shader: Implement CAL inlining function calls

src/shader_recompiler/frontend/maxwell/structured_control_flow.h

@@ -0,0 +1,24 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <span>
+
+#include <boost/intrusive/list.hpp>
+
+#include "shader_recompiler/environment.h"
+#include "shader_recompiler/frontend/ir/basic_block.h"
+#include "shader_recompiler/frontend/ir/microinstruction.h"
+#include "shader_recompiler/frontend/maxwell/control_flow.h"
+#include "shader_recompiler/object_pool.h"
+
+namespace Shader::Maxwell {
+
+[[nodiscard]] IR::BlockList VisitAST(ObjectPool<IR::Inst>& inst_pool,
+                                     ObjectPool<IR::Block>& block_pool, Environment& env,
+                                     Flow::CFG& cfg);
+
+} // namespace Shader::Maxwell