diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 66be160afec..6cf16ae5a66 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1298,11 +1298,8 @@ static void commuteShuffle(SDValue &N1, SDValue &N2, SmallVectorImpl<int> &M) { SDValue SelectionDAG::getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, SDValue N2, const int *Mask) { - assert(N1.getValueType() == N2.getValueType() && "Invalid VECTOR_SHUFFLE"); - assert(VT.isVector() && N1.getValueType().isVector() && - "Vector Shuffle VTs must be a vectors"); - assert(VT.getVectorElementType() == N1.getValueType().getVectorElementType() - && "Vector Shuffle VTs must have same element type"); + assert(VT == N1.getValueType() && VT == N2.getValueType() && + "Invalid VECTOR_SHUFFLE"); // Canonicalize shuffle undef, undef -> undef if (N1.getOpcode() == ISD::UNDEF && N2.getOpcode() == ISD::UNDEF) @@ -1356,7 +1353,7 @@ SDValue SelectionDAG::getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, for (unsigned i = 0; i != NElts; ++i) { if (MaskVec[i] >= 0 && MaskVec[i] != (int)i) Identity = false; } - if (Identity && NElts == N1.getValueType().getVectorNumElements()) + if (Identity && NElts) return N1; FoldingSetNodeID ID; |
