[Lldb-commits] [lldb] [clang] Reland "[clang][DebugInfo] Emit global variable definitions for static data members with constant initializers" (PR #71780)

Michael Buch via lldb-commits lldb-commits at lists.llvm.org
Wed Nov 8 23:05:36 PST 2023


https://github.com/Michael137 updated https://github.com/llvm/llvm-project/pull/71780

>From e5bc858c35b479d29174c9945c6c67f4d2dc085b Mon Sep 17 00:00:00 2001
From: Michael Buch <michaelbuch12 at gmail.com>
Date: Thu, 9 Nov 2023 01:13:21 +0000
Subject: [PATCH 1/2] Reland "[clang][DebugInfo] Emit global variable
 definitions for static data members with constant initializers"

---
 clang/lib/CodeGen/CGDebugInfo.cpp             | 58 +++++++++++++++----
 clang/lib/CodeGen/CGDebugInfo.h               |  6 ++
 clang/test/CodeGenCXX/debug-info-class.cpp    | 13 +++--
 .../CodeGenCXX/debug-info-static-member.cpp   | 52 ++++++++++-------
 .../TestConstStaticIntegralMember.py          |  7 ++-
 .../lldb-dap/variables/TestDAP_variables.py   |  9 +--
 6 files changed, 103 insertions(+), 42 deletions(-)

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 84a166d3ac3659c..245f7516640d098 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1677,22 +1677,13 @@ CGDebugInfo::CreateRecordStaticField(const VarDecl *Var, llvm::DIType *RecordTy,
 
   unsigned LineNumber = getLineNumber(Var->getLocation());
   StringRef VName = Var->getName();
-  llvm::Constant *C = nullptr;
-  if (Var->getInit()) {
-    const APValue *Value = Var->evaluateValue();
-    if (Value) {
-      if (Value->isInt())
-        C = llvm::ConstantInt::get(CGM.getLLVMContext(), Value->getInt());
-      if (Value->isFloat())
-        C = llvm::ConstantFP::get(CGM.getLLVMContext(), Value->getFloat());
-    }
-  }
 
   llvm::DINode::DIFlags Flags = getAccessFlag(Var->getAccess(), RD);
   auto Align = getDeclAlignIfRequired(Var, CGM.getContext());
   llvm::DIDerivedType *GV = DBuilder.createStaticMemberType(
-      RecordTy, VName, VUnit, LineNumber, VTy, Flags, C, Align);
+      RecordTy, VName, VUnit, LineNumber, VTy, Flags, /* Val */ nullptr, Align);
   StaticDataMemberCache[Var->getCanonicalDecl()].reset(GV);
+  StaticDataMemberDefinitionsToEmit.push_back(Var->getCanonicalDecl());
   return GV;
 }
 
@@ -5596,6 +5587,39 @@ void CGDebugInfo::EmitGlobalVariable(const ValueDecl *VD, const APValue &Init) {
       TemplateParameters, Align));
 }
 
+void CGDebugInfo::EmitGlobalVariable(const VarDecl *VD) {
+  assert(VD->hasInit());
+  assert(CGM.getCodeGenOpts().hasReducedDebugInfo());
+  if (VD->hasAttr<NoDebugAttr>())
+    return;
+
+  auto &GV = DeclCache[VD];
+  if (GV)
+    return;
+
+  auto const *InitVal = VD->evaluateValue();
+  if (!InitVal)
+    return;
+
+  llvm::DIFile *Unit = nullptr;
+  llvm::DIScope *DContext = nullptr;
+  unsigned LineNo;
+  StringRef DeclName, LinkageName;
+  QualType T;
+  llvm::MDTuple *TemplateParameters = nullptr;
+  collectVarDeclProps(VD, Unit, LineNo, T, DeclName, LinkageName,
+                      TemplateParameters, DContext);
+
+  auto Align = getDeclAlignIfRequired(VD, CGM.getContext());
+  llvm::DINodeArray Annotations = CollectBTFDeclTagAnnotations(VD);
+  llvm::DIExpression *InitExpr = createConstantValueExpression(VD, *InitVal);
+
+  GV.reset(DBuilder.createGlobalVariableExpression(
+      TheCU, DeclName, LinkageName, Unit, LineNo, getOrCreateType(T, Unit),
+      true, true, InitExpr, getOrCreateStaticDataMemberDeclarationOrNull(VD),
+      TemplateParameters, Align, Annotations));
+}
+
 void CGDebugInfo::EmitExternalVariable(llvm::GlobalVariable *Var,
                                        const VarDecl *D) {
   assert(CGM.getCodeGenOpts().hasReducedDebugInfo());
@@ -5800,6 +5824,18 @@ void CGDebugInfo::setDwoId(uint64_t Signature) {
 }
 
 void CGDebugInfo::finalize() {
+  for (auto const *VD : StaticDataMemberDefinitionsToEmit) {
+    assert(VD->isStaticDataMember());
+
+    if (DeclCache.contains(VD))
+      continue;
+
+    if (!VD->hasInit())
+      continue;
+
+    EmitGlobalVariable(VD);
+  }
+
   // Creating types might create further types - invalidating the current
   // element and the size(), so don't cache/reference them.
   for (size_t i = 0; i != ObjCInterfaceCache.size(); ++i) {
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index 7b60e94555d0608..3e4c133b7f2b9f1 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -161,6 +161,9 @@ class CGDebugInfo {
   llvm::DenseMap<const Decl *, llvm::TypedTrackingMDRef<llvm::DIDerivedType>>
       StaticDataMemberCache;
 
+  /// Keeps track of static data members for which we should emit a definition.
+  std::vector<const VarDecl *> StaticDataMemberDefinitionsToEmit;
+
   using ParamDecl2StmtTy = llvm::DenseMap<const ParmVarDecl *, const Stmt *>;
   using Param2DILocTy =
       llvm::DenseMap<const ParmVarDecl *, llvm::DILocalVariable *>;
@@ -526,6 +529,9 @@ class CGDebugInfo {
   /// Emit a constant global variable's debug info.
   void EmitGlobalVariable(const ValueDecl *VD, const APValue &Init);
 
+  /// Emit debug-info for a variable with a constant initializer.
+  void EmitGlobalVariable(const VarDecl *VD);
+
   /// Emit information about an external variable.
   void EmitExternalVariable(llvm::GlobalVariable *GV, const VarDecl *Decl);
 
diff --git a/clang/test/CodeGenCXX/debug-info-class.cpp b/clang/test/CodeGenCXX/debug-info-class.cpp
index ef84b91b67821a9..a3111cd7c3640a0 100644
--- a/clang/test/CodeGenCXX/debug-info-class.cpp
+++ b/clang/test/CodeGenCXX/debug-info-class.cpp
@@ -116,11 +116,19 @@ int main(int argc, char **argv) {
 // CHECK-SAME:                             DIFlagFwdDecl
 // CHECK-NOT:                             identifier:
 // CHECK-SAME:                            ){{$}}
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[HDR_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 52, DW_OP_stack_value))
+// CHECK:      ![[HDR_VAR]] = distinct !DIGlobalVariable(name: "HdrSize",
+// CHECK-SAME:                isLocal: true, isDefinition: true, declaration: ![[HDR_VAR_DECL:[0-9]+]])
+// CHECK:      ![[INT:[0-9]+]] = !DIBasicType(name: "int"
+// CHECK:      ![[HDR_VAR_DECL]] = !DIDerivedType(tag: DW_TAG_member, name: "HdrSize"
+
+// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "A"
+
 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "I"
 // CHECK-NOT:              DIFlagFwdDecl
 // CHECK-SAME:             ){{$}}
 
-// CHECK: ![[INT:[0-9]+]] = !DIBasicType(name: "int"
 // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo"
 // CHECK: !DICompositeType(tag: DW_TAG_class_type, name: "bar"
 // CHECK: !DICompositeType(tag: DW_TAG_union_type, name: "baz"
@@ -186,8 +194,5 @@ int main(int argc, char **argv) {
 // CHECK: [[G_INNER_I]] = !DIDerivedType(tag: DW_TAG_member, name: "j"
 // CHECK-SAME:                           baseType: ![[INT]]
 
-// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "A"
-// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "HdrSize"
-//
 // CHECK: ![[EXCEPTLOC]] = !DILocation(line: 100,
 // CHECK: ![[RETLOC]] = !DILocation(line: 99,
diff --git a/clang/test/CodeGenCXX/debug-info-static-member.cpp b/clang/test/CodeGenCXX/debug-info-static-member.cpp
index 260a3afdd6524f3..578995801c6400b 100644
--- a/clang/test/CodeGenCXX/debug-info-static-member.cpp
+++ b/clang/test/CodeGenCXX/debug-info-static-member.cpp
@@ -63,19 +63,19 @@ int C::a = 4;
 // CHECK-NOT:                                 offset:
 // CHECK-SAME:                                flags: DIFlagStaticMember)
 //
-// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "const_a"
-// CHECK-NOT:            size:
-// CHECK-NOT:            align:
-// CHECK-NOT:            offset:
-// CHECK-SAME:           flags: DIFlagStaticMember,
-// CHECK-SAME:           extraData: i1 true)
-
-// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "const_b"
-// CHECK-NOT:            size:
-// CHECK-NOT:            align:
-// CHECK-NOT:            offset:
-// CHECK-SAME:           flags: DIFlagProtected | DIFlagStaticMember,
-// CHECK-SAME:           extraData: float 0x{{.*}})
+// CHECK:    ![[CONST_A_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "const_a"
+// CHECK-NOT:                           size:
+// CHECK-NOT:                           align:
+// CHECK-NOT:                           offset:
+// CHECK-SAME:                          flags: DIFlagStaticMember
+// CHECK-NOT:                           extraData:
+
+// CHECK:     ![[CONST_B_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "const_b"
+// CHECK-NOT:                            size:
+// CHECK-NOT:                            align:
+// CHECK-NOT:                            offset:
+// CHECK-SAME:                           flags: DIFlagProtected | DIFlagStaticMember
+// CHECK-NOT:                            extraData:
 
 // CHECK: ![[DECL_C:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "c"
 // CHECK-NOT:                                 size:
@@ -83,12 +83,12 @@ int C::a = 4;
 // CHECK-NOT:                                 offset:
 // CHECK-SAME:                                flags: DIFlagPublic | DIFlagStaticMember)
 //
-// CHECK: !DIDerivedType(tag: DW_TAG_member, name: "const_c"
-// CHECK-NOT:            size:
-// CHECK-NOT:            align:
-// CHECK-NOT:            offset:
-// CHECK-SAME:           flags: DIFlagPublic | DIFlagStaticMember,
-// CHECK-SAME:           extraData: i32 18)
+// CHECK:     ![[CONST_C_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "const_c"
+// CHECK-NOT:                            size:
+// CHECK-NOT:                            align:
+// CHECK-NOT:                            offset:
+// CHECK-SAME:                           flags: DIFlagPublic | DIFlagStaticMember
+// CHECK-NOT:                            extraData:
 //
 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "x_a"
 // CHECK-SAME:           flags: DIFlagPublic | DIFlagStaticMember)
@@ -144,7 +144,7 @@ struct V {
 // const_va is not emitted for MS targets.
 // NOT-MS: !DIDerivedType(tag: DW_TAG_member, name: "const_va",
 // NOT-MS-SAME:           line: [[@LINE-5]]
-// NOT-MS-SAME:           extraData: i32 42
+// NOT-MS-NOT:            extraData:
 const int V::const_va;
 
 namespace x {
@@ -156,3 +156,15 @@ struct y {
 };
 int y::z;
 }
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[CONST_A_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
+// CHECK:      ![[CONST_A_VAR]] = distinct !DIGlobalVariable(name: "const_a"
+// CHECK-SAME:                    isLocal: true, isDefinition: true, declaration: ![[CONST_A_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[CONST_B_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, {{.*}}, DW_OP_stack_value))
+// CHECK:      ![[CONST_B_VAR]] = distinct !DIGlobalVariable(name: "const_b"
+// CHECK-SAME:                    isLocal: true, isDefinition: true, declaration: ![[CONST_B_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[CONST_C_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 18, DW_OP_stack_value))
+// CHECK:      ![[CONST_C_VAR]] = distinct !DIGlobalVariable(name: "const_c"
+// CHECK-SAME:                    isLocal: true, isDefinition: true, declaration: ![[CONST_C_DECL]])
diff --git a/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py b/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
index 530191e8a37ba1b..78ea23ac8f70610 100644
--- a/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
+++ b/lldb/test/API/lang/cpp/const_static_integral_member/TestConstStaticIntegralMember.py
@@ -102,9 +102,10 @@ def test(self):
         # it does not crash.
         self.expect("image lookup -t A")
 
-    # dsymutil strips the debug info for classes that only have const static
-    # data members without a definition namespace scope.
-    @expectedFailureAll(debug_info=["dsym"])
+    # For debug-info produced by older versions of clang, dsymutil strips the
+    # debug info for classes that only have const static data members without
+    # definitions.
+    @expectedFailureAll(compiler=["clang"], compiler_version=["<", "18.0"])
     def test_class_with_only_const_static(self):
         self.build()
         lldbutil.run_to_source_breakpoint(
diff --git a/lldb/test/API/tools/lldb-dap/variables/TestDAP_variables.py b/lldb/test/API/tools/lldb-dap/variables/TestDAP_variables.py
index 11d9bf18db7a6e1..d2a21ad3cd1d44f 100644
--- a/lldb/test/API/tools/lldb-dap/variables/TestDAP_variables.py
+++ b/lldb/test/API/tools/lldb-dap/variables/TestDAP_variables.py
@@ -87,10 +87,11 @@ def verify_values(self, verify_dict, actual, varref_dict=None, expression=None):
     def verify_variables(self, verify_dict, variables, varref_dict=None):
         for variable in variables:
             name = variable["name"]
-            self.assertIn(
-                name, verify_dict, 'variable "%s" in verify dictionary' % (name)
-            )
-            self.verify_values(verify_dict[name], variable, varref_dict)
+            if not name.startswith("std::"):
+                self.assertIn(
+                    name, verify_dict, 'variable "%s" in verify dictionary' % (name)
+                )
+                self.verify_values(verify_dict[name], variable, varref_dict)
 
     def darwin_dwarf_missing_obj(self, initCommands):
         self.build(debug_info="dwarf")

>From 78369ca3ba13e228811971273ed3eb9225f6fd09 Mon Sep 17 00:00:00 2001
From: Michael Buch <michaelbuch12 at gmail.com>
Date: Thu, 9 Nov 2023 07:05:23 +0000
Subject: [PATCH 2/2] fixup! add missing test file

---
 .../debug-info-static-inline-member.cpp       | 108 ++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 clang/test/CodeGenCXX/debug-info-static-inline-member.cpp

diff --git a/clang/test/CodeGenCXX/debug-info-static-inline-member.cpp b/clang/test/CodeGenCXX/debug-info-static-inline-member.cpp
new file mode 100644
index 000000000000000..06d4899752f349f
--- /dev/null
+++ b/clang/test/CodeGenCXX/debug-info-static-inline-member.cpp
@@ -0,0 +1,108 @@
+// RUN: %clangxx -target arm64-apple-macosx11.0.0 -g -debug-info-kind=standalone %s -emit-llvm -S -o - | FileCheck --check-prefixes=CHECK %s
+// RUN: %clangxx -target arm64-apple-macosx11.0.0 -g -debug-info-kind=limited %s -emit-llvm -S -o - | FileCheck --check-prefixes=CHECK %s
+
+enum class Enum : int {
+  VAL = -1
+};
+
+struct Empty {};
+struct Fwd;
+
+constexpr auto func() { return 25; }
+
+struct Foo {
+    static constexpr int cexpr_int_with_addr = func();
+    static constexpr int cexpr_int2 = func() + 1;
+    static constexpr float cexpr_float = 2.0 + 1.0;
+    static constexpr Enum cexpr_enum = Enum::VAL;
+    static constexpr Empty cexpr_struct_with_addr{};
+    static inline    Enum inline_enum = Enum::VAL;
+
+    template<typename T, unsigned V>
+    static constexpr auto cexpr_template = V;
+
+    static const auto empty_templated = cexpr_template<Fwd, 1>;
+};
+
+int main() {
+    Foo f;
+    //Bar b;
+
+    // Force global variable definitions to be emitted.
+    (void)&Foo::cexpr_int_with_addr;
+    (void)&Foo::cexpr_struct_with_addr;
+
+    return Foo::cexpr_int_with_addr + Foo::cexpr_float
+           + (int)Foo::cexpr_enum + Foo::cexpr_template<short, 5>
+           + Foo::empty_templated;
+}
+
+// CHECK:      @{{.*}}cexpr_int_with_addr{{.*}} =
+// CHECK-SAME:   !dbg ![[INT_GLOBAL:[0-9]+]]
+
+// CHECK:      @{{.*}}cexpr_struct_with_addr{{.*}} = 
+// CHECK-SAME    !dbg ![[EMPTY_GLOBAL:[0-9]+]]
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[INT_VAR:[0-9]+]], expr: !DIExpression())
+// CHECK:      ![[INT_VAR]] = distinct !DIGlobalVariable(name: "cexpr_int_with_addr", linkageName:
+// CHECK-SAME:                isLocal: false, isDefinition: true, declaration: ![[INT_DECL:[0-9]+]])
+
+// CHECK:      ![[INT_DECL]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_int_with_addr",
+// CHECK-SAME:                 flags: DIFlagStaticMember
+// CHECK-NOT:                  extraData:
+
+// CHECK:      ![[INT_DECL2:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_int2",
+// CHECK-SAME:                         flags: DIFlagStaticMember
+// CHECK-NOT:                          extraData:
+
+// CHECK:      ![[FLOAT_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_float",
+// CHECK-SAME:                          flags: DIFlagStaticMember
+// CHECK-NOT:                           extraData:
+
+// CHECK:      ![[ENUM_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_enum",
+// CHECK-SAME:                         flags: DIFlagStaticMember
+// CHECK-NOT:                          extraData:
+
+// CHECK:      ![[EMPTY_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_struct_with_addr",
+// CHECK-SAME:                          flags: DIFlagStaticMember
+// CHECK-NOT:                           extraData:
+
+// CHECK:      ![[IENUM_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "inline_enum",
+// CHECK-SAME:                          flags: DIFlagStaticMember
+// CHECK-NOT:                           extraData:
+
+// CHECK:      ![[EMPTY_TEMPLATED_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "empty_templated",
+// CHECK-SAME:                                    flags: DIFlagStaticMember
+// CHECK-NOT:                                     extraData:
+
+// CHECK:      ![[TEMPLATE_DECL:[0-9]+]] = !DIDerivedType(tag: DW_TAG_member, name: "cexpr_template",
+// CHECK-SAME:                             flags: DIFlagStaticMember
+// CHECK-NOT:                              extraData:
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[EMPTY_VAR:[0-9]+]], expr: !DIExpression())
+// CHECK:      ![[EMPTY_VAR]] = distinct !DIGlobalVariable(name: "cexpr_struct_with_addr", linkageName:
+// CHECK-SAME:                  isLocal: false, isDefinition: true, declaration: ![[EMPTY_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[INT_VAR2:[0-9]+]], expr: !DIExpression(DW_OP_constu, 26, DW_OP_stack_value))
+// CHECK:      ![[INT_VAR2]] = distinct !DIGlobalVariable(name: "cexpr_int2", linkageName:
+// CHECK-SAME:                 isLocal: true, isDefinition: true, declaration: ![[INT_DECL2]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[FLOAT_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, {{.*}}, DW_OP_stack_value))
+// CHECK:      ![[FLOAT_VAR]] = distinct !DIGlobalVariable(name: "cexpr_float", linkageName:
+// CHECK-SAME:                  isLocal: true, isDefinition: true, declaration: ![[FLOAT_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[ENUM_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, {{.*}}, DW_OP_stack_value))
+// CHECK:      ![[ENUM_VAR]] = distinct !DIGlobalVariable(name: "cexpr_enum", linkageName:
+// CHECK-SAME:                 isLocal: true, isDefinition: true, declaration: ![[ENUM_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[IENUM_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, {{.*}}, DW_OP_stack_value))
+// CHECK:      ![[IENUM_VAR]] = distinct !DIGlobalVariable(name: "inline_enum", linkageName:
+// CHECK-SAME:                  isLocal: true, isDefinition: true, declaration: ![[IENUM_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[EMPTY_TEMPLATED_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
+// CHECK:      ![[EMPTY_TEMPLATED_VAR]] = distinct !DIGlobalVariable(name: "empty_templated", linkageName:
+// CHECK-SAME:                            isLocal: true, isDefinition: true, declaration: ![[EMPTY_TEMPLATED_DECL]])
+
+// CHECK:      !DIGlobalVariableExpression(var: ![[TEMPLATE_VAR:[0-9]+]], expr: !DIExpression(DW_OP_constu, 5, DW_OP_stack_value))
+// CHECK:      ![[TEMPLATE_VAR]] = distinct !DIGlobalVariable(name: "cexpr_template", linkageName:
+// CHECK-SAME:                     isLocal: true, isDefinition: true, declaration: ![[TEMPLATE_DECL]], templateParams: ![[TEMPLATE_PARMS_2:[0-9]+]])



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