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LLVM backend for 6502
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f4230250a1
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Bruno Cardoso Lopes f4230250a1 [MachineSink+PGO] Teach MachineSink to use BlockFrequencyInfo 
Machine Sink uses loop depth information to select between successors BBs to
sink machine instructions into, where BBs within smaller loop depths are
preferable.  This patch adds support for choosing between successors by using
profile information from BlockFrequencyInfo instead, whenever the information
is available.

Tested it under SPEC2006 train (average of 30 runs for each program); ~1.5%
execution speedup in average on x86-64 darwin.

<rdar://problem/18021659>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218472 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-25 23:14:26 +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 Add CMake check for libatomic. 2014-09-12 11:08:59 +00:00
docs Update my previous commit to fit 80 cols... 2014-09-25 10:58:16 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include Object: Add range iterators for Archive children 2014-09-25 22:56:54 +00:00
lib [MachineSink+PGO] Teach MachineSink to use BlockFrequencyInfo 2014-09-25 23:14:26 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [MachineSink+PGO] Teach MachineSink to use BlockFrequencyInfo 2014-09-25 23:14:26 +00:00
tools Object: Add range iterators for Archive children 2014-09-25 22:56:54 +00:00
unittests [Support] Add type-safe alternative to llvm::format() 2014-09-25 20:30:58 +00:00
utils [mips] Add CCValAssign::[ASZ]ExtUpper and CCPromoteToUpperBitsInType and handle struct's correctly on big-endian N32/N64 return values. 2014-09-25 12:15:05 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore
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 Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +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
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Revert my earlier change to add "all" as a dependency to check. In 2014-09-19 18:44:27 +00:00
README.txt

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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documentation setup.

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