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LLVM backend for 6502
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Dan Gohman b08ba8824e Fix (at least) quadratic worst-case complexity in DominanceFrontier::splitBlock: 
don't visit all blocks in the function, and don't iterate over the split blocks'
predecessor lists for each block visited.

Also, remove the special-case test for the entry block. Splitting the entry
block isn't common enough to make this worthwhile.

This fixes a major compile-time bottleneck which is exposed now that
LoopSimplify isn't being redundantly run both before and after
DominanceFrontier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109408 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26 17:55:15 +00:00
autoconf Try to work around the relative install-sh path problem. 2010-07-22 21:13:40 +00:00
bindings Implement the "linker_private_weak" linkage type. This will be used for 2010-07-01 21:55:59 +00:00
cmake Don't link against libm and libpthread which don't exist in BeOS/Haiku. Also, 2010-06-23 06:48:34 +00:00
docs Document BUILD_EXAMPLES makefile variable 2010-07-24 17:54:00 +00:00
examples Convert some tab stops into spaces. 2010-07-12 08:16:59 +00:00
include MC: Add WinCOFFObjectWriter implementation. 2010-07-26 02:17:32 +00:00
lib Fix (at least) quadratic worst-case complexity in DominanceFrontier::splitBlock: 2010-07-26 17:55:15 +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 Support x86 "eiz" and "riz" pseudo index registers in the assembler. 2010-07-24 00:06:39 +00:00
tools Clone and restore the module being reduced in 2010-07-26 00:07:51 +00:00
unittests missed a use of SizeRequired. 2010-07-22 21:34:55 +00:00
utils 80-col. 2010-07-26 17:53:07 +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 start straightening out libedis's dependencies and make it fit 2010-07-20 18:25:19 +00:00
configure Regenerate. 2010-07-22 21:13:48 +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 Add support for a new Apple-style build target, EmbeddedSim, that builds 2010-07-20 20:44:02 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in typo in comment, regeneration not necessary 2010-07-07 13:58:46 +00:00
Makefile.rules Don't pass -export-dynamic to the linker on Cygwin and MinGW. These platforms 2010-07-25 22:33:04 +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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