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[Hexagon] segv while processing SUnit with nullNodePtr

Authored by ronl on Sep 17 2016, 9:21 AM.

Description

[Hexagon] segv while processing SUnit with nullNodePtr

Added BoundaryNode check to isBestZeroLatency function.

llvm-svn: 281825

Details

Committed
ronlSep 17 2016, 9:21 AM
Parents
rGac0fc849cf53: AMDGPU: Fix broken FrameIndex handling
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