diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index 25eed05..a0ff027 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -965,6 +965,108 @@ public:
     /// group xor'ed with mask.
     Id OpGroupNonUniformShuffleXor(Id result_type, spv::Scope scope, Id value, Id mask);
 
+    // Atomic
+
+    /// Atomically load through Pointer using the given Semantics. All subparts of the value that is
+    /// loaded will be read atomically with respect to all other atomic accesses to it within Scope.
+    Id OpAtomicLoad(Id result_type, Id pointer, Id memory, Id semantics);
+
+    /// Atomically store through Pointer using the given Semantics. All subparts of Value will be
+    /// written atomically with respect to all other atomic accesses to it within Scope.
+    Id OpAtomicStore(Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value from copying Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicExchange(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value from Value only if Original Value equals Comparator, and
+    /// 3) store the New Value back through Pointer only if 'Original Value equaled Comparator.
+    Id OpAtomicCompareExchange(Id result_type, Id pointer, Id memory, Id equal, Id unequal,
+                               Id value, Id comparator);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value through integer addition of 1 to Original Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicIIncrement(Id result_type, Id pointer, Id memory, Id semantics);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value through integer subtraction of 1 from Original Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicIDecrement(Id result_type, Id pointer, Id memory, Id semantics);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by integer addition of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicIAdd(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by integer subtraction of Value from Original Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicISub(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by finding the smallest signed integer of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicSMin(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by finding the smallest unsigned integer of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicUMin(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by finding the largest signed integer of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicSMax(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by finding the largest unsigned integer of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicUMax(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by the bitwise AND of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicAnd(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by the bitwise OR of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicOr(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
+    /// Perform the following steps atomically with respect to any other atomic accesses within
+    /// Scope to the same location:
+    /// 1) load through Pointer to get an Original Value,
+    /// 2) get a New Value by the bitwise exclusive OR of Original Value and Value, and
+    /// 3) store the New Value back through Pointer.
+    Id OpAtomicXor(Id result_type, Id pointer, Id memory, Id semantics, Id value);
+
 private:
     Id AddCode(std::unique_ptr<Op> op);
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1bcb6e3..5d62c7c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -28,6 +28,7 @@ add_library(sirit
     instructions/image.cpp
     instructions/group.cpp
     instructions/barrier.cpp
+    instructions/atomic.cpp
 )
 
 target_compile_options(sirit PRIVATE ${SIRIT_CXX_FLAGS})
diff --git a/src/instructions/atomic.cpp b/src/instructions/atomic.cpp
new file mode 100644
index 0000000..a11f0f8
--- /dev/null
+++ b/src/instructions/atomic.cpp
@@ -0,0 +1,148 @@
+/* This file is part of the sirit project.
+ * Copyright (c) 2019 sirit
+ * This software may be used and distributed according to the terms of the
+ * 3-Clause BSD License
+ */
+
+#include "common_types.h"
+#include "op.h"
+#include "sirit/sirit.h"
+
+namespace Sirit {
+
+Id Module::OpAtomicLoad(Id result_type, Id pointer, Id memory, Id semantics) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicLoad, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicStore(Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicStore)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicExchange(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicExchange, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicCompareExchange(Id result_type, Id pointer, Id memory, Id equal, Id unequal,
+                                   Id value, Id comparator) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicCompareExchange, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(equal));
+    op->Add(unequal);
+    op->Add(value);
+    op->Add(comparator);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicIIncrement(Id result_type, Id pointer, Id memory, Id semantics) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicIIncrement, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicIDecrement(Id result_type, Id pointer, Id memory, Id semantics) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicIDecrement, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicIAdd(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicIAdd, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicISub(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicISub, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicSMin(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicSMin, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicUMin(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicUMin, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicSMax(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicSMax, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicUMax(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicUMax, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicAnd(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicAnd, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicOr(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicOr, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+Id Module::OpAtomicXor(Id result_type, Id pointer, Id memory, Id semantics, Id value) {
+    auto op{std::make_unique<Op>(spv::Op::OpAtomicXor, bound++, result_type)};
+    op->Add(pointer);
+    op->Add(memory);
+    op->Add(semantics);
+    op->Add(value);
+    return AddCode(std::move(op));
+}
+
+} // namespace Sirit