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2010 Sep 20
4
[LLVMdev] Supporting Complex Register Allocation Constraints (PBQP Allocator Status Update)
Hi All,
I've just committed some changes to the PBQP allocator which are designed to
make it easier to implement custom register allocation constraints. This is
a quick summary of those changes, and of the status of the PBQP allocator in
general.
First a quick bit of background:
The PBQP allocator is based on ideas described in [1]. I implemented this
algorithm (with the improved heuristic