diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 282dfd11ca9..d59e335c187 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -635,16 +635,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { if (!TLI.isLittleEndian()) std::swap(Lo, Hi); - Lo = DAG.getNode(ISD::STORE, MVT::Other,Tmp1, Lo, Tmp2,Node->getOperand(3)); - + Lo = DAG.getNode(ISD::STORE, MVT::Other, Tmp1, Lo, Tmp2, + Node->getOperand(3)); unsigned IncrementSize = MVT::getSizeInBits(Hi.getValueType())/8; Tmp2 = DAG.getNode(ISD::ADD, Tmp2.getValueType(), Tmp2, getIntPtrConstant(IncrementSize)); assert(isTypeLegal(Tmp2.getValueType()) && "Pointers must be legal!"); //Again, claiming both parts of the store came form the same Instr - Hi = DAG.getNode(ISD::STORE, MVT::Other, Tmp1, Hi, Tmp2, Node->getOperand(3)); - + Hi = DAG.getNode(ISD::STORE, MVT::Other, Tmp1, Hi, Tmp2, + Node->getOperand(3)); Result = DAG.getNode(ISD::TokenFactor, MVT::Other, Lo, Hi); break; } @@ -1079,7 +1079,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case TargetLowering::Promote: { MVT::ValueType OVT = Tmp1.getValueType(); MVT::ValueType NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); - //Zero extend the argument + + // Zero extend the argument. Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1); // Perform the larger operation, then subtract if needed. Tmp1 = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1); @@ -2170,6 +2171,16 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ Hi = LegalizeOp(Node->getOperand(1)); break; + case ISD::CTPOP: + ExpandOp(Node->getOperand(0), Lo, Hi); + Lo = DAG.getNode(ISD::ADD, NVT, Lo, Hi); + Hi = DAG.getConstant(0, NVT); + break; + + case ISD::CTTZ: + case ISD::CTLZ: + assert(0 && "ct intrinsics cannot be expanded!"); + case ISD::LOAD: { SDOperand Ch = LegalizeOp(Node->getOperand(0)); // Legalize the chain. SDOperand Ptr = LegalizeOp(Node->getOperand(1)); // Legalize the pointer.