diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -6363,18 +6363,9 @@ // fold (and (load x), 255) -> (zextload x, i8) // fold (and (extload x, i16), 255) -> (zextload x, i8) - // fold (and (any_ext (extload x, i16)), 255) -> (zextload x, i8) - if (!VT.isVector() && N1C && (N0.getOpcode() == ISD::LOAD || - (N0.getOpcode() == ISD::ANY_EXTEND && - N0.getOperand(0).getOpcode() == ISD::LOAD))) { - if (SDValue Res = reduceLoadWidth(N)) { - LoadSDNode *LN0 = N0->getOpcode() == ISD::ANY_EXTEND - ? cast(N0.getOperand(0)) : cast(N0); - AddToWorklist(N); - DAG.ReplaceAllUsesOfValueWith(SDValue(LN0, 0), Res); - return SDValue(N, 0); - } - } + if (N1C && N0.getOpcode() == ISD::LOAD && !VT.isVector()) + if (SDValue Res = reduceLoadWidth(N)) + return Res; if (LegalTypes) { // Attempt to propagate the AND back up to the leaves which, if they're