Start adding an integrated assembler.

src/IceTargetLoweringX8632.h

Index: src/IceTargetLoweringX8632.h
diff --git a/src/IceTargetLoweringX8632.h b/src/IceTargetLoweringX8632.h
index 251baa205cd661b46db01ae802128aa621428939..1657a06c0e93eaaf06a5d0f5ebc96dcf325b0bfe 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,        \
@@ -509,7 +511,8 @@ private:
   virtual ~TargetGlobalInitX8632() {}
 };
 
-template <> void ConstantInteger::emit(GlobalContext *Ctx) const;
+template <> void ConstantInteger32::emit(GlobalContext *Ctx) const;
+template <> void ConstantInteger64::emit(GlobalContext *Ctx) const;
 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;