1 files changed, 1 insertions, 25 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index a961685ff71..093778add49 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1571,36 +1571,12 @@ bool TargetLowering::SimplifyDemandedBits(
       if (SimplifyDemandedBits(Src, DemandedSrcBits, DemandedSrcElts,
                                KnownSrcBits, TLO, Depth + 1))
         return true;
-    } else if ((NumSrcEltBits % BitWidth) == 0 &&
-               TLO.DAG.getDataLayout().isLittleEndian()) {
-      unsigned Scale = NumSrcEltBits / BitWidth;
-      unsigned NumSrcElts = SrcVT.isVector() ? SrcVT.getVectorNumElements() : 1;
-      APInt DemandedSrcBits = APInt::getNullValue(NumSrcEltBits);
-      APInt DemandedSrcElts = APInt::getNullValue(NumSrcElts);
-      for (unsigned i = 0; i != NumElts; ++i)
-        if (DemandedElts[i]) {
-          unsigned Offset = (i % Scale) * BitWidth;
-          DemandedSrcBits.insertBits(DemandedBits, Offset);
-          DemandedSrcElts.setBit(i / Scale);
-        }
-
-      if (SrcVT.isVector()) {
-        APInt KnownSrcUndef, KnownSrcZero;
-        if (SimplifyDemandedVectorElts(Src, DemandedSrcElts, KnownSrcUndef,
-                                       KnownSrcZero, TLO, Depth + 1))
-          return true;
-      }
-
-      KnownBits KnownSrcBits;
-      if (SimplifyDemandedBits(Src, DemandedSrcBits, DemandedSrcElts,
-                               KnownSrcBits, TLO, Depth + 1))
-        return true;
     }
 
     // If this is a bitcast, let computeKnownBits handle it.  Only do this on a
     // recursive call where Known may be useful to the caller.
     if (Depth > 0) {
-      Known = TLO.DAG.computeKnownBits(Op, DemandedElts, Depth);
+      Known = TLO.DAG.computeKnownBits(Op, Depth);
       return false;
     }
     break;