Add support for vector types and vector constants.

src/IceTargetLoweringX8632.h

Index: src/IceTargetLoweringX8632.h
diff --git a/src/IceTargetLoweringX8632.h b/src/IceTargetLoweringX8632.h
index 972b29f7b4fecca3405abf3fe33c3b1f21c5e0f6..bbe26fe922d438ce5de03dba81e414b2a5511506 100644
--- a/src/IceTargetLoweringX8632.h
+++ b/src/IceTargetLoweringX8632.h
@@ -133,6 +133,8 @@ protected:
   }
   static Type stackSlotType();
 
+  Variable *copyToReg(Operand *Src, int32_t RegNum = Variable::NoRegister);
+
   // The following are helpers that insert lowered x86 instructions
   // with minimal syntactic overhead, so that the lowering code can
   // look as close to assembly as practical.
@@ -199,6 +201,9 @@ protected:
       Context.insert(InstX8632Mov::create(Func, Dest, Src0));
     }
   }
+  void _movp(Variable *Dest, Operand *Src0) {
+    Context.insert(InstX8632Movp::create(Func, Dest, Src0));
+  }
   void _movq(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Movq::create(Func, Dest, Src0));
   }
@@ -288,11 +293,15 @@ private:
   TargetX8632(const TargetX8632 &) LLVM_DELETED_FUNCTION;
   TargetX8632 &operator=(const TargetX8632 &) LLVM_DELETED_FUNCTION;
   virtual ~TargetX8632() {}
-  template <typename T> void emitConstantPool() const;
+  template <typename T> void emitScalarConstantPool() const;
+  void emitVectorConstantPool() const;
 };
 
+template <> void ConstantInteger::emit(GlobalContext *Ctx) const;
 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;
+template <> void ConstantVector::emit(GlobalContext *Ctx) const;
+template <> void ConstantBitVector::emit(GlobalContext *Ctx) const;
 
 } // end of namespace Ice