5 files changed, 34 insertions, 1 deletions
diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index 255b89b..771c9c5 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -120,6 +120,14 @@ public:
     /// Returns type pipe.
     const Op* TypePipe(spv::AccessQualifier access_qualifier);
 
+    // Constant
+    
+    /// Returns a true scalar constant.
+    const Op* ConstantTrue(const Op* result_type);
+
+    /// Returns a false scalar constant.
+    const Op* ConstantFalse(const Op* result_type);
+
     // Function
 
     /// Emits a function.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 25bc732..e5c53ab 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,6 +10,7 @@ add_library(sirit
 	common_types.h
     opcodes.h
     opcodes/type.cpp
+    opcodes/constant.cpp
     opcodes/function.cpp
     opcodes/flow.cpp
 )
diff --git a/src/opcodes/constant.cpp b/src/opcodes/constant.cpp
new file mode 100644
index 0000000..bb88d3b
--- /dev/null
+++ b/src/opcodes/constant.cpp
@@ -0,0 +1,21 @@
+/* This file is part of the sirit project.
+ * Copyright (c) 2018 ReinUsesLisp
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include <cassert>
+#include "sirit/sirit.h"
+#include "opcodes.h"
+
+namespace Sirit {
+
+const Op* Module::ConstantTrue(const Op* result_type) {
+    return AddDeclaration(new Op(spv::Op::OpConstantTrue, bound, result_type));
+}
+
+const Op* Module::ConstantFalse(const Op* result_type) {
+    return AddDeclaration(new Op(spv::Op::OpConstantFalse, bound, result_type));
+}
+
+} // namespace Sirit
diff --git a/src/opcodes/type.cpp b/src/opcodes/type.cpp
index 6513e81..8b2c078 100644
--- a/src/opcodes/type.cpp
+++ b/src/opcodes/type.cpp
@@ -227,7 +227,7 @@ const Op* Module::TypeQueue() {
 const Op* Module::TypePipe(spv::AccessQualifier access_qualifier) {
     AddCapability(spv::Capability::Pipes);
     Op* op{new Op(spv::Op::OpTypePipe, bound)};
-    op->Add(static_cast<u32>(access_qualifier);
+    op->Add(static_cast<u32>(access_qualifier));
     return AddDeclaration(op);
 }
 
diff --git a/tests/main.cpp b/tests/main.cpp
index b801239..159a8d9 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -38,6 +38,9 @@ public:
         TypeRuntimeArray(TypeInt(32, true));
         TypeStruct({TypeInt(32, true), TypeFloat(64)});
         TypePointer(spv::StorageClass::Private, TypeFloat(16));
+        ConstantTrue(TypeBool());
+        ConstantTrue(TypeBool());
+        ConstantFalse(TypeBool());
 
         auto main_type{TypeFunction(TypeVoid())};
         auto main_func{Emit(Function(TypeVoid(), spv::FunctionControlMask::MaskNone, main_type))};