[PATCH] D20027: [RegAlloc, NFC] Extract LastSplitPoint computation to a new class

[Wei Mi via llvm-commits]

wmi created this revision.
wmi added reviewers: qcolombet, MatzeB.
wmi added subscribers: llvm-commits, davidxl, echristo.
wmi set the repository for this revision to rL LLVM.

This is a preparing patch for http://reviews.llvm.org/D19884

Because both split and spill hoisting want to use LastSplitPoint computation result, extract the LastSplitPoint computation from SplitAnalysis class which also contains a bunch of other analysises only related to split.

Repository:
  rL LLVM

http://reviews.llvm.org/D20027

Files:
  lib/CodeGen/SplitKit.cpp
  lib/CodeGen/SplitKit.h

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