diff options
Diffstat (limited to 'llvm/lib/Target/R600/SIISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/R600/SIISelLowering.cpp | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/llvm/lib/Target/R600/SIISelLowering.cpp b/llvm/lib/Target/R600/SIISelLowering.cpp index 9b6c4f4ed85..e1256415309 100644 --- a/llvm/lib/Target/R600/SIISelLowering.cpp +++ b/llvm/lib/Target/R600/SIISelLowering.cpp @@ -76,7 +76,6 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) : setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16i32, Expand); setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16f32, Expand); - setOperationAction(ISD::ADD, MVT::i64, Legal); setOperationAction(ISD::ADD, MVT::i32, Legal); setOperationAction(ISD::ADDC, MVT::i32, Legal); setOperationAction(ISD::ADDE, MVT::i32, Legal); @@ -488,7 +487,6 @@ SDValue SITargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const { SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>(); switch (Op.getOpcode()) { default: return AMDGPUTargetLowering::LowerOperation(Op, DAG); - case ISD::ADD: return LowerADD(Op, DAG); case ISD::BRCOND: return LowerBRCOND(Op, DAG); case ISD::LOAD: { LoadSDNode *Load = dyn_cast<LoadSDNode>(Op); @@ -628,33 +626,6 @@ SDValue SITargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const { return SDValue(); } -SDValue SITargetLowering::LowerADD(SDValue Op, - SelectionDAG &DAG) const { - if (Op.getValueType() != MVT::i64) - return SDValue(); - - SDLoc DL(Op); - SDValue LHS = Op.getOperand(0); - SDValue RHS = Op.getOperand(1); - - SDValue Zero = DAG.getConstant(0, MVT::i32); - SDValue One = DAG.getConstant(1, MVT::i32); - - SDValue Lo0 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, LHS, Zero); - SDValue Hi0 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, LHS, One); - - SDValue Lo1 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, RHS, Zero); - SDValue Hi1 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, RHS, One); - - SDVTList VTList = DAG.getVTList(MVT::i32, MVT::Glue); - - SDValue AddLo = DAG.getNode(ISD::ADDC, DL, VTList, Lo0, Lo1); - SDValue Carry = AddLo.getValue(1); - SDValue AddHi = DAG.getNode(ISD::ADDE, DL, VTList, Hi0, Hi1, Carry); - - return DAG.getNode(ISD::BUILD_PAIR, DL, MVT::i64, AddLo, AddHi.getValue(0)); -} - /// \brief Helper function for LowerBRCOND static SDNode *findUser(SDValue Value, unsigned Opcode) { |
