Easwaran Raman 0651a407f6 Refactor inline costs analysis by removing the InlineCostAnalysis class
InlineCostAnalysis is an analysis pass without any need for it to be one.
Once it stops being an analysis pass, it doesn't maintain any useful state
and the member functions inside can be made free functions. NFC.

Differential Revision: http://reviews.llvm.org/D15701



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256521 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-28 20:28:19 +00:00
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