//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Bruno Cardoso Lopes and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
namespace MipsISD {
enum NodeType {
// Start the numbering from where ISD NodeType finishes.
- FIRST_NUMBER = ISD::BUILTIN_OP_END+Mips::INSTRUCTION_LIST_END,
+ FIRST_NUMBER = ISD::BUILTIN_OP_END,
// Jump and link (call)
JmpLink,
// No relation with Mips Lo register
Lo,
+ // Handle gp_rel (small data/bss sections) relocation.
+ GPRel,
+
+ // Conditional Move
+ CMov,
+
+ // Select CC Pseudo Instruction
+ SelectCC,
+
+ // Floating Point Select CC Pseudo Instruction
+ FPSelectCC,
+
+ // Floating Point Branch Conditional
+ FPBrcond,
+
+ // Floating Point Compare
+ FPCmp,
+
+ // Floating Point Rounding
+ FPRound,
+
// Return
Ret
};
//===--------------------------------------------------------------------===//
// TargetLowering Implementation
//===--------------------------------------------------------------------===//
- class MipsTargetLowering : public TargetLowering
- {
- // FrameIndex for return slot.
- int ReturnAddrIndex;
-
- // const MipsSubtarget &MipsSubTarget;
+
+ class MipsTargetLowering : public TargetLowering {
public:
-
- MipsTargetLowering(MipsTargetMachine &TM);
+ explicit MipsTargetLowering(MipsTargetMachine &TM);
/// LowerOperation - Provide custom lowering hooks for some operations.
- virtual SDOperand LowerOperation(SDOperand Op, SelectionDAG &DAG);
+ virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
/// getTargetNodeName - This method returns the name of a target specific
// DAG node.
virtual const char *getTargetNodeName(unsigned Opcode) const;
+ /// getSetCCResultType - get the ISD::SETCC result ValueType
+ MVT::SimpleValueType getSetCCResultType(EVT VT) const;
+
+ /// getFunctionAlignment - Return the Log2 alignment of this function.
+ virtual unsigned getFunctionAlignment(const Function *F) const;
private:
+ // Subtarget Info
+ const MipsSubtarget *Subtarget;
+
+
// Lower Operand helpers
- SDOperand LowerCCCArguments(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG, unsigned CC);
- SDNode *LowerCallResult(SDOperand Chain, SDOperand InFlag, SDNode*TheCall,
- unsigned CallingConv, SelectionDAG &DAG);
- SDOperand getReturnAddressFrameIndex(SelectionDAG &DAG);
+ SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
// Lower Operand specifics
- SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerGlobalAddress(SDOperand Op, SelectionDAG &DAG);
- SDOperand LowerRETURNADDR(SDOperand Op, SelectionDAG &DAG);
-
+ SDValue LowerANDOR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
+
+ virtual SDValue
+ LowerFormalArguments(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
+
+ virtual SDValue
+ LowerCall(SDValue Chain, SDValue Callee,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool &isTailCall,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ DebugLoc dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const;
+
+ virtual SDValue
+ LowerReturn(SDValue Chain,
+ CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
+ DebugLoc dl, SelectionDAG &DAG) const;
+
+ virtual MachineBasicBlock *
+ EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
+ // Inline asm support
+ ConstraintType getConstraintType(const std::string &Constraint) const;
+
+ /// Examine constraint string and operand type and determine a weight value.
+ /// The operand object must already have been set up with the operand type.
+ ConstraintWeight getSingleConstraintMatchWeight(
+ AsmOperandInfo &info, const char *constraint) const;
+
+ std::pair<unsigned, const TargetRegisterClass*>
+ getRegForInlineAsmConstraint(const std::string &Constraint,
+ EVT VT) const;
+
+ std::vector<unsigned>
+ getRegClassForInlineAsmConstraint(const std::string &Constraint,
+ EVT VT) const;
+
+ virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
+
+ /// isFPImmLegal - Returns true if the target can instruction select the
+ /// specified FP immediate natively. If false, the legalizer will
+ /// materialize the FP immediate as a load from a constant pool.
+ virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
};
}