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path: root/llvm/lib/CodeGen/PreAllocSplitting.cpp
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* Avoid splitting an interval multiple times; avoid splitting ↵Evan Cheng2008-10-241-51/+106
| | | | | | re-materializable val# (for now). llvm-svn: 58068
* Committing a good chunk of the pre-register allocation live interval ↵Evan Cheng2008-10-231-12/+571
| | | | | | splitting pass. It's handling simple cases and appear to do good things. Next: avoid splitting an interval multiple times; renumber registers when possible; record stack slot live intervals for coloring; rematerialize defs when possible. llvm-svn: 58044
* Add skeleton for the pre-register allocation live interval splitting pass.Evan Cheng2008-10-201-0/+81
llvm-svn: 57847
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