Revert "[DebugInfo] Support to emit debugInfo for extern variables"

This reverts commit d77ae1552fc21a9f3877f3ed7e13d631f517c825.

The tests committed along with this change do not pass, and should be
changed to use %clang_cc1.

1 files changed, 0 insertions, 17 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 1fc2beb12ed..02b2dd35bc9 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -3730,10 +3730,6 @@ void CodeGenModule::EmitTentativeDefinition(const VarDecl *D) {
   EmitGlobalVarDefinition(D);
 }
 
-void CodeGenModule::EmitExternalDeclaration(const VarDecl *D) {
-  EmitExternalVarDeclaration(D);
-}
-
 CharUnits CodeGenModule::GetTargetTypeStoreSize(llvm::Type *Ty) const {
   return Context.toCharUnitsFromBits(
       getDataLayout().getTypeStoreSizeInBits(Ty));
@@ -4117,19 +4113,6 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D,
       DI->EmitGlobalVariable(GV, D);
 }
 
-void CodeGenModule::EmitExternalVarDeclaration(const VarDecl *D) {
-  if (CGDebugInfo *DI = getModuleDebugInfo())
-    if (getCodeGenOpts().getDebugInfo() >= codegenoptions::LimitedDebugInfo) {
-      QualType ASTTy = D->getType();
-      llvm::Type *Ty = getTypes().ConvertTypeForMem(D->getType());
-      llvm::PointerType *PTy =
-          llvm::PointerType::get(Ty, getContext().getTargetAddressSpace(ASTTy));
-      llvm::Constant *GV = GetOrCreateLLVMGlobal(D->getName(), PTy, D);
-      DI->EmitExternalVariable(
-          cast<llvm::GlobalVariable>(GV->stripPointerCasts()), D);
-    }
-}
-
 static bool isVarDeclStrongDefinition(const ASTContext &Context,
                                       CodeGenModule &CGM, const VarDecl *D,
                                       bool NoCommon) {