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Jordan Rose 199fdd825f [analyzer] Use the CallEnter node to get a value for tracked null arguments. 
Additionally, don't collect PostStore nodes -- they are often used in
path diagnostics.

Previously, we tried to track null arguments in the same way as any other
null values, but in many cases the necessary nodes had already been
collected (a memory optimization in ExplodedGraph). Now, we fall back to
using the value of the argument at the time of the call, which may not
always match the actual contents of the region, but often will.

This is a precursor to improving our suppression heuristic.
<rdar://problem/12350829>

llvm-svn: 166940
 		2012-10-29 17:31:53 +00:00
..
INPUTS Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164766 2012-09-27 10:16:10 +00:00
bindings [Doc parsing]: This patch adds <Declaration> tag to 2012-10-17 21:58:03 +00:00
docs Remove clang-fixit from tools page as it is currently not planned as a 2012-10-26 10:25:13 +00:00
examples Update clang-interpreter example 2012-10-23 22:36:49 +00:00
include [analyzer] Use the CallEnter node to get a value for tracked null arguments. 2012-10-29 17:31:53 +00:00
lib [analyzer] Use the CallEnter node to get a value for tracked null arguments. 2012-10-29 17:31:53 +00:00
runtime Pass LLVM_ANDROID_TOOLCHAIN_DIR if set. 2012-10-24 14:05:29 +00:00
test [analyzer] Use the CallEnter node to get a value for tracked null arguments. 2012-10-29 17:31:53 +00:00
tools Add missing emacs major mode marker. 2012-10-29 06:03:58 +00:00
unittests Fix ASTMatchersTests to not create an overloaded-virtual warning. 2012-10-29 10:48:25 +00:00
utils Don't require exception handling for clang-tblgen. 2012-10-25 20:34:00 +00:00
www Ugly ugly hack for libstdc++-4.6 and libstdc++-4.7 compatibility. These 2012-10-23 00:32:41 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:58 +00:00
CMakeLists.txt CMake: Fix public header search for generating Xcode/MSVC projects. 2012-10-23 21:54:03 +00:00
INSTALL.txt
…
LICENSE.TXT
…
Makefile The top-level clang Makefile is #included into other Makefiles. (sigh) So we 2012-10-03 08:39:19 +00:00
ModuleInfo.txt
…
NOTES.txt Fix typo (test commit) 2012-10-18 15:24:46 +00:00
README.txt commit access verified, revert change 2012-03-06 22:55:51 +00:00

README.txt 

//===----------------------------------------------------------------------===//
// C Language Family Front-end
//===----------------------------------------------------------------------===//

Welcome to Clang.  This is a compiler front-end for the C family of languages
(C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM
compiler infrastructure project.

Unlike many other compiler frontends, Clang is useful for a number of things
beyond just compiling code: we intend for Clang to be host to a number of
different source level tools.  One example of this is the Clang Static Analyzer.

If you're interested in more (including how to build Clang) it is best to read
the relevant web sites.  Here are some pointers:

Information on Clang:              http://clang.llvm.org/
Building and using Clang:          http://clang.llvm.org/get_started.html
Clang Static Analyzer:             http://clang-analyzer.llvm.org/
Information on the LLVM project:   http://llvm.org/

If you have questions or comments about Clang, a great place to discuss them is
on the Clang development mailing list:
  http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev

If you find a bug in Clang, please file it in the LLVM bug tracker:
  http://llvm.org/bugs/