Switch register allocator over to using LoopInfo directly instead of indirectly through LoopDepthCalculator


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1696 91177308-0d34-0410-b5e6-96231b3b80d8
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