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Commit 3bff6110 authored by Carl Ritson's avatar Carl Ritson
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[PHIElimination] Handle subranges in LiveInterval updates 

Add handling for subrange updates in LiveInterval preservation.
This requires extending MachineBasicBlock::SplitCriticalEdge
to also update subrange intervals.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D158144
parent 7ec8fd4c
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