diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 4b02c54a4e..b49fa9be53 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -186,7 +186,7 @@ private: /// scalar (e.g. f32) value. SDOperand ScalarizeVectorOp(SDOperand O); - /// isShuffleLegal - Return true if a vector shuffle is legal with the + /// isShuffleLegal - Return non-null if a vector shuffle is legal with the /// specified mask and type. Targets can specify exactly which masks they /// support and the code generator is tasked with not creating illegal masks. /// @@ -241,6 +241,7 @@ SDNode *SelectionDAGLegalize::isShuffleLegal(MVT VT, SDOperand Mask) const { // If this is promoted to a different type, convert the shuffle mask and // ask if it is legal in the promoted type! MVT NVT = TLI.getTypeToPromoteTo(ISD::VECTOR_SHUFFLE, VT); + MVT EltVT = NVT.getVectorElementType(); // If we changed # elements, change the shuffle mask. unsigned NumEltsGrowth = @@ -253,10 +254,10 @@ SDNode *SelectionDAGLegalize::isShuffleLegal(MVT VT, SDOperand Mask) const { SDOperand InOp = Mask.getOperand(i); for (unsigned j = 0; j != NumEltsGrowth; ++j) { if (InOp.getOpcode() == ISD::UNDEF) - Ops.push_back(DAG.getNode(ISD::UNDEF, MVT::i32)); + Ops.push_back(DAG.getNode(ISD::UNDEF, EltVT)); else { unsigned InEltNo = cast<ConstantSDNode>(InOp)->getValue(); - Ops.push_back(DAG.getConstant(InEltNo*NumEltsGrowth+j, MVT::i32)); + Ops.push_back(DAG.getConstant(InEltNo*NumEltsGrowth+j, EltVT)); } } } |