Make this method non-const. Making it const causes the const version of

getIGroup to be called instead of the non-const one.  These two methods
have (??) different behavior, so this change fixes bugs.

llvm-svn: 20724

lib/Target/SparcV9/InstrSched/InstrScheduling.cpp

@@ -163,7 +163,7 @@ public: // constructors and destructor
   
 public: // accessor functions to query chosen schedule
   const SchedGraphNode* getInstr	(unsigned int slotNum,
-					 CycleCount_t c) const {
+					 CycleCount_t c) {
     const InstrGroup* igroup = this->getIGroup(c);
     return (igroup == NULL)? NULL : (*igroup)[slotNum];
   }