Kyle Butt 04300b033e CodeGen: BlockPlacement: Clear ComputedEdges between functions. ...

Not clearing was causing non-deterministic compiles for large files. Addresses
for MachineBasicBlocks would end up colliding and we would lay out a block that
we assumed had been pre-computed when it had not been.

llvm-svn: 300022

2017-04-12 03:18:20 +00:00

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