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LLVM backend for 6502
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09c45d2fe8
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Jakob Stoklund Olesen 09c45d2fe8 Handle an empty dupli. 
This can happen if the original interval has been broken into two disconnected
parts. Ideally, we should be able to detect when the graph is disconnected and
create separate intervals, but that code is not implemented yet.

Example:

Two basic blocks are both branching to a loop header. Our interval is defined in
both basic blocks, and live into the loop along both edges.

We decide to split the interval around the loop. The interval is split into an
inside part and an outside part. The outside part now has two disconnected
segments, one in each basic block.

If we later decide to split the outside interval into single blocks, we get one
interval per basic block and an empty dupli for the remainder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110976 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12 23:02:57 +00:00
autoconf configure: Add detection of the linker version string. 2010-08-11 23:53:59 +00:00
bindings Implement the "linker_private_weak" linkage type. This will be used for 2010-07-01 21:55:59 +00:00
cmake CMake: corrections on LLVM.cmake external services. 2010-08-11 00:51:32 +00:00
docs CMake: document how to incorporate LLVM into the cmake project of an 2010-08-09 03:26:48 +00:00
examples upgrade to use new intrinsics, patch by Dan Hipschman! 2010-08-10 21:45:38 +00:00
include Also recompute HasPHIKill flags in LiveInterval::RenumberValues. 2010-08-12 20:38:03 +00:00
lib Handle an empty dupli. 2010-08-12 23:02:57 +00:00
projects Remove bogus link. 2010-07-16 06:33:36 +00:00
runtime Delete a blank line. 2010-04-16 13:32:55 +00:00
test fix PR7876: If ipsccp decides that a function's address is taken 2010-08-12 22:25:23 +00:00
tools llvm-mc: Add -show-inst-operands, for dumping the parsed instruction representation before matching. 2010-08-11 06:37:09 +00:00
unittests Add a 'normalize' method to the Triple class, which takes a mucked up 2010-08-12 11:31:39 +00:00
utils Cleaned up the for-disassembly-only entries in the arm instruction table so that 2010-08-12 20:46:17 +00:00
website
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt CMake: system for providing llvm-config-like features to the user. 2010-08-09 03:26:43 +00:00
configure configure: Add detection of the linker version string. 2010-08-11 23:53:59 +00:00
CREDITS.TXT long past time I added myself to this, I suppose. 2010-07-19 22:04:28 +00:00
LICENSE.TXT 2010 is upon us. 2010-01-09 18:40:31 +00:00
llvm.spec.in
Makefile tests: Kill off custom targets which were just there for TestRunner.sh. 2010-08-02 00:52:44 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Make the makefiles go much faster by using the realpath 2010-08-03 22:53:22 +00:00
Makefile.rules Simplify generating LLVMC_BUILTIN_PLUGIN. 2010-08-10 14:49:29 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt (Hopefully) One last test. 2010-07-27 00:04:55 +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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