diff --git a/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp b/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp
index db310f5a2bacb..cff8d637dcb87 100644
--- a/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp
+++ b/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp
@@ -320,8 +320,7 @@ static Value *expandIsFPClass(CallInst *Orig) {
     return RetVal;
   }
   default:
-    report_fatal_error(Twine("Unsupported FPClassTest"),
-                       /* gen_crash_diag=*/false);
+    reportFatalUsageError("Unsupported FPClassTest");
   }
 }