009-03-04 00:18:06 +00:00
tools Add example/Skeleton. 2009-03-03 11:02:48 +00:00
unittests Remove libtool. 2009-02-26 07:44:16 +00:00
utils 'append_cmd' should split its argument. 2009-02-27 06:46:55 +00:00
website
win32 Update hand-crafted VC++ build. 2009-02-02 19:22:02 +00:00
Xcode Remove Stacker.html from Xcode project. 2008-10-14 23:23:59 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt Enable PACKAGE_VERSION in cmake builds, this unbreaks the clang build with cmake. 2009-01-28 17:49:03 +00:00
configure Regenerate. 2009-03-03 04:55:29 +00:00
CREDITS.TXT Adding your's truly to CREDITS.TXT 2009-01-19 15:04:29 +00:00
LICENSE.TXT Another great year for LLVM! 2009-02-26 15:17:13 +00:00
llvm.spec.in
Makefile Add targets to support the installation of clang in isolation. 2009-01-19 19:48:23 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Switch to using -Wl,-R on Solaris. 2009-03-03 04:55:15 +00:00
Makefile.rules LINK_COMPONENTS should be added to LLVMLibsOptions. 2009-03-03 10:03:27 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
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.