X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparc%2FSparcISelLowering.h;h=fd706bebd415112567572a6342d95642bf093318;hb=9e1808733eeea4f248eeef35ba06ee3f7aa5707d;hp=2ee73c1ac9095bc60fc80251fa6db08dc25ebef8;hpb=0c439eb2c8397996cbccaf2798e598052d9982c8;p=oota-llvm.git diff --git a/lib/Target/Sparc/SparcISelLowering.h b/lib/Target/Sparc/SparcISelLowering.h index 2ee73c1ac90..fd706bebd41 100644 --- a/lib/Target/Sparc/SparcISelLowering.h +++ b/lib/Target/Sparc/SparcISelLowering.h @@ -15,18 +15,22 @@ #ifndef SPARC_ISELLOWERING_H #define SPARC_ISELLOWERING_H -#include "llvm/Target/TargetLowering.h" #include "Sparc.h" +#include "llvm/Target/TargetLowering.h" namespace llvm { + class SparcSubtarget; + namespace SPISD { enum { FIRST_NUMBER = ISD::BUILTIN_OP_END, - CMPICC, // Compare two GPR operands, set icc. + CMPICC, // Compare two GPR operands, set icc+xcc. CMPFCC, // Compare two FP operands, set fcc. BRICC, // Branch to dest on icc condition + BRXCC, // Branch to dest on xcc condition (64-bit only). BRFCC, // Branch to dest on fcc condition SELECT_ICC, // Select between two values using the current ICC flags. + SELECT_XCC, // Select between two values using the current XCC flags. SELECT_FCC, // Select between two values using the current FCC flags. Hi, Lo, // Hi/Lo operations, typically on a global address. @@ -36,45 +40,38 @@ namespace llvm { CALL, // A call instruction. RET_FLAG, // Return with a flag operand. - GLOBAL_BASE_REG // Global base reg for PIC + GLOBAL_BASE_REG, // Global base reg for PIC + FLUSHW // FLUSH register windows to stack }; } class SparcTargetLowering : public TargetLowering { - int VarArgsFrameOffset; // Frame offset to start of varargs area. + const SparcSubtarget *Subtarget; public: SparcTargetLowering(TargetMachine &TM); - virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG); - - int getVarArgsFrameOffset() const { return VarArgsFrameOffset; } + virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; /// computeMaskedBitsForTargetNode - 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, - const APInt &Mask, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth = 0) const; - virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI, - MachineBasicBlock *MBB, - DenseMap *EM) const; + virtual MachineBasicBlock * + EmitInstrWithCustomInserter(MachineInstr *MI, + MachineBasicBlock *MBB) const; virtual const char *getTargetNodeName(unsigned Opcode) const; ConstraintType getConstraintType(const std::string &Constraint) const; std::pair getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const; - std::vector - getRegClassForInlineAsmConstraint(const std::string &Constraint, - EVT VT) const; virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const; - - /// getFunctionAlignment - Return the Log2 alignment of this function. - virtual unsigned getFunctionAlignment(const Function *F) const; + virtual MVT getScalarShiftAmountTy(EVT LHSTy) const { return MVT::i32; } virtual SDValue LowerFormalArguments(SDValue Chain, @@ -82,25 +79,53 @@ namespace llvm { bool isVarArg, const SmallVectorImpl &Ins, DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl &InVals); + SmallVectorImpl &InVals) const; + SDValue LowerFormalArguments_32(SDValue Chain, + CallingConv::ID CallConv, + bool isVarArg, + const SmallVectorImpl &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl &InVals) const; + SDValue LowerFormalArguments_64(SDValue Chain, + CallingConv::ID CallConv, + bool isVarArg, + const SmallVectorImpl &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl &InVals) const; virtual SDValue - LowerCall(SDValue Chain, SDValue Callee, - CallingConv::ID CallConv, bool isVarArg, - bool &isTailCall, - const SmallVectorImpl &Outs, - const SmallVectorImpl &Ins, - DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl &InVals); + LowerCall(TargetLowering::CallLoweringInfo &CLI, + SmallVectorImpl &InVals) const; + SDValue LowerCall_32(TargetLowering::CallLoweringInfo &CLI, + SmallVectorImpl &InVals) const; + SDValue LowerCall_64(TargetLowering::CallLoweringInfo &CLI, + SmallVectorImpl &InVals) const; virtual SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, const SmallVectorImpl &Outs, - DebugLoc dl, SelectionDAG &DAG); - - SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG); - SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG); + const SmallVectorImpl &OutVals, + DebugLoc dl, SelectionDAG &DAG) const; + SDValue LowerReturn_32(SDValue Chain, + CallingConv::ID CallConv, bool IsVarArg, + const SmallVectorImpl &Outs, + const SmallVectorImpl &OutVals, + DebugLoc DL, SelectionDAG &DAG) const; + SDValue LowerReturn_64(SDValue Chain, + CallingConv::ID CallConv, bool IsVarArg, + const SmallVectorImpl &Outs, + const SmallVectorImpl &OutVals, + DebugLoc DL, SelectionDAG &DAG) const; + + SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const; + + unsigned getSRetArgSize(SelectionDAG &DAG, SDValue Callee) const; + SDValue withTargetFlags(SDValue Op, unsigned TF, SelectionDAG &DAG) const; + SDValue makeHiLoPair(SDValue Op, unsigned HiTF, unsigned LoTF, + SelectionDAG &DAG) const; + SDValue makeAddress(SDValue Op, SelectionDAG &DAG) const; }; } // end namespace llvm