Factor out most of the extra state in a FunctionProtoType into a separate

class to be passed around.  The line between argument and return types and
everything else is kindof vague, but I think it's justifiable.

llvm-svn: 121752

1 files changed, 7 insertions, 10 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 403838176c6..66e517008ca 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1285,10 +1285,7 @@ bool Sema::MergeFunctionDecl(FunctionDecl *New, Decl *OldD) {
                                                  OldProto->arg_type_end());
       NewQType = Context.getFunctionType(NewFuncType->getResultType(),
                                          ParamTypes.data(), ParamTypes.size(),
-                                         OldProto->isVariadic(),
-                                         OldProto->getTypeQuals(),
-                                         false, false, 0, 0,
-                                         OldProto->getExtInfo());
+                                         OldProto->getExtProtoInfo());
       New->setType(NewQType);
       New->setHasInheritedPrototype();
 
@@ -1370,9 +1367,7 @@ bool Sema::MergeFunctionDecl(FunctionDecl *New, Decl *OldD) {
 
       New->setType(Context.getFunctionType(MergedReturn, &ArgTypes[0],
                                            ArgTypes.size(),
-                                           OldProto->isVariadic(), 0,
-                                           false, false, 0, 0,
-                                           OldProto->getExtInfo()));
+                                           OldProto->getExtProtoInfo()));
       return MergeCompatibleFunctionDecls(New, Old);
     }
 
@@ -4046,9 +4041,11 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
 
     // Turn this into a variadic function with no parameters.
     const FunctionType *FT = NewFD->getType()->getAs<FunctionType>();
-    QualType R = Context.getFunctionType(FT->getResultType(),
-                                         0, 0, true, 0, false, false, 0, 0,
-                                         FT->getExtInfo());
+    FunctionProtoType::ExtProtoInfo EPI;
+    EPI.Variadic = true;
+    EPI.ExtInfo = FT->getExtInfo();
+
+    QualType R = Context.getFunctionType(FT->getResultType(), 0, 0, EPI);
     NewFD->setType(R);
   }