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path: root/lib/CodeGen/PreAllocSplitting.cpp
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2008-10-24Avoid splitting an interval multiple times; avoid splitting ↵Evan Cheng
re-materializable val# (for now). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58068 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-23Committing a good chunk of the pre-register allocation live interval ↵Evan Cheng
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58044 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-20Add skeleton for the pre-register allocation live interval splitting pass.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57847 91177308-0d34-0410-b5e6-96231b3b80d8
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