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LLVM backend for 6502
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eee962e1ce
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Dan Gohman eee962e1ce Teach InstCombine's ComputeMaskedBits to handle pointer expressions 
in addition to integer expressions. Rewrite GetOrEnforceKnownAlignment
as a ComputeMaskedBits problem, moving all of its special alignment
knowledge to ComputeMaskedBits as low-zero-bits knowledge.

Also, teach ComputeMaskedBits a few basic things about Mul and PHI
instructions.

This improves ComputeMaskedBits-based simplifications in a few cases,
but more noticeably it significantly improves instcombine's alignment
detection for loads, stores, and memory intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49492 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-10 18:43:06 +00:00
autoconf Adding ocamldoc generation. 2008-03-10 15:49:16 +00:00
bindings Expose Function::viewCFG and Function::viewCFGOnly to bindings. 2008-03-31 16:22:09 +00:00
docs Added note to getting started guide to use llvm-gcc4.2. 2008-04-07 18:32:25 +00:00
examples silence warning when assertions are disabled. 2008-04-08 05:49:09 +00:00
include Make isVectorClearMaskLegal's operand list const. 2008-04-09 20:09:42 +00:00
lib Teach InstCombine's ComputeMaskedBits to handle pointer expressions 2008-04-10 18:43:06 +00:00
projects remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Teach InstCombine's ComputeMaskedBits to handle pointer expressions 2008-04-10 18:43:06 +00:00
tools Move memcpy / memset optimization pass after GVN. 2008-04-10 01:33:05 +00:00
utils produce an error on invalid input instead of asserting: 2008-04-10 04:48:34 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Removed a deleted file from the VStudio System project. Also added custom build commands to engage 64 bit assembler for compilation callback on 64 bit configurations only. 2008-04-03 20:28:40 +00:00
Xcode Update project to reflect deleted files. 2008-03-23 16:49:47 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
configure Regenerate. 2008-03-10 15:49:38 +00:00
CREDITS.TXT Add Mikhail to credits file 2008-03-23 08:58:32 +00:00
LICENSE.TXT scoped_ptr.h was removed. 2008-02-09 22:50:06 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile a happier version of happiness 2008-03-21 22:17:07 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Reverting r48974. See PR2183 for details. 2008-03-31 16:46:23 +00:00
Makefile.rules Refresh Makefile.ocaml in objdir if it is modified in srcdir. 2008-03-10 15:58:40 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test 2007-04-20 20:49:25 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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LLVM is open source software. You may freely distribute it under the terms of
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Please see the HTML documentation provided in docs/index.html for further
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