Rename legalizeToVar to the more accurate legalizeToReg.

src/IceTargetLoweringARM32.h

Index: src/IceTargetLoweringARM32.h
diff --git a/src/IceTargetLoweringARM32.h b/src/IceTargetLoweringARM32.h
index 95e4691b65f158f451fe7b43895b8485ab33ba32..1e0f2841ea68240f25cfc390b862266a104d5c02 100644
--- a/src/IceTargetLoweringARM32.h
+++ b/src/IceTargetLoweringARM32.h
@@ -149,7 +149,7 @@ protected:
   typedef uint32_t LegalMask;
   Operand *legalize(Operand *From, LegalMask Allowed = Legal_All,
                     int32_t RegNum = Variable::NoRegister);
-  Variable *legalizeToVar(Operand *From, int32_t RegNum = Variable::NoRegister);
+  Variable *legalizeToReg(Operand *From, int32_t RegNum = Variable::NoRegister);
   OperandARM32Mem *formMemoryOperand(Operand *Ptr, Type Ty);
 
   Variable *makeReg(Type Ty, int32_t RegNum = Variable::NoRegister);