build(build): 拆分子目录 CMakeLists 并规范目标命名

src/ir/CMakeLists.txt

@@ -0,0 +1,26 @@
+add_library(ir_core STATIC
+  Context.cpp
+  Module.cpp
+  Function.cpp
+  BasicBlock.cpp
+  Type.cpp
+  Value.cpp
+  Instruction.cpp
+  IRBuilder.cpp
+  IRPrinter.cpp
+)
+
+target_link_libraries(ir_core PUBLIC
+  build_options
+)
+
+add_subdirectory(analysis)
+add_subdirectory(passes)
+
+# 统一对外的 IR 依赖入口
+add_library(ir INTERFACE)
+target_link_libraries(ir INTERFACE
+  ir_core
+  ir_analysis
+  ir_passes
+)

src/ir/analysis/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(ir_analysis STATIC
+  DominatorTree.cpp
+  LoopInfo.cpp
+)
+
+target_link_libraries(ir_analysis PUBLIC
+  build_options
+  ir_core
+)

src/ir/passes/CMakeLists.txt

@@ -0,0 +1,13 @@
+add_library(ir_passes STATIC
+  PassManager.cpp
+  Mem2Reg.cpp
+  ConstFold.cpp
+  DCE.cpp
+  CFGSimplify.cpp
+)
+
+target_link_libraries(ir_passes PUBLIC
+  build_options
+  ir_core
+  ir_analysis
+)