diff --git a/llvm/lib/CodeGen/WinEHPrepare.cpp b/llvm/lib/CodeGen/WinEHPrepare.cpp
index 28efee0..041fb7b 100644
--- a/llvm/lib/CodeGen/WinEHPrepare.cpp
+++ b/llvm/lib/CodeGen/WinEHPrepare.cpp
@@ -949,14 +949,10 @@
           continue;
 
         // Skip call sites which are nounwind intrinsics or inline asm.
-        //
-        // FIXME: Should this check isIntrinsic() instead of
-        // hasLLVMReservedName?  The latter is conservative.
         auto *CalledFn =
             dyn_cast<Function>(CS.getCalledValue()->stripPointerCasts());
-        if (CalledFn &&
-            ((CalledFn->hasLLVMReservedName() && CS.doesNotThrow()) ||
-             CS.isInlineAsm()))
+        if (CalledFn && ((CalledFn->isIntrinsic() && CS.doesNotThrow()) ||
+                         CS.isInlineAsm()))
           continue;
 
         // This call site was not part of this funclet, remove it.