Remove unused parameter from helper function in Builtins.cpp

Intrinsics never have custom function type ExtInfo anymore. (This used
to be where the "noreturn" bit lived, but now that's represented by
Swift.Never.)

No functionality change.

Author: jrose-apple

lib/AST/Builtins.cpp

@@ -1322,7 +1322,7 @@ getSwiftFunctionTypeForIntrinsic(llvm::Intrinsic::ID ID,
                                  ArrayRef<Type> TypeArgs,
                                  ASTContext &Context,
                                  SmallVectorImpl<Type> &ArgElts,
-                                 Type &ResultTy, FunctionType::ExtInfo &Info) {
+                                 Type &ResultTy) {
   typedef llvm::Intrinsic::IITDescriptor IITDescriptor;
   SmallVector<IITDescriptor, 8> Table;
   getIntrinsicInfoTableEntries(ID, Table);
@@ -1344,7 +1344,6 @@ getSwiftFunctionTypeForIntrinsic(llvm::Intrinsic::ID ID,
   // Translate LLVM function attributes to Swift function attributes.
   llvm::AttributeList attrs =
       llvm::Intrinsic::getAttributes(getGlobalLLVMContext(), ID);
-  Info = FunctionType::ExtInfo();
   if (attrs.hasAttribute(llvm::AttributeList::FunctionIndex,
                          llvm::Attribute::NoReturn)) {
     ResultTy = Context.getNeverType();
@@ -1438,10 +1437,8 @@ ValueDecl *swift::getBuiltinValueDecl(ASTContext &Context, Identifier Id) {
   if (llvm::Intrinsic::ID ID = getLLVMIntrinsicID(OperationName)) {
     SmallVector<Type, 8> ArgElts;
     Type ResultTy;
-    FunctionType::ExtInfo Info;
-    if (getSwiftFunctionTypeForIntrinsic(ID, Types, Context, ArgElts, ResultTy,
-                                         Info))
-      return getBuiltinFunction(Id, ArgElts, ResultTy, Info);
+    if (getSwiftFunctionTypeForIntrinsic(ID, Types, Context, ArgElts, ResultTy))
+      return getBuiltinFunction(Id, ArgElts, ResultTy);
   }
 
   // If this starts with fence, we have special suffixes to handle.