remove unused function

Author: bogner

llvm/lib/Target/DirectX/DXILOpBuilder.cpp

@@ -535,9 +535,6 @@ StructType *DXILOpBuilder::getResRetType(Type *ElementTy) {
   return ::getResRetType(ElementTy);
 }
 
-StructType *DXILOpBuilder::getSplitDoubleType(LLVMContext &Context) {
-  return ::getSplitDoubleType(Context);
-}
 
 StructType *DXILOpBuilder::getHandleType() {
   return ::getHandleType(IRB.getContext());

llvm/lib/Target/DirectX/DXILOpBuilder.h

@@ -50,9 +50,6 @@ class DXILOpBuilder {
   /// Get a `%dx.types.ResRet` type with the given element type.
   StructType *getResRetType(Type *ElementTy);
 
-  /// Get the `%dx.types.splitdouble` type.
-  StructType *getSplitDoubleType(LLVMContext &Context);
-
   /// Get the `%dx.types.Handle` type.
   StructType *getHandleType();