diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 946a1e9..1ce41fd 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -15,7 +15,7 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineCodeForMethod.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
-#include "llvm/Analysis/LoopDepth.h"
+#include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/MachineFrameInfo.h"
 #include "llvm/Method.h"
@@ -52,7 +52,7 @@
       LVI.analyze();
       
       PhyRegAlloc PRA(M, Target, &LVI,
-                      &getAnalysis<cfg::LoopDepthCalculator>());
+                      &getAnalysis<cfg::LoopInfo>());
       PRA.allocateRegisters();
       
       if (DEBUG_RA) cerr << "\nRegister allocation complete!\n";
@@ -62,7 +62,7 @@
     virtual void getAnalysisUsageInfo(Pass::AnalysisSet &Requires,
                                       Pass::AnalysisSet &Destroyed,
                                       Pass::AnalysisSet &Provided) {
-      Requires.push_back(cfg::LoopDepthCalculator::ID);
+      Requires.push_back(cfg::LoopInfo::ID);
     }
   };
 }
@@ -77,7 +77,7 @@
 PhyRegAlloc::PhyRegAlloc(Method *M, 
 			 const TargetMachine& tm, 
 			 MethodLiveVarInfo *Lvi,
-                         cfg::LoopDepthCalculator *LDC) 
+                         cfg::LoopInfo *LDC) 
                        :  TM(tm), Meth(M),
                           mcInfo(MachineCodeForMethod::get(M)),
                           LVI(Lvi), LRI(M, tm, RegClassList), 
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.h b/lib/CodeGen/RegAlloc/PhyRegAlloc.h
index 8efa757..de8d793 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.h
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.h
@@ -37,7 +37,7 @@
 class MachineRegInfo;
 class MethodLiveVarInfo;
 class MachineInstr;
-namespace cfg { class LoopDepthCalculator; }
+namespace cfg { class LoopInfo; }
 
 //----------------------------------------------------------------------------
 // Class AddedInstrns:
@@ -80,13 +80,13 @@
 
   
   AddedInstrMapType AddedInstrMap;      // to store instrns added in this phase
-  cfg::LoopDepthCalculator *LoopDepthCalc;    // to calculate loop depths 
+  cfg::LoopInfo *LoopDepthCalc;         // to calculate loop depths 
   ReservedColorListType ResColList;     // A set of reserved regs if desired.
                                         // currently not used
 
 public:
   PhyRegAlloc(Method *M, const TargetMachine& TM, MethodLiveVarInfo *Lvi,
-              cfg::LoopDepthCalculator *LoopDepthCalc);
+              cfg::LoopInfo *LoopDepthCalc);
   ~PhyRegAlloc();
 
   // main method called for allocating registers