refactor(furlang/ir): rename module to mod

Refs: #12

furc/include/furc/front/ir_generator.hpp

@@ -22,7 +22,7 @@ public:
     ir_generator(const ir_generator&)            = delete;
     ir_generator& operator=(const ir_generator&) = delete;
 public:
-    furlang::ir::module&& move_module() { return std::move(m_module); }
+    furlang::ir::mod&& move_module() { return std::move(m_module); }
 public:
     void visit(const ast::function_definition_node& funcDef) override;
     void visit(const ast::return_statement_node& returnStmt) override;
@@ -45,7 +45,7 @@ private:
 
     furlang::ir::block_index push_block(bool validate = true);
 private:
-    furlang::ir::module                    m_module;
+    furlang::ir::mod                    m_module;
     std::unique_ptr<furlang::ir::function> m_currentFunction;
     std::shared_ptr<furlang::ir::block>    m_currentBlock;
     ir_register                            m_registerCounter = 0;

furc/include/furc/front/ssa.hpp

@@ -16,7 +16,7 @@ namespace front {
 class ssa {
     using block_map_t = std::unordered_map<furlang::ir::block_index, std::vector<furlang::ir::block_index>>;
 public:
-    static void optimize(furlang::ir::module& mod);
+    static void optimize(furlang::ir::mod& mod);
 private:
     static void optimize(const std::unique_ptr<furlang::ir::function>& func);
 

furc/src/front/ssa.cpp

@@ -16,7 +16,7 @@
 
 namespace furc::front {
 
-void ssa::optimize(furlang::ir::module& mod) {
+void ssa::optimize(furlang::ir::mod& mod) {
     for (const auto& func : mod.functions()) {
         ssa::optimize(func);
         ssa::constant_propagation(func);