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Douglas Gregor 603cd869f7 <rdar://problem/13479539> Simplify ModuleManager/GlobalModuleIndex interaction to eliminate a pile of extraneous stats(). 
The refactoring in r177367 introduced a serious performance bug where
the "lazy" resolution of module file names in the global module index
to actual module file entries in the module manager would perform
repeated negative stats(). The new interaction requires the module
manager to inform the global module index when a module file has been
loaded, eliminating the extraneous stat()s and a bunch of bookkeeping
on both sides.

llvm-svn: 177750
 		2013-03-22 18:50:14 +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 cindex.py: Handle NULL pointers when parsing translation units 2013-03-19 15:30:48 +00:00
docs Update docs after moving clang-format from clang-tools-extra to cfe. 2013-03-22 12:44:20 +00:00
examples Nuke SetUpBuildDumpLog. 2013-01-20 01:58:28 +00:00
include <rdar://problem/13479539> Simplify ModuleManager/GlobalModuleIndex interaction to eliminate a pile of extraneous stats(). 2013-03-22 18:50:14 +00:00
lib <rdar://problem/13479539> Simplify ModuleManager/GlobalModuleIndex interaction to eliminate a pile of extraneous stats(). 2013-03-22 18:50:14 +00:00
runtime Split ubsan runtime into three pieces (clang part): 2013-03-20 23:49:07 +00:00
test documentation parsing. Provide code completion comment 2013-03-22 17:55:27 +00:00
tools Add clang-format to the corresponding Makefile. 2013-03-22 11:43:51 +00:00
unittests Better fix for r177725. 2013-03-22 16:55:40 +00:00
utils Documentation parsing. Some refactoring and code 2013-03-08 23:59:23 +00:00
www Add a linebreak. Linebreaks are cool. 2013-03-18 21:57:52 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:08:08 +00:00
.gitignore Reverted unintendedly-committed file. 2013-01-31 19:05:31 +00:00
CMakeLists.txt CMake: -Wno-nested-anon-types for Clang. 2013-03-02 00:49:47 +00:00
CODE_OWNERS.TXT Duplicate some common owners between Clang and LLVM. 2012-11-27 00:48:12 +00:00
INSTALL.txt Minor tweak to install docs 2013-02-05 22:01:16 +00:00
LICENSE.TXT Update the copyright coredits -- Happy new year 2013! 2013-01-01 10:00:19 +00:00
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 Remove an uninteresting note 2013-02-05 21:13:55 +00:00
README.txt
…

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/