diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 8ce26281a3d..ad1f47c2dca 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -1420,7 +1420,10 @@ void SelectionDAGLowering::visitShift(User &I, unsigned Opcode) { SDOperand Op1 = getValue(I.getOperand(0)); SDOperand Op2 = getValue(I.getOperand(1)); - Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2); + if (TLI.getShiftAmountTy() < Op2.getValueType()) + Op2 = DAG.getNode(ISD::TRUNCATE, TLI.getShiftAmountTy(), Op2); + else if (TLI.getShiftAmountTy() > Op2.getValueType()) + Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2); setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2)); } |
