#ifndef ARMISELLOWERING_H
#define ARMISELLOWERING_H
+#include "ARM.h"
#include "ARMSubtarget.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetRegisterInfo.h"
Wrapper, // Wrapper - A wrapper node for TargetConstantPool,
// TargetExternalSymbol, and TargetGlobalAddress.
+ WrapperDYN, // WrapperDYN - A wrapper node for TargetGlobalAddress in
+ // DYN mode.
+ WrapperPIC, // WrapperPIC - A wrapper node for TargetGlobalAddress in
+ // PIC mode.
WrapperJT, // WrapperJT - A wrapper node for TargetJumpTable
CALL, // Function call.
CMPFP, // ARM VFP compare instruction, sets FPSCR.
CMPFPw0, // ARM VFP compare against zero instruction, sets FPSCR.
FMSTAT, // ARM fmstat instruction.
+
CMOV, // ARM conditional move instructions.
- CNEG, // ARM conditional negate instructions.
+ CAND, // ARM conditional and instructions.
+ COR, // ARM conditional or instructions.
+ CXOR, // ARM conditional xor instructions.
BCC_i64,
SRA_FLAG, // V,Flag = sra_flag X -> sra X, 1 + save carry out.
RRX, // V = RRX X, Flag -> srl X, 1 + shift in carry flag.
+ ADDC, // Add with carry
+ ADDE, // Add using carry
+ SUBC, // Sub with carry
+ SUBE, // Sub using carry
+
VMOVRRD, // double to two gprs.
VMOVDRR, // Two gprs to double.
- EH_SJLJ_SETJMP, // SjLj exception handling setjmp.
- EH_SJLJ_LONGJMP, // SjLj exception handling longjmp.
+ EH_SJLJ_SETJMP, // SjLj exception handling setjmp.
+ EH_SJLJ_LONGJMP, // SjLj exception handling longjmp.
TC_RETURN, // Tail call return pseudo.
DYN_ALLOC, // Dynamic allocation on the stack.
- MEMBARRIER, // Memory barrier
- SYNCBARRIER, // Memory sync barrier
+ MEMBARRIER, // Memory barrier (DMB)
+ MEMBARRIER_MCR, // Memory barrier (MCR)
+
+ PRELOAD, // Preload
VCEQ, // Vector compare equal.
+ VCEQZ, // Vector compare equal to zero.
VCGE, // Vector compare greater than or equal.
+ VCGEZ, // Vector compare greater than or equal to zero.
+ VCLEZ, // Vector compare less than or equal to zero.
VCGEU, // Vector compare unsigned greater than or equal.
VCGT, // Vector compare greater than.
+ VCGTZ, // Vector compare greater than zero.
+ VCLTZ, // Vector compare less than zero.
VCGTU, // Vector compare unsigned greater than.
VTST, // Vector test bits.
VMOVIMM,
VMVNIMM,
+ // Vector move f32 immediate:
+ VMOVFPIMM,
+
// Vector duplicate:
VDUP,
VDUPLANE,
VZIP, // zip (interleave)
VUZP, // unzip (deinterleave)
VTRN, // transpose
+ VTBL1, // 1-register shuffle with mask
+ VTBL2, // 2-register shuffle with mask
+
+ // Vector multiply long:
+ VMULLs, // ...signed
+ VMULLu, // ...unsigned
// Operands of the standard BUILD_VECTOR node are not legalized, which
// is fine if BUILD_VECTORs are always lowered to shuffles or other
FMIN,
// Bit-field insert
- BFI
+ BFI,
+
+ // Vector OR with immediate
+ VORRIMM,
+ // Vector AND with NOT of immediate
+ VBICIMM,
+
+ // Vector bitwise select
+ VBSL,
+
+ // Vector load N-element structure to all lanes:
+ VLD2DUP = ISD::FIRST_TARGET_MEMORY_OPCODE,
+ VLD3DUP,
+ VLD4DUP,
+
+ // NEON loads with post-increment base updates:
+ VLD1_UPD,
+ VLD2_UPD,
+ VLD3_UPD,
+ VLD4_UPD,
+ VLD2LN_UPD,
+ VLD3LN_UPD,
+ VLD4LN_UPD,
+ VLD2DUP_UPD,
+ VLD3DUP_UPD,
+ VLD4DUP_UPD,
+
+ // NEON stores with post-increment base updates:
+ VST1_UPD,
+ VST2_UPD,
+ VST3_UPD,
+ VST4_UPD,
+ VST2LN_UPD,
+ VST3LN_UPD,
+ VST4LN_UPD,
+
+ // 64-bit atomic ops (value split into two registers)
+ ATOMADD64_DAG,
+ ATOMSUB64_DAG,
+ ATOMOR64_DAG,
+ ATOMXOR64_DAG,
+ ATOMAND64_DAG,
+ ATOMNAND64_DAG,
+ ATOMSWAP64_DAG,
+ ATOMCMPXCHG64_DAG
};
}
/// Define some predicates that are used for node matching.
namespace ARM {
- /// getVFPf32Imm / getVFPf64Imm - If the given fp immediate can be
- /// materialized with a VMOV.f32 / VMOV.f64 (i.e. fconsts / fconstd)
- /// instruction, returns its 8-bit integer representation. Otherwise,
- /// returns -1.
- int getVFPf32Imm(const APFloat &FPImm);
- int getVFPf64Imm(const APFloat &FPImm);
bool isBitFieldInvertedMask(unsigned v);
}
virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results,
SelectionDAG &DAG) const;
- virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
-
virtual const char *getTargetNodeName(unsigned Opcode) const;
+ /// getSetCCResultType - Return the value type to use for ISD::SETCC.
+ virtual EVT getSetCCResultType(EVT VT) const;
+
virtual MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *MBB) const;
+ virtual void
+ AdjustInstrPostInstrSelection(MachineInstr *MI, SDNode *Node) const;
+
+ SDValue PerformCMOVCombine(SDNode *N, SelectionDAG &DAG) const;
+ virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
+
+ bool isDesirableToTransformToIntegerOp(unsigned Opc, EVT VT) const;
+
/// allowsUnalignedMemoryAccesses - Returns true if the target allows
/// unaligned memory accesses. of the specified type.
- /// FIXME: Add getOptimalMemOpType to implement memcpy with NEON?
virtual bool allowsUnalignedMemoryAccesses(EVT VT) const;
+ virtual EVT getOptimalMemOpType(uint64_t Size,
+ unsigned DstAlign, unsigned SrcAlign,
+ bool IsZeroVal,
+ bool MemcpyStrSrc,
+ MachineFunction &MF) const;
+
/// isLegalAddressingMode - Return true if the addressing mode represented
/// by AM is legal for this target, for a load/store of the specified type.
- virtual bool isLegalAddressingMode(const AddrMode &AM, const Type *Ty)const;
+ virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty)const;
bool isLegalT2ScaledAddressingMode(const AddrMode &AM, EVT VT) const;
/// isLegalICmpImmediate - Return true if the specified immediate is legal
/// the immediate into a register.
virtual bool isLegalICmpImmediate(int64_t Imm) const;
+ /// isLegalAddImmediate - Return true if the specified immediate is legal
+ /// add immediate, that is the target has add instructions which can
+ /// add a register and the immediate without having to materialize
+ /// the immediate into a register.
+ virtual bool isLegalAddImmediate(int64_t Imm) const;
+
/// getPreIndexedAddressParts - returns true by value, base pointer and
/// offset pointer and addressing mode by reference if the node's address
/// can be legally represented as pre-indexed load / store address.
SelectionDAG &DAG) const;
virtual void computeMaskedBitsForTargetNode(const SDValue Op,
- const APInt &Mask,
APInt &KnownZero,
APInt &KnownOne,
const SelectionDAG &DAG,
unsigned Depth) const;
+ virtual bool ExpandInlineAsm(CallInst *CI) const;
+
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;
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
/// vector. If it is invalid, don't add anything to Ops. If hasMemory is
/// true it means one of the asm constraint of the inline asm instruction
/// being processed is 'm'.
virtual void LowerAsmOperandForConstraint(SDValue Op,
- char ConstraintLetter,
+ std::string &Constraint,
std::vector<SDValue> &Ops,
SelectionDAG &DAG) const;
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
- virtual TargetRegisterClass *getRegClassFor(EVT VT) const;
-
- /// getFunctionAlignment - Return the Log2 alignment of this function.
- virtual unsigned getFunctionAlignment(const Function *F) const;
+ virtual const TargetRegisterClass *getRegClassFor(EVT VT) const;
/// getMaximalGlobalOffset - Returns the maximal possible offset which can
/// be used for loads / stores from the global.
Sched::Preference getSchedulingPreference(SDNode *N) const;
- unsigned getRegPressureLimit(const TargetRegisterClass *RC,
- MachineFunction &MF) const;
-
bool isShuffleMaskLegal(const SmallVectorImpl<int> &M, EVT VT) const;
bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
+ virtual bool getTgtMemIntrinsic(IntrinsicInfo &Info,
+ const CallInst &I,
+ unsigned Intrinsic) const;
protected:
std::pair<const TargetRegisterClass*, uint8_t>
findRepresentativeClass(EVT VT) const;
const TargetRegisterInfo *RegInfo;
+ const InstrItineraryData *Itins;
+
/// ARMPCLabelIndex - Keep track of the number of ARM PC labels created.
///
unsigned ARMPCLabelIndex;
SelectionDAG &DAG) const;
SDValue LowerGLOBAL_OFFSET_TABLE(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBR_JT(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerShiftRightParts(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerShiftLeftParts(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFLT_ROUNDS_(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerConstantFP(SDValue Op, SelectionDAG &DAG,
+ const ARMSubtarget *ST) const;
+ SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
+ const ARMSubtarget *ST) const;
+
+ SDValue ReconstructShuffle(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
CallingConv::ID CallConv, bool isVarArg,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
+ void VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG,
+ DebugLoc dl, SDValue &Chain, unsigned ArgOffset)
+ const;
+
+ void computeRegArea(CCState &CCInfo, MachineFunction &MF,
+ unsigned &VARegSize, unsigned &VARegSaveSize) const;
+
virtual SDValue
LowerCall(SDValue Chain, SDValue Callee,
CallingConv::ID CallConv, bool isVarArg,
- bool &isTailCall,
+ bool doesNotRet, bool &isTailCall,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
+ /// HandleByVal - Target-specific cleanup for ByVal support.
+ virtual void HandleByVal(CCState *, unsigned &) const;
+
/// IsEligibleForTailCallOptimization - Check whether the call is eligible
/// for tail call optimization. Targets which want to do tail call
/// optimization should implement this function.
const SmallVectorImpl<SDValue> &OutVals,
DebugLoc dl, SelectionDAG &DAG) const;
+ virtual bool isUsedByReturnOnly(SDNode *N) const;
+
+ virtual bool mayBeEmittedAsTailCall(CallInst *CI) const;
+
SDValue getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
SDValue &ARMcc, SelectionDAG &DAG, DebugLoc dl) const;
SDValue getVFPCmp(SDValue LHS, SDValue RHS,
SelectionDAG &DAG, DebugLoc dl) const;
+ SDValue duplicateCmp(SDValue Cmp, SelectionDAG &DAG) const;
SDValue OptimizeVFPBrcond(SDValue Op, SelectionDAG &DAG) const;
MachineBasicBlock *BB,
unsigned Size,
unsigned BinOpcode) const;
+ MachineBasicBlock *EmitAtomicBinary64(MachineInstr *MI,
+ MachineBasicBlock *BB,
+ unsigned Op1,
+ unsigned Op2,
+ bool NeedsCarry = false,
+ bool IsCmpxchg = false) const;
+ MachineBasicBlock * EmitAtomicBinaryMinMax(MachineInstr *MI,
+ MachineBasicBlock *BB,
+ unsigned Size,
+ bool signExtend,
+ ARMCC::CondCodes Cond) const;
+
+ void SetupEntryBlockForSjLj(MachineInstr *MI,
+ MachineBasicBlock *MBB,
+ MachineBasicBlock *DispatchBB, int FI) const;
+
+ MachineBasicBlock *EmitSjLjDispatchBlock(MachineInstr *MI,
+ MachineBasicBlock *MBB) const;
+
+ bool RemapAddSubWithFlags(MachineInstr *MI, MachineBasicBlock *BB) const;
+ };
+ enum NEONModImmType {
+ VMOVModImm,
+ VMVNModImm,
+ OtherModImm
};
-
+
+
namespace ARM {
FastISel *createFastISel(FunctionLoweringInfo &funcInfo);
}
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