X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FTimer.h;h=a7418827ca3239cfe2564188c090b1bb3637c84e;hb=5df15c692b944b6c46ec6d532fc286b7e0000d5d;hp=59bab1d4741b775f1e93db51b787b32c0cb25108;hpb=9fa0eff30a0d4fcbc84ac3ada4c47620b5449043;p=oota-llvm.git

diff --git a/include/llvm/Support/Timer.h b/include/llvm/Support/Timer.h
index 59bab1d4741..a7418827ca3 100644
--- a/include/llvm/Support/Timer.h
+++ b/include/llvm/Support/Timer.h
@@ -15,7 +15,9 @@
 #ifndef LLVM_SUPPORT_TIMER_H
 #define LLVM_SUPPORT_TIMER_H
 
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/ADT/StringRef.h"
 #include <cassert>
 #include <string>
 #include <vector>
@@ -85,9 +87,11 @@ class Timer {
   std::string Name;      // The name of this time variable.
   bool Started;          // Has this time variable ever been started?
   TimerGroup *TG;        // The TimerGroup this Timer is in.
+  
+  Timer **Prev, *Next;   // Doubly linked list of timers in the group.
 public:
-  explicit Timer(const std::string &N) : TG(0) { init(N); }
-  Timer(const std::string &N, TimerGroup &tg) : TG(0) { init(N, tg); }
+  explicit Timer(StringRef N) : TG(0) { init(N); }
+  Timer(StringRef N, TimerGroup &tg) : TG(0) { init(N, tg); }
   Timer(const Timer &RHS) : TG(0) {
     assert(RHS.TG == 0 && "Can only copy uninitialized timers");
   }
@@ -99,8 +103,8 @@ public:
 
   // Create an uninitialized timer, client must use 'init'.
   explicit Timer() : TG(0) {}
-  void init(const std::string &N);
-  void init(const std::string &N, TimerGroup &tg);
+  void init(StringRef N);
+  void init(StringRef N, TimerGroup &tg);
   
   const std::string &getName() const { return Name; }
   bool isInitialized() const { return TG != 0; }
@@ -127,18 +131,16 @@ private:
 ///
 class TimeRegion {
   Timer *T;
-  TimeRegion(const TimeRegion &); // DO NOT IMPLEMENT
+  TimeRegion(const TimeRegion &) LLVM_DELETED_FUNCTION;
 public:
   explicit TimeRegion(Timer &t) : T(&t) {
     T->startTimer();
   }
   explicit TimeRegion(Timer *t) : T(t) {
-    if (T)
-      T->startTimer();
+    if (T) T->startTimer();
   }
   ~TimeRegion() {
-    if (T)
-      T->stopTimer();
+    if (T) T->stopTimer();
   }
 };
 
@@ -149,9 +151,10 @@ public:
 /// is primarily used for debugging and for hunting performance problems.
 ///
 struct NamedRegionTimer : public TimeRegion {
-  explicit NamedRegionTimer(const std::string &Name);
-  explicit NamedRegionTimer(const std::string &Name,
-                            const std::string &GroupName);
+  explicit NamedRegionTimer(StringRef Name,
+                            bool Enabled = true);
+  explicit NamedRegionTimer(StringRef Name, StringRef GroupName,
+                            bool Enabled = true);
 };
 
 
@@ -162,24 +165,29 @@ struct NamedRegionTimer : public TimeRegion {
 ///
 class TimerGroup {
   std::string Name;
-  unsigned NumTimers;
+  Timer *FirstTimer;   // First timer in the group.
   std::vector<std::pair<TimeRecord, std::string> > TimersToPrint;
+  
+  TimerGroup **Prev, *Next; // Doubly linked list of TimerGroup's.
+  TimerGroup(const TimerGroup &TG) LLVM_DELETED_FUNCTION;
+  void operator=(const TimerGroup &TG) LLVM_DELETED_FUNCTION;
 public:
-  explicit TimerGroup(const std::string &name) : Name(name), NumTimers(0) {}
-  explicit TimerGroup() : NumTimers(0) {}
+  explicit TimerGroup(StringRef name);
+  ~TimerGroup();
+
+  void setName(StringRef name) { Name.assign(name.begin(), name.end()); }
+
+  /// print - Print any started timers in this group and zero them.
+  void print(raw_ostream &OS);
   
-  void setName(const std::string &name) { Name = name; }
+  /// printAll - This static method prints all timers and clears them all out.
+  static void printAll(raw_ostream &OS);
   
-  ~TimerGroup() {
-    assert(NumTimers == 0 &&
-           "TimerGroup destroyed before all contained timers!");
-  }
-
 private:
   friend class Timer;
-  void addTimer();
-  void removeTimer();
-  void addTimerToPrint(const TimeRecord &T, const std::string &Name);
+  void addTimer(Timer &T);
+  void removeTimer(Timer &T);
+  void PrintQueuedTimers(raw_ostream &OS);
 };
 
 } // End llvm namespace