From e0c77d80585428818c32886eb8c26755ea8ed159 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sat, 1 Aug 2026 18:17:33 +0800
Subject: [CodeGen] Track debug instruction identities

Add monotonic MIR debug instruction numbers and structured value substitutions. Verify live number uniqueness, meta-instruction exclusion, substitution graph integrity, and target subregister references while preserving debug identities during cloning.
---
 backend/unittests/CodeGen/CMakeLists.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'backend/unittests/CodeGen/CMakeLists.txt')

diff --git a/backend/unittests/CodeGen/CMakeLists.txt b/backend/unittests/CodeGen/CMakeLists.txt
index 92bed00..ed534bd 100644
--- a/backend/unittests/CodeGen/CMakeLists.txt
+++ b/backend/unittests/CodeGen/CMakeLists.txt
@@ -7,6 +7,7 @@ set(
   InstructionDescriptorTest.cpp
   MachineCompilationStatusTest.cpp
   MachineConstantPoolTest.cpp
+  MachineDebugInfoTest.cpp
   MachineFrameInfoTest.cpp
   MachineFunctionClonerTest.cpp
   MachineFunctionRecordsTest.cpp
@@ -76,6 +77,18 @@ add_test(
   COMMAND RCCBackendCodeGenMachineConstantPoolTests
 )
 
+add_executable(RCCBackendCodeGenMachineDebugInfoTests MachineDebugInfoTest.cpp)
+rcc_backend_configure_target(RCCBackendCodeGenMachineDebugInfoTests)
+target_link_libraries(
+  RCCBackendCodeGenMachineDebugInfoTests
+  PRIVATE RCCBackend::CodeGen RCCBackend::TestTarget
+)
+
+add_test(
+  NAME RCCBackend.CodeGen.MachineDebugInfo
+  COMMAND RCCBackendCodeGenMachineDebugInfoTests
+)
+
 add_executable(RCCBackendCodeGenMachineFrameInfoTests MachineFrameInfoTest.cpp)
 rcc_backend_configure_target(RCCBackendCodeGenMachineFrameInfoTests)
 target_link_libraries(RCCBackendCodeGenMachineFrameInfoTests PRIVATE RCCBackend::CodeGen)
@@ -232,6 +245,7 @@ rcc_backend_register_format_files(
   "${CMAKE_CURRENT_SOURCE_DIR}/InstructionDescriptorTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineCompilationStatusTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineConstantPoolTest.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/MachineDebugInfoTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFrameInfoTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFunctionClonerTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFunctionRecordsTest.cpp"
@@ -252,6 +266,7 @@ rcc_backend_register_tidy_files(
   "${CMAKE_CURRENT_SOURCE_DIR}/InstructionDescriptorTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineCompilationStatusTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineConstantPoolTest.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/MachineDebugInfoTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFrameInfoTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFunctionClonerTest.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/MachineFunctionRecordsTest.cpp"
-- 
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