Hal Finkel 8f2e700522 Add getUnrollingPreferences to TTI ...

Allow targets to customize the default behavior of the generic loop unrolling
transformation. This will be used by the PowerPC backend when targeting the A2
core (which is in-order with a deep pipeline), and using more aggressive
defaults is important.

llvm-svn: 190542

2013-09-11 19:25:43 +00:00

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