[PATCH] D62165: [MachinePipeliner][NFC] Add some debug log and statistics

[Jinsong Ji via Phabricator via llvm-commits]

jsji created this revision.
jsji added reviewers: bcahoon, kparzysz, nemanjai, kbarton, hfinkel, steven.zhang.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.
jsji added a parent revision: D62164: [PowerPC] Enable MachinePipeliner for P9 with  -ppc-enable-pipeliner.

Add some log and  statistics for debugging


Repository:
  rL LLVM

https://reviews.llvm.org/D62165

Files:
  llvm/lib/CodeGen/MachinePipeliner.cpp

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