[llvm] [ADT] Add signed and unsigned mulHi and mulLo to APInt (PR #84719)

[Simon Pilgrim via llvm-commits]

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@@ -6706,8 +6698,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     break;
   case ISD::UDIV:
   case ISD::UREM:
-  case ISD::MULHU:
   case ISD::MULHS:
+  case ISD::MULHU:
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RKSimon wrote:

Superfluous - remove it

https://github.com/llvm/llvm-project/pull/84719