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https://github.com/c64scene-ar/llvm-6502.git
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Revert r191350.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191353 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -474,9 +474,7 @@ getOpndList(SmallVectorImpl<SDValue> &Ops,
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if (NeedMips16Helper) {
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RegsToPass.push_front(std::make_pair(V0Reg, Callee));
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JumpTarget = DAG.getExternalSymbol(Mips16HelperFunction, getPointerTy());
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JumpTarget = getAddrGlobal(cast<ExternalSymbolSDNode>(JumpTarget),
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JumpTarget.getValueType(), DAG,
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MipsII::MO_GOT);
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JumpTarget = getAddrGlobal(JumpTarget, DAG, MipsII::MO_GOT);
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} else
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RegsToPass.push_front(std::make_pair((unsigned)Mips::T9, Callee));
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}
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@ -80,91 +80,70 @@ SDValue MipsTargetLowering::getGlobalReg(SelectionDAG &DAG, EVT Ty) const {
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return DAG.getRegister(FI->getGlobalBaseReg(), Ty);
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}
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template<class NodeTy>
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static SDValue getTargetNode(NodeTy *Node, EVT Ty, SelectionDAG &DAG,
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unsigned Flag) {
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static SDValue getTargetNode(SDValue Op, SelectionDAG &DAG, unsigned Flag) {
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EVT Ty = Op.getValueType();
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if (GlobalAddressSDNode *N = dyn_cast<GlobalAddressSDNode>(Op))
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return DAG.getTargetGlobalAddress(N->getGlobal(), SDLoc(Op), Ty, 0,
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Flag);
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if (ExternalSymbolSDNode *N = dyn_cast<ExternalSymbolSDNode>(Op))
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return DAG.getTargetExternalSymbol(N->getSymbol(), Ty, Flag);
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if (BlockAddressSDNode *N = dyn_cast<BlockAddressSDNode>(Op))
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return DAG.getTargetBlockAddress(N->getBlockAddress(), Ty, 0, Flag);
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if (JumpTableSDNode *N = dyn_cast<JumpTableSDNode>(Op))
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return DAG.getTargetJumpTable(N->getIndex(), Ty, Flag);
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if (ConstantPoolSDNode *N = dyn_cast<ConstantPoolSDNode>(Op))
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return DAG.getTargetConstantPool(N->getConstVal(), Ty, N->getAlignment(),
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N->getOffset(), Flag);
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llvm_unreachable("Unexpected node type.");
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return SDValue();
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}
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template<>
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SDValue getTargetNode<GlobalAddressSDNode>(GlobalAddressSDNode *N, EVT Ty,
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SelectionDAG &DAG, unsigned Flag) {
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return DAG.getTargetGlobalAddress(N->getGlobal(), SDLoc(N), Ty, 0, Flag);
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}
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template<>
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SDValue getTargetNode<ExternalSymbolSDNode>(ExternalSymbolSDNode *N, EVT Ty,
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SelectionDAG &DAG, unsigned Flag) {
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return DAG.getTargetExternalSymbol(N->getSymbol(), Ty, Flag);
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}
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template<>
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SDValue getTargetNode<BlockAddressSDNode>(BlockAddressSDNode *N, EVT Ty,
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SelectionDAG &DAG, unsigned Flag) {
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return DAG.getTargetBlockAddress(N->getBlockAddress(), Ty, 0, Flag);
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}
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template<>
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SDValue getTargetNode<JumpTableSDNode>(JumpTableSDNode *N, EVT Ty,
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SelectionDAG &DAG, unsigned Flag) {
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return DAG.getTargetJumpTable(N->getIndex(), Ty, Flag);
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}
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template<>
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SDValue getTargetNode<ConstantPoolSDNode>(ConstantPoolSDNode *N, EVT Ty,
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SelectionDAG &DAG, unsigned Flag) {
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return DAG.getTargetConstantPool(N->getConstVal(), Ty, N->getAlignment(),
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N->getOffset(), Flag);
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}
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template<class NodeTy>
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static SDValue getAddrNonPIC(NodeTy *N, EVT Ty, SelectionDAG &DAG) {
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SDLoc DL(N);
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SDValue Hi = getTargetNode(N, Ty, DAG, MipsII::MO_ABS_HI);
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SDValue Lo = getTargetNode(N, Ty, DAG, MipsII::MO_ABS_LO);
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static SDValue getAddrNonPIC(SDValue Op, SelectionDAG &DAG) {
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SDLoc DL(Op);
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EVT Ty = Op.getValueType();
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SDValue Hi = getTargetNode(Op, DAG, MipsII::MO_ABS_HI);
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SDValue Lo = getTargetNode(Op, DAG, MipsII::MO_ABS_LO);
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return DAG.getNode(ISD::ADD, DL, Ty,
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DAG.getNode(MipsISD::Hi, DL, Ty, Hi),
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DAG.getNode(MipsISD::Lo, DL, Ty, Lo));
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}
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template<class NodeTy>
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SDValue MipsTargetLowering::getAddrLocal(NodeTy *N, EVT Ty, SelectionDAG &DAG,
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SDValue MipsTargetLowering::getAddrLocal(SDValue Op, SelectionDAG &DAG,
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bool HasMips64) const {
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SDLoc DL(N);
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SDLoc DL(Op);
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EVT Ty = Op.getValueType();
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unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
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SDValue GOT = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
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getTargetNode(N, Ty, DAG, GOTFlag));
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getTargetNode(Op, DAG, GOTFlag));
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SDValue Load = DAG.getLoad(Ty, DL, DAG.getEntryNode(), GOT,
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MachinePointerInfo::getGOT(), false, false, false,
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0);
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unsigned LoFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
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SDValue Lo = DAG.getNode(MipsISD::Lo, DL, Ty,
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getTargetNode(N, Ty, DAG, LoFlag));
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SDValue Lo = DAG.getNode(MipsISD::Lo, DL, Ty, getTargetNode(Op, DAG, LoFlag));
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return DAG.getNode(ISD::ADD, DL, Ty, Load, Lo);
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}
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template<class NodeTy>
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SDValue MipsTargetLowering::getAddrGlobal(NodeTy *N, EVT Ty, SelectionDAG &DAG,
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SDValue MipsTargetLowering::getAddrGlobal(SDValue Op, SelectionDAG &DAG,
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unsigned Flag) const {
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SDLoc DL(N);
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SDLoc DL(Op);
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EVT Ty = Op.getValueType();
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SDValue Tgt = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
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getTargetNode(N, Ty, DAG, Flag));
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getTargetNode(Op, DAG, Flag));
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return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Tgt,
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MachinePointerInfo::getGOT(), false, false, false, 0);
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}
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template<class NodeTy>
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SDValue MipsTargetLowering::getAddrGlobalLargeGOT(NodeTy *N, EVT Ty,
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SelectionDAG &DAG,
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SDValue MipsTargetLowering::getAddrGlobalLargeGOT(SDValue Op, SelectionDAG &DAG,
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unsigned HiFlag,
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unsigned LoFlag) const {
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SDLoc DL(N);
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SDValue Hi = DAG.getNode(MipsISD::Hi, DL, Ty,
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getTargetNode(N, Ty, DAG, HiFlag));
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SDLoc DL(Op);
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EVT Ty = Op.getValueType();
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SDValue Hi = DAG.getNode(MipsISD::Hi, DL, Ty, getTargetNode(Op, DAG, HiFlag));
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Hi = DAG.getNode(ISD::ADD, DL, Ty, Hi, getGlobalReg(DAG, Ty));
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SDValue Wrapper = DAG.getNode(MipsISD::Wrapper, DL, Ty, Hi,
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getTargetNode(N, Ty, DAG, LoFlag));
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getTargetNode(Op, DAG, LoFlag));
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return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Wrapper,
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MachinePointerInfo::getGOT(), false, false, false, 0);
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}
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@ -1499,9 +1478,7 @@ SDValue MipsTargetLowering::lowerGlobalAddress(SDValue Op,
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SelectionDAG &DAG) const {
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// FIXME there isn't actually debug info here
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SDLoc DL(Op);
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EVT Ty = Op.getValueType();
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GlobalAddressSDNode *N = cast<GlobalAddressSDNode>(Op);
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const GlobalValue *GV = N->getGlobal();
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const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
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if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
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const MipsTargetObjectFile &TLOF =
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@ -1518,29 +1495,26 @@ SDValue MipsTargetLowering::lowerGlobalAddress(SDValue Op,
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}
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// %hi/%lo relocation
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return getAddrNonPIC(N, Ty, DAG);
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return getAddrNonPIC(Op, DAG);
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}
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if (GV->hasInternalLinkage() || (GV->hasLocalLinkage() && !isa<Function>(GV)))
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return getAddrLocal(N, Ty, DAG, HasMips64);
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return getAddrLocal(Op, DAG, HasMips64);
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if (LargeGOT)
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return getAddrGlobalLargeGOT(N, Ty, DAG, MipsII::MO_GOT_HI16,
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return getAddrGlobalLargeGOT(Op, DAG, MipsII::MO_GOT_HI16,
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MipsII::MO_GOT_LO16);
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return getAddrGlobal(N, Ty, DAG,
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return getAddrGlobal(Op, DAG,
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HasMips64 ? MipsII::MO_GOT_DISP : MipsII::MO_GOT16);
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}
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SDValue MipsTargetLowering::lowerBlockAddress(SDValue Op,
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SelectionDAG &DAG) const {
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BlockAddressSDNode *N = cast<BlockAddressSDNode>(Op);
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EVT Ty = Op.getValueType();
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if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
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return getAddrNonPIC(N, Ty, DAG);
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return getAddrNonPIC(Op, DAG);
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return getAddrLocal(N, Ty, DAG, HasMips64);
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return getAddrLocal(Op, DAG, HasMips64);
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}
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SDValue MipsTargetLowering::
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@ -1627,13 +1601,10 @@ lowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const
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SDValue MipsTargetLowering::
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lowerJumpTable(SDValue Op, SelectionDAG &DAG) const
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{
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JumpTableSDNode *N = cast<JumpTableSDNode>(Op);
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EVT Ty = Op.getValueType();
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if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
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return getAddrNonPIC(N, Ty, DAG);
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return getAddrNonPIC(Op, DAG);
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return getAddrLocal(N, Ty, DAG, HasMips64);
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return getAddrLocal(Op, DAG, HasMips64);
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}
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SDValue MipsTargetLowering::
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@ -1648,13 +1619,11 @@ lowerConstantPool(SDValue Op, SelectionDAG &DAG) const
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// SDValue GPRelNode = DAG.getNode(MipsISD::GPRel, MVT::i32, CP);
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// SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(MVT::i32);
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// ResNode = DAG.getNode(ISD::ADD, MVT::i32, GOT, GPRelNode);
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ConstantPoolSDNode *N = cast<ConstantPoolSDNode>(Op);
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EVT Ty = Op.getValueType();
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if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
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return getAddrNonPIC(N, Ty, DAG);
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return getAddrNonPIC(Op, DAG);
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return getAddrLocal(N, Ty, DAG, HasMips64);
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return getAddrLocal(Op, DAG, HasMips64);
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}
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SDValue MipsTargetLowering::lowerVASTART(SDValue Op, SelectionDAG &DAG) const {
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@ -2500,19 +2469,18 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
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bool IsPICCall = (IsN64 || IsPIC); // true if calls are translated to jalr $25
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bool GlobalOrExternal = false, InternalLinkage = false;
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SDValue CalleeLo;
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EVT Ty = Callee.getValueType();
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if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
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if (IsPICCall) {
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InternalLinkage = G->getGlobal()->hasInternalLinkage();
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if (InternalLinkage)
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Callee = getAddrLocal(G, Ty, DAG, HasMips64);
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Callee = getAddrLocal(Callee, DAG, HasMips64);
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else if (LargeGOT)
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Callee = getAddrGlobalLargeGOT(G, Ty, DAG, MipsII::MO_CALL_HI16,
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Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
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MipsII::MO_CALL_LO16);
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else
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Callee = getAddrGlobal(G, Ty, DAG, MipsII::MO_GOT_CALL);
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Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
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} else
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Callee = DAG.getTargetGlobalAddress(G->getGlobal(), DL, getPointerTy(), 0,
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MipsII::MO_NO_FLAG);
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@ -2523,10 +2491,10 @@ MipsTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
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Callee = DAG.getTargetExternalSymbol(S->getSymbol(), getPointerTy(),
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MipsII::MO_NO_FLAG);
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else if (LargeGOT)
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Callee = getAddrGlobalLargeGOT(S, Ty, DAG, MipsII::MO_CALL_HI16,
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Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
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MipsII::MO_CALL_LO16);
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else // N64 || PIC
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Callee = getAddrGlobal(S, Ty, DAG, MipsII::MO_GOT_CALL);
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Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
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GlobalOrExternal = true;
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}
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@ -248,16 +248,11 @@ namespace llvm {
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protected:
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SDValue getGlobalReg(SelectionDAG &DAG, EVT Ty) const;
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template<class NodeTy>
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SDValue getAddrLocal(NodeTy *N, EVT Ty, SelectionDAG &DAG,
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bool HasMips64) const;
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SDValue getAddrLocal(SDValue Op, SelectionDAG &DAG, bool HasMips64) const;
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template<class NodeTy>
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SDValue getAddrGlobal(NodeTy *N, EVT Ty, SelectionDAG &DAG,
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unsigned Flag) const;
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SDValue getAddrGlobal(SDValue Op, SelectionDAG &DAG, unsigned Flag) const;
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template<class NodeTy>
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SDValue getAddrGlobalLargeGOT(NodeTy *N, EVT Ty, SelectionDAG &DAG,
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SDValue getAddrGlobalLargeGOT(SDValue Op, SelectionDAG &DAG,
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unsigned HiFlag, unsigned LoFlag) const;
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/// This function fills Ops, which is the list of operands that will later
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