diff --git a/lib/TableGen/Operations.cpp b/lib/TableGen/Operations.cpp
index 5463bec..f53a09a 100644
--- a/lib/TableGen/Operations.cpp
+++ b/lib/TableGen/Operations.cpp
@@ -159,15 +159,17 @@ unsigned OperationBase::getNumFullArguments() const {
 void OperationBase::emitArgumentAccessorDeclarations(llvm::raw_ostream &out,
                                                      FmtContext &fmt) const {
   for (const auto &arg : m_arguments) {
-    std::string defaultDeclaration = "$0 get$1();";
-    if (!arg.type->isVarArgList() && !arg.type->isImmutable()) {
+    const bool isVarArg = arg.type->isVarArgList();
+    std::string defaultDeclaration = "$0 get$1() $2;";
+
+    if (!isVarArg && !arg.type->isImmutable()) {
       defaultDeclaration += R"(
-        void set$1($0 $2);
+        void set$1($0 $3);
       )";
     }
 
     out << tgfmt(defaultDeclaration, &fmt, arg.type->getGetterCppType(),
-                 convertToCamelFromSnakeCase(arg.name, true), arg.name);
+                 convertToCamelFromSnakeCase(arg.name, true), !isVarArg ? "const" : "", arg.name);
   }
 }
 
@@ -196,9 +198,10 @@ void AccessorBuilder::emitGetterDefinition() const {
   }
 
   m_fmt.addSubst("fromLlvm", fromLlvm);
+  m_fmt.addSubst("const", !m_arg.type->isVarArgList() ? "const" : "");
 
   m_os << tgfmt(R"(
-      $cppType $_op::get$Name() {
+      $cppType $_op::get$Name() $const {
         return $fromLlvm;
       })",
                 &m_fmt);
diff --git a/test/example/generated/ExampleDialect.cpp.inc b/test/example/generated/ExampleDialect.cpp.inc
index 13f57dd..c8b2695 100644
--- a/test/example/generated/ExampleDialect.cpp.inc
+++ b/test/example/generated/ExampleDialect.cpp.inc
@@ -320,21 +320,21 @@ return true;
       }
 
     
-      ::llvm::Value * StreamReduceOp::getPtr() {
+      ::llvm::Value * StreamReduceOp::getPtr() const {
         return getArgOperand(0);
       }
 
       void StreamReduceOp::setPtr(::llvm::Value * ptr) {
         setArgOperand(0, ptr);
       }
-      ::llvm::Value * StreamReduceOp::getCount() {
+      ::llvm::Value * StreamReduceOp::getCount() const {
         return getArgOperand(1);
       }
 
       void StreamReduceOp::setCount(::llvm::Value * count) {
         setArgOperand(1, count);
       }
-      ::llvm::Value * StreamReduceOp::getInitial() {
+      ::llvm::Value * StreamReduceOp::getInitial() const {
         return getArgOperand(2);
       }
 
@@ -439,21 +439,21 @@ uint32_t const extra = getExtra();
 }
 
 
-      ::llvm::Value * Add32Op::getLhs() {
+      ::llvm::Value * Add32Op::getLhs() const {
         return getArgOperand(0);
       }
 
       void Add32Op::setLhs(::llvm::Value * lhs) {
         setArgOperand(0, lhs);
       }
-      ::llvm::Value * Add32Op::getRhs() {
+      ::llvm::Value * Add32Op::getRhs() const {
         return getArgOperand(1);
       }
 
       void Add32Op::setRhs(::llvm::Value * rhs) {
         setArgOperand(1, rhs);
       }
-      uint32_t Add32Op::getExtra() {
+      uint32_t Add32Op::getExtra() const {
         return  ::llvm::cast<::llvm::ConstantInt>(getArgOperand(2))->getZExtValue() ;
       }
 
@@ -541,14 +541,14 @@ rhs
 }
 
 
-      ::llvm::Value * CombineOp::getLhs() {
+      ::llvm::Value * CombineOp::getLhs() const {
         return getArgOperand(0);
       }
 
       void CombineOp::setLhs(::llvm::Value * lhs) {
         setArgOperand(0, lhs);
       }
-      ::llvm::Value * CombineOp::getRhs() {
+      ::llvm::Value * CombineOp::getRhs() const {
         return getArgOperand(1);
       }
 
@@ -645,14 +645,14 @@ index
 }
 
 
-      ::llvm::Value * ExtractElementOp::getVector() {
+      ::llvm::Value * ExtractElementOp::getVector() const {
         return getArgOperand(0);
       }
 
       void ExtractElementOp::setVector(::llvm::Value * vector) {
         setArgOperand(0, vector);
       }
-      ::llvm::Value * ExtractElementOp::getIndex() {
+      ::llvm::Value * ExtractElementOp::getIndex() const {
         return getArgOperand(1);
       }
 
@@ -822,7 +822,7 @@ source
 }
 
 
-      ::llvm::Value * FromFixedVectorOp::getSource() {
+      ::llvm::Value * FromFixedVectorOp::getSource() const {
         return getArgOperand(0);
       }
 
@@ -982,7 +982,7 @@ source
 }
 
 
-      ::llvm::Value * IExtOp::getSource() {
+      ::llvm::Value * IExtOp::getSource() const {
         return getArgOperand(0);
       }
 
@@ -1080,7 +1080,7 @@ source
 }
 
 
-      ::llvm::Value * ITruncOp::getSource() {
+      ::llvm::Value * ITruncOp::getSource() const {
         return getArgOperand(0);
       }
 
@@ -1154,7 +1154,7 @@ source
 }
 
 
-      bool ImmutableOp::getVal() {
+      bool ImmutableOp::getVal() const {
         return  ::llvm::cast<::llvm::ConstantInt>(getArgOperand(0))->getZExtValue() ;
       }
 
@@ -1257,21 +1257,21 @@ index
 }
 
 
-      ::llvm::Value * InsertElementOp::getVector() {
+      ::llvm::Value * InsertElementOp::getVector() const {
         return getArgOperand(0);
       }
 
       void InsertElementOp::setVector(::llvm::Value * vector) {
         setArgOperand(0, vector);
       }
-      ::llvm::Value * InsertElementOp::getValue() {
+      ::llvm::Value * InsertElementOp::getValue() const {
         return getArgOperand(1);
       }
 
       void InsertElementOp::setValue(::llvm::Value * value) {
         setArgOperand(1, value);
       }
-      ::llvm::Value * InsertElementOp::getIndex() {
+      ::llvm::Value * InsertElementOp::getIndex() const {
         return getArgOperand(2);
       }
 
@@ -1348,14 +1348,14 @@ instName_0
 }
 
 
-      ::llvm::Value * InstNameConflictDoubleOp::getInstName() {
+      ::llvm::Value * InstNameConflictDoubleOp::getInstName() const {
         return getArgOperand(0);
       }
 
       void InstNameConflictDoubleOp::setInstName(::llvm::Value * instName) {
         setArgOperand(0, instName);
       }
-      ::llvm::Value * InstNameConflictDoubleOp::getInstName_0() {
+      ::llvm::Value * InstNameConflictDoubleOp::getInstName_0() const {
         return getArgOperand(1);
       }
 
@@ -1429,7 +1429,7 @@ instName
 }
 
 
-      ::llvm::Value * InstNameConflictOp::getInstName() {
+      ::llvm::Value * InstNameConflictOp::getInstName() const {
         return getArgOperand(0);
       }
 
@@ -1497,7 +1497,7 @@ instName
 }
 
 
-      ::llvm::iterator_range<::llvm::User::value_op_iterator> InstNameConflictVarargsOp::getInstName_0() {
+      ::llvm::iterator_range<::llvm::User::value_op_iterator> InstNameConflictVarargsOp::getInstName_0()  {
         return ::llvm::make_range(
             value_op_iterator(arg_begin() + 0),
             value_op_iterator(arg_end()));
@@ -1673,7 +1673,7 @@ data
 }
 
 
-      ::llvm::Value * SetWriteOp::getData() {
+      ::llvm::Value * SetWriteOp::getData() const {
         return getArgOperand(0);
       }
 
@@ -1746,7 +1746,7 @@ data
 }
 
 
-      ::llvm::Type * SizeOfOp::getSizeofType() {
+      ::llvm::Type * SizeOfOp::getSizeofType() const {
         return getArgOperand(0)->getType();
       }
 
@@ -2096,7 +2096,7 @@ initial
 }
 
 
-      ::llvm::StringRef StringAttrOp::getVal() {
+      ::llvm::StringRef StringAttrOp::getVal() const {
         return  ::llvm::cast<::llvm::ConstantDataArray>(::llvm::cast<::llvm::GlobalVariable>(getArgOperand(0))->getInitializer())->getAsString() ;
       }
 
@@ -2155,7 +2155,7 @@ data
 }
 
 
-      ::llvm::Value * WriteOp::getData() {
+      ::llvm::Value * WriteOp::getData() const {
         return getArgOperand(0);
       }
 
@@ -2220,14 +2220,14 @@ data
 }
 
 
-      ::llvm::Value * WriteVarArgOp::getData() {
+      ::llvm::Value * WriteVarArgOp::getData() const {
         return getArgOperand(0);
       }
 
       void WriteVarArgOp::setData(::llvm::Value * data) {
         setArgOperand(0, data);
       }
-      ::llvm::iterator_range<::llvm::User::value_op_iterator> WriteVarArgOp::getArgs() {
+      ::llvm::iterator_range<::llvm::User::value_op_iterator> WriteVarArgOp::getArgs()  {
         return ::llvm::make_range(
             value_op_iterator(arg_begin() + 1),
             value_op_iterator(arg_end()));
diff --git a/test/example/generated/ExampleDialect.h.inc b/test/example/generated/ExampleDialect.h.inc
index 1918a5e..913d295 100644
--- a/test/example/generated/ExampleDialect.h.inc
+++ b/test/example/generated/ExampleDialect.h.inc
@@ -98,11 +98,11 @@ uint32_t getNumElements() const;
           return ::llvm::isa<::llvm::CallInst>(v) &&
                  classof(::llvm::cast<::llvm::CallInst>(v));
         }
-    ::llvm::Value * getPtr();
+    ::llvm::Value * getPtr() const;
         void setPtr(::llvm::Value * ptr);
-      ::llvm::Value * getCount();
+      ::llvm::Value * getCount() const;
         void setCount(::llvm::Value * count);
-      ::llvm::Value * getInitial();
+      ::llvm::Value * getInitial() const;
         void setInitial(::llvm::Value * initial);
       
       };
@@ -122,11 +122,11 @@ uint32_t getNumElements() const;
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getLhs();
+::llvm::Value * getLhs() const;
         void setLhs(::llvm::Value * lhs);
-      ::llvm::Value * getRhs();
+      ::llvm::Value * getRhs() const;
         void setRhs(::llvm::Value * rhs);
-      uint32_t getExtra();
+      uint32_t getExtra() const;
         void setExtra(uint32_t extra);
       
 ::llvm::Value * getResult();
@@ -149,9 +149,9 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getLhs();
+::llvm::Value * getLhs() const;
         void setLhs(::llvm::Value * lhs);
-      ::llvm::Value * getRhs();
+      ::llvm::Value * getRhs() const;
         void setRhs(::llvm::Value * rhs);
       
 ::llvm::Value * getResult();
@@ -174,9 +174,9 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getVector();
+::llvm::Value * getVector() const;
         void setVector(::llvm::Value * vector);
-      ::llvm::Value * getIndex();
+      ::llvm::Value * getIndex() const;
         void setIndex(::llvm::Value * index);
       
 ::llvm::Value * getResult();
@@ -199,7 +199,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getSource();
+::llvm::Value * getSource() const;
         void setSource(::llvm::Value * source);
       
 ::llvm::Value * getResult();
@@ -243,7 +243,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getSource();
+::llvm::Value * getSource() const;
         void setSource(::llvm::Value * source);
       
 ::llvm::Value * getResult();
@@ -266,7 +266,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getSource();
+::llvm::Value * getSource() const;
         void setSource(::llvm::Value * source);
       
 ::llvm::Value * getResult();
@@ -289,7 +289,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-bool getVal();
+bool getVal() const;
 
 
       };
@@ -309,11 +309,11 @@ bool getVal();
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getVector();
+::llvm::Value * getVector() const;
         void setVector(::llvm::Value * vector);
-      ::llvm::Value * getValue();
+      ::llvm::Value * getValue() const;
         void setValue(::llvm::Value * value);
-      ::llvm::Value * getIndex();
+      ::llvm::Value * getIndex() const;
         void setIndex(::llvm::Value * index);
       
 ::llvm::Value * getResult();
@@ -336,9 +336,9 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getInstName();
+::llvm::Value * getInstName() const;
         void setInstName(::llvm::Value * instName);
-      ::llvm::Value * getInstName_0();
+      ::llvm::Value * getInstName_0() const;
         void setInstName_0(::llvm::Value * instName_0);
       
 ::llvm::Value * getResult();
@@ -361,7 +361,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getInstName();
+::llvm::Value * getInstName() const;
         void setInstName(::llvm::Value * instName);
       
 ::llvm::Value * getResult();
@@ -384,7 +384,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::iterator_range<::llvm::User::value_op_iterator> getInstName_0();
+::llvm::iterator_range<::llvm::User::value_op_iterator> getInstName_0() ;
 ::llvm::Value * getResult();
 
 
@@ -447,7 +447,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getData();
+::llvm::Value * getData() const;
         void setData(::llvm::Value * data);
       
 
@@ -469,7 +469,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Type * getSizeofType();
+::llvm::Type * getSizeofType() const;
         void setSizeofType(::llvm::Type * sizeof_type);
       
 ::llvm::Value * getResult();
@@ -555,7 +555,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::StringRef getVal();
+::llvm::StringRef getVal() const;
 
 
       };
@@ -575,7 +575,7 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getData();
+::llvm::Value * getData() const;
         void setData(::llvm::Value * data);
       
 
@@ -597,9 +597,9 @@ bool verifier(::llvm::raw_ostream &errs);
 
 bool verifier(::llvm::raw_ostream &errs);
 
-::llvm::Value * getData();
+::llvm::Value * getData() const;
         void setData(::llvm::Value * data);
-      ::llvm::iterator_range<::llvm::User::value_op_iterator> getArgs();
+      ::llvm::iterator_range<::llvm::User::value_op_iterator> getArgs() ;
 
 
       };