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CLang optimizations on Mac OSX

Version:

Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin14.1.0
Thread model: posix

This was made with commands:

	//===- MyPass.cpp - Example pass ----------------- C++ --===//

	#define DEBUG_TYPE "mypass"

	#include "llvm/IR/Function.h"
	#include "llvm/IR/Module.h"
	#include "llvm/Pass.h"
	#include "llvm/ADT/Statistic.h"
	#include "llvm/Support/Casting.h"
	#include "llvm/Support/raw_ostream.h"