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LLVM backend for 6502
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Chad Rosier b29b950bf2 Add support for emitting both signed- and zero-extend loads. Fix 
SimplifyAddress to handle either a 12-bit unsigned offset or the ARM +/-imm8
offsets (addressing mode 3).  This enables a load followed by an integer 
extend to be folded into a single load.

For example:
ldrb r1, [r0]       ldrb r1, [r0]
uxtb r2, r1     =>
mov  r3, r2         mov  r3, r1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144488 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-13 02:23:59 +00:00
autoconf Add an option '--enable-libcpp' that will have the compiler pass on 2011-11-11 22:51:42 +00:00
bindings Minor fixes in Makefiles for the OCaml bindings: 2011-11-09 12:00:39 +00:00
cmake Fix CRT selection logic when using CMake NMake generator. 2011-11-06 23:37:22 +00:00
docs LLVMBuild: Add explicit information on whether targets define an assembly printer, assembly parser, or disassembler. 2011-11-11 00:23:56 +00:00
examples build: Add initial cut at LLVMBuild.txt files. 2011-11-03 18:53:17 +00:00
include Prune more RALinScan. RALinScan was also here! 2011-11-13 01:33:10 +00:00
lib Add support for emitting both signed- and zero-extend loads. Fix 2011-11-13 02:23:59 +00:00
projects build: Add initial cut at LLVMBuild.txt files. 2011-11-03 18:53:17 +00:00
runtime PathProfiling.c: Get rid of using "inline". We may expect compiler shall optimize out "static" scope w/o "inline". 2011-11-08 12:03:14 +00:00
test Add support for emitting both signed- and zero-extend loads. Fix 2011-11-13 02:23:59 +00:00
tools llvm-config-2: Detect when we are running out of a BuildTools development tree, so that we can always provide library/include information for the real build directory. 2011-11-11 22:59:47 +00:00
unittests unittests/MultiJITTest.cpp: Tweak how to check symbol value for Win32 --enable-shared. 2011-11-09 08:30:43 +00:00
utils LLVMBuild: Add info for gtest. 2011-11-12 02:11:04 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt Revert r144300 "llvm-config: Replace with C++ version (was llvm-config-2).", 2011-11-10 19:59:35 +00:00
configure Add an option '--enable-libcpp' that will have the compiler pass on 2011-11-11 22:51:42 +00:00
CREDITS.TXT CREDITS.TXT: Add a line. (test commit) 2011-10-29 23:42:14 +00:00
LICENSE.TXT Happy new year. 2011-06-12 15:26:54 +00:00
llvm.spec.in
LLVMBuild.txt build: Add initial cut at LLVMBuild.txt files. 2011-11-03 18:53:17 +00:00
Makefile build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise than 2011-11-12 00:18:02 +00:00
Makefile.common
Makefile.config.in build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise than 2011-11-12 00:18:02 +00:00
Makefile.rules build/Make: Define a TARGET_NATIVE_ARCH variable to be a bit more precise than 2011-11-12 00:18:02 +00:00
README.txt test commit undo 2011-11-10 20:39:51 +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 HTML documentation provided in docs/index.html for further
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If you're writing a package for LLVM, see docs/Packaging.html for our
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