[llvm] [SelectionDAG] Propogate Disjoint flag. (PR #88370)

[Matt Arsenault via llvm-commits]

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@@ -544,6 +544,8 @@ bool TargetLowering::ShrinkDemandedConstant(SDValue Op,
     if (!C.isSubsetOf(DemandedBits)) {
       EVT VT = Op.getValueType();
       SDValue NewC = TLO.DAG.getConstant(DemandedBits & C, DL, VT);
+      // Propogate flags.
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arsenm wrote:

Drop comment 

https://github.com/llvm/llvm-project/pull/88370