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Diffstat (limited to 'include/Support/Statistic.h')
-rw-r--r-- | include/Support/Statistic.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/include/Support/Statistic.h b/include/Support/Statistic.h deleted file mode 100644 index 79d8f9d..0000000 --- a/include/Support/Statistic.h +++ /dev/null @@ -1,89 +0,0 @@ -//===-- Support/Statistic.h - Easy way to expose stats ----------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines the 'Statistic' class, which is designed to be an easy way -// to expose various success metrics from passes. These statistics are printed -// at the end of a run, when the -stats command line option is enabled on the -// command line. -// -// This is useful for reporting information like the number of instructions -// simplified, optimized or removed by various transformations, like this: -// -// static Statistic<> NumInstsKilled("gcse", "Number of instructions killed"); -// -// Later, in the code: ++NumInstsKilled; -// -//===----------------------------------------------------------------------===// - -#ifndef SUPPORT_STATISTIC_H -#define SUPPORT_STATISTIC_H - -#include <iostream> - -namespace llvm { - -// StatisticBase - Nontemplated base class for Statistic<> class... -class StatisticBase { - const char *Name; - const char *Desc; - static unsigned NumStats; -protected: - StatisticBase(const char *name, const char *desc) : Name(name), Desc(desc) { - ++NumStats; // Keep track of how many stats are created... - } - virtual ~StatisticBase() {} - - // destroy - Called by subclass dtor so that we can still invoke virtual - // functions on the subclass. - void destroy() const; - - // printValue - Overridden by template class to print out the value type... - virtual void printValue(std::ostream &o) const = 0; - - // hasSomeData - Return true if some data has been aquired. Avoid printing - // lots of zero counts. - // - virtual bool hasSomeData() const = 0; -}; - -// Statistic Class - templated on the data type we are monitoring... -template <typename DataType=unsigned> -class Statistic : private StatisticBase { - DataType Value; - - virtual void printValue(std::ostream &o) const { o << Value; } - virtual bool hasSomeData() const { return Value != DataType(); } -public: - // Normal constructor, default initialize data item... - Statistic(const char *name, const char *desc) - : StatisticBase(name, desc), Value(DataType()) {} - - // Constructor to provide an initial value... - Statistic(const DataType &Val, const char *name, const char *desc) - : StatisticBase(name, desc), Value(Val) {} - - // Print information when destroyed, iff command line option is specified - ~Statistic() { destroy(); } - - // Allow use of this class as the value itself... - operator DataType() const { return Value; } - const Statistic &operator=(DataType Val) { Value = Val; return *this; } - const Statistic &operator++() { ++Value; return *this; } - DataType operator++(int) { return Value++; } - const Statistic &operator--() { --Value; return *this; } - DataType operator--(int) { return Value--; } - const Statistic &operator+=(const DataType &V) { Value += V; return *this; } - const Statistic &operator-=(const DataType &V) { Value -= V; return *this; } - const Statistic &operator*=(const DataType &V) { Value *= V; return *this; } - const Statistic &operator/=(const DataType &V) { Value /= V; return *this; } -}; - -} // End llvm namespace - -#endif |