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LLVM backend for 6502
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Nadav Rotem 7e413e9c94 The type-legalizer often scalarizes code. One of the common patterns is extract-and-truncate. 
In this patch we optimize this pattern and convert the sequence into extract op of a narrow type.
This allows the BUILD_VECTOR dag optimizations to construct efficient shuffle operations in many cases.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149692 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-03 13:18:25 +00:00
autoconf Replace the old --with-cxx-* configure options with a single --with-gcc-toolchain 2012-02-03 00:59:30 +00:00
bindings Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
cmake CMake: Add the folder "Tablegenning" on llvm-tblgen targets. 2012-01-30 03:01:03 +00:00
docs Add a basic-block autovectorization pass. 2012-02-01 03:51:43 +00:00
examples Fix BrainF compilation. 2012-01-31 09:35:01 +00:00
include Added TargetPassConfig. The first little step toward configuring codegen passes. 2012-02-03 05:12:41 +00:00
lib The type-legalizer often scalarizes code. One of the common patterns is extract-and-truncate. 2012-02-03 13:18:25 +00:00
projects Replace the old --with-cxx-* configure options with a single --with-gcc-toolchain 2012-02-03 00:59:30 +00:00
runtime LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
test The type-legalizer often scalarizes code. One of the common patterns is extract-and-truncate. 2012-02-03 13:18:25 +00:00
tools Allow command-line overrides of the target triple with the Mach-O 2012-02-03 06:35:22 +00:00
unittests RefCountedBaseVPTR needs the IntrusiveRefCntPtrInfo as friend, 2012-01-31 19:58:34 +00:00
utils Replace the old --with-cxx-* configure options with a single --with-gcc-toolchain 2012-02-03 00:59:30 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt cmake: make BUILD_SHARED_LIBS a visible option 2012-02-01 14:49:39 +00:00
configure Replace the old --with-cxx-* configure options with a single --with-gcc-toolchain 2012-02-03 00:59:30 +00:00
CREDITS.TXT CREDITS.TXT: Add a line. (test commit) 2011-10-29 23:42:14 +00:00
LICENSE.TXT Happy new year 2012! 2012-01-01 08:16:56 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Makefile: add missing files to FilesToConfig 2012-01-17 02:56:49 +00:00
Makefile.common
Makefile.config.in capitalize project name, reference bugzilla 2011-12-18 18:50:16 +00:00
Makefile.rules build/make: Ensure make clean removes the LLVMBuild makefile fragment. 2012-02-02 23:27:34 +00:00
README.txt Revert test commit 2012-01-31 23:18:33 +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.

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