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LLVM backend for 6502
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Chris Lattner 47cdf4abff Make the NDEBUG assertion stronger and more clear what is 
happening.

Enhance scheduling to set the DEAD flag on implicit defs
more aggressively.  Before, we'd set an implicit def operand
to dead if it were present in the SDNode corresponding to
the machineinstr but had no use.  Now we do it in this case
AND if the implicit def does not exist in the SDNode at all.

This exposes a couple of problems: one is the FIXME, which
causes a live intervals crash on CodeGen/X86/sibcall.ll.
The second is that it makes machinecse and licm more 
aggressive (which is a good thing) but also exposes a case
where licm hoists a set0 and then it doesn't get resunk.

Talking to codegen folks about both these issues, but I need
this patch in in the meantime.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99485 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25 05:40:48 +00:00
autoconf Force configuration of some projects before others. In particular, some 2010-03-19 21:31:39 +00:00
bindings Add OCaml tutorial to the examples. 2010-03-08 19:32:27 +00:00
cmake Tell Valgrind when we modify already-executed machine code so it knows 2010-03-15 04:57:55 +00:00
docs Docuemntation corrections from John Myers. 2010-03-25 00:03:04 +00:00
examples Fix the ocaml kaleidoscope tutorial to fix linking external libraries. 2010-03-21 23:15:13 +00:00
include Reapply r99451 with a fix to move the NoInline check to the cost functions 2010-03-25 04:49:10 +00:00
lib Make the NDEBUG assertion stronger and more clear what is 2010-03-25 05:40:48 +00:00
projects Testing subversion commit access 2010-02-23 15:11:17 +00:00
runtime disable this for mingw as well, we really need a 'has no dynamic linking' predicate. 2010-03-06 18:54:37 +00:00
test Make the NDEBUG assertion stronger and more clear what is 2010-03-25 05:40:48 +00:00
tools Trim #includes. 2010-03-24 19:56:17 +00:00
unittests another one 2010-03-18 18:59:08 +00:00
utils add plumbing for handling multiple result nodes 2010-03-24 00:41:19 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt CMake: Add options for using static runtime on MSVC++ build. 2010-03-18 13:52:05 +00:00
configure Force configuration of some projects before others. In particular, some 2010-03-19 21:31:39 +00:00
CREDITS.TXT Adding the MicroBlaze backend. 2010-02-23 19:15:24 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile modernize the do-all-for-me target to run lit 2010-03-21 22:23:02 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Rewrite makefiles to explicitly reference DESTDIR to fix bug 3153. 2010-03-04 20:56:19 +00:00
Makefile.rules remove arm mode workaround for ARM host 2010-03-17 21:28:19 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt Give packagers some advice about how to build LLVM so it's useful to 2010-02-26 00:54:42 +00:00

README.txt 

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

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