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Bill Wendling c17731d65d Make this transformation slightly less agressive and more correct. 
The 'CmpInst::isFalseWhenEqual' function returns 'false' for values other than
simply equality. For instance, it returns 'false' for <= or >=. This isn't the
correct behavior for this transformation, which is checking for strict equality
and non-equality. It was causing the gcc.c-torture/execute/frame-address.c test
to fail because it would completely (and incorrectly) optimize a whole function
into a 'ret i32 0'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152497 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10 17:56:03 +00:00
autoconf configure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn't depend on perl anymore. 2012-03-07 17:07:20 +00:00
bindings [llvm.py] Define enumerations from Core.h; add OpCode class 2012-03-10 05:50:56 +00:00
cmake Minimal changes for LLVM to compile under VS11. 2012-03-01 22:42:52 +00:00
docs Add column width. 2012-03-06 09:23:25 +00:00
examples Switch to a more idiomatic way of silencing unused variable warnings in 2012-02-20 00:02:49 +00:00
include Refactor some methods to look through bitcasts and GEPs on pointers into 2012-03-10 08:39:09 +00:00
lib Make this transformation slightly less agressive and more correct. 2012-03-10 17:56:03 +00:00
projects configure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn't depend on perl anymore. 2012-03-07 17:07:20 +00:00
runtime Fixing a warning in MSVC (this is also a test commit) 2012-02-05 19:43:39 +00:00
test Make this transformation slightly less agressive and more correct. 2012-03-10 17:56:03 +00:00
tools Fix uses of the C99 PRI format macros not to conflict with C++11 UDLs. 2012-03-10 02:04:38 +00:00
unittests Add support to the hashing infrastructure for automatically hashing both 2012-03-07 09:32:32 +00:00
utils Fix the x86 disassembler to at least print the lock prefix if it is the first 2012-03-09 17:52:49 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt add LLVM_VERSION_MAJOR and _MINOR defines 2012-02-13 18:48:10 +00:00
configure configure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn't depend on perl anymore. 2012-03-07 17:07:20 +00:00
CREDITS.TXT Add myself to the credits file 2012-02-29 16:43:11 +00:00
LICENSE.TXT Happy new year 2012! 2012-01-01 08:16:56 +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 Makefile: add missing files to FilesToConfig 2012-01-17 02:56:49 +00:00
Makefile.common
Makefile.config.in configure: Don't require a perl interpreter to be present, LLVM's buildsystem doesn't depend on perl anymore. 2012-03-07 17:07:20 +00:00
Makefile.rules build/Darwin: Make it easy to cause all tools to get codesigned (with make CODESIGN_TOOLS=1). 2012-03-06 19:07:38 +00:00
README.txt test commit 2012-02-07 08:18:05 +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.