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LLVM backend for 6502
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Jakob Stoklund Olesen 08e791fdb3 Don't coalesce a physical register with an incompatible virtual register. 
If the physical register does not belong to the virtual register's regclass,
don't coalesce. The physical register could be an invalid operand for an
instruction using the vreg.

The regclass matching is done after determining the actual subregisters being copied.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70298 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28 16:34:35 +00:00
autoconf Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
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docs Fix some confusion in the Ada f-e build instructions between 2009-04-27 11:21:35 +00:00
examples silence a warning. 2009-04-15 00:16:05 +00:00
include Initialized arrays can be in any address space. 2009-04-28 16:34:20 +00:00
lib Don't coalesce a physical register with an incompatible virtual register. 2009-04-28 16:34:35 +00:00
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test Fix PR4034. Bug in LiveInterval::join when it's compacting new valno's. 2009-04-28 06:24:09 +00:00
tools r70270 isn't ready yet. Back this out. Sorry for the noise. 2009-04-28 01:04:53 +00:00
unittests Add tests for WeakVH and AssertingVH. These pointed out that the overloads for 2009-04-27 20:32:07 +00:00
utils r70270 isn't ready yet. Back this out. Sorry for the noise. 2009-04-28 01:04:53 +00:00
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CMakeLists.txt
configure Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
CREDITS.TXT Initial test commit 2009-04-28 06:15:00 +00:00
LICENSE.TXT
llvm.spec.in
Makefile Use a bigger hammer to coerce subversion into english. 2009-04-24 17:00:03 +00:00
Makefile.common
Makefile.config.in Add a --enable-profiling option to configure to build Debug+Profile and 2009-04-17 14:49:22 +00:00
Makefile.rules Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
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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
assistance with LLVM.