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path: root/llvm/lib/CodeGen/AllocationOrder.cpp
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* Use AllocationOrder in RegAllocGreedy, fix a bug in the hint calculation.Jakob Stoklund Olesen2010-12-101-4/+4
| | | | llvm-svn: 121584
* Add an AllocationOrder class that can iterate over the allocatable physicalJakob Stoklund Olesen2010-12-101-0/+68
registers for a given virtual register. Reserved registers are filtered from the allocation order, and any valid hint is returned as the first suggestion. For target dependent hints, a number of arcane target hooks are invoked. llvm-svn: 121497
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