Andrew Trick f11344d770 Check TRI->getReservedRegs because other allocators do it. Even though ...

it makes no sense for allocation_order iterators to visit reserved regs.
The inline spiller depends on AliasAnalysis.
Manage the Query state to avoid uninitialized or stale results.

llvm-svn: 118800

2010-11-11 17:46:29 +00:00

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