Remove OriginalTypeParmDecl; the original type is the one specified

in the DeclaratorInfo, if one is present.

Preserve source information through template instantiation.  This is made
more complicated by the possibility that ParmVarDecls don't have DIs, which
is possibly worth fixing in the future.

Also preserve source information for function parameters in ObjC method
declarations.

llvm-svn: 84971

3 files changed, 1 insertions, 22 deletions

diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index d270a958f0a..19d00de7457 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -91,13 +91,6 @@ ParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC,
   return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, DInfo, S, DefArg);
 }
 
-QualType ParmVarDecl::getOriginalType() const {
-  if (const OriginalParmVarDecl *PVD =
-      dyn_cast<OriginalParmVarDecl>(this))
-    return PVD->OriginalType;
-  return getType();
-}
-
 SourceRange ParmVarDecl::getDefaultArgRange() const {
   if (const Expr *E = getInit())
     return E->getSourceRange();
@@ -140,14 +133,6 @@ bool VarDecl::isExternC() const {
   return false;
 }
 
-OriginalParmVarDecl *OriginalParmVarDecl::Create(
-                                 ASTContext &C, DeclContext *DC,
-                                 SourceLocation L, IdentifierInfo *Id,
-                                 QualType T, DeclaratorInfo *DInfo,
-                                 QualType OT, StorageClass S, Expr *DefArg) {
-  return new (C) OriginalParmVarDecl(DC, L, Id, T, DInfo, OT, S, DefArg);
-}
-
 FunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC,
                                    SourceLocation L,
                                    DeclarationName N, QualType T,
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 224bf877ad2..6cfdcdd3e50 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -199,7 +199,6 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
     case Var:
     case ImplicitParam:
     case ParmVar:
-    case OriginalParmVar:
     case NonTypeTemplateParm:
     case Using:
     case UnresolvedUsing:
diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp
index 9d0d836cf62..7ef30c3bb34 100644
--- a/clang/lib/AST/DeclPrinter.cpp
+++ b/clang/lib/AST/DeclPrinter.cpp
@@ -52,7 +52,6 @@ namespace {
     void VisitFieldDecl(FieldDecl *D);
     void VisitVarDecl(VarDecl *D);
     void VisitParmVarDecl(ParmVarDecl *D);
-    void VisitOriginalParmVarDecl(OriginalParmVarDecl *D);
     void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
     void VisitOverloadedFunctionDecl(OverloadedFunctionDecl *D);
     void VisitNamespaceDecl(NamespaceDecl *D);
@@ -489,7 +488,7 @@ void DeclPrinter::VisitVarDecl(VarDecl *D) {
 
   std::string Name = D->getNameAsString();
   QualType T = D->getType();
-  if (OriginalParmVarDecl *Parm = dyn_cast<OriginalParmVarDecl>(D))
+  if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D))
     T = Parm->getOriginalType();
   T.getAsStringInternal(Name, Policy);
   Out << Name;
@@ -508,10 +507,6 @@ void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
   VisitVarDecl(D);
 }
 
-void DeclPrinter::VisitOriginalParmVarDecl(OriginalParmVarDecl *D) {
-  VisitVarDecl(D);
-}
-
 void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
   Out << "__asm (";
   D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation);