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Fork of llvm with experimental commits and workarounds for RPCS3
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Chris Lattner 532458b89f Make jump threading substantially more powerful, in the following ways: 
1. Make it fold blocks separated by an unconditional branch.  This enables
   jump threading to see a broader scope.
2. Make jump threading able to eliminate locally redundant loads when they
   feed the branch condition of a block.  This frequently occurs due to
   reg2mem running.
3. Make jump threading able to eliminate *partially redundant* loads when
   they feed the branch condition of a block.  This is common in code with
   lots of loads and stores like C++ code and 255.vortex.

This implements thread-loads.ll and rdar://6402033.

Per the fixme's, several pieces of this should be moved into Transforms/Utils.

llvm-svn: 60148
2008-11-27 05:07:53 +00:00
autoconf Revert accidental last patch 2008-11-20 04:28:08 +00:00
bindings
cmake CMake: Do not rebuild the world when tblgen changes but the .inc files 2008-11-21 00:18:45 +00:00
docs Small formatting change. 2008-11-26 19:19:05 +00:00
examples reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an 2008-11-21 16:42:48 +00:00
include On x86 favors folding short immediate into some arithmetic operations (e.g. add, and, xor, etc.) because materializing an immediate in a register is expensive in turns of code size. 2008-11-27 00:49:46 +00:00
lib Make jump threading substantially more powerful, in the following ways: 2008-11-27 05:07:53 +00:00
projects
runtime
test Make jump threading substantially more powerful, in the following ways: 2008-11-27 05:07:53 +00:00
tools Disallow multiple edges. 2008-11-26 22:59:45 +00:00
utils On x86 favors folding short immediate into some arithmetic operations (e.g. add, and, xor, etc.) because materializing an immediate in a register is expensive in turns of code size. 2008-11-27 00:49:46 +00:00
website
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build-for-llvm-top.sh
CMakeLists.txt CMake: Option for building with -fPIC. 2008-11-20 19:13:51 +00:00
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
Makefile
Makefile.common
Makefile.config.in
Makefile.rules Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files. 2008-11-24 07:34:46 +00:00
ModuleInfo.txt
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 HTML documentation provided in docs/index.html for further
assistance with LLVM.