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Renato Golin 227eb6fc5f Improve long vector sext/zext lowering on ARM 
The ARM backend currently has poor codegen for long sext/zext
operations, such as v8i8 -> v8i32. This patch addresses this
by performing a custom expansion in ARMISelLowering. It also
adds/changes the cost of such lowering in ARMTTI.

This partially addresses PR14867.

Patch by Pete Couperus

llvm-svn: 177380
 		2013-03-19 08:15:38 +00:00
..
autoconf Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
bindings [python] Add markup option to disassembler 2012-12-01 21:57:30 +00:00
cmake Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
docs Make the fields in the diagram match the descriptive text above them. 2013-03-18 20:21:47 +00:00
examples Update links to "Itanium C++ ABI: Exception Handling" document 2013-01-13 15:53:09 +00:00
include Move #include of BitVector from .h to .cpp file. 2013-03-18 23:45:45 +00:00
lib Improve long vector sext/zext lowering on ARM 2013-03-19 08:15:38 +00:00
projects Print a warning message if compiler-rt can't be built because of old CMake version to make this requirement more visible to users 2013-03-05 14:43:07 +00:00
runtime Remove GCDAProfiling.c. This copy is old, the copy in compiler-rt is newer and 2013-03-07 02:03:08 +00:00
test Improve long vector sext/zext lowering on ARM 2013-03-19 08:15:38 +00:00
tools Build LLVMgold.so on FreeBSD using cmake. 2013-03-17 12:01:05 +00:00
unittests Test case for graceful handling of long file names on Windows. Patch thanks to Paul Robinson! 2013-03-16 15:00:51 +00:00
utils TableGen fix for the new machine model. 2013-03-18 20:42:25 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.gitignore
…
CMakeLists.txt Revert CMake version bump since we don't actually need 2.8.6 any more. 2013-02-18 11:53:37 +00:00
CODE_OWNERS.TXT Update 2013-03-18 17:47:33 +00:00
CREDITS.TXT Update 2013-03-18 17:47:33 +00:00
LICENSE.TXT Add LICENSE.TXT covering contributions made by ARM. 2013-01-07 10:04:49 +00:00
LLVMBuild.txt
…
Makefile Improved svn repo searching for 'make update' 2013-01-28 03:19:57 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
Makefile.rules Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
README.txt Revert "Test commit" 2013-02-22 19:19:41 +00:00
configure Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
llvm.spec.in
…

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 documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.