Start adding an integrated assembler.

src/IceTargetLoweringX8632.h

Index: src/IceTargetLoweringX8632.h
diff --git a/src/IceTargetLoweringX8632.h b/src/IceTargetLoweringX8632.h
index 6f8ee02f96cf4023896a053cf4e5d3530db83e5e..1f892eccd5654d0a704b7b69064fb604b700d9df 100644
--- a/src/IceTargetLoweringX8632.h
+++ b/src/IceTargetLoweringX8632.h
@@ -18,6 +18,7 @@
 
 #include "IceDefs.h"
 #include "IceTargetLowering.h"
+#include "assembler_ia32.h"
 #include "IceInstX8632.h"
 
 namespace Ice {
@@ -66,6 +67,7 @@ public:
                               size_t BasicFrameOffset, size_t &InArgsSizeBytes);
   Operand *loOperand(Operand *Operand);
   Operand *hiOperand(Operand *Operand);
+  x86::Address stackVarToAsmOperand(const Variable *Var) const;
 
   enum Registers {
 #define X(val, init, name, name16, name8, scratch, preserved, stackptr,        \