[llvm] [DAG] SimplifyDemandedBits - ICMP_SLT(X, 0) - only sign mask of X is required (PR #164946)

[Anikesh Parashar via llvm-commits]

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@@ -1779,12 +1778,11 @@ bool TargetLowering::SimplifyDemandedBits(
           SDLoc DL(Op);
           EVT VT = Op0.getValueType();
           SDValue NotOp0 = TLO.DAG.getNOT(DL, Op0, VT);
-          Changed |= TLO.CombineTo(Op, NotOp0);
+          return TLO.CombineTo(Op, NotOp0);
         } else {
-          Changed |= TLO.CombineTo(Op, Op0);
+          return TLO.CombineTo(Op, Op0);
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an1k3sh wrote:

Corrected :)

https://github.com/llvm/llvm-project/pull/164946