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869 lines
38 KiB
TableGen
869 lines
38 KiB
TableGen
//===- TargetSelectionDAG.td - Common code for DAG isels ---*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the target-independent interfaces used by SelectionDAG
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// instruction selection generators.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Selection DAG Type Constraint definitions.
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//
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// Note that the semantics of these constraints are hard coded into tblgen. To
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// modify or add constraints, you have to hack tblgen.
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//
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class SDTypeConstraint<int opnum> {
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int OperandNum = opnum;
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}
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// SDTCisVT - The specified operand has exactly this VT.
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class SDTCisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> {
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ValueType VT = vt;
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}
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class SDTCisPtrTy<int OpNum> : SDTypeConstraint<OpNum>;
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// SDTCisInt - The specified operand has integer type.
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class SDTCisInt<int OpNum> : SDTypeConstraint<OpNum>;
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// SDTCisFP - The specified operand has floating-point type.
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class SDTCisFP<int OpNum> : SDTypeConstraint<OpNum>;
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// SDTCisVec - The specified operand has a vector type.
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class SDTCisVec<int OpNum> : SDTypeConstraint<OpNum>;
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// SDTCisSameAs - The two specified operands have identical types.
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class SDTCisSameAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
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int OtherOperandNum = OtherOp;
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}
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// SDTCisVTSmallerThanOp - The specified operand is a VT SDNode, and its type is
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// smaller than the 'Other' operand.
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class SDTCisVTSmallerThanOp<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
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int OtherOperandNum = OtherOp;
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}
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class SDTCisOpSmallerThanOp<int SmallOp, int BigOp> : SDTypeConstraint<SmallOp>{
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int BigOperandNum = BigOp;
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}
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/// SDTCisEltOfVec - This indicates that ThisOp is a scalar type of the same
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/// type as the element type of OtherOp, which is a vector type.
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class SDTCisEltOfVec<int ThisOp, int OtherOp>
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: SDTypeConstraint<ThisOp> {
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int OtherOpNum = OtherOp;
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}
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//===----------------------------------------------------------------------===//
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// Selection DAG Type Profile definitions.
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//
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// These use the constraints defined above to describe the type requirements of
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// the various nodes. These are not hard coded into tblgen, allowing targets to
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// add their own if needed.
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//
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// SDTypeProfile - This profile describes the type requirements of a Selection
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// DAG node.
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class SDTypeProfile<int numresults, int numoperands,
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list<SDTypeConstraint> constraints> {
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int NumResults = numresults;
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int NumOperands = numoperands;
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list<SDTypeConstraint> Constraints = constraints;
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}
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// Builtin profiles.
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def SDTIntLeaf: SDTypeProfile<1, 0, [SDTCisInt<0>]>; // for 'imm'.
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def SDTFPLeaf : SDTypeProfile<1, 0, [SDTCisFP<0>]>; // for 'fpimm'.
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def SDTPtrLeaf: SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; // for '&g'.
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def SDTOther : SDTypeProfile<1, 0, [SDTCisVT<0, OtherVT>]>; // for 'vt'.
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def SDTUNDEF : SDTypeProfile<1, 0, []>; // for 'undef'.
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def SDTUnaryOp : SDTypeProfile<1, 1, []>; // for bitconvert.
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def SDTIntBinOp : SDTypeProfile<1, 2, [ // add, and, or, xor, udiv, etc.
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SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>
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]>;
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def SDTIntShiftOp : SDTypeProfile<1, 2, [ // shl, sra, srl
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SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2>
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]>;
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def SDTIntBinHiLoOp : SDTypeProfile<2, 2, [ // mulhi, mullo, sdivrem, udivrem
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SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,SDTCisInt<0>
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]>;
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def SDTFPBinOp : SDTypeProfile<1, 2, [ // fadd, fmul, etc.
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SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0>
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]>;
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def SDTFPSignOp : SDTypeProfile<1, 2, [ // fcopysign.
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SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisFP<2>
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]>;
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def SDTFPTernaryOp : SDTypeProfile<1, 3, [ // fmadd, fnmsub, etc.
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SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisFP<0>
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]>;
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def SDTIntUnaryOp : SDTypeProfile<1, 1, [ // ctlz
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SDTCisSameAs<0, 1>, SDTCisInt<0>
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]>;
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def SDTIntExtendOp : SDTypeProfile<1, 1, [ // sext, zext, anyext
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SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>
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]>;
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def SDTIntTruncOp : SDTypeProfile<1, 1, [ // trunc
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SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<0, 1>
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]>;
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def SDTFPUnaryOp : SDTypeProfile<1, 1, [ // fneg, fsqrt, etc
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SDTCisSameAs<0, 1>, SDTCisFP<0>
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]>;
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def SDTFPRoundOp : SDTypeProfile<1, 1, [ // fround
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SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<0, 1>
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]>;
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def SDTFPExtendOp : SDTypeProfile<1, 1, [ // fextend
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SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0>
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]>;
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def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp
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SDTCisFP<0>, SDTCisInt<1>
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]>;
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def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int
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SDTCisInt<0>, SDTCisFP<1>
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]>;
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def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg
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SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisVT<2, OtherVT>,
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SDTCisVTSmallerThanOp<2, 1>
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]>;
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def SDTSetCC : SDTypeProfile<1, 3, [ // setcc
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SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
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]>;
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def SDTSelect : SDTypeProfile<1, 3, [ // select
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SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
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]>;
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def SDTSelectCC : SDTypeProfile<1, 5, [ // select_cc
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SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>, SDTCisSameAs<0, 3>,
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SDTCisVT<5, OtherVT>
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]>;
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def SDTBr : SDTypeProfile<0, 1, [ // br
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SDTCisVT<0, OtherVT>
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]>;
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def SDTBrcond : SDTypeProfile<0, 2, [ // brcond
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SDTCisInt<0>, SDTCisVT<1, OtherVT>
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]>;
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def SDTBrind : SDTypeProfile<0, 1, [ // brind
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SDTCisPtrTy<0>
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]>;
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def SDTNone : SDTypeProfile<0, 0, []>; // ret, trap
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def SDTLoad : SDTypeProfile<1, 1, [ // load
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SDTCisPtrTy<1>
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]>;
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def SDTStore : SDTypeProfile<0, 2, [ // store
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SDTCisPtrTy<1>
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]>;
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def SDTIStore : SDTypeProfile<1, 3, [ // indexed store
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SDTCisSameAs<0, 2>, SDTCisPtrTy<0>, SDTCisPtrTy<3>
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]>;
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def SDTVecShuffle : SDTypeProfile<1, 2, [
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SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>
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]>;
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def SDTVecExtract : SDTypeProfile<1, 2, [ // vector extract
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SDTCisEltOfVec<0, 1>, SDTCisPtrTy<2>
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]>;
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def SDTVecInsert : SDTypeProfile<1, 3, [ // vector insert
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SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3>
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]>;
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def SDTPrefetch : SDTypeProfile<0, 3, [ // prefetch
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SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisInt<1>
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]>;
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def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barier
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SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>,
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SDTCisInt<0>
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]>;
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def SDTAtomic3 : SDTypeProfile<1, 3, [
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SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1>
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]>;
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def SDTAtomic2 : SDTypeProfile<1, 2, [
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SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1>
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]>;
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def SDTConvertOp : SDTypeProfile<1, 5, [ //cvtss, su, us, uu, ff, fs, fu, sf, su
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SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, SDTCisPtrTy<4>, SDTCisPtrTy<5>
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]>;
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class SDCallSeqStart<list<SDTypeConstraint> constraints> :
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SDTypeProfile<0, 1, constraints>;
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class SDCallSeqEnd<list<SDTypeConstraint> constraints> :
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SDTypeProfile<0, 2, constraints>;
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//===----------------------------------------------------------------------===//
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// Selection DAG Node Properties.
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//
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// Note: These are hard coded into tblgen.
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//
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class SDNodeProperty;
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def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
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def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
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def SDNPHasChain : SDNodeProperty; // R/W chain operand and result
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def SDNPOutFlag : SDNodeProperty; // Write a flag result
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def SDNPInFlag : SDNodeProperty; // Read a flag operand
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def SDNPOptInFlag : SDNodeProperty; // Optionally read a flag operand
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def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'.
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def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
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def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
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def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
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def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
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def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match
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def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent
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//===----------------------------------------------------------------------===//
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// Selection DAG Pattern Operations
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class SDPatternOperator;
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//===----------------------------------------------------------------------===//
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// Selection DAG Node definitions.
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//
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class SDNode<string opcode, SDTypeProfile typeprof,
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list<SDNodeProperty> props = [], string sdclass = "SDNode">
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: SDPatternOperator {
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string Opcode = opcode;
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string SDClass = sdclass;
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list<SDNodeProperty> Properties = props;
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SDTypeProfile TypeProfile = typeprof;
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}
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// Special TableGen-recognized dag nodes
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def set;
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def implicit;
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def node;
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def srcvalue;
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def imm : SDNode<"ISD::Constant" , SDTIntLeaf , [], "ConstantSDNode">;
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def timm : SDNode<"ISD::TargetConstant",SDTIntLeaf, [], "ConstantSDNode">;
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def fpimm : SDNode<"ISD::ConstantFP", SDTFPLeaf , [], "ConstantFPSDNode">;
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def vt : SDNode<"ISD::VALUETYPE" , SDTOther , [], "VTSDNode">;
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def bb : SDNode<"ISD::BasicBlock", SDTOther , [], "BasicBlockSDNode">;
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def cond : SDNode<"ISD::CONDCODE" , SDTOther , [], "CondCodeSDNode">;
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def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>;
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def globaladdr : SDNode<"ISD::GlobalAddress", SDTPtrLeaf, [],
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"GlobalAddressSDNode">;
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def tglobaladdr : SDNode<"ISD::TargetGlobalAddress", SDTPtrLeaf, [],
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"GlobalAddressSDNode">;
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def globaltlsaddr : SDNode<"ISD::GlobalTLSAddress", SDTPtrLeaf, [],
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"GlobalAddressSDNode">;
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def tglobaltlsaddr : SDNode<"ISD::TargetGlobalTLSAddress", SDTPtrLeaf, [],
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"GlobalAddressSDNode">;
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def constpool : SDNode<"ISD::ConstantPool", SDTPtrLeaf, [],
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"ConstantPoolSDNode">;
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def tconstpool : SDNode<"ISD::TargetConstantPool", SDTPtrLeaf, [],
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"ConstantPoolSDNode">;
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def jumptable : SDNode<"ISD::JumpTable", SDTPtrLeaf, [],
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"JumpTableSDNode">;
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def tjumptable : SDNode<"ISD::TargetJumpTable", SDTPtrLeaf, [],
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"JumpTableSDNode">;
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def frameindex : SDNode<"ISD::FrameIndex", SDTPtrLeaf, [],
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"FrameIndexSDNode">;
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def tframeindex : SDNode<"ISD::TargetFrameIndex", SDTPtrLeaf, [],
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"FrameIndexSDNode">;
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def externalsym : SDNode<"ISD::ExternalSymbol", SDTPtrLeaf, [],
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"ExternalSymbolSDNode">;
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def texternalsym: SDNode<"ISD::TargetExternalSymbol", SDTPtrLeaf, [],
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"ExternalSymbolSDNode">;
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def blockaddress : SDNode<"ISD::BlockAddress", SDTPtrLeaf, [],
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"BlockAddressSDNode">;
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def tblockaddress: SDNode<"ISD::TargetBlockAddress", SDTPtrLeaf, [],
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"BlockAddressSDNode">;
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def add : SDNode<"ISD::ADD" , SDTIntBinOp ,
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[SDNPCommutative, SDNPAssociative]>;
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def sub : SDNode<"ISD::SUB" , SDTIntBinOp>;
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def mul : SDNode<"ISD::MUL" , SDTIntBinOp,
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[SDNPCommutative, SDNPAssociative]>;
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def mulhs : SDNode<"ISD::MULHS" , SDTIntBinOp, [SDNPCommutative]>;
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def mulhu : SDNode<"ISD::MULHU" , SDTIntBinOp, [SDNPCommutative]>;
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def smullohi : SDNode<"ISD::SMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
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def umullohi : SDNode<"ISD::UMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
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def sdiv : SDNode<"ISD::SDIV" , SDTIntBinOp>;
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def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>;
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def srem : SDNode<"ISD::SREM" , SDTIntBinOp>;
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def urem : SDNode<"ISD::UREM" , SDTIntBinOp>;
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def sdivrem : SDNode<"ISD::SDIVREM" , SDTIntBinHiLoOp>;
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def udivrem : SDNode<"ISD::UDIVREM" , SDTIntBinHiLoOp>;
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def srl : SDNode<"ISD::SRL" , SDTIntShiftOp>;
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def sra : SDNode<"ISD::SRA" , SDTIntShiftOp>;
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def shl : SDNode<"ISD::SHL" , SDTIntShiftOp>;
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def rotl : SDNode<"ISD::ROTL" , SDTIntShiftOp>;
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def rotr : SDNode<"ISD::ROTR" , SDTIntShiftOp>;
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def and : SDNode<"ISD::AND" , SDTIntBinOp,
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[SDNPCommutative, SDNPAssociative]>;
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def or : SDNode<"ISD::OR" , SDTIntBinOp,
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[SDNPCommutative, SDNPAssociative]>;
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def xor : SDNode<"ISD::XOR" , SDTIntBinOp,
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[SDNPCommutative, SDNPAssociative]>;
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def addc : SDNode<"ISD::ADDC" , SDTIntBinOp,
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[SDNPCommutative, SDNPOutFlag]>;
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def adde : SDNode<"ISD::ADDE" , SDTIntBinOp,
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[SDNPCommutative, SDNPOutFlag, SDNPInFlag]>;
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def subc : SDNode<"ISD::SUBC" , SDTIntBinOp,
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[SDNPOutFlag]>;
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def sube : SDNode<"ISD::SUBE" , SDTIntBinOp,
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[SDNPOutFlag, SDNPInFlag]>;
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def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>;
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def bswap : SDNode<"ISD::BSWAP" , SDTIntUnaryOp>;
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def ctlz : SDNode<"ISD::CTLZ" , SDTIntUnaryOp>;
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def cttz : SDNode<"ISD::CTTZ" , SDTIntUnaryOp>;
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def ctpop : SDNode<"ISD::CTPOP" , SDTIntUnaryOp>;
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def sext : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>;
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def zext : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>;
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def anyext : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>;
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def trunc : SDNode<"ISD::TRUNCATE" , SDTIntTruncOp>;
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def bitconvert : SDNode<"ISD::BIT_CONVERT", SDTUnaryOp>;
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def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>;
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def insertelt : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>;
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def fadd : SDNode<"ISD::FADD" , SDTFPBinOp, [SDNPCommutative]>;
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def fsub : SDNode<"ISD::FSUB" , SDTFPBinOp>;
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def fmul : SDNode<"ISD::FMUL" , SDTFPBinOp, [SDNPCommutative]>;
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def fdiv : SDNode<"ISD::FDIV" , SDTFPBinOp>;
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def frem : SDNode<"ISD::FREM" , SDTFPBinOp>;
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def fabs : SDNode<"ISD::FABS" , SDTFPUnaryOp>;
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def fneg : SDNode<"ISD::FNEG" , SDTFPUnaryOp>;
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def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>;
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def fsin : SDNode<"ISD::FSIN" , SDTFPUnaryOp>;
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def fcos : SDNode<"ISD::FCOS" , SDTFPUnaryOp>;
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def fexp2 : SDNode<"ISD::FEXP2" , SDTFPUnaryOp>;
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def flog2 : SDNode<"ISD::FLOG2" , SDTFPUnaryOp>;
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def frint : SDNode<"ISD::FRINT" , SDTFPUnaryOp>;
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def ftrunc : SDNode<"ISD::FTRUNC" , SDTFPUnaryOp>;
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def fceil : SDNode<"ISD::FCEIL" , SDTFPUnaryOp>;
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def ffloor : SDNode<"ISD::FFLOOR" , SDTFPUnaryOp>;
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def fnearbyint : SDNode<"ISD::FNEARBYINT" , SDTFPUnaryOp>;
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def fround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>;
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def fextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>;
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def fcopysign : SDNode<"ISD::FCOPYSIGN" , SDTFPSignOp>;
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def sint_to_fp : SDNode<"ISD::SINT_TO_FP" , SDTIntToFPOp>;
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def uint_to_fp : SDNode<"ISD::UINT_TO_FP" , SDTIntToFPOp>;
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def fp_to_sint : SDNode<"ISD::FP_TO_SINT" , SDTFPToIntOp>;
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def fp_to_uint : SDNode<"ISD::FP_TO_UINT" , SDTFPToIntOp>;
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def f16_to_f32 : SDNode<"ISD::FP16_TO_FP32", SDTIntToFPOp>;
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def f32_to_f16 : SDNode<"ISD::FP32_TO_FP16", SDTFPToIntOp>;
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def setcc : SDNode<"ISD::SETCC" , SDTSetCC>;
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def select : SDNode<"ISD::SELECT" , SDTSelect>;
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def selectcc : SDNode<"ISD::SELECT_CC" , SDTSelectCC>;
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def vsetcc : SDNode<"ISD::VSETCC" , SDTSetCC>;
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def brcond : SDNode<"ISD::BRCOND" , SDTBrcond, [SDNPHasChain]>;
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def brind : SDNode<"ISD::BRIND" , SDTBrind, [SDNPHasChain]>;
|
|
def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>;
|
|
def trap : SDNode<"ISD::TRAP" , SDTNone,
|
|
[SDNPHasChain, SDNPSideEffect]>;
|
|
|
|
def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch,
|
|
[SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
|
|
|
|
def membarrier : SDNode<"ISD::MEMBARRIER" , SDTMemBarrier,
|
|
[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_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]>;
|
|
|
|
// 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, []>,
|
|
[]>;
|
|
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>]>, []>;
|
|
|
|
// 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>]>, []>;
|
|
|
|
// Do not use cvt directly. Use cvt forms below
|
|
def cvt : SDNode<"ISD::CONVERT_RNDSAT", SDTConvertOp>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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, [{}]>;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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.
|
|
//
|
|
|
|
/// PatFrag - Represents a pattern fragment. This can match something on the
|
|
/// DAG, from a single node to multiple nested other fragments.
|
|
///
|
|
class PatFrag<dag ops, dag frag, code pred = [{}],
|
|
SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator {
|
|
dag Operands = ops;
|
|
dag Fragment = frag;
|
|
code Predicate = pred;
|
|
SDNodeXForm OperandTransform = xform;
|
|
}
|
|
|
|
// 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>;
|
|
|
|
// 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)>;
|
|
|
|
// load fragments.
|
|
def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
|
|
}]>;
|
|
def load : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD;
|
|
}]>;
|
|
|
|
// extending load fragments.
|
|
def extload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD;
|
|
}]>;
|
|
def sextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD;
|
|
}]>;
|
|
def zextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
|
|
}]>;
|
|
|
|
def extloadi1 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
|
|
}]>;
|
|
def extloadi8 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def extloadi16 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def extloadi32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def extloadf32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f32;
|
|
}]>;
|
|
def extloadf64 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f64;
|
|
}]>;
|
|
|
|
def sextloadi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
|
|
}]>;
|
|
def sextloadi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def sextloadi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def sextloadi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
|
|
def zextloadi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
|
|
}]>;
|
|
def zextloadi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def zextloadi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def zextloadi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
|
|
return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
|
|
// store fragments.
|
|
def unindexedstore : PatFrag<(ops node:$val, node:$ptr),
|
|
(st node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
|
|
}]>;
|
|
def store : PatFrag<(ops node:$val, node:$ptr),
|
|
(unindexedstore node:$val, node:$ptr), [{
|
|
return !cast<StoreSDNode>(N)->isTruncatingStore();
|
|
}]>;
|
|
|
|
// truncstore fragments.
|
|
def truncstore : PatFrag<(ops node:$val, node:$ptr),
|
|
(unindexedstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->isTruncatingStore();
|
|
}]>;
|
|
def truncstorei8 : PatFrag<(ops node:$val, node:$ptr),
|
|
(truncstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def truncstorei16 : PatFrag<(ops node:$val, node:$ptr),
|
|
(truncstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def truncstorei32 : PatFrag<(ops node:$val, node:$ptr),
|
|
(truncstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def truncstoref32 : PatFrag<(ops node:$val, node:$ptr),
|
|
(truncstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
|
|
}]>;
|
|
def truncstoref64 : PatFrag<(ops node:$val, node:$ptr),
|
|
(truncstore node:$val, node:$ptr), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f64;
|
|
}]>;
|
|
|
|
// indexed store fragments.
|
|
def istore : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(ist node:$val, node:$base, node:$offset), [{
|
|
return !cast<StoreSDNode>(N)->isTruncatingStore();
|
|
}]>;
|
|
|
|
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), [{
|
|
return cast<StoreSDNode>(N)->isTruncatingStore();
|
|
}]>;
|
|
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), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
|
|
}]>;
|
|
def pre_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(pre_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def pre_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(pre_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def pre_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(pre_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def pre_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(pre_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::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), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
|
|
}]>;
|
|
def post_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(post_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def post_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(post_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def post_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(post_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def post_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
|
|
(post_truncst node:$val, node:$base, node:$offset), [{
|
|
return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
|
|
}]>;
|
|
|
|
// 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)>;
|
|
|
|
def atomic_cmp_swap_8 :
|
|
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
|
|
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def atomic_cmp_swap_16 :
|
|
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
|
|
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def atomic_cmp_swap_32 :
|
|
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
|
|
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def atomic_cmp_swap_64 :
|
|
PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
|
|
(atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
|
|
}]>;
|
|
|
|
multiclass binary_atomic_op<SDNode atomic_op> {
|
|
def _8 : PatFrag<(ops node:$ptr, node:$val),
|
|
(atomic_op node:$ptr, node:$val), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
|
|
}]>;
|
|
def _16 : PatFrag<(ops node:$ptr, node:$val),
|
|
(atomic_op node:$ptr, node:$val), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
|
|
}]>;
|
|
def _32 : PatFrag<(ops node:$ptr, node:$val),
|
|
(atomic_op node:$ptr, node:$val), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
|
|
}]>;
|
|
def _64 : PatFrag<(ops node:$ptr, node:$val),
|
|
(atomic_op node:$ptr, node:$val), [{
|
|
return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
|
|
}]>;
|
|
}
|
|
|
|
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_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>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Selection DAG CONVERT_RNDSAT patterns
|
|
|
|
def cvtff : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FF;
|
|
}]>;
|
|
|
|
def cvtss : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SS;
|
|
}]>;
|
|
|
|
def cvtsu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SU;
|
|
}]>;
|
|
|
|
def cvtus : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_US;
|
|
}]>;
|
|
|
|
def cvtuu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UU;
|
|
}]>;
|
|
|
|
def cvtsf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SF;
|
|
}]>;
|
|
|
|
def cvtuf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UF;
|
|
}]>;
|
|
|
|
def cvtfs : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FS;
|
|
}]>;
|
|
|
|
def cvtfu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
|
|
(cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
|
|
return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FU;
|
|
}]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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 = []> {
|
|
ValueType Ty = ty;
|
|
int NumOperands = numops;
|
|
string SelectFunc = fn;
|
|
list<SDNode> RootNodes = roots;
|
|
list<SDNodeProperty> Properties = props;
|
|
}
|