shader: SSA and dominance

src/shader_recompiler/frontend/ir/function.h

@@ -0,0 +1,25 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <vector>
+
+#include "shader_recompiler/frontend/ir/basic_block.h"
+
+namespace Shader::IR {
+
+struct Function {
+    struct InplaceDelete {
+        void operator()(IR::Block* block) const noexcept {
+            std::destroy_at(block);
+        }
+    };
+    using UniqueBlock = std::unique_ptr<IR::Block, InplaceDelete>;
+
+    std::vector<UniqueBlock> blocks;
+};
+
+} // namespace Shader::IR