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author | Chris Lattner <sabre@nondot.org> | 2006-12-08 20:00:42 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2006-12-08 20:00:42 +0000 |
commit | 975f05852d15c98540b50de7df704d67e5a794cd (patch) | |
tree | 0fd0c62d8a08823565c49a2bd4667d71574c2644 /include/llvm/ADT/Statistic.h | |
parent | 4d9a186b10dacf1d702ef32c2638e9016d8f483b (diff) | |
download | external_llvm-975f05852d15c98540b50de7df704d67e5a794cd.zip external_llvm-975f05852d15c98540b50de7df704d67e5a794cd.tar.gz external_llvm-975f05852d15c98540b50de7df704d67e5a794cd.tar.bz2 |
Change the implementation of statistic to not need destructors at all.
Instead, the stat info is printed when llvm_shutdown() is called.
These also don't need static ctors, but getting rid of them is uglier:
still investigating. This reduces the number of static dtors in llvm from
~1400 to ~750.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32372 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/Statistic.h')
-rw-r--r-- | include/llvm/ADT/Statistic.h | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/include/llvm/ADT/Statistic.h b/include/llvm/ADT/Statistic.h index dd44f27..74abe64 100644 --- a/include/llvm/ADT/Statistic.h +++ b/include/llvm/ADT/Statistic.h @@ -31,29 +31,36 @@ namespace llvm { class Statistic { const char *Name; const char *Desc; - unsigned Value; - static unsigned NumStats; + unsigned Value : 31; + bool Initialized : 1; public: // Normal constructor, default initialize data item... Statistic(const char *name, const char *desc) - : Name(name), Desc(desc), Value(0) { - ++NumStats; // Keep track of how many stats are created... + : Name(name), Desc(desc), Value(0), Initialized(0) { } - // Print information when destroyed, iff command line option is specified - ~Statistic(); - - // Allow use of this class as the value itself... + unsigned getValue() const { return Value; } + const char *getName() const { return Name; } + const char *getDesc() const { return Desc; } + + // Allow use of this class as the value itself. operator unsigned() const { return Value; } - const Statistic &operator=(unsigned Val) { Value = Val; return *this; } - const Statistic &operator++() { ++Value; return *this; } - unsigned operator++(int) { return Value++; } - const Statistic &operator--() { --Value; return *this; } - unsigned operator--(int) { return Value--; } - const Statistic &operator+=(const unsigned &V) { Value += V; return *this; } - const Statistic &operator-=(const unsigned &V) { Value -= V; return *this; } - const Statistic &operator*=(const unsigned &V) { Value *= V; return *this; } - const Statistic &operator/=(const unsigned &V) { Value /= V; return *this; } + const Statistic &operator=(unsigned Val) { Value = Val; return init(); } + const Statistic &operator++() { ++Value; return init(); } + unsigned operator++(int) { init(); return Value++; } + const Statistic &operator--() { --Value; return init(); } + unsigned operator--(int) { init(); return Value--; } + const Statistic &operator+=(const unsigned &V) { Value += V; return init(); } + const Statistic &operator-=(const unsigned &V) { Value -= V; return init(); } + const Statistic &operator*=(const unsigned &V) { Value *= V; return init(); } + const Statistic &operator/=(const unsigned &V) { Value /= V; return init(); } + +private: + Statistic &init() { + if (!Initialized) RegisterStatistic(); + return *this; + } + void RegisterStatistic(); }; } // End llvm namespace |