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LLVM backend for 6502
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Jakob Stoklund Olesen b4666364f4 Prepare RAGreedy::growRegion for compact regions. 
A split candidate can have a null PhysReg which means that it doesn't
map to a real interference pattern. Instead, pretend that all through
blocks have interference.

This makes it possible to generate compact regions where the live range
doesn't go through blocks that don't use it. The live range will still
be live between directly connected blocks with uses.

Splitting around a compact region tends to produce a live range with a
high spill weight, so it may evict a less dense live range.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23 03:22:33 +00:00
autoconf Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo, 2011-07-22 21:58:54 +00:00
bindings
cmake Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo, 2011-07-22 21:58:54 +00:00
docs add section to ToC 2011-07-22 21:36:29 +00:00
examples
include Fix a silly off by one. 2011-07-23 03:04:46 +00:00
lib Prepare RAGreedy::growRegion for compact regions. 2011-07-23 03:22:33 +00:00
projects
runtime
test Move the last uses of RetainFunc etc. over to using getRetainCallee() etc. 2011-07-22 22:29:21 +00:00
tools Move TargetAsmParser.h TargetAsmBackend.h and TargetAsmLexer.h to MC where they belong. 2011-07-23 00:45:41 +00:00
unittests
utils We always bounds check the bit set, there is no need to emit zero bytes at the end. 2011-07-23 02:49:37 +00:00
website
.gitignore
build-for-llvm-top.sh
CMakeLists.txt Added the infrastructute necessary for MIPS JIT support. Patch by Vladimir 2011-07-21 16:28:51 +00:00
configure Combine all MC initialization routines into one. e.g. InitializeX86MCAsmInfo, 2011-07-22 21:58:54 +00:00
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