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* Spiller may unfold load / mod / store instructions as an optimization when ↵Evan Cheng2009-03-171-5/+21
| | | | | | the would be loaded value is available in a register. It needs to check if it's legal to clobber the register. Also, the register can contain values of multiple spill slots, make sure to check all instead of just the one being unfolded. llvm-svn: 67068
* Reorganize some #include's.Owen Anderson2009-03-121-4/+0
| | | | llvm-svn: 66780
* Reorganization: Move the Spiller out of VirtRegMap.cpp into its own files. ↵Owen Anderson2009-03-111-0/+312
No (intended) functionality change. llvm-svn: 66720
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