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LLVM backend for 6502
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9a2cfffdb6
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Preston Gurd 9a2cfffdb6 Bypass Slow Divides 
* Only apply divide bypass optimization when not optimizing for size. 
* Fixed bug caused by constant for 0 value of type Int32,
  used dividend type to generate the constant instead.
* For atom x86-64 apply the divide bypass to use 16-bit divides instead of
  64-bit divides when operand values are small enough.
* Added lit tests for 64-bit divide bypass.

Patch by Tyler Nowicki!




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176442 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04 18:13:57 +00:00
autoconf configure: remove workaround for gcc's -Wno-maybe-uninitialized 2013-02-13 21:19:39 +00:00
bindings
cmake CMake: Always include the CheckCXXCompilerFlag in HandleLLVMOptions.cmake. 2013-03-02 01:00:40 +00:00
docs Docs for llvm-symbolizer command-line tool 2013-03-01 07:58:27 +00:00
examples
include recommit r172363 & r171325 (reverted in r172756) 2013-03-02 11:36:24 +00:00
lib Bypass Slow Divides 2013-03-04 18:13:57 +00:00
projects Set the deployment target for Apple llvmCore builds. <rdar://problem/12712431> 2013-02-05 17:29:03 +00:00
runtime Forgot that this file needs to be C89 not C99 thanks to MSVC. No functionality 2013-02-27 08:28:35 +00:00
test Bypass Slow Divides 2013-03-04 18:13:57 +00:00
tools Connect LLVM CMake build scripts to LLDB's CMake scripts: 2013-02-28 23:15:15 +00:00
unittests [Support][ErrorOr] Add support for implicit conversion from error code/condition enums. 2013-02-28 01:44:26 +00:00
utils MIsched machine model: tablegen subtarget emitter improvement. 2013-03-01 23:31:26 +00:00
.arcconfig
.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 Add myself as code owner of AArch64 backend. 2013-01-31 12:51:16 +00:00
configure configure: remove workaround for gcc's -Wno-maybe-uninitialized 2013-02-13 21:19:39 +00:00
CREDITS.TXT Fix my email address in CREDITS.TXT. 2013-03-01 22:20:03 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Pass CPPFLAGS/CFLAGS/CXXFLAGS from the environment of configure to 2013-02-04 08:15:53 +00:00
Makefile.rules Use 'RC_XBS' instead of 'RC_BUILDIT' to catch all times when it's built in the Apple way. 2013-02-13 19:44:08 +00:00
README.txt Revert "Test commit" 2013-02-22 19:19:41 +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 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.