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LLVM backend for 6502
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57fc82d409
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Dan Gohman 57fc82d409 Generalize ExtendUsesToFormExtLoad to be usable for ANY_EXTEND, 
in addition to ZERO_EXTEND and SIGN_EXTEND. Fix a bug in the
way it checked for live-out values, and simplify the way it
find users by using SDNode::use_iterator's (relatively) new
features. Also, make it slightly more permissive on targets
with free truncates.

In SelectionDAGBuild, avoid creating ANY_EXTEND nodes that are
larger than necessary. If the target's SwitchAmountTy has
enough bits, use it. This exposes the truncate to optimization
early, enabling more optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-09 03:51:29 +00:00
autoconf Detect that we're building from a git checkout like we do for cvs and svn. 2009-04-01 04:39:25 +00:00
bindings Fix a parallel make race condition by swapping the order of -I directories. 2009-03-06 00:00:58 +00:00
cmake CMake: Added notes pointing to the LLVM CMake documentation. 2009-04-04 22:52:02 +00:00
docs Remove AllowInverse: it leaks memory and is not the right 2009-04-08 03:43:51 +00:00
examples Another attempt at fixing PR2975. 2009-04-07 17:23:02 +00:00
include Convert TargetRegisterInfo's super-register checking to use a pre-computed hash table just like subregister checking does. 2009-04-09 03:50:16 +00:00
lib Generalize ExtendUsesToFormExtLoad to be usable for ANY_EXTEND, 2009-04-09 03:51:29 +00:00
projects Revert r67655 and r67656, as they are breaking the build. I'm 2009-03-25 00:52:11 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test Generalize ExtendUsesToFormExtLoad to be usable for ANY_EXTEND, 2009-04-09 03:51:29 +00:00
tools Accommodate empty string for build type. This was previously causing an error 2009-04-08 17:28:16 +00:00
unittests Fix pointer casting problem. 2009-04-09 03:10:03 +00:00
utils Convert TargetRegisterInfo's super-register checking to use a pre-computed hash table just like subregister checking does. 2009-04-09 03:50:16 +00:00
website
win32 Update hand-crafted VC++ build. 2009-02-02 19:22:02 +00:00
Xcode
build-for-llvm-top.sh
CMakeLists.txt CMake: Added notes pointing to the LLVM CMake documentation. 2009-04-04 22:52:02 +00:00
configure Revert r66765 and r66766. These were causing build failures on Darwin. 2009-03-12 04:10:09 +00:00
CREDITS.TXT Test commit access to LLVM with some minor narcissism. 2009-04-03 21:41:52 +00:00
LICENSE.TXT Another great year for LLVM! 2009-02-26 15:17:13 +00:00
llvm.spec.in
Makefile Remove ccc now. Radar 6737767 2009-04-07 20:29:25 +00:00
Makefile.common
Makefile.config.in Autodetect the availability of -export-dynamic in the linker. 2009-03-05 08:20:21 +00:00
Makefile.rules Avoid -O3 on Darwin for now. 2009-04-06 19:58:11 +00:00
ModuleInfo.txt
README.txt README.txt: test commit w/blank line appended 2009-03-23 21:00:45 +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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