[llvm-commits] [llvm] r136901 - /llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp

[Devang Patel]

Author: dpatel
Date: Thu Aug  4 13:45:38 2011
New Revision: 136901

URL: http://llvm.org/viewvc/llvm-project?rev=136901&view=rev
Log:
Add counter.

Modified:
    llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp

Modified: llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp?rev=136901&r1=136900&r2=136901&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveDebugVariables.cpp Thu Aug  4 13:45:38 2011
@@ -26,6 +26,7 @@
 #include "llvm/Metadata.h"
 #include "llvm/Value.h"
 #include "llvm/ADT/IntervalMap.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunction.h"
@@ -44,6 +45,7 @@
 EnableLDV("live-debug-variables", cl::init(true),
           cl::desc("Enable the live debug variables pass"), cl::Hidden);
 
+STATISTIC(NumInsertedDebugValues, "Number of DBG_VALUEs inserted");
 char LiveDebugVariables::ID = 0;
 
 INITIALIZE_PASS_BEGIN(LiveDebugVariables, "livedebugvars",
@@ -924,7 +926,7 @@
 
     DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd);
     insertDebugValue(MBB, Start, LocNo, LIS, TII);
-
+    ++NumInsertedDebugValues;
     // This interval may span multiple basic blocks.
     // Insert a DBG_VALUE into each one.
     while(Stop > MBBEnd) {
@@ -935,6 +937,7 @@
       MBBEnd = LIS.getMBBEndIdx(MBB);
       DEBUG(dbgs() << " BB#" << MBB->getNumber() << '-' << MBBEnd);
       insertDebugValue(MBB, Start, LocNo, LIS, TII);
+      ++NumInsertedDebugValues;
     }
     DEBUG(dbgs() << '\n');
     if (MBB == MFEnd)