[llvm-commits] [llvm] r127007 - /llvm/trunk/lib/CodeGen/SlotIndexes.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Fri Mar  4 12:08:29 2011
New Revision: 127007

URL: http://llvm.org/viewvc/llvm-project?rev=127007&view=rev
Log:
Add SlotIndex statistics.

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

Modified: llvm/trunk/lib/CodeGen/SlotIndexes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SlotIndexes.cpp?rev=127007&r1=127006&r2=127007&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SlotIndexes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SlotIndexes.cpp Fri Mar  4 12:08:29 2011
@@ -10,6 +10,7 @@
 #define DEBUG_TYPE "slotindexes"
 
 #include "llvm/CodeGen/SlotIndexes.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
@@ -21,6 +22,8 @@
 INITIALIZE_PASS(SlotIndexes, "slotindexes",
                 "Slot index numbering", false, false)
 
+STATISTIC(NumRenumPasses, "Number of slot index renumber passes");
+
 void SlotIndexes::getAnalysisUsage(AnalysisUsage &au) const {
   au.setPreservesAll();
   MachineFunctionPass::getAnalysisUsage(au);
@@ -128,6 +131,7 @@
   // pass during the initial numbering of the function if the new instructions
   // had been present.
   DEBUG(dbgs() << "\n*** Renumbering SlotIndexes ***\n");
+  ++NumRenumPasses;
 
   unsigned index = 0;