diff --git a/src/hir2mpl/ast_input/common/include/ast_decl.h b/src/hir2mpl/ast_input/common/include/ast_decl.h
index b21cc36a083bbb7c946f9c4f6911338e759d4061..2a396f1b3cbce0f0a4a363d38ca03e43cad4c938 100644
--- a/src/hir2mpl/ast_input/common/include/ast_decl.h
+++ b/src/hir2mpl/ast_input/common/include/ast_decl.h
@@ -46,7 +46,9 @@ struct BoundaryInfo {
 class ASTDecl {
  public:
   ASTDecl(const std::string &srcFile, const std::string &nameIn, const MapleVector<MIRType*> &typeDescIn)
-      : isGlobalDecl(false), srcFileName(srcFile), name(nameIn), typeDesc(typeDescIn) {}
+      : isGlobalDecl(false), srcFileName(srcFile), name(nameIn), typeDesc(typeDescIn) {
+        isDbgFriendly = FEOptions::GetInstance().IsDbgFriendly();
+      }
   virtual ~ASTDecl() = default;
   const std::string &GetSrcFileName() const;
   const std::string &GetName() const;
@@ -171,6 +173,7 @@ class ASTDecl {
   virtual void GenerateInitStmtImpl(std::list<UniqueFEIRStmt> &stmts) {}
   bool isGlobalDecl;
   bool isParam = false;
+  bool isDbgFriendly = false;
   uint32 align = 1; // in byte
   const std::string srcFileName;
 
diff --git a/src/hir2mpl/ast_input/common/src/ast_decl.cpp b/src/hir2mpl/ast_input/common/src/ast_decl.cpp
index e18c917115fae9ddd02aa8d2d2bdc427d4f6f5e0..3d8c106f1595d13b06e357db16e588426d423c3a 100644
--- a/src/hir2mpl/ast_input/common/src/ast_decl.cpp
+++ b/src/hir2mpl/ast_input/common/src/ast_decl.cpp
@@ -46,7 +46,7 @@ MIRConst *ASTDecl::Translate2MIRConst() const {
 
 std::string ASTDecl::GenerateUniqueVarName() const {
   // add `_line_column` suffix for avoiding local var name conflict
-  if (isGlobalDecl || isParam) {
+  if (isGlobalDecl || isParam || isDbgFriendly) {
     return name;
   } else {
     std::stringstream os;
diff --git a/src/hir2mpl/common/include/fe_options.h b/src/hir2mpl/common/include/fe_options.h
index dea1d79b5f0827840ce9b4670d712ef5e83f419f..d7ec8672511bd6adc02d6405d3a988f21f8a33c6 100644
--- a/src/hir2mpl/common/include/fe_options.h
+++ b/src/hir2mpl/common/include/fe_options.h
@@ -236,6 +236,16 @@ class FEOptions {
     return isDumpLOC;
   }
 
+  void SetDbgFriendly(bool flag) {
+    isDbgFriendly = flag;
+    // set isDumpLOC if flag is true
+    isDumpLOC = flag ? flag : isDumpLOC;
+  }
+
+  bool IsDbgFriendly() const {
+    return isDbgFriendly;
+  }
+
   void SetIsDumpPhaseTime(bool flag) {
     isDumpPhaseTime = flag;
   }
@@ -505,6 +515,7 @@ class FEOptions {
   bool isDumpTime;
   bool isDumpComment = false;
   bool isDumpLOC = true;
+  bool isDbgFriendly = false;
   bool isDumpPhaseTime = false;
   bool isDumpPhaseTimeDetail = false;
 
diff --git a/src/hir2mpl/common/include/hir2mpl_options.h b/src/hir2mpl/common/include/hir2mpl_options.h
index bbfe437c9b53e1181ae15cd33d5c5dc33a2c5e48..b7e5cefb6022cf888172babce29c74170e9d80a5 100644
--- a/src/hir2mpl/common/include/hir2mpl_options.h
+++ b/src/hir2mpl/common/include/hir2mpl_options.h
@@ -75,6 +75,7 @@ class HIR2MPLOptions : public maple::MapleDriverOptionBase {
   bool ProcessDumpTime(const mapleOption::Option &opt);
   bool ProcessDumpComment(const mapleOption::Option &opt);
   bool ProcessDumpLOC(const mapleOption::Option &opt);
+  bool ProcessDbgFriendly(const mapleOption::Option &opt);
   bool ProcessDumpPhaseTime(const mapleOption::Option &opt);
   bool ProcessDumpPhaseTimeDetail(const mapleOption::Option &opt);
 
diff --git a/src/hir2mpl/common/src/hir2mpl_options.cpp b/src/hir2mpl/common/src/hir2mpl_options.cpp
index 25534be94daf8444a6453ef909552b8f7676156d..7b9d88e5470ff739bcb92d4669bea8dd89112dc7 100644
--- a/src/hir2mpl/common/src/hir2mpl_options.cpp
+++ b/src/hir2mpl/common/src/hir2mpl_options.cpp
@@ -47,6 +47,7 @@ enum OptionIndex : uint32 {
   kDumpTime,
   kDumpComment,
   kDumpLOC,
+  kDbgFriendly,
   kDumpPhaseTime,
   kDumpPhaseTimeDetail,
   // bc bytecode compile options
@@ -164,6 +165,11 @@ const Descriptor kUsage[] = {
   { kUnknown, 0, "", "",
     kBuildTypeAll, kArgCheckPolicyUnknown,
     "\n====== Debug Info Control Options ======", "hir2mpl", {} },
+  { kDbgFriendly, 0, "", "g",
+    kBuildTypeAll, kArgCheckPolicyNone,
+    "  -g                     : emit debug friendly mpl, including\n"
+    "                           no variable renaming\n"
+    "                           gen LOC", "hir2mpl", {} },
   { kDumpLevel, 0, "d", "dump-level",
     kBuildTypeAll, kArgCheckPolicyNumeric,
     "  -d, -dump-level xx     : debug info dump level\n"
@@ -346,6 +352,8 @@ bool HIR2MPLOptions::InitFactory() {
                                                 &HIR2MPLOptions::ProcessDumpComment);
   RegisterFactoryFunction<OptionProcessFactory>(kDumpLOC,
                                                 &HIR2MPLOptions::ProcessDumpLOC);
+  RegisterFactoryFunction<OptionProcessFactory>(kDbgFriendly,
+                                                &HIR2MPLOptions::ProcessDbgFriendly);
   RegisterFactoryFunction<OptionProcessFactory>(kDumpPhaseTime,
                                                 &HIR2MPLOptions::ProcessDumpPhaseTime);
   RegisterFactoryFunction<OptionProcessFactory>(kDumpPhaseTimeDetail,
@@ -596,6 +604,11 @@ bool HIR2MPLOptions::ProcessDumpLOC(const Option &opt) {
   return true;
 }
 
+bool HIR2MPLOptions::ProcessDbgFriendly(const Option &opt) {
+  FEOptions::GetInstance().SetDbgFriendly(true);
+  return true;
+}
+
 bool HIR2MPLOptions::ProcessDumpPhaseTime(const Option &opt) {
   FEOptions::GetInstance().SetIsDumpPhaseTime(true);
   return true;