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Chad Rosier b71f6aa33c [driver] Improve the implementation of the -Ofast option. 
Specifically, allow the flags that fall under this umbrella (i.e., -O3,
-ffast-math, and -fstrict-aliasing) to be overridden/disabled with the
individual -O[0|1|2|s|z]/-fno- flags.

This also fixes the handling of various floating point optimization
flags that are modified by -ffast-math (and thus -Ofast as well).
Part of rdar://13622687

llvm-svn: 180204
 		2013-04-24 18:09:54 +00:00
..
INPUTS
…
bindings Fix return type of isBitfield in the binding definition 2013-04-21 18:35:51 +00:00
docs Release note the change to clang_CXCursorSet_contains(). 2013-04-24 07:33:52 +00:00
examples The IRReader header is now part of its own library. Update the include 2013-03-26 02:25:54 +00:00
include [driver] Add a hasFlag API that accepts a positive alias. 2013-04-24 18:01:26 +00:00
lib [driver] Improve the implementation of the -Ofast option. 2013-04-24 18:09:54 +00:00
runtime Split ubsan runtime into three pieces (clang part): 2013-03-20 23:49:07 +00:00
test [driver] Improve the implementation of the -Ofast option. 2013-04-24 18:09:54 +00:00
tools clang-format support for multiple input files. 2013-04-24 12:46:44 +00:00
unittests Fix comment alignment behavior. 2013-04-24 06:33:59 +00:00
utils [6/6] ARM Neon Intrinsic Tablegen Test Generator. 2013-04-16 23:00:26 +00:00
www Update checker build. 2013-04-23 23:55:03 +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: Only add -pedantic if LLVM didn't add it. Don't unconditionally add 2013-04-22 14:51:21 +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
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ModuleInfo.txt
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NOTES.txt Remove an uninteresting note 2013-02-05 21:13:55 +00:00
README.txt
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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/