[llvm-commits] CVS: reopt/lib/LightWtProfiling/SecondTrigger.cpp

[Brian Gaeke]

Changes in directory reopt/lib/LightWtProfiling:

SecondTrigger.cpp updated: 1.36 -> 1.37
---
Log message:

Add some statistics.


---
Diffs of the changes:  (+7 -0)

Index: reopt/lib/LightWtProfiling/SecondTrigger.cpp
diff -u reopt/lib/LightWtProfiling/SecondTrigger.cpp:1.36 reopt/lib/LightWtProfiling/SecondTrigger.cpp:1.37
--- reopt/lib/LightWtProfiling/SecondTrigger.cpp:1.36	Mon Oct  4 15:15:27 2004
+++ reopt/lib/LightWtProfiling/SecondTrigger.cpp	Tue Nov  9 15:40:55 2004
@@ -19,6 +19,7 @@
 #include "ReoptimizerInternal.h"
 #include "RegSaveRestore.h"
 #include "llvm/ADT/SetVector.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
@@ -50,6 +51,10 @@
 static std::map<uint64_t, std::pair<long, long> > backOffCounters;
 
 std::map<uint64_t, uint64_t> firstTriggerAddr;
+
+static Statistic<unsigned> FoundTraces ("reopt", "Number of traces found");
+static Statistic<unsigned> RejectedTraces ("reopt",
+ "Number of traces rejected by trace optimizer");
  
 extern "C" void llvm_time_start(){
   cpc_count_usr_events(1);
@@ -552,12 +557,14 @@
   // Check whether to use the new trace optimizer which works on
   // vectors of llvm basic blocks, or the old trace layout engine
   // which works on SPARC instructions.
+  ++FoundTraces;
   if (enable_trace_optimizer) {
     //use path 0 to form vBB
     std::vector<BasicBlock *> vBB;
     constructFullVBB (paths, start, vBB);
     if (vBB.empty()) return;
     if (!optimizeTrace (vBB, firstLevelTraceStartAddr)) {
+      ++RejectedTraces;
       // give up.
       tr->patchTrace(firstLevelTraceStartAddr);
 	  vm->writeBranchInstruction(firstLevelTraceStartAddr, start);