Lang Hames 919f15a1b4 [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

2018-02-20 22:15:09 +00:00

33 KiB

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