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LLVM backend for 6502
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71fbed45d9
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Jakob Stoklund Olesen 71fbed45d9 Tweak MachineLICM heuristics for cheap instructions. 
Allow cheap instructions to be hoisted if they are register pressure
neutral or better. This happens if the instruction is the last loop use
of another virtual register.

Only expensive instructions are allowed to increase loop register
pressure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154455 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11 00:00:28 +00:00
autoconf Fix a problem in the target detection for Debian GNU/HURD 2012-04-05 19:34:15 +00:00
bindings
cmake
docs Express the number of ULPs in fpaccuracy metadata as a real rather than a 2012-04-10 08:22:43 +00:00
examples
include The MDString class stored a StringRef to the string which was already in a 2012-04-10 20:12:16 +00:00
lib Tweak MachineLICM heuristics for cheap instructions. 2012-04-11 00:00:28 +00:00
projects Fix a problem in the target detection for Debian GNU/HURD 2012-04-05 19:34:15 +00:00
runtime Use the correct filename for the error message. 2012-03-28 02:39:06 +00:00
test Fix test to be register assignment invariant. 2012-04-11 00:00:24 +00:00
tools llvm-stress: stop abusing ConstantFP::get() 2012-04-10 22:44:51 +00:00
unittests Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
utils TableGen/reginfo potential bug: typo from previous checkin. 2012-04-10 23:53:32 +00:00
.gitignore
CMakeLists.txt Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
configure Fix a problem in the target detection for Debian GNU/HURD 2012-04-05 19:34:15 +00:00
CREDITS.TXT
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in
LLVMBuild.txt
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Makefile.common
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README.txt

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