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Chris Lattner 2bb5cb490c reimplement codegen for indirect goto with the following advantages: 
1. CGF now has fewer bytes of state (one pointer instead of a vector).
2. The generated code is determinstic, instead of getting labels in
   'map order' based on pointer addresses.
3. Clang now emits one 'indirect goto switch' for each function, instead
   of one for each indirect goto.  This fixes an M*N = N^2 IR size issue
   when there are lots of address-taken labels and lots of indirect gotos.
4. This also makes the default cause do something useful, reducing the
   size of the jump table needed (by one).

llvm-svn: 83952
 		2009-10-13 06:55:33 +00:00
..
INPUTS Add an input file that includes all standard C++ headers 2009-09-29 03:26:11 +00:00
clang.xcodeproj Move the vtable builder to CGVtable.cpp, general cleanup. 2009-10-11 22:13:54 +00:00
docs Implement __builtin_unreachable(), a GCC 4.5 extension. 2009-09-21 03:09:59 +00:00
include Return the original state by default. 2009-10-13 06:07:58 +00:00
lib reimplement codegen for indirect goto with the following advantages: 2009-10-13 06:55:33 +00:00
test merge an indirect goto test into statements, add another 2009-10-13 06:52:43 +00:00
tools Set up include paths for VC++ and Cygwin headers, along with the 2009-10-08 23:29:47 +00:00
utils Experimental, ultra-hacking Emacs minor mode for Clang-based code completion. 2009-10-09 22:17:40 +00:00
win32
…
www Minor CSS fix 2009-10-12 23:15:14 +00:00
CMakeLists.txt CMake mingw build fixes. 2009-10-11 12:22:00 +00:00
INSTALL.txt Add minimal INSTALL.txt 2009-09-13 02:21:31 +00:00
LICENSE.TXT update copyright. 2009-09-30 15:59:45 +00:00
Makefile Don't install Makefiles nor tablegen input in include/. 2009-10-12 16:42:18 +00:00
ModuleInfo.txt
…
NOTES.txt Update the PTH performance "script". 2009-09-24 22:03:45 +00:00
README.txt rewrite readme. 2009-09-13 17:23:57 +00:00
TODO.txt Add some more code modification hints 2009-04-01 23:51:29 +00:00
VER Collapse more clang version numbers down into fewer places. 2009-09-16 01:26:05 +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 intrastructure 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/