| //===- TargetSelectionDAG.td - Common code for DAG isels ---*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the target-independent interfaces used by SelectionDAG |
| // instruction selection generators. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Type Constraint definitions. |
| // |
| // Note that the semantics of these constraints are hard coded into tblgen. To |
| // modify or add constraints, you have to hack tblgen. |
| // |
| |
| class SDTypeConstraint<int opnum> { |
| int OperandNum = opnum; |
| } |
| |
| // SDTCisVT - The specified operand has exactly this VT. |
| class SDTCisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> { |
| ValueType VT = vt; |
| } |
| |
| class SDTCisPtrTy<int OpNum> : SDTypeConstraint<OpNum>; |
| |
| // SDTCisInt - The specified operand has integer type. |
| class SDTCisInt<int OpNum> : SDTypeConstraint<OpNum>; |
| |
| // SDTCisFP - The specified operand has floating-point type. |
| class SDTCisFP<int OpNum> : SDTypeConstraint<OpNum>; |
| |
| // SDTCisVec - The specified operand has a vector type. |
| class SDTCisVec<int OpNum> : SDTypeConstraint<OpNum>; |
| |
| // SDTCisSameAs - The two specified operands have identical types. |
| class SDTCisSameAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> { |
| int OtherOperandNum = OtherOp; |
| } |
| |
| // SDTCisVTSmallerThanOp - The specified operand is a VT SDNode, and its type is |
| // smaller than the 'Other' operand. |
| class SDTCisVTSmallerThanOp<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> { |
| int OtherOperandNum = OtherOp; |
| } |
| |
| class SDTCisOpSmallerThanOp<int SmallOp, int BigOp> : SDTypeConstraint<SmallOp>{ |
| int BigOperandNum = BigOp; |
| } |
| |
| /// SDTCisEltOfVec - This indicates that ThisOp is a scalar type of the same |
| /// type as the element type of OtherOp, which is a vector type. |
| class SDTCisEltOfVec<int ThisOp, int OtherOp> |
| : SDTypeConstraint<ThisOp> { |
| int OtherOpNum = OtherOp; |
| } |
| |
| /// SDTCisSubVecOfVec - This indicates that ThisOp is a vector type |
| /// with length less that of OtherOp, which is a vector type. |
| class SDTCisSubVecOfVec<int ThisOp, int OtherOp> |
| : SDTypeConstraint<ThisOp> { |
| int OtherOpNum = OtherOp; |
| } |
| |
| // SDTCVecEltisVT - The specified operand is vector type with element type |
| // of VT. |
| class SDTCVecEltisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> { |
| ValueType VT = vt; |
| } |
| |
| // SDTCisSameNumEltsAs - The two specified operands have identical number |
| // of elements. |
| class SDTCisSameNumEltsAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> { |
| int OtherOperandNum = OtherOp; |
| } |
| |
| // SDTCisSameSizeAs - The two specified operands have identical size. |
| class SDTCisSameSizeAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> { |
| int OtherOperandNum = OtherOp; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Type Profile definitions. |
| // |
| // These use the constraints defined above to describe the type requirements of |
| // the various nodes. These are not hard coded into tblgen, allowing targets to |
| // add their own if needed. |
| // |
| |
| // SDTypeProfile - This profile describes the type requirements of a Selection |
| // DAG node. |
| class SDTypeProfile<int numresults, int numoperands, |
| list<SDTypeConstraint> constraints> { |
| int NumResults = numresults; |
| int NumOperands = numoperands; |
| list<SDTypeConstraint> Constraints = constraints; |
| } |
| |
| // Builtin profiles. |
| def SDTIntLeaf: SDTypeProfile<1, 0, [SDTCisInt<0>]>; // for 'imm'. |
| def SDTFPLeaf : SDTypeProfile<1, 0, [SDTCisFP<0>]>; // for 'fpimm'. |
| def SDTPtrLeaf: SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; // for '&g'. |
| def SDTOther : SDTypeProfile<1, 0, [SDTCisVT<0, OtherVT>]>; // for 'vt'. |
| def SDTUNDEF : SDTypeProfile<1, 0, []>; // for 'undef'. |
| def SDTUnaryOp : SDTypeProfile<1, 1, []>; // for bitconvert. |
| |
| def SDTIntBinOp : SDTypeProfile<1, 2, [ // add, and, or, xor, udiv, etc. |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0> |
| ]>; |
| def SDTIntShiftOp : SDTypeProfile<1, 2, [ // shl, sra, srl |
| SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2> |
| ]>; |
| def SDTIntShiftDOp: SDTypeProfile<1, 3, [ // fshl, fshr |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3> |
| ]>; |
| def SDTIntSatNoShOp : SDTypeProfile<1, 2, [ // ssat with no shift |
| SDTCisSameAs<0, 1>, SDTCisInt<2> |
| ]>; |
| def SDTIntBinHiLoOp : SDTypeProfile<2, 2, [ // mulhi, mullo, sdivrem, udivrem |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,SDTCisInt<0> |
| ]>; |
| def SDTIntScaledBinOp : SDTypeProfile<1, 3, [ // smulfix |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3> |
| ]>; |
| |
| def SDTFPBinOp : SDTypeProfile<1, 2, [ // fadd, fmul, etc. |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0> |
| ]>; |
| def SDTFPSignOp : SDTypeProfile<1, 2, [ // fcopysign. |
| SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisFP<2> |
| ]>; |
| def SDTFPTernaryOp : SDTypeProfile<1, 3, [ // fmadd, fnmsub, etc. |
| SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisFP<0> |
| ]>; |
| def SDTIntUnaryOp : SDTypeProfile<1, 1, [ // ctlz, cttz |
| SDTCisSameAs<0, 1>, SDTCisInt<0> |
| ]>; |
| def SDTIntExtendOp : SDTypeProfile<1, 1, [ // sext, zext, anyext |
| SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTIntTruncOp : SDTypeProfile<1, 1, [ // trunc |
| SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<0, 1>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTFPUnaryOp : SDTypeProfile<1, 1, [ // fneg, fsqrt, etc |
| SDTCisSameAs<0, 1>, SDTCisFP<0> |
| ]>; |
| def SDTFPRoundOp : SDTypeProfile<1, 1, [ // fround |
| SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<0, 1>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTFPExtendOp : SDTypeProfile<1, 1, [ // fextend |
| SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp |
| SDTCisFP<0>, SDTCisInt<1>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int |
| SDTCisInt<0>, SDTCisFP<1>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg |
| SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisVT<2, OtherVT>, |
| SDTCisVTSmallerThanOp<2, 1> |
| ]>; |
| def SDTExtInvec : SDTypeProfile<1, 1, [ // sext_invec |
| SDTCisInt<0>, SDTCisVec<0>, SDTCisInt<1>, SDTCisVec<1>, |
| SDTCisOpSmallerThanOp<1, 0> |
| ]>; |
| |
| def SDTSetCC : SDTypeProfile<1, 3, [ // setcc |
| SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT> |
| ]>; |
| |
| def SDTSelect : SDTypeProfile<1, 3, [ // select |
| SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3> |
| ]>; |
| |
| def SDTVSelect : SDTypeProfile<1, 3, [ // vselect |
| SDTCisVec<0>, SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>, SDTCisSameNumEltsAs<0, 1> |
| ]>; |
| |
| def SDTSelectCC : SDTypeProfile<1, 5, [ // select_cc |
| SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>, SDTCisSameAs<0, 3>, |
| SDTCisVT<5, OtherVT> |
| ]>; |
| |
| def SDTBr : SDTypeProfile<0, 1, [ // br |
| SDTCisVT<0, OtherVT> |
| ]>; |
| |
| def SDTBrCC : SDTypeProfile<0, 4, [ // brcc |
| SDTCisVT<0, OtherVT>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT> |
| ]>; |
| |
| def SDTBrcond : SDTypeProfile<0, 2, [ // brcond |
| SDTCisInt<0>, SDTCisVT<1, OtherVT> |
| ]>; |
| |
| def SDTBrind : SDTypeProfile<0, 1, [ // brind |
| SDTCisPtrTy<0> |
| ]>; |
| |
| def SDTCatchret : SDTypeProfile<0, 2, [ // catchret |
| SDTCisVT<0, OtherVT>, SDTCisVT<1, OtherVT> |
| ]>; |
| |
| def SDTNone : SDTypeProfile<0, 0, []>; // ret, trap |
| |
| def SDTLoad : SDTypeProfile<1, 1, [ // load |
| SDTCisPtrTy<1> |
| ]>; |
| |
| def SDTStore : SDTypeProfile<0, 2, [ // store |
| SDTCisPtrTy<1> |
| ]>; |
| |
| def SDTIStore : SDTypeProfile<1, 3, [ // indexed store |
| SDTCisSameAs<0, 2>, SDTCisPtrTy<0>, SDTCisPtrTy<3> |
| ]>; |
| |
| def SDTMaskedStore: SDTypeProfile<0, 3, [ // masked store |
| SDTCisVec<0>, SDTCisPtrTy<1>, SDTCisVec<2>, SDTCisSameNumEltsAs<0, 2> |
| ]>; |
| |
| def SDTMaskedLoad: SDTypeProfile<1, 3, [ // masked load |
| SDTCisVec<0>, SDTCisPtrTy<1>, SDTCisVec<2>, SDTCisSameAs<0, 3>, |
| SDTCisSameNumEltsAs<0, 2> |
| ]>; |
| |
| def SDTVecShuffle : SDTypeProfile<1, 2, [ |
| SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2> |
| ]>; |
| def SDTVecExtract : SDTypeProfile<1, 2, [ // vector extract |
| SDTCisEltOfVec<0, 1>, SDTCisPtrTy<2> |
| ]>; |
| def SDTVecInsert : SDTypeProfile<1, 3, [ // vector insert |
| SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3> |
| ]>; |
| |
| def SDTSubVecExtract : SDTypeProfile<1, 2, [// subvector extract |
| SDTCisSubVecOfVec<0,1>, SDTCisInt<2> |
| ]>; |
| def SDTSubVecInsert : SDTypeProfile<1, 3, [ // subvector insert |
| SDTCisSubVecOfVec<2, 1>, SDTCisSameAs<0,1>, SDTCisInt<3> |
| ]>; |
| |
| def SDTPrefetch : SDTypeProfile<0, 4, [ // prefetch |
| SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisSameAs<1, 3>, SDTCisInt<1> |
| ]>; |
| |
| def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barrier |
| SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>, |
| SDTCisInt<0> |
| ]>; |
| def SDTAtomicFence : SDTypeProfile<0, 2, [ |
| SDTCisSameAs<0,1>, SDTCisPtrTy<0> |
| ]>; |
| def SDTAtomic3 : SDTypeProfile<1, 3, [ |
| SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1> |
| ]>; |
| def SDTAtomic2 : SDTypeProfile<1, 2, [ |
| SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1> |
| ]>; |
| def SDTAtomicStore : SDTypeProfile<0, 2, [ |
| SDTCisPtrTy<0>, SDTCisInt<1> |
| ]>; |
| def SDTAtomicLoad : SDTypeProfile<1, 1, [ |
| SDTCisInt<0>, SDTCisPtrTy<1> |
| ]>; |
| |
| def SDTConvertOp : SDTypeProfile<1, 5, [ //cvtss, su, us, uu, ff, fs, fu, sf, su |
| SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, SDTCisPtrTy<4>, SDTCisPtrTy<5> |
| ]>; |
| |
| class SDCallSeqStart<list<SDTypeConstraint> constraints> : |
| SDTypeProfile<0, 2, constraints>; |
| class SDCallSeqEnd<list<SDTypeConstraint> constraints> : |
| SDTypeProfile<0, 2, constraints>; |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Node definitions. |
| // |
| class SDNode<string opcode, SDTypeProfile typeprof, |
| list<SDNodeProperty> props = [], string sdclass = "SDNode"> |
| : SDPatternOperator { |
| string Opcode = opcode; |
| string SDClass = sdclass; |
| let Properties = props; |
| SDTypeProfile TypeProfile = typeprof; |
| } |
| |
| // Special TableGen-recognized dag nodes |
| def set; |
| def implicit; |
| def node; |
| def srcvalue; |
| |
| def imm : SDNode<"ISD::Constant" , SDTIntLeaf , [], "ConstantSDNode">; |
| def timm : SDNode<"ISD::TargetConstant",SDTIntLeaf, [], "ConstantSDNode">; |
| def fpimm : SDNode<"ISD::ConstantFP", SDTFPLeaf , [], "ConstantFPSDNode">; |
| def vt : SDNode<"ISD::VALUETYPE" , SDTOther , [], "VTSDNode">; |
| def bb : SDNode<"ISD::BasicBlock", SDTOther , [], "BasicBlockSDNode">; |
| def cond : SDNode<"ISD::CONDCODE" , SDTOther , [], "CondCodeSDNode">; |
| def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>; |
| def globaladdr : SDNode<"ISD::GlobalAddress", SDTPtrLeaf, [], |
| "GlobalAddressSDNode">; |
| def tglobaladdr : SDNode<"ISD::TargetGlobalAddress", SDTPtrLeaf, [], |
| "GlobalAddressSDNode">; |
| def globaltlsaddr : SDNode<"ISD::GlobalTLSAddress", SDTPtrLeaf, [], |
| "GlobalAddressSDNode">; |
| def tglobaltlsaddr : SDNode<"ISD::TargetGlobalTLSAddress", SDTPtrLeaf, [], |
| "GlobalAddressSDNode">; |
| def constpool : SDNode<"ISD::ConstantPool", SDTPtrLeaf, [], |
| "ConstantPoolSDNode">; |
| def tconstpool : SDNode<"ISD::TargetConstantPool", SDTPtrLeaf, [], |
| "ConstantPoolSDNode">; |
| def jumptable : SDNode<"ISD::JumpTable", SDTPtrLeaf, [], |
| "JumpTableSDNode">; |
| def tjumptable : SDNode<"ISD::TargetJumpTable", SDTPtrLeaf, [], |
| "JumpTableSDNode">; |
| def frameindex : SDNode<"ISD::FrameIndex", SDTPtrLeaf, [], |
| "FrameIndexSDNode">; |
| def tframeindex : SDNode<"ISD::TargetFrameIndex", SDTPtrLeaf, [], |
| "FrameIndexSDNode">; |
| def externalsym : SDNode<"ISD::ExternalSymbol", SDTPtrLeaf, [], |
| "ExternalSymbolSDNode">; |
| def texternalsym: SDNode<"ISD::TargetExternalSymbol", SDTPtrLeaf, [], |
| "ExternalSymbolSDNode">; |
| def mcsym: SDNode<"ISD::MCSymbol", SDTPtrLeaf, [], "MCSymbolSDNode">; |
| def blockaddress : SDNode<"ISD::BlockAddress", SDTPtrLeaf, [], |
| "BlockAddressSDNode">; |
| def tblockaddress: SDNode<"ISD::TargetBlockAddress", SDTPtrLeaf, [], |
| "BlockAddressSDNode">; |
| |
| def add : SDNode<"ISD::ADD" , SDTIntBinOp , |
| [SDNPCommutative, SDNPAssociative]>; |
| def sub : SDNode<"ISD::SUB" , SDTIntBinOp>; |
| def mul : SDNode<"ISD::MUL" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def mulhs : SDNode<"ISD::MULHS" , SDTIntBinOp, [SDNPCommutative]>; |
| def mulhu : SDNode<"ISD::MULHU" , SDTIntBinOp, [SDNPCommutative]>; |
| def smullohi : SDNode<"ISD::SMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>; |
| def umullohi : SDNode<"ISD::UMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>; |
| def sdiv : SDNode<"ISD::SDIV" , SDTIntBinOp>; |
| def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>; |
| def srem : SDNode<"ISD::SREM" , SDTIntBinOp>; |
| def urem : SDNode<"ISD::UREM" , SDTIntBinOp>; |
| def sdivrem : SDNode<"ISD::SDIVREM" , SDTIntBinHiLoOp>; |
| def udivrem : SDNode<"ISD::UDIVREM" , SDTIntBinHiLoOp>; |
| def srl : SDNode<"ISD::SRL" , SDTIntShiftOp>; |
| def sra : SDNode<"ISD::SRA" , SDTIntShiftOp>; |
| def shl : SDNode<"ISD::SHL" , SDTIntShiftOp>; |
| def rotl : SDNode<"ISD::ROTL" , SDTIntShiftOp>; |
| def rotr : SDNode<"ISD::ROTR" , SDTIntShiftOp>; |
| def fshl : SDNode<"ISD::FSHL" , SDTIntShiftDOp>; |
| def fshr : SDNode<"ISD::FSHR" , SDTIntShiftDOp>; |
| def and : SDNode<"ISD::AND" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def or : SDNode<"ISD::OR" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def xor : SDNode<"ISD::XOR" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def addc : SDNode<"ISD::ADDC" , SDTIntBinOp, |
| [SDNPCommutative, SDNPOutGlue]>; |
| def adde : SDNode<"ISD::ADDE" , SDTIntBinOp, |
| [SDNPCommutative, SDNPOutGlue, SDNPInGlue]>; |
| def subc : SDNode<"ISD::SUBC" , SDTIntBinOp, |
| [SDNPOutGlue]>; |
| def sube : SDNode<"ISD::SUBE" , SDTIntBinOp, |
| [SDNPOutGlue, SDNPInGlue]>; |
| def smin : SDNode<"ISD::SMIN" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def smax : SDNode<"ISD::SMAX" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def umin : SDNode<"ISD::UMIN" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def umax : SDNode<"ISD::UMAX" , SDTIntBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| |
| def saddsat : SDNode<"ISD::SADDSAT" , SDTIntBinOp, [SDNPCommutative]>; |
| def uaddsat : SDNode<"ISD::UADDSAT" , SDTIntBinOp, [SDNPCommutative]>; |
| def ssubsat : SDNode<"ISD::SSUBSAT" , SDTIntBinOp>; |
| def usubsat : SDNode<"ISD::USUBSAT" , SDTIntBinOp>; |
| def smulfix : SDNode<"ISD::SMULFIX" , SDTIntScaledBinOp, [SDNPCommutative]>; |
| |
| def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>; |
| def sext_invec : SDNode<"ISD::SIGN_EXTEND_VECTOR_INREG", SDTExtInvec>; |
| def zext_invec : SDNode<"ISD::ZERO_EXTEND_VECTOR_INREG", SDTExtInvec>; |
| |
| def abs : SDNode<"ISD::ABS" , SDTIntUnaryOp>; |
| def bitreverse : SDNode<"ISD::BITREVERSE" , SDTIntUnaryOp>; |
| def bswap : SDNode<"ISD::BSWAP" , SDTIntUnaryOp>; |
| def ctlz : SDNode<"ISD::CTLZ" , SDTIntUnaryOp>; |
| def cttz : SDNode<"ISD::CTTZ" , SDTIntUnaryOp>; |
| def ctpop : SDNode<"ISD::CTPOP" , SDTIntUnaryOp>; |
| def ctlz_zero_undef : SDNode<"ISD::CTLZ_ZERO_UNDEF", SDTIntUnaryOp>; |
| def cttz_zero_undef : SDNode<"ISD::CTTZ_ZERO_UNDEF", SDTIntUnaryOp>; |
| def sext : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>; |
| def zext : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>; |
| def anyext : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>; |
| def trunc : SDNode<"ISD::TRUNCATE" , SDTIntTruncOp>; |
| def bitconvert : SDNode<"ISD::BITCAST" , SDTUnaryOp>; |
| def addrspacecast : SDNode<"ISD::ADDRSPACECAST", SDTUnaryOp>; |
| def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>; |
| def insertelt : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>; |
| |
| def fadd : SDNode<"ISD::FADD" , SDTFPBinOp, [SDNPCommutative]>; |
| def fsub : SDNode<"ISD::FSUB" , SDTFPBinOp>; |
| def fmul : SDNode<"ISD::FMUL" , SDTFPBinOp, [SDNPCommutative]>; |
| def fdiv : SDNode<"ISD::FDIV" , SDTFPBinOp>; |
| def frem : SDNode<"ISD::FREM" , SDTFPBinOp>; |
| def fma : SDNode<"ISD::FMA" , SDTFPTernaryOp>; |
| def fmad : SDNode<"ISD::FMAD" , SDTFPTernaryOp>; |
| def fabs : SDNode<"ISD::FABS" , SDTFPUnaryOp>; |
| def fminnum : SDNode<"ISD::FMINNUM" , SDTFPBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def fmaxnum : SDNode<"ISD::FMAXNUM" , SDTFPBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def fminnum_ieee : SDNode<"ISD::FMINNUM_IEEE", SDTFPBinOp, |
| [SDNPCommutative]>; |
| def fmaxnum_ieee : SDNode<"ISD::FMAXNUM_IEEE", SDTFPBinOp, |
| [SDNPCommutative]>; |
| def fminimum : SDNode<"ISD::FMINIMUM" , SDTFPBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def fmaximum : SDNode<"ISD::FMAXIMUM" , SDTFPBinOp, |
| [SDNPCommutative, SDNPAssociative]>; |
| def fgetsign : SDNode<"ISD::FGETSIGN" , SDTFPToIntOp>; |
| def fcanonicalize : SDNode<"ISD::FCANONICALIZE", SDTFPUnaryOp>; |
| def fneg : SDNode<"ISD::FNEG" , SDTFPUnaryOp>; |
| def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>; |
| def fsin : SDNode<"ISD::FSIN" , SDTFPUnaryOp>; |
| def fcos : SDNode<"ISD::FCOS" , SDTFPUnaryOp>; |
| def fexp2 : SDNode<"ISD::FEXP2" , SDTFPUnaryOp>; |
| def fpow : SDNode<"ISD::FPOW" , SDTFPBinOp>; |
| def flog2 : SDNode<"ISD::FLOG2" , SDTFPUnaryOp>; |
| def frint : SDNode<"ISD::FRINT" , SDTFPUnaryOp>; |
| def ftrunc : SDNode<"ISD::FTRUNC" , SDTFPUnaryOp>; |
| def fceil : SDNode<"ISD::FCEIL" , SDTFPUnaryOp>; |
| def ffloor : SDNode<"ISD::FFLOOR" , SDTFPUnaryOp>; |
| def fnearbyint : SDNode<"ISD::FNEARBYINT" , SDTFPUnaryOp>; |
| def fround : SDNode<"ISD::FROUND" , SDTFPUnaryOp>; |
| |
| def fpround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>; |
| def fpextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>; |
| def fcopysign : SDNode<"ISD::FCOPYSIGN" , SDTFPSignOp>; |
| |
| def sint_to_fp : SDNode<"ISD::SINT_TO_FP" , SDTIntToFPOp>; |
| def uint_to_fp : SDNode<"ISD::UINT_TO_FP" , SDTIntToFPOp>; |
| def fp_to_sint : SDNode<"ISD::FP_TO_SINT" , SDTFPToIntOp>; |
| def fp_to_uint : SDNode<"ISD::FP_TO_UINT" , SDTFPToIntOp>; |
| def f16_to_fp : SDNode<"ISD::FP16_TO_FP" , SDTIntToFPOp>; |
| def fp_to_f16 : SDNode<"ISD::FP_TO_FP16" , SDTFPToIntOp>; |
| |
| def setcc : SDNode<"ISD::SETCC" , SDTSetCC>; |
| def select : SDNode<"ISD::SELECT" , SDTSelect>; |
| def vselect : SDNode<"ISD::VSELECT" , SDTVSelect>; |
| def selectcc : SDNode<"ISD::SELECT_CC" , SDTSelectCC>; |
| |
| def brcc : SDNode<"ISD::BR_CC" , SDTBrCC, [SDNPHasChain]>; |
| def brcond : SDNode<"ISD::BRCOND" , SDTBrcond, [SDNPHasChain]>; |
| def brind : SDNode<"ISD::BRIND" , SDTBrind, [SDNPHasChain]>; |
| def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>; |
| def catchret : SDNode<"ISD::CATCHRET" , SDTCatchret, |
| [SDNPHasChain, SDNPSideEffect]>; |
| def cleanupret : SDNode<"ISD::CLEANUPRET" , SDTNone, [SDNPHasChain]>; |
| def catchpad : SDNode<"ISD::CATCHPAD" , SDTNone, |
| [SDNPHasChain, SDNPSideEffect]>; |
| |
| def trap : SDNode<"ISD::TRAP" , SDTNone, |
| [SDNPHasChain, SDNPSideEffect]>; |
| def debugtrap : SDNode<"ISD::DEBUGTRAP" , SDTNone, |
| [SDNPHasChain, SDNPSideEffect]>; |
| |
| def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch, |
| [SDNPHasChain, SDNPMayLoad, SDNPMayStore, |
| SDNPMemOperand]>; |
| |
| def readcyclecounter : SDNode<"ISD::READCYCLECOUNTER", SDTIntLeaf, |
| [SDNPHasChain, SDNPSideEffect]>; |
| |
| def atomic_fence : SDNode<"ISD::ATOMIC_FENCE" , SDTAtomicFence, |
| [SDNPHasChain, SDNPSideEffect]>; |
| |
| def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_swap : SDNode<"ISD::ATOMIC_SWAP", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_clr : SDNode<"ISD::ATOMIC_LOAD_CLR" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_or : SDNode<"ISD::ATOMIC_LOAD_OR" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", SDTAtomic2, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_load : SDNode<"ISD::ATOMIC_LOAD", SDTAtomicLoad, |
| [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>; |
| def atomic_store : SDNode<"ISD::ATOMIC_STORE", SDTAtomicStore, |
| [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>; |
| |
| def masked_store : SDNode<"ISD::MSTORE", SDTMaskedStore, |
| [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>; |
| def masked_load : SDNode<"ISD::MLOAD", SDTMaskedLoad, |
| [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>; |
| |
| // Do not use ld, st directly. Use load, extload, sextload, zextload, store, |
| // and truncst (see below). |
| def ld : SDNode<"ISD::LOAD" , SDTLoad, |
| [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>; |
| def st : SDNode<"ISD::STORE" , SDTStore, |
| [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>; |
| def ist : SDNode<"ISD::STORE" , SDTIStore, |
| [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>; |
| |
| def vector_shuffle : SDNode<"ISD::VECTOR_SHUFFLE", SDTVecShuffle, []>; |
| def build_vector : SDNode<"ISD::BUILD_VECTOR", SDTypeProfile<1, -1, []>, []>; |
| def scalar_to_vector : SDNode<"ISD::SCALAR_TO_VECTOR", SDTypeProfile<1, 1, []>, |
| []>; |
| |
| // vector_extract/vector_insert are deprecated. extractelt/insertelt |
| // are preferred. |
| def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT", |
| SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>; |
| def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT", |
| SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>; |
| def concat_vectors : SDNode<"ISD::CONCAT_VECTORS", |
| SDTypeProfile<1, 2, [SDTCisSubVecOfVec<1, 0>, SDTCisSameAs<1, 2>]>,[]>; |
| |
| // This operator does not do subvector type checking. The ARM |
| // backend, at least, needs it. |
| def vector_extract_subvec : SDNode<"ISD::EXTRACT_SUBVECTOR", |
| SDTypeProfile<1, 2, [SDTCisInt<2>, SDTCisVec<1>, SDTCisVec<0>]>, |
| []>; |
| |
| // This operator does subvector type checking. |
| def extract_subvector : SDNode<"ISD::EXTRACT_SUBVECTOR", SDTSubVecExtract, []>; |
| def insert_subvector : SDNode<"ISD::INSERT_SUBVECTOR", SDTSubVecInsert, []>; |
| |
| // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use |
| // these internally. Don't reference these directly. |
| def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID", |
| SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>, |
| [SDNPHasChain]>; |
| def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN", |
| SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, |
| [SDNPHasChain]>; |
| def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN", |
| SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, []>; |
| |
| def SDT_assertext : SDTypeProfile<1, 1, |
| [SDTCisInt<0>, SDTCisInt<1>, SDTCisSameAs<1, 0>]>; |
| def assertsext : SDNode<"ISD::AssertSext", SDT_assertext>; |
| def assertzext : SDNode<"ISD::AssertZext", SDT_assertext>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Condition Codes |
| |
| class CondCode; // ISD::CondCode enums |
| def SETOEQ : CondCode; def SETOGT : CondCode; |
| def SETOGE : CondCode; def SETOLT : CondCode; def SETOLE : CondCode; |
| def SETONE : CondCode; def SETO : CondCode; def SETUO : CondCode; |
| def SETUEQ : CondCode; def SETUGT : CondCode; def SETUGE : CondCode; |
| def SETULT : CondCode; def SETULE : CondCode; def SETUNE : CondCode; |
| |
| def SETEQ : CondCode; def SETGT : CondCode; def SETGE : CondCode; |
| def SETLT : CondCode; def SETLE : CondCode; def SETNE : CondCode; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Node Transformation Functions. |
| // |
| // This mechanism allows targets to manipulate nodes in the output DAG once a |
| // match has been formed. This is typically used to manipulate immediate |
| // values. |
| // |
| class SDNodeXForm<SDNode opc, code xformFunction> { |
| SDNode Opcode = opc; |
| code XFormFunction = xformFunction; |
| } |
| |
| def NOOP_SDNodeXForm : SDNodeXForm<imm, [{}]>; |
| |
| //===----------------------------------------------------------------------===// |
| // PatPred Subclasses. |
| // |
| // These allow specifying different sorts of predicates that control whether a |
| // node is matched. |
| // |
| class PatPred; |
| |
| class CodePatPred<code predicate> : PatPred { |
| code PredicateCode = predicate; |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Pattern Fragments. |
| // |
| // Pattern fragments are reusable chunks of dags that match specific things. |
| // They can take arguments and have C++ predicates that control whether they |
| // match. They are intended to make the patterns for common instructions more |
| // compact and readable. |
| // |
| |
| /// PatFrags - Represents a set of pattern fragments. Each single fragment |
| /// can match something on the DAG, from a single node to multiple nested other |
| /// fragments. The whole set of fragments matches if any of the single |
| /// fragemnts match. This allows e.g. matching and "add with overflow" and |
| /// a regular "add" with the same fragment set. |
| /// |
| class PatFrags<dag ops, list<dag> frags, code pred = [{}], |
| SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator { |
| dag Operands = ops; |
| list<dag> Fragments = frags; |
| code PredicateCode = pred; |
| code GISelPredicateCode = [{}]; |
| code ImmediateCode = [{}]; |
| SDNodeXForm OperandTransform = xform; |
| |
| // When this is set, the PredicateCode may refer to a constant Operands |
| // vector which contains the captured nodes of the DAG, in the order listed |
| // by the Operands field above. |
| // |
| // This is useful when Fragments involves associative / commutative |
| // operators: a single piece of code can easily refer to all operands even |
| // when re-associated / commuted variants of the fragment are matched. |
| bit PredicateCodeUsesOperands = 0; |
| |
| // Define a few pre-packaged predicates. This helps GlobalISel import |
| // existing rules from SelectionDAG for many common cases. |
| // They will be tested prior to the code in pred and must not be used in |
| // ImmLeaf and its subclasses. |
| |
| // Is the desired pre-packaged predicate for a load? |
| bit IsLoad = ?; |
| // Is the desired pre-packaged predicate for a store? |
| bit IsStore = ?; |
| // Is the desired pre-packaged predicate for an atomic? |
| bit IsAtomic = ?; |
| |
| // cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED; |
| // cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED; |
| bit IsUnindexed = ?; |
| |
| // cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD |
| bit IsNonExtLoad = ?; |
| // cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD; |
| bit IsAnyExtLoad = ?; |
| // cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD; |
| bit IsSignExtLoad = ?; |
| // cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD; |
| bit IsZeroExtLoad = ?; |
| // !cast<StoreSDNode>(N)->isTruncatingStore(); |
| // cast<StoreSDNode>(N)->isTruncatingStore(); |
| bit IsTruncStore = ?; |
| |
| // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Monotonic |
| bit IsAtomicOrderingMonotonic = ?; |
| // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Acquire |
| bit IsAtomicOrderingAcquire = ?; |
| // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Release |
| bit IsAtomicOrderingRelease = ?; |
| // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::AcquireRelease |
| bit IsAtomicOrderingAcquireRelease = ?; |
| // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::SequentiallyConsistent |
| bit IsAtomicOrderingSequentiallyConsistent = ?; |
| |
| // isAcquireOrStronger(cast<AtomicSDNode>(N)->getOrdering()) |
| // !isAcquireOrStronger(cast<AtomicSDNode>(N)->getOrdering()) |
| bit IsAtomicOrderingAcquireOrStronger = ?; |
| |
| // isReleaseOrStronger(cast<AtomicSDNode>(N)->getOrdering()) |
| // !isReleaseOrStronger(cast<AtomicSDNode>(N)->getOrdering()) |
| bit IsAtomicOrderingReleaseOrStronger = ?; |
| |
| // cast<LoadSDNode>(N)->getMemoryVT() == MVT::<VT>; |
| // cast<StoreSDNode>(N)->getMemoryVT() == MVT::<VT>; |
| ValueType MemoryVT = ?; |
| // cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::<VT>; |
| // cast<StoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::<VT>; |
| ValueType ScalarMemoryVT = ?; |
| } |
| |
| // PatFrag - A version of PatFrags matching only a single fragment. |
| class PatFrag<dag ops, dag frag, code pred = [{}], |
| SDNodeXForm xform = NOOP_SDNodeXForm> |
| : PatFrags<ops, [frag], pred, xform>; |
| |
| // OutPatFrag is a pattern fragment that is used as part of an output pattern |
| // (not an input pattern). These do not have predicates or transforms, but are |
| // used to avoid repeated subexpressions in output patterns. |
| class OutPatFrag<dag ops, dag frag> |
| : PatFrag<ops, frag, [{}], NOOP_SDNodeXForm>; |
| |
| // PatLeaf's are pattern fragments that have no operands. This is just a helper |
| // to define immediates and other common things concisely. |
| class PatLeaf<dag frag, code pred = [{}], SDNodeXForm xform = NOOP_SDNodeXForm> |
| : PatFrag<(ops), frag, pred, xform>; |
| |
| |
| // ImmLeaf is a pattern fragment with a constraint on the immediate. The |
| // constraint is a function that is run on the immediate (always with the value |
| // sign extended out to an int64_t) as Imm. For example: |
| // |
| // def immSExt8 : ImmLeaf<i16, [{ return (char)Imm == Imm; }]>; |
| // |
| // this is a more convenient form to match 'imm' nodes in than PatLeaf and also |
| // is preferred over using PatLeaf because it allows the code generator to |
| // reason more about the constraint. |
| // |
| // If FastIsel should ignore all instructions that have an operand of this type, |
| // the FastIselShouldIgnore flag can be set. This is an optimization to reduce |
| // the code size of the generated fast instruction selector. |
| class ImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm, |
| SDNode ImmNode = imm> |
| : PatFrag<(ops), (vt ImmNode), [{}], xform> { |
| let ImmediateCode = pred; |
| bit FastIselShouldIgnore = 0; |
| |
| // Is the data type of the immediate an APInt? |
| bit IsAPInt = 0; |
| |
| // Is the data type of the immediate an APFloat? |
| bit IsAPFloat = 0; |
| } |
| |
| // An ImmLeaf except that Imm is an APInt. This is useful when you need to |
| // zero-extend the immediate instead of sign-extend it. |
| // |
| // Note that FastISel does not currently understand IntImmLeaf and will not |
| // generate code for rules that make use of it. As such, it does not make sense |
| // to replace ImmLeaf with IntImmLeaf. However, replacing PatLeaf with an |
| // IntImmLeaf will allow GlobalISel to import the rule. |
| class IntImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm> |
| : ImmLeaf<vt, pred, xform> { |
| let IsAPInt = 1; |
| let FastIselShouldIgnore = 1; |
| } |
| |
| // An ImmLeaf except that Imm is an APFloat. |
| // |
| // Note that FastISel does not currently understand FPImmLeaf and will not |
| // generate code for rules that make use of it. |
| class FPImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm> |
| : ImmLeaf<vt, pred, xform, fpimm> { |
| let IsAPFloat = 1; |
| let FastIselShouldIgnore = 1; |
| } |
| |
| // Leaf fragments. |
| |
| def vtInt : PatLeaf<(vt), [{ return N->getVT().isInteger(); }]>; |
| def vtFP : PatLeaf<(vt), [{ return N->getVT().isFloatingPoint(); }]>; |
| |
| def immAllOnesV: PatLeaf<(build_vector), [{ |
| return ISD::isBuildVectorAllOnes(N); |
| }]>; |
| def immAllZerosV: PatLeaf<(build_vector), [{ |
| return ISD::isBuildVectorAllZeros(N); |
| }]>; |
| |
| |
| |
| // Other helper fragments. |
| def not : PatFrag<(ops node:$in), (xor node:$in, -1)>; |
| def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>; |
| def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>; |
| |
| // null_frag - The null pattern operator is used in multiclass instantiations |
| // which accept an SDPatternOperator for use in matching patterns for internal |
| // definitions. When expanding a pattern, if the null fragment is referenced |
| // in the expansion, the pattern is discarded and it is as-if '[]' had been |
| // specified. This allows multiclasses to have the isel patterns be optional. |
| def null_frag : SDPatternOperator; |
| |
| // load fragments. |
| def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr)> { |
| let IsLoad = 1; |
| let IsUnindexed = 1; |
| } |
| def load : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> { |
| let IsLoad = 1; |
| let IsNonExtLoad = 1; |
| } |
| |
| // extending load fragments. |
| def extload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> { |
| let IsLoad = 1; |
| let IsAnyExtLoad = 1; |
| } |
| def sextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> { |
| let IsLoad = 1; |
| let IsSignExtLoad = 1; |
| } |
| def zextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> { |
| let IsLoad = 1; |
| let IsZeroExtLoad = 1; |
| } |
| |
| def extloadi1 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i1; |
| } |
| def extloadi8 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i8; |
| } |
| def extloadi16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i16; |
| } |
| def extloadi32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i32; |
| } |
| def extloadf32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = f32; |
| } |
| def extloadf64 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = f64; |
| } |
| |
| def sextloadi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i1; |
| } |
| def sextloadi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i8; |
| } |
| def sextloadi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i16; |
| } |
| def sextloadi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i32; |
| } |
| |
| def zextloadi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i1; |
| } |
| def zextloadi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i8; |
| } |
| def zextloadi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i16; |
| } |
| def zextloadi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let MemoryVT = i32; |
| } |
| |
| def extloadvi1 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i1; |
| } |
| def extloadvi8 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i8; |
| } |
| def extloadvi16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i16; |
| } |
| def extloadvi32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i32; |
| } |
| def extloadvf32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = f32; |
| } |
| def extloadvf64 : PatFrag<(ops node:$ptr), (extload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = f64; |
| } |
| |
| def sextloadvi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i1; |
| } |
| def sextloadvi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i8; |
| } |
| def sextloadvi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i16; |
| } |
| def sextloadvi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i32; |
| } |
| |
| def zextloadvi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i1; |
| } |
| def zextloadvi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i8; |
| } |
| def zextloadvi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i16; |
| } |
| def zextloadvi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> { |
| let IsLoad = 1; |
| let ScalarMemoryVT = i32; |
| } |
| |
| // store fragments. |
| def unindexedstore : PatFrag<(ops node:$val, node:$ptr), |
| (st node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let IsUnindexed = 1; |
| } |
| def store : PatFrag<(ops node:$val, node:$ptr), |
| (unindexedstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let IsTruncStore = 0; |
| } |
| |
| // truncstore fragments. |
| def truncstore : PatFrag<(ops node:$val, node:$ptr), |
| (unindexedstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let IsTruncStore = 1; |
| } |
| def truncstorei8 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let MemoryVT = i8; |
| } |
| def truncstorei16 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let MemoryVT = i16; |
| } |
| def truncstorei32 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let MemoryVT = i32; |
| } |
| def truncstoref32 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let MemoryVT = f32; |
| } |
| def truncstoref64 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let MemoryVT = f64; |
| } |
| |
| def truncstorevi8 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let ScalarMemoryVT = i8; |
| } |
| |
| def truncstorevi16 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let ScalarMemoryVT = i16; |
| } |
| |
| def truncstorevi32 : PatFrag<(ops node:$val, node:$ptr), |
| (truncstore node:$val, node:$ptr)> { |
| let IsStore = 1; |
| let ScalarMemoryVT = i32; |
| } |
| |
| // indexed store fragments. |
| def istore : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (ist node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let IsTruncStore = 0; |
| } |
| |
| def pre_store : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (istore node:$val, node:$base, node:$offset), [{ |
| ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode(); |
| return AM == ISD::PRE_INC || AM == ISD::PRE_DEC; |
| }]>; |
| |
| def itruncstore : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (ist node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let IsTruncStore = 1; |
| } |
| def pre_truncst : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (itruncstore node:$val, node:$base, node:$offset), [{ |
| ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode(); |
| return AM == ISD::PRE_INC || AM == ISD::PRE_DEC; |
| }]>; |
| def pre_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (pre_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i1; |
| } |
| def pre_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (pre_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i8; |
| } |
| def pre_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (pre_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i16; |
| } |
| def pre_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (pre_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i32; |
| } |
| def pre_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (pre_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = f32; |
| } |
| |
| def post_store : PatFrag<(ops node:$val, node:$ptr, node:$offset), |
| (istore node:$val, node:$ptr, node:$offset), [{ |
| ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode(); |
| return AM == ISD::POST_INC || AM == ISD::POST_DEC; |
| }]>; |
| |
| def post_truncst : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (itruncstore node:$val, node:$base, node:$offset), [{ |
| ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode(); |
| return AM == ISD::POST_INC || AM == ISD::POST_DEC; |
| }]>; |
| def post_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (post_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i1; |
| } |
| def post_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (post_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i8; |
| } |
| def post_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (post_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i16; |
| } |
| def post_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (post_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = i32; |
| } |
| def post_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset), |
| (post_truncst node:$val, node:$base, node:$offset)> { |
| let IsStore = 1; |
| let MemoryVT = f32; |
| } |
| |
| def nonvolatile_load : PatFrag<(ops node:$ptr), |
| (load node:$ptr), [{ |
| return !cast<LoadSDNode>(N)->isVolatile(); |
| }]>; |
| def nonvolatile_store : PatFrag<(ops node:$val, node:$ptr), |
| (store node:$val, node:$ptr), [{ |
| return !cast<StoreSDNode>(N)->isVolatile(); |
| }]>; |
| |
| // nontemporal store fragments. |
| def nontemporalstore : PatFrag<(ops node:$val, node:$ptr), |
| (store node:$val, node:$ptr), [{ |
| return cast<StoreSDNode>(N)->isNonTemporal(); |
| }]>; |
| |
| def alignednontemporalstore : PatFrag<(ops node:$val, node:$ptr), |
| (nontemporalstore node:$val, node:$ptr), [{ |
| StoreSDNode *St = cast<StoreSDNode>(N); |
| return St->getAlignment() >= St->getMemoryVT().getStoreSize(); |
| }]>; |
| |
| def unalignednontemporalstore : PatFrag<(ops node:$val, node:$ptr), |
| (nontemporalstore node:$val, node:$ptr), [{ |
| StoreSDNode *St = cast<StoreSDNode>(N); |
| return St->getAlignment() < St->getMemoryVT().getStoreSize(); |
| }]>; |
| |
| // nontemporal load fragments. |
| def nontemporalload : PatFrag<(ops node:$ptr), |
| (load node:$ptr), [{ |
| return cast<LoadSDNode>(N)->isNonTemporal(); |
| }]>; |
| |
| def alignednontemporalload : PatFrag<(ops node:$ptr), |
| (nontemporalload node:$ptr), [{ |
| LoadSDNode *Ld = cast<LoadSDNode>(N); |
| return Ld->getAlignment() >= Ld->getMemoryVT().getStoreSize(); |
| }]>; |
| |
| // setcc convenience fragments. |
| def setoeq : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETOEQ)>; |
| def setogt : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETOGT)>; |
| def setoge : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETOGE)>; |
| def setolt : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETOLT)>; |
| def setole : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETOLE)>; |
| def setone : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETONE)>; |
| def seto : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETO)>; |
| def setuo : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETUO)>; |
| def setueq : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETUEQ)>; |
| def setugt : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETUGT)>; |
| def setuge : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETUGE)>; |
| def setult : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETULT)>; |
| def setule : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETULE)>; |
| def setune : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETUNE)>; |
| def seteq : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETEQ)>; |
| def setgt : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETGT)>; |
| def setge : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETGE)>; |
| def setlt : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETLT)>; |
| def setle : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETLE)>; |
| def setne : PatFrag<(ops node:$lhs, node:$rhs), |
| (setcc node:$lhs, node:$rhs, SETNE)>; |
| |
| multiclass binary_atomic_op_ord<SDNode atomic_op> { |
| def #NAME#_monotonic : PatFrag<(ops node:$ptr, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingMonotonic = 1; |
| } |
| def #NAME#_acquire : PatFrag<(ops node:$ptr, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingAcquire = 1; |
| } |
| def #NAME#_release : PatFrag<(ops node:$ptr, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingRelease = 1; |
| } |
| def #NAME#_acq_rel : PatFrag<(ops node:$ptr, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingAcquireRelease = 1; |
| } |
| def #NAME#_seq_cst : PatFrag<(ops node:$ptr, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingSequentiallyConsistent = 1; |
| } |
| } |
| |
| multiclass ternary_atomic_op_ord<SDNode atomic_op> { |
| def #NAME#_monotonic : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingMonotonic = 1; |
| } |
| def #NAME#_acquire : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingAcquire = 1; |
| } |
| def #NAME#_release : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingRelease = 1; |
| } |
| def #NAME#_acq_rel : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingAcquireRelease = 1; |
| } |
| def #NAME#_seq_cst : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (!cast<SDPatternOperator>(#NAME) node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let IsAtomicOrderingSequentiallyConsistent = 1; |
| } |
| } |
| |
| multiclass binary_atomic_op<SDNode atomic_op> { |
| def _8 : PatFrag<(ops node:$ptr, node:$val), |
| (atomic_op node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i8; |
| } |
| def _16 : PatFrag<(ops node:$ptr, node:$val), |
| (atomic_op node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i16; |
| } |
| def _32 : PatFrag<(ops node:$ptr, node:$val), |
| (atomic_op node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i32; |
| } |
| def _64 : PatFrag<(ops node:$ptr, node:$val), |
| (atomic_op node:$ptr, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i64; |
| } |
| |
| defm NAME#_8 : binary_atomic_op_ord<atomic_op>; |
| defm NAME#_16 : binary_atomic_op_ord<atomic_op>; |
| defm NAME#_32 : binary_atomic_op_ord<atomic_op>; |
| defm NAME#_64 : binary_atomic_op_ord<atomic_op>; |
| } |
| |
| multiclass ternary_atomic_op<SDNode atomic_op> { |
| def _8 : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (atomic_op node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i8; |
| } |
| def _16 : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (atomic_op node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i16; |
| } |
| def _32 : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (atomic_op node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i32; |
| } |
| def _64 : PatFrag<(ops node:$ptr, node:$cmp, node:$val), |
| (atomic_op node:$ptr, node:$cmp, node:$val)> { |
| let IsAtomic = 1; |
| let MemoryVT = i64; |
| } |
| |
| defm NAME#_8 : ternary_atomic_op_ord<atomic_op>; |
| defm NAME#_16 : ternary_atomic_op_ord<atomic_op>; |
| defm NAME#_32 : ternary_atomic_op_ord<atomic_op>; |
| defm NAME#_64 : ternary_atomic_op_ord<atomic_op>; |
| } |
| |
| defm atomic_load_add : binary_atomic_op<atomic_load_add>; |
| defm atomic_swap : binary_atomic_op<atomic_swap>; |
| defm atomic_load_sub : binary_atomic_op<atomic_load_sub>; |
| defm atomic_load_and : binary_atomic_op<atomic_load_and>; |
| defm atomic_load_clr : binary_atomic_op<atomic_load_clr>; |
| defm atomic_load_or : binary_atomic_op<atomic_load_or>; |
| defm atomic_load_xor : binary_atomic_op<atomic_load_xor>; |
| defm atomic_load_nand : binary_atomic_op<atomic_load_nand>; |
| defm atomic_load_min : binary_atomic_op<atomic_load_min>; |
| defm atomic_load_max : binary_atomic_op<atomic_load_max>; |
| defm atomic_load_umin : binary_atomic_op<atomic_load_umin>; |
| defm atomic_load_umax : binary_atomic_op<atomic_load_umax>; |
| defm atomic_store : binary_atomic_op<atomic_store>; |
| defm atomic_cmp_swap : ternary_atomic_op<atomic_cmp_swap>; |
| |
| def atomic_load_8 : |
| PatFrag<(ops node:$ptr), |
| (atomic_load node:$ptr)> { |
| let IsAtomic = 1; |
| let MemoryVT = i8; |
| } |
| def atomic_load_16 : |
| PatFrag<(ops node:$ptr), |
| (atomic_load node:$ptr)> { |
| let IsAtomic = 1; |
| let MemoryVT = i16; |
| } |
| def atomic_load_32 : |
| PatFrag<(ops node:$ptr), |
| (atomic_load node:$ptr)> { |
| let IsAtomic = 1; |
| let MemoryVT = i32; |
| } |
| def atomic_load_64 : |
| PatFrag<(ops node:$ptr), |
| (atomic_load node:$ptr)> { |
| let IsAtomic = 1; |
| let MemoryVT = i64; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Selection DAG Pattern Support. |
| // |
| // Patterns are what are actually matched against by the target-flavored |
| // instruction selection DAG. Instructions defined by the target implicitly |
| // define patterns in most cases, but patterns can also be explicitly added when |
| // an operation is defined by a sequence of instructions (e.g. loading a large |
| // immediate value on RISC targets that do not support immediates as large as |
| // their GPRs). |
| // |
| |
| class Pattern<dag patternToMatch, list<dag> resultInstrs> { |
| dag PatternToMatch = patternToMatch; |
| list<dag> ResultInstrs = resultInstrs; |
| list<Predicate> Predicates = []; // See class Instruction in Target.td. |
| int AddedComplexity = 0; // See class Instruction in Target.td. |
| } |
| |
| // Pat - A simple (but common) form of a pattern, which produces a simple result |
| // not needing a full list. |
| class Pat<dag pattern, dag result> : Pattern<pattern, [result]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Complex pattern definitions. |
| // |
| |
| // Complex patterns, e.g. X86 addressing mode, requires pattern matching code |
| // in C++. NumOperands is the number of operands returned by the select function; |
| // SelectFunc is the name of the function used to pattern match the max. pattern; |
| // RootNodes are the list of possible root nodes of the sub-dags to match. |
| // e.g. X86 addressing mode - def addr : ComplexPattern<4, "SelectAddr", [add]>; |
| // |
| class ComplexPattern<ValueType ty, int numops, string fn, |
| list<SDNode> roots = [], list<SDNodeProperty> props = [], |
| int complexity = -1> { |
| ValueType Ty = ty; |
| int NumOperands = numops; |
| string SelectFunc = fn; |
| list<SDNode> RootNodes = roots; |
| list<SDNodeProperty> Properties = props; |
| int Complexity = complexity; |
| } |
