1 files changed, 5 insertions, 27 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 589f88d1de6..d4d94cabe83 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -455,16 +455,6 @@ void DwarfDebug::constructAndAddImportedEntityDIE(DwarfCompileUnit &TheCU,
     D->addChild(TheCU.constructImportedEntityDIE(N));
 }
 
-bool DwarfDebug::collectLocalScopedNode(DIScope *S, const DINode *N,
-                                        DwarfCompileUnit &CU) {
-  if (auto LS = dyn_cast_or_null<DILocalScope>(S)) {
-    getLocalScopes(LS->getSubprogram()).insert(LS);
-    CU.addLocalDeclNode(N, LS);
-    return true;
-  }
-  return false;
-}
-
 // Emit all Dwarf sections that should come prior to the content. Create
 // global DIEs and emit initial debug info sections. This is invoked by
 // the target AsmPrinter.
@@ -484,9 +474,10 @@ void DwarfDebug::beginModule() {
   for (MDNode *N : CU_Nodes->operands()) {
     auto *CUNode = cast<DICompileUnit>(N);
     DwarfCompileUnit &CU = constructDwarfCompileUnit(CUNode);
+    for (auto *IE : CUNode->getImportedEntities())
+      CU.addImportedEntity(IE);
     for (auto *GV : CUNode->getGlobalVariables())
-      if (!collectLocalScopedNode(GV->getScope(), GV, CU))
-        CU.getOrCreateGlobalVariableDIE(GV);
+      CU.getOrCreateGlobalVariableDIE(GV);
     for (auto *SP : CUNode->getSubprograms())
       SPMap.insert(std::make_pair(SP, &CU));
     for (auto *Ty : CUNode->getEnumTypes()) {
@@ -498,17 +489,14 @@ void DwarfDebug::beginModule() {
       // The retained types array by design contains pointers to
       // MDNodes rather than DIRefs. Unique them here.
       DIType *RT = cast<DIType>(resolve(Ty->getRef()));
-      if (RT->isExternalTypeRef())
+      if (!RT->isExternalTypeRef())
         // There is no point in force-emitting a forward declaration.
-        continue;
-      if (!collectLocalScopedNode(resolve(Ty->getScope()), RT, CU))
         CU.getOrCreateTypeDIE(RT);
     }
     // Emit imported_modules last so that the relevant context is already
     // available.
     for (auto *IE : CUNode->getImportedEntities())
-      if (!collectLocalScopedNode(IE->getScope(), IE, CU))
-        constructAndAddImportedEntityDIE(CU, IE);
+      constructAndAddImportedEntityDIE(CU, IE);
   }
 
   // Tell MMI that we have debug info.
@@ -541,11 +529,6 @@ void DwarfDebug::finishSubprogramDefinitions() {
     });
 }
 
-void DwarfDebug::finishLocalScopeDefinitions() {
-  for (const auto &I : CUMap)
-    I.second->finishLocalScopeDefinitions();
-}
-
 // Collect info for variables that were optimized out.
 void DwarfDebug::collectDeadVariables() {
   const Module *M = MMI->getModule();
@@ -571,8 +554,6 @@ void DwarfDebug::finalizeModuleInfo() {
 
   finishSubprogramDefinitions();
 
-  finishLocalScopeDefinitions();
-
   finishVariableDefinitions();
 
   // Collect info for variables that were optimized out.
@@ -1183,9 +1164,6 @@ void DwarfDebug::endFunction(const MachineFunction *MF) {
       assert(LScopes.getAbstractScopesList().size() == NumAbstractScopes
              && "ensureAbstractVariableIsCreated inserted abstract scopes");
     }
-    // Assure abstract local scope created for each one contains local DIEs.
-    for (const DILocalScope *LS : getLocalScopes(SP))
-      LScopes.getOrCreateAbstractScope(LS);
     constructAbstractSubprogramScopeDIE(AScope);
   }