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Commit 919f15a1 authored by Lang Hames's avatar Lang Hames
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[PBQP] Fix PR33038 by pruning empty intervals in initializeGraph. 

Spilling may cause previously non-empty intervals (both for the spilled vreg
and others) to become empty. Moving the pruning into initializeGraph catches
these cases and fixes PR33038.

llvm-svn: 325632
parent f187c4d2
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