[PATCH] D20579: [esan] Add circular buffer data structure

[Derek Bruening via llvm-commits]

bruening created this revision.
bruening added a reviewer: aizatsky.
bruening added subscribers: llvm-commits, eugenis, kcc, zhaoqin, vitalybuka.
Herald added a subscriber: kubabrecka.

Adds a new class, CircularBuffer, for holding a wrap-around fixed-size
sequence of a primitive data type.  This will be used initially by the
working set tool.

Adds a unit test for CircularBuffer, including infrastructure support to
include esan headers and to link with the esan library by pretending to
want the working set tool.

http://reviews.llvm.org/D20579

Files:
  lib/esan/esan_circular_buffer.h
  test/esan/Unit/circular_buffer.cpp
  test/esan/lit.cfg

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