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Dan Gohman a203a80c24 Avoid forming a SELECT_CC in a type that the target doesn't 
support. This isn't immediately interesting, because Legalize
ends up lowering SELECT_CC if the target doesn't support it,
but this simplifies the process.

Also, if the SELECT_CC would be expanded in Legalize, it
can potentially end up with two copies of the condition
expression. By leaving it as SELECT+SETCC, the SELECT can be
expanded into two SELECTs that use a single SETCC.

The two comparisons are usually CSE'd, but depending on
when various expressions get legalized, the comparison
expression could involve calls to library functions, such
that the comparison expression may not be able to be CSE'd.
This will be needed by a future patch.

llvm-svn: 77896
2009-08-02 16:19:38 +00:00
autoconf Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
bindings Reorder the "Metadata" entry to match the C bindings. 2009-07-21 21:52:57 +00:00
cmake CMake configuration: find mkdtemp, mkstemp, mktemp. 2009-07-27 18:23:41 +00:00
docs Remove duplicated colons and spaces. 2009-08-02 12:13:02 +00:00
examples Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 2009-07-31 20:28:14 +00:00
include Remove duplicated colons and spaces. 2009-08-02 12:13:02 +00:00
lib Avoid forming a SELECT_CC in a type that the target doesn't 2009-08-02 16:19:38 +00:00
projects remove dead makefile flags. 2009-06-24 05:29:56 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test Test both darwin and linux. 2009-08-02 02:54:34 +00:00
tools Make SectionKind::get() private. 2009-08-02 00:02:44 +00:00
unittests Remove now empty unit test directory. 2009-08-01 19:07:29 +00:00
utils Fix an ENABLE_EXPENSIVE_CHECKS error. 2009-08-02 01:21:22 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 2009-07-24 23:12:02 +00:00
Xcode Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
configure Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
CREDITS.TXT Added myself to the blame list. 2009-07-15 13:01:49 +00:00
LICENSE.TXT one fewer license, yay. :) 2009-08-01 22:54:39 +00:00
llvm.spec.in
Makefile Introduce new headers whose inclusion forces linking and 2009-06-16 20:12:29 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in LLVMC can be now compiled w/o dynamic plugin support. 2009-07-04 03:55:25 +00:00
Makefile.rules Makefile rules for generating assembly matcher. 2009-07-13 18:35:35 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt README.txt: test commit w/blank line appended 2009-03-23 21:00:45 +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.