//
//===----------------------------------------------------------------------===//
-#ifndef SPARC_ISELLOWERING_H
-#define SPARC_ISELLOWERING_H
+#ifndef LLVM_LIB_TARGET_SPARC_SPARCISELLOWERING_H
+#define LLVM_LIB_TARGET_SPARC_SPARCISELLOWERING_H
#include "Sparc.h"
#include "llvm/Target/TargetLowering.h"
class SparcSubtarget;
namespace SPISD {
- enum {
+ enum NodeType : unsigned {
FIRST_NUMBER = ISD::BUILTIN_OP_END,
CMPICC, // Compare two GPR operands, set icc+xcc.
CMPFCC, // Compare two FP operands, set fcc.
FTOI, // FP to Int within a FP register.
ITOF, // Int to FP within a FP register.
+ FTOX, // FP to Int64 within a FP register.
+ XTOF, // Int64 to FP within a FP register.
CALL, // A call instruction.
RET_FLAG, // Return with a flag operand.
- GLOBAL_BASE_REG, // Global base reg for PIC
- FLUSHW // FLUSH register windows to stack
+ GLOBAL_BASE_REG, // Global base reg for PIC.
+ FLUSHW, // FLUSH register windows to stack.
+
+ TLS_ADD, // For Thread Local Storage (TLS).
+ TLS_LD,
+ TLS_CALL
};
}
class SparcTargetLowering : public TargetLowering {
const SparcSubtarget *Subtarget;
public:
- SparcTargetLowering(TargetMachine &TM);
- virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
+ SparcTargetLowering(TargetMachine &TM, const SparcSubtarget &STI);
+ SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
- /// computeMaskedBitsForTargetNode - Determine which of the bits specified
+ /// computeKnownBitsForTargetNode - Determine which of the bits specified
/// in Mask are known to be either zero or one and return them in the
/// KnownZero/KnownOne bitsets.
- virtual void computeMaskedBitsForTargetNode(const SDValue Op,
- APInt &KnownZero,
- APInt &KnownOne,
- const SelectionDAG &DAG,
- unsigned Depth = 0) const;
+ void computeKnownBitsForTargetNode(const SDValue Op,
+ APInt &KnownZero,
+ APInt &KnownOne,
+ const SelectionDAG &DAG,
+ unsigned Depth = 0) const override;
- virtual MachineBasicBlock *
+ MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *MBB) const;
-
- virtual const char *getTargetNodeName(unsigned Opcode) const;
-
- ConstraintType getConstraintType(const std::string &Constraint) const;
- std::pair<unsigned, const TargetRegisterClass*>
- getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const;
-
- virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
- virtual MVT getScalarShiftAmountTy(EVT LHSTy) const { return MVT::i32; }
-
- virtual SDValue
+ MachineBasicBlock *MBB) const override;
+
+ const char *getTargetNodeName(unsigned Opcode) const override;
+
+ ConstraintType getConstraintType(StringRef Constraint) const override;
+ ConstraintWeight
+ getSingleConstraintMatchWeight(AsmOperandInfo &info,
+ const char *constraint) const override;
+ void LowerAsmOperandForConstraint(SDValue Op,
+ std::string &Constraint,
+ std::vector<SDValue> &Ops,
+ SelectionDAG &DAG) const override;
+ std::pair<unsigned, const TargetRegisterClass *>
+ getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
+ StringRef Constraint, MVT VT) const override;
+
+ bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const override;
+ MVT getScalarShiftAmountTy(const DataLayout &, EVT) const override {
+ return MVT::i32;
+ }
+
+ /// If a physical register, this returns the register that receives the
+ /// exception address on entry to an EH pad.
+ unsigned
+ getExceptionPointerRegister(const Constant *PersonalityFn) const override {
+ return SP::I0;
+ }
+
+ /// If a physical register, this returns the register that receives the
+ /// exception typeid on entry to a landing pad.
+ unsigned
+ getExceptionSelectorRegister(const Constant *PersonalityFn) const override {
+ return SP::I1;
+ }
+
+ /// getSetCCResultType - Return the ISD::SETCC ValueType
+ EVT getSetCCResultType(const DataLayout &DL, LLVMContext &Context,
+ EVT VT) const override;
+
+ SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
SDLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) const;
+ SmallVectorImpl<SDValue> &InVals) const override;
SDValue LowerFormalArguments_32(SDValue Chain,
CallingConv::ID CallConv,
bool isVarArg,
SDLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
- virtual SDValue
+ SDValue
LowerCall(TargetLowering::CallLoweringInfo &CLI,
- SmallVectorImpl<SDValue> &InVals) const;
+ SmallVectorImpl<SDValue> &InVals) const override;
SDValue LowerCall_32(TargetLowering::CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const;
SDValue LowerCall_64(TargetLowering::CallLoweringInfo &CLI,
SmallVectorImpl<SDValue> &InVals) const;
- virtual SDValue
+ SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
- SDLoc dl, SelectionDAG &DAG) const;
+ SDLoc dl, SelectionDAG &DAG) const override;
SDValue LowerReturn_32(SDValue Chain,
CallingConv::ID CallConv, bool IsVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
SDLoc DL, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue makeHiLoPair(SDValue Op, unsigned HiTF, unsigned LoTF,
SelectionDAG &DAG) const;
SDValue makeAddress(SDValue Op, SelectionDAG &DAG) const;
+
+ SDValue LowerF128_LibCallArg(SDValue Chain, ArgListTy &Args,
+ SDValue Arg, SDLoc DL,
+ SelectionDAG &DAG) const;
+ SDValue LowerF128Op(SDValue Op, SelectionDAG &DAG,
+ const char *LibFuncName,
+ unsigned numArgs) const;
+ SDValue LowerF128Compare(SDValue LHS, SDValue RHS,
+ unsigned &SPCC,
+ SDLoc DL,
+ SelectionDAG &DAG) const;
+
+ bool ShouldShrinkFPConstant(EVT VT) const override {
+ // Do not shrink FP constpool if VT == MVT::f128.
+ // (ldd, call _Q_fdtoq) is more expensive than two ldds.
+ return VT != MVT::f128;
+ }
+
+ void ReplaceNodeResults(SDNode *N,
+ SmallVectorImpl<SDValue>& Results,
+ SelectionDAG &DAG) const override;
+
+ MachineBasicBlock *expandSelectCC(MachineInstr *MI, MachineBasicBlock *BB,
+ unsigned BROpcode) const;
+ MachineBasicBlock *expandAtomicRMW(MachineInstr *MI,
+ MachineBasicBlock *BB,
+ unsigned Opcode,
+ unsigned CondCode = 0) const;
};
} // end namespace llvm
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