diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index 1118767..eb68c00 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -137,12 +137,16 @@ public:
     /// Returns a numeric scalar constant.
     Ref ConstantComposite(Ref result_type, const std::vector<Ref>& constituents);
 
+    /// Returns a sampler constant.
+    Ref ConstantSampler(Ref result_type, spv::SamplerAddressingMode addressing_mode,
+                        bool normalized, spv::SamplerFilterMode filter_mode);
+
     // Function
 
-    /// Emits a function.
+    /// Declares a function.
     Ref Function(Ref result_type, spv::FunctionControlMask function_control, Ref function_type);
 
-    /// Emits a function end.
+    /// Ends a function.
     Ref FunctionEnd();
 
     // Flow
diff --git a/src/insts.h b/src/insts.h
index 0e75141..68f3998 100644
--- a/src/insts.h
+++ b/src/insts.h
@@ -11,4 +11,9 @@
 
 namespace Sirit {
 
+template<typename T>
+inline void AddEnum(Op* op, T value) {
+    op->Add(static_cast<u32>(value));
+}
+
 } // namespace Sirit
diff --git a/src/insts/constant.cpp b/src/insts/constant.cpp
index d691583..90af194 100644
--- a/src/insts/constant.cpp
+++ b/src/insts/constant.cpp
@@ -30,4 +30,15 @@ Ref Module::ConstantComposite(Ref result_type, const std::vector<Ref>& constitue
     return AddDeclaration(op);
 }
 
+Ref Module::ConstantSampler(Ref result_type, spv::SamplerAddressingMode addressing_mode,
+                            bool normalized, spv::SamplerFilterMode filter_mode) {
+    AddCapability(spv::Capability::LiteralSampler);
+    AddCapability(spv::Capability::Kernel);
+    Op* op{new Op(spv::Op::OpConstantSampler, bound, result_type)};
+    AddEnum(op, addressing_mode);
+    op->Add(normalized ? 1 : 0);
+    AddEnum(op, filter_mode);
+    return AddDeclaration(op);
+}
+
 } // namespace Sirit
diff --git a/src/op.h b/src/op.h
index 8c884bc..45d62f9 100644
--- a/src/op.h
+++ b/src/op.h
@@ -34,7 +34,7 @@ public:
     void Add(const std::string& string);
 
     void Add(const std::vector<Ref>& ids);
-
+ 
 private:
     u16 WordCount() const;
 
diff --git a/tests/main.cpp b/tests/main.cpp
index 2f60422..2df624e 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -20,7 +20,6 @@ public:
         // Type testing
         TypeBool();
         TypeBool();
-        TypeInt(64, true);
         TypeInt(64, false);
         TypeInt(16, false);
         TypeFloat(16);
@@ -32,11 +31,11 @@ public:
         TypeImage(TypeFloat(32), spv::Dim::Dim2D, 0, false, false, 0,
                   spv::ImageFormat::Rg32f);
         TypeSampledImage(TypeImage(TypeFloat(32), spv::Dim::Rect, 0, false, false, 0,
-                         spv::ImageFormat::Rg32f));
-        TypeVector(TypeInt(32, true), 4);
-        TypeVector(TypeInt(64, true), 4);
-        TypeRuntimeArray(TypeInt(32, true));
-        TypeStruct({TypeInt(32, true), TypeFloat(64)});
+                                   spv::ImageFormat::Rg32f));
+        TypeVector(TypeInt(32, false), 4);
+        TypeVector(TypeInt(64, false), 4);
+        TypeRuntimeArray(TypeInt(32, false));
+        TypeStruct({TypeInt(32, false), TypeFloat(64)});
         TypePointer(spv::StorageClass::Private, TypeFloat(16));
         ConstantTrue(TypeBool());
         ConstantTrue(TypeBool());