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Diffstat (limited to 'include/Support/StatisticReporter.h')
-rw-r--r-- | include/Support/StatisticReporter.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/include/Support/StatisticReporter.h b/include/Support/StatisticReporter.h deleted file mode 100644 index 8f6ed79da8..0000000000 --- a/include/Support/StatisticReporter.h +++ /dev/null @@ -1,90 +0,0 @@ -//===-- Support/StatisticReporter.h - Easy way to expose stats ---*- C++ -*-==// -// -// 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<> NumInstEliminated("GCSE - Number of instructions killed"); -// -// Later, in the code: ++NumInstEliminated; -// -//===----------------------------------------------------------------------===// - -#ifndef SUPPORT_STATISTIC_REPORTER_H -#define SUPPORT_STATISTIC_REPORTER_H - -#include <iosfwd> - -// DebugFlag - This boolean is set to true if the '-debug' command line option -// is specified. This should probably not be referenced directly, instead, use -// the DEBUG macro below. -// -extern bool DebugFlag; - -// DEBUG macro - This macro should be used by passes to emit debug information. -// In the '-debug' option is specified on the commandline, and if this is a -// debug build, then the code specified as the option to the macro will be -// executed. Otherwise it will not be. Example: -// -// DEBUG(cerr << "Bitset contains: " << Bitset << "\n"); -// -#ifdef NDEBUG -#define DEBUG(X) -#else -#define DEBUG(X) \ - do { if (DebugFlag) { X; } } while (0) -#endif - - -// StatisticBase - Nontemplated base class for Statistic<> class... -class StatisticBase { - const char *Name; -protected: - StatisticBase(const char *name) : Name(name) {} - 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) : StatisticBase(name), Value(DataType()) {} - - // Constructor to provide an initial value... - Statistic(const DataType &Val, const char *name) - : StatisticBase(name), Value(Val) {} - - // Print information when destroyed, iff command line option is specified - ~Statistic() { destroy(); } - - // Allow use of this class as the value itself... - inline operator DataType() const { return Value; } - inline const DataType &operator=(DataType Val) { Value = Val; return Value; } - inline const DataType &operator++() { return ++Value; } - inline DataType operator++(int) { return Value++; } - inline const DataType &operator+=(const DataType &V) { return Value += V; } - inline const DataType &operator-=(const DataType &V) { return Value -= V; } -}; - -#endif |