[PATCH] Break dependencies in large loops containing reductions (LoopVectorize)

[Olivier Sallenave]

> Maybe I'm not understanding exactly what you're proposing. Are you going to calculate the critical path length in units of instructions, or using the throughput costs, or using some latency measure?


CriticalPathLength and LoopLength are both in units of instructions.


http://reviews.llvm.org/D7514

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