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LLVM backend for 6502
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b20b9bf9fd
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Jiangning Liu b20b9bf9fd [AArch64] Add pass to enable additional comparison optimizations by CSE. 
Patched by Sergey Dmitrouk.

This pass tries to make consecutive compares of values use same operands to
allow CSE pass to remove duplicated instructions. For this it analyzes
branches and adjusts comparisons with immediate values by converting:

GE -> GT
GT -> GE
LT -> LE
LE -> LT

and adjusting immediate values appropriately. It basically corrects two
immediate values towards each other to make them equal.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217220 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-05 02:55:24 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
cmake [CMake] Add -fno-sanitize=function to UBSan bootstrap 2014-09-05 01:17:30 +00:00
docs Fix link to 3.5 release notes. 2014-09-04 15:26:10 +00:00
examples Fix configure and make build of llvm examples. 2014-09-03 13:12:16 +00:00
include Post-JIT light cleanup of ExecutionEngine.h: edited comments about the JIT, 2014-09-04 20:37:02 +00:00
lib [AArch64] Add pass to enable additional comparison optimizations by CSE. 2014-09-05 02:55:24 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [AArch64] Add pass to enable additional comparison optimizations by CSE. 2014-09-05 02:55:24 +00:00
tools Adds the next bit of support for llvm-objdump’s -private-headers for executable Mach-O files. 2014-09-04 16:54:47 +00:00
unittests Add writeFileWithSystemEncoding to LibLLVMSuppor. 2014-09-03 20:02:00 +00:00
utils Use vector constructor instead of a for loop to initialize entries. 2014-09-04 04:49:03 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Enabling LLVM & Clang to be cross-compiled using CMake from a single configuration command line 2014-09-03 23:21:18 +00:00
CODE_OWNERS.TXT Add a sentence that all entries should include an email address. 2014-08-04 19:33:25 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +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 documentation provided in docs/ for further
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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
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