Subzero: Make -asm-verbose local var offsets local.

src/IceOperand.h

 //===- subzero/src/IceOperand.h - High-level operands -----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 685 matching lines @@
     return IgnoreLiveness || IsRematerializable;
   }
 
   int32_t getStackOffset() const { return StackOffset; }
   void setStackOffset(int32_t Offset) { StackOffset = Offset; }
   /// Returns the variable's stack offset in symbolic form, to improve
   /// readability in DecorateAsm mode.
   std::string getSymbolicStackOffset() const {
     if (!BuildDefs::dump())
       return "";
-    return "lv$" + getName();
+    return ".L$lv$" + getName();
   }
 
   bool hasReg() const { return getRegNum().hasValue(); }
   RegNumT getRegNum() const { return RegNum; }
   void setRegNum(RegNumT NewRegNum) {
     // Regnum shouldn't be set more than once.
     assert(!hasReg() || RegNum == NewRegNum);
     RegNum = NewRegNum;
   }
   bool hasRegTmp() const { return getRegNumTmp().hasValue(); }
@@ skipping 306 matching lines @@
     return Operand->getKind() == kVariableBoolean;
   }
 
 private:
   Variable *BoolSource = nullptr;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEOPERAND_H