Remove getAllocatedRegNum(). Use getReg() instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11393 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineInstr.h

@@ -277,15 +277,12 @@ public:
   }
 
   // used to get the reg number if when one is allocated
-  int getAllocatedRegNum() const {
+  unsigned getReg() const {
     assert(hasAllocatedReg());
     return regNum;
   }
 
   // ********** TODO: get rid of this duplicate code! ***********
-  unsigned getReg() const {
-    return getAllocatedRegNum();
-  }    
   void setReg(unsigned Reg) {
     assert(hasAllocatedReg() && "This operand cannot have a register number!");
     regNum = Reg;

include/llvm/Target/TargetRegInfo.h

@@ -149,7 +149,7 @@ public:
 
   // returns the register that is hardwired to zero if any (-1 if none)
   //
-  virtual int getZeroRegNum() const = 0;
+  virtual unsigned getZeroRegNum() const = 0;
 
   // Number of registers used for passing int args (usually 6: %o0 - %o5)
   // and float args (usually 32: %f0 - %f31)