DebugInfo: Sink constructImportedEntityDIE down into DwarfUnit from DwarfDebug.

It was just calling a bunch of DwarfUnit functions anyway, as can be
seen by the simplification of removing "TheCU" from all the function
calls in the implementation.

llvm-svn: 219103

llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp

@@ -595,7 +595,7 @@ void DwarfDebug::constructScopeDIE(
     for (ImportedEntityMap::const_iterator i = Range.first; i != Range.second;
          ++i)
       Children.push_back(
-          constructImportedEntityDIE(TheCU, DIImportedEntity(i->second)));
+          TheCU.constructImportedEntityDIE(DIImportedEntity(i->second)));
     // If there are only other scopes as children, put them directly in the
     // parent instead, as this scope would serve no purpose.
     if (Children.size() == ChildScopeCount) {
@@ -690,36 +690,7 @@ void DwarfDebug::constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
   DIImportedEntity Module(N);
   assert(Module.Verify());
   if (DIE *D = TheCU.getOrCreateContextDIE(Module.getContext()))
-    D->addChild(constructImportedEntityDIE(TheCU, Module));
-}
-
-std::unique_ptr<DIE>
-DwarfDebug::constructImportedEntityDIE(DwarfCompileUnit &TheCU,
-                                       const DIImportedEntity &Module) {
-  assert(Module.Verify() &&
-         "Use one of the MDNode * overloads to handle invalid metadata");
-  std::unique_ptr<DIE> IMDie = make_unique<DIE>((dwarf::Tag)Module.getTag());
-  TheCU.insertDIE(Module, IMDie.get());
-  DIE *EntityDie;
-  DIDescriptor Entity = resolve(Module.getEntity());
-  if (Entity.isNameSpace())
-    EntityDie = TheCU.getOrCreateNameSpace(DINameSpace(Entity));
-  else if (Entity.isSubprogram())
-    EntityDie = TheCU.getOrCreateSubprogramDIE(DISubprogram(Entity));
-  else if (Entity.isType())
-    EntityDie = TheCU.getOrCreateTypeDIE(DIType(Entity));
-  else
-    EntityDie = TheCU.getDIE(Entity);
-  assert(EntityDie);
-  TheCU.addSourceLine(*IMDie, Module.getLineNumber(),
-                      Module.getContext().getFilename(),
-                      Module.getContext().getDirectory());
-  TheCU.addDIEEntry(*IMDie, dwarf::DW_AT_import, *EntityDie);
-  StringRef Name = Module.getName();
-  if (!Name.empty())
-    TheCU.addString(*IMDie, dwarf::DW_AT_name, Name);
-
-  return IMDie;
+    D->addChild(TheCU.constructImportedEntityDIE(Module));
 }
 
 // Emit all Dwarf sections that should come prior to the content. Create

llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h

@@ -508,11 +508,6 @@ class DwarfDebug : public AsmPrinterHandler {
   void constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
                                         const MDNode *N);
 
-  /// \brief Construct import_module DIE.
-  std::unique_ptr<DIE>
-  constructImportedEntityDIE(DwarfCompileUnit &TheCU,
-                             const DIImportedEntity &Module);
-
   /// \brief Register a source line with debug info. Returns the unique
   /// label that was emitted and which provides correspondence to the
   /// source line list.

llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp

@@ -1139,6 +1139,34 @@ void DwarfUnit::constructSubprogramArguments(DIE &Buffer, DITypeArray Args) {
   }
 }
 
+std::unique_ptr<DIE>
+DwarfUnit::constructImportedEntityDIE(const DIImportedEntity &Module) {
+  assert(Module.Verify() &&
+         "Use one of the MDNode * overloads to handle invalid metadata");
+  std::unique_ptr<DIE> IMDie = make_unique<DIE>((dwarf::Tag)Module.getTag());
+  insertDIE(Module, IMDie.get());
+  DIE *EntityDie;
+  DIDescriptor Entity = resolve(Module.getEntity());
+  if (Entity.isNameSpace())
+    EntityDie = getOrCreateNameSpace(DINameSpace(Entity));
+  else if (Entity.isSubprogram())
+    EntityDie = getOrCreateSubprogramDIE(DISubprogram(Entity));
+  else if (Entity.isType())
+    EntityDie = getOrCreateTypeDIE(DIType(Entity));
+  else
+    EntityDie = getDIE(Entity);
+  assert(EntityDie);
+  addSourceLine(*IMDie, Module.getLineNumber(),
+                Module.getContext().getFilename(),
+                Module.getContext().getDirectory());
+  addDIEEntry(*IMDie, dwarf::DW_AT_import, *EntityDie);
+  StringRef Name = Module.getName();
+  if (!Name.empty())
+    addString(*IMDie, dwarf::DW_AT_name, Name);
+
+  return IMDie;
+}
+
 /// constructTypeDIE - Construct type DIE from DICompositeType.
 void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
   // Add name if not anonymous or intermediate type.

llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h

@@ -424,6 +424,10 @@ public:
   /// constructSubprogramArguments - Construct function argument DIEs.
   void constructSubprogramArguments(DIE &Buffer, DITypeArray Args);
 
+  /// \brief Construct import_module DIE.
+  std::unique_ptr<DIE>
+  constructImportedEntityDIE(const DIImportedEntity &Module);
+
   /// Create a DIE with the given Tag, add the DIE to its parent, and
   /// call insertDIE if MD is not null.
   DIE &createAndAddDIE(unsigned Tag, DIE &Parent,