DebugInfo: Sink constructImportedEntityDIE down into DwarfUnit from DwarfDebug.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfUnit.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 59b47eece5931547ff6db45476e4e11a53648202..feea4a7291ca8eff8a02a5e5d6d377504a4927d9 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/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.