Andrew Trick f4baeaf848 RABasic is nearly functionally complete. There are a few remaining ...

benchmarks hitting an assertion.
Adds LiveIntervalUnion::collectInterferingVRegs.
Fixes "late spilling" by checking for any unspillable live vregs among
all physReg aliases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118701 91177308-0d34-0410-b5e6-96231b3b80d8

2010-11-10 19:18:47 +00:00

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