[llvm] CodeGen: Add ISD::AssertNoFPClass (PR #135946)

[Matt Arsenault via llvm-commits]

================
@@ -11850,12 +11850,11 @@ void SelectionDAGISel::LowerArguments(const Function &F) {
 
     FPClassTest NoFPClass = Arg.getNoFPClass();
     if (NoFPClass != fcNone) {
-      EVT I64EVT = EVT::getIntegerVT(*DAG.getContext(), 64);
       SDValue SDNoFPClass =
-          DAG.getConstant(static_cast<uint64_t>(NoFPClass), dl, I64EVT);
-      SDNodeFlags ResFlags = Res->getFlags();
+          DAG.getTargetConstant(static_cast<uint64_t>(NoFPClass), dl,
+                                TLI->getPointerTy(DAG.getDataLayout()));
----------------
arsenm wrote:

The type of target constants does not matter at all. Making this a variable type is added complexity for no benefit 

https://github.com/llvm/llvm-project/pull/135946