// TLSADDR - Thread Local Storage.
TLSADDR,
+
+ // TLSCALL - Thread Local Storage. When calling to an OS provided
+ // thunk at the address from an earlier relocation.
+ TLSCALL,
// SegmentBaseAddress - The address segment:0
SegmentBaseAddress,
//===--------------------------------------------------------------------===//
// X86TargetLowering - X86 Implementation of the TargetLowering interface
class X86TargetLowering : public TargetLowering {
- int VarArgsFrameIndex; // FrameIndex for start of varargs area.
- int RegSaveFrameIndex; // X86-64 vararg func register save area.
- unsigned VarArgsGPOffset; // X86-64 vararg func int reg offset.
- unsigned VarArgsFPOffset; // X86-64 vararg func fp reg offset.
- int BytesToPopOnReturn; // Number of arg bytes ret should pop.
-
public:
explicit X86TargetLowering(X86TargetMachine &TM);
getPICJumpTableRelocBaseExpr(const MachineFunction *MF,
unsigned JTI, MCContext &Ctx) const;
- // Return the number of bytes that a function should pop when it returns (in
- // addition to the space used by the return address).
- //
- unsigned getBytesToPopOnReturn() const { return BytesToPopOnReturn; }
-
/// getStackPtrReg - Return the stack pointer register we are using: either
/// ESP or RSP.
unsigned getStackPtrReg() const { return X86StackPtr; }
/// probably because the source does not need to be loaded. If
/// 'NonScalarIntSafe' is true, that means it's safe to return a
/// non-scalar-integer type, e.g. empty string source, constant, or loaded
- /// from memory. It returns EVT::Other if SelectionDAG should be responsible
- /// for determining it.
+ /// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is
+ /// constant so it does not need to be loaded.
+ /// It returns EVT::Other if the type should be determined using generic
+ /// target-independent logic.
virtual EVT
- getOptimalMemOpType(uint64_t Size,
- unsigned DstAlign, unsigned SrcAlign,
- bool NonScalarIntSafe, SelectionDAG &DAG) const;
+ getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
+ bool NonScalarIntSafe, bool MemcpyStrSrc,
+ MachineFunction &MF) const;
/// allowsUnalignedMemoryAccesses - Returns true if the target allows
/// unaligned memory accesses. of the specified type.
/// LowerOperation - Provide custom lowering hooks for some operations.
///
- virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+ virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
/// ReplaceNodeResults - Replace the results of node with an illegal result
/// type with new values built out of custom code.
///
virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG);
+ SelectionDAG &DAG) const;
virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
- virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *MBB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+ /// isTypeDesirableForOp - Return true if the target has native support for
+ /// the specified value type and it is 'desirable' to use the type for the
+ /// given node type. e.g. On x86 i16 is legal, but undesirable since i16
+ /// instruction encodings are longer and some i16 instructions are slow.
+ virtual bool isTypeDesirableForOp(unsigned Opc, EVT VT) const;
+
+ /// isTypeDesirable - Return true if the target has native support for the
+ /// specified value type and it is 'desirable' to use the type. e.g. On x86
+ /// i16 is legal, but undesirable since i16 instruction encodings are longer
+ /// and some i16 instructions are slow.
+ virtual bool IsDesirableToPromoteOp(SDValue Op, EVT &PVT) const;
+
+ virtual MachineBasicBlock *
+ EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
/// getTargetNodeName - This method returns the name of a target specific
unsigned Depth = 0) const;
virtual bool
- isGAPlusOffset(SDNode *N, GlobalValue* &GA, int64_t &Offset) const;
+ isGAPlusOffset(SDNode *N, const GlobalValue* &GA, int64_t &Offset) const;
- SDValue getReturnAddressFrameIndex(SelectionDAG &DAG);
+ SDValue getReturnAddressFrameIndex(SelectionDAG &DAG) const;
virtual bool ExpandInlineAsm(CallInst *CI) const;
/// being processed is 'm'.
virtual void LowerAsmOperandForConstraint(SDValue Op,
char ConstraintLetter,
- bool hasMemory,
std::vector<SDValue> &Ops,
SelectionDAG &DAG) const;
return !X86ScalarSSEf64 || VT == MVT::f80;
}
- virtual const X86Subtarget* getSubtarget() {
+ const X86Subtarget* getSubtarget() const {
return Subtarget;
}
/// createFastISel - This method returns a target specific FastISel object,
/// or null if the target does not support "fast" ISel.
- virtual FastISel *
- createFastISel(MachineFunction &mf, MachineModuleInfo *mmi,
- DenseMap<const Value *, unsigned> &,
- DenseMap<const BasicBlock *, MachineBasicBlock *> &,
- DenseMap<const AllocaInst *, int> &
-#ifndef NDEBUG
- , SmallSet<Instruction*, 8> &
-#endif
- );
+ virtual FastISel *createFastISel(FunctionLoweringInfo &funcInfo) const;
/// getFunctionAlignment - Return the Log2 alignment of this function.
virtual unsigned getFunctionAlignment(const Function *F) const;
+ /// getStackCookieLocation - Return true if the target stores stack
+ /// protector cookies at a fixed offset in some non-standard address
+ /// space, and populates the address space and offset as
+ /// appropriate.
+ virtual bool getStackCookieLocation(unsigned &AddressSpace, unsigned &Offset) const;
+
private:
/// Subtarget - Keep a pointer to the X86Subtarget around so that we can
/// make the right decision when generating code for different targets.
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals);
+ SmallVectorImpl<SDValue> &InVals) const;
SDValue LowerMemArgument(SDValue Chain,
CallingConv::ID CallConv,
const SmallVectorImpl<ISD::InputArg> &ArgInfo,
DebugLoc dl, SelectionDAG &DAG,
const CCValAssign &VA, MachineFrameInfo *MFI,
- unsigned i);
+ unsigned i) const;
SDValue LowerMemOpCallTo(SDValue Chain, SDValue StackPtr, SDValue Arg,
DebugLoc dl, SelectionDAG &DAG,
const CCValAssign &VA,
- ISD::ArgFlagsTy Flags);
+ ISD::ArgFlagsTy Flags) const;
// Call lowering helpers.
bool isCalleeStructRet,
bool isCallerStructRet,
const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
SelectionDAG& DAG) const;
- bool IsCalleePop(bool isVarArg, CallingConv::ID CallConv);
+ bool IsCalleePop(bool isVarArg, CallingConv::ID CallConv) const;
SDValue EmitTailCallLoadRetAddr(SelectionDAG &DAG, SDValue &OutRetAddr,
SDValue Chain, bool IsTailCall, bool Is64Bit,
- int FPDiff, DebugLoc dl);
+ int FPDiff, DebugLoc dl) const;
CCAssignFn *CCAssignFnForNode(CallingConv::ID CallConv) const;
- unsigned GetAlignedArgumentStackSize(unsigned StackSize, SelectionDAG &DAG);
+ unsigned GetAlignedArgumentStackSize(unsigned StackSize,
+ SelectionDAG &DAG) const;
std::pair<SDValue,SDValue> FP_TO_INTHelper(SDValue Op, SelectionDAG &DAG,
- bool isSigned);
+ bool isSigned) const;
SDValue LowerAsSplatVectorLoad(SDValue SrcOp, EVT VT, DebugLoc dl,
- SelectionDAG &DAG);
- SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG);
- SDValue LowerCONCAT_VECTORS(SDValue Op, SelectionDAG &DAG);
- SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG);
- SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG);
- SDValue LowerEXTRACT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG);
- SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG);
- SDValue LowerINSERT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG);
- SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG);
- SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
- SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG);
+ SelectionDAG &DAG) const;
+ SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerCONCAT_VECTORS(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerEXTRACT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerINSERT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(const GlobalValue *GV, DebugLoc dl,
int64_t Offset, SelectionDAG &DAG) const;
- SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
- SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG);
- SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG);
- SDValue LowerShift(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerShift(SDValue Op, SelectionDAG &DAG) const;
SDValue BuildFILD(SDValue Op, EVT SrcVT, SDValue Chain, SDValue StackSlot,
- SelectionDAG &DAG);
- SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG);
- SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG);
- SDValue LowerUINT_TO_FP_i64(SDValue Op, SelectionDAG &DAG);
- SDValue LowerUINT_TO_FP_i32(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFP_TO_UINT(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFABS(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFNEG(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG);
- SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG);
- SDValue LowerVSETCC(SDValue Op, SelectionDAG &DAG);
- SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG);
- SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG);
- SDValue LowerMEMSET(SDValue Op, SelectionDAG &DAG);
- SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
- SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG);
- SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG);
- SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG);
- SDValue LowerVACOPY(SDValue Op, SelectionDAG &DAG);
- SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG);
- SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFRAME_TO_ARGS_OFFSET(SDValue Op, SelectionDAG &DAG);
- SDValue LowerEH_RETURN(SDValue Op, SelectionDAG &DAG);
- SDValue LowerTRAMPOLINE(SDValue Op, SelectionDAG &DAG);
- SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG);
- SDValue LowerCTLZ(SDValue Op, SelectionDAG &DAG);
- SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG);
- SDValue LowerMUL_V2I64(SDValue Op, SelectionDAG &DAG);
- SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG);
-
- SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG);
- SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG);
- SDValue LowerREADCYCLECOUNTER(SDValue Op, SelectionDAG &DAG);
+ SelectionDAG &DAG) const;
+ SDValue LowerBIT_CONVERT(SDValue op, SelectionDAG &DAG) const;
+ SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerUINT_TO_FP_i64(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerUINT_TO_FP_i32(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFP_TO_UINT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFABS(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFNEG(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerToBT(SDValue And, ISD::CondCode CC,
+ DebugLoc dl, SelectionDAG &DAG) const;
+ SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVSETCC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerMEMSET(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerVACOPY(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFRAME_TO_ARGS_OFFSET(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerEH_RETURN(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerTRAMPOLINE(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerCTLZ(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerMUL_V2I64(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerXALUO(SDValue Op, SelectionDAG &DAG) const;
+
+ SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerREADCYCLECOUNTER(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);
+ 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);
+ SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG);
+ const SmallVectorImpl<SDValue> &OutVals,
+ DebugLoc dl, SelectionDAG &DAG) const;
virtual bool
CanLowerReturn(CallingConv::ID CallConv, bool isVarArg,
- const SmallVectorImpl<EVT> &OutTys,
- const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags,
- SelectionDAG &DAG);
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ LLVMContext &Context) const;
void ReplaceATOMIC_BINARY_64(SDNode *N, SmallVectorImpl<SDValue> &Results,
- SelectionDAG &DAG, unsigned NewOp);
-
- SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
- SDValue Chain,
- SDValue Dst, SDValue Src,
- SDValue Size, unsigned Align,
- bool isVolatile,
- const Value *DstSV, uint64_t DstSVOff);
- SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
- SDValue Chain,
- SDValue Dst, SDValue Src,
- SDValue Size, unsigned Align,
- bool isVolatile, bool AlwaysInline,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff);
-
+ SelectionDAG &DAG, unsigned NewOp) const;
+
/// Utility function to emit string processing sse4.2 instructions
/// that return in xmm0.
/// This takes the instruction to expand, the associated machine basic
MachineBasicBlock *BB) const;
MachineBasicBlock *EmitLoweredSelect(MachineInstr *I,
- MachineBasicBlock *BB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+ MachineBasicBlock *BB) const;
MachineBasicBlock *EmitLoweredMingwAlloca(MachineInstr *MI,
- MachineBasicBlock *BB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const;
+ MachineBasicBlock *BB) const;
+
+ MachineBasicBlock *EmitLoweredTLSCall(MachineInstr *MI,
+ MachineBasicBlock *BB) const;
/// Emit nodes that will be selected as "test Op0,Op0", or something
/// equivalent, for use with the given x86 condition code.
- SDValue EmitTest(SDValue Op0, unsigned X86CC, SelectionDAG &DAG);
+ SDValue EmitTest(SDValue Op0, unsigned X86CC, SelectionDAG &DAG) const;
/// Emit nodes that will be selected as "cmp Op0,Op1", or something
/// equivalent, for use with the given x86 condition code.
SDValue EmitCmp(SDValue Op0, SDValue Op1, unsigned X86CC,
- SelectionDAG &DAG);
+ SelectionDAG &DAG) const;
};
namespace X86 {
- FastISel *createFastISel(MachineFunction &mf,
- MachineModuleInfo *mmi,
- DenseMap<const Value *, unsigned> &,
- DenseMap<const BasicBlock *, MachineBasicBlock *> &,
- DenseMap<const AllocaInst *, int> &
-#ifndef NDEBUG
- , SmallSet<Instruction*, 8> &
-#endif
- );
+ FastISel *createFastISel(FunctionLoweringInfo &funcInfo);
}
}
projects / oota-llvm.git / blobdiff