1 //===- TargetSelectionDAG.td - Common code for DAG isels ---*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the target-independent interfaces used by SelectionDAG
11 // instruction selection generators.
13 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // Selection DAG Type Constraint definitions.
18 // Note that the semantics of these constraints are hard coded into tblgen. To
19 // modify or add constraints, you have to hack tblgen.
22 class SDTypeConstraint<int opnum> {
23 int OperandNum = opnum;
26 // SDTCisVT - The specified operand has exactly this VT.
27 class SDTCisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> {
31 class SDTCisPtrTy<int OpNum> : SDTypeConstraint<OpNum>;
33 // SDTCisInt - The specified operand has integer type.
34 class SDTCisInt<int OpNum> : SDTypeConstraint<OpNum>;
36 // SDTCisFP - The specified operand has floating-point type.
37 class SDTCisFP<int OpNum> : SDTypeConstraint<OpNum>;
39 // SDTCisVec - The specified operand has a vector type.
40 class SDTCisVec<int OpNum> : SDTypeConstraint<OpNum>;
42 // SDTCisSameAs - The two specified operands have identical types.
43 class SDTCisSameAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
44 int OtherOperandNum = OtherOp;
47 // SDTCisVTSmallerThanOp - The specified operand is a VT SDNode, and its type is
48 // smaller than the 'Other' operand.
49 class SDTCisVTSmallerThanOp<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
50 int OtherOperandNum = OtherOp;
53 class SDTCisOpSmallerThanOp<int SmallOp, int BigOp> : SDTypeConstraint<SmallOp>{
54 int BigOperandNum = BigOp;
57 /// SDTCisEltOfVec - This indicates that ThisOp is a scalar type of the same
58 /// type as the element type of OtherOp, which is a vector type.
59 class SDTCisEltOfVec<int ThisOp, int OtherOp>
60 : SDTypeConstraint<ThisOp> {
61 int OtherOpNum = OtherOp;
64 /// SDTCisSubVecOfVec - This indicates that ThisOp is a vector type
65 /// with length less that of OtherOp, which is a vector type.
66 class SDTCisSubVecOfVec<int ThisOp, int OtherOp>
67 : SDTypeConstraint<ThisOp> {
68 int OtherOpNum = OtherOp;
71 // SDTCVecEltisVT - The specified operand is vector type with element type
73 class SDTCVecEltisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> {
77 // SDTCisSameNumEltsAs - The two specified operands have identical number
79 class SDTCisSameNumEltsAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
80 int OtherOperandNum = OtherOp;
83 //===----------------------------------------------------------------------===//
84 // Selection DAG Type Profile definitions.
86 // These use the constraints defined above to describe the type requirements of
87 // the various nodes. These are not hard coded into tblgen, allowing targets to
88 // add their own if needed.
91 // SDTypeProfile - This profile describes the type requirements of a Selection
93 class SDTypeProfile<int numresults, int numoperands,
94 list<SDTypeConstraint> constraints> {
95 int NumResults = numresults;
96 int NumOperands = numoperands;
97 list<SDTypeConstraint> Constraints = constraints;
101 def SDTIntLeaf: SDTypeProfile<1, 0, [SDTCisInt<0>]>; // for 'imm'.
102 def SDTFPLeaf : SDTypeProfile<1, 0, [SDTCisFP<0>]>; // for 'fpimm'.
103 def SDTPtrLeaf: SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; // for '&g'.
104 def SDTOther : SDTypeProfile<1, 0, [SDTCisVT<0, OtherVT>]>; // for 'vt'.
105 def SDTUNDEF : SDTypeProfile<1, 0, []>; // for 'undef'.
106 def SDTUnaryOp : SDTypeProfile<1, 1, []>; // for bitconvert.
108 def SDTIntBinOp : SDTypeProfile<1, 2, [ // add, and, or, xor, udiv, etc.
109 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>
111 def SDTIntShiftOp : SDTypeProfile<1, 2, [ // shl, sra, srl
112 SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2>
114 def SDTIntBinHiLoOp : SDTypeProfile<2, 2, [ // mulhi, mullo, sdivrem, udivrem
115 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,SDTCisInt<0>
118 def SDTFPBinOp : SDTypeProfile<1, 2, [ // fadd, fmul, etc.
119 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0>
121 def SDTFPSignOp : SDTypeProfile<1, 2, [ // fcopysign.
122 SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisFP<2>
124 def SDTFPTernaryOp : SDTypeProfile<1, 3, [ // fmadd, fnmsub, etc.
125 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisFP<0>
127 def SDTIntUnaryOp : SDTypeProfile<1, 1, [ // ctlz
128 SDTCisSameAs<0, 1>, SDTCisInt<0>
130 def SDTIntExtendOp : SDTypeProfile<1, 1, [ // sext, zext, anyext
131 SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>
133 def SDTIntTruncOp : SDTypeProfile<1, 1, [ // trunc
134 SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<0, 1>
136 def SDTFPUnaryOp : SDTypeProfile<1, 1, [ // fneg, fsqrt, etc
137 SDTCisSameAs<0, 1>, SDTCisFP<0>
139 def SDTFPRoundOp : SDTypeProfile<1, 1, [ // fround
140 SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<0, 1>
142 def SDTFPExtendOp : SDTypeProfile<1, 1, [ // fextend
143 SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0>
145 def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp
146 SDTCisFP<0>, SDTCisInt<1>
148 def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int
149 SDTCisInt<0>, SDTCisFP<1>
151 def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg
152 SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisVT<2, OtherVT>,
153 SDTCisVTSmallerThanOp<2, 1>
156 def SDTSetCC : SDTypeProfile<1, 3, [ // setcc
157 SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
160 def SDTSelect : SDTypeProfile<1, 3, [ // select
161 SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
164 def SDTVSelect : SDTypeProfile<1, 3, [ // vselect
165 SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
168 def SDTSelectCC : SDTypeProfile<1, 5, [ // select_cc
169 SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>, SDTCisSameAs<0, 3>,
173 def SDTBr : SDTypeProfile<0, 1, [ // br
177 def SDTBrCC : SDTypeProfile<0, 4, [ // brcc
178 SDTCisVT<0, OtherVT>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
181 def SDTBrcond : SDTypeProfile<0, 2, [ // brcond
182 SDTCisInt<0>, SDTCisVT<1, OtherVT>
185 def SDTBrind : SDTypeProfile<0, 1, [ // brind
189 def SDTCatchret : SDTypeProfile<0, 2, [ // catchret
190 SDTCisVT<0, OtherVT>, SDTCisVT<1, OtherVT>
193 def SDTNone : SDTypeProfile<0, 0, []>; // ret, trap
195 def SDTLoad : SDTypeProfile<1, 1, [ // load
199 def SDTStore : SDTypeProfile<0, 2, [ // store
203 def SDTIStore : SDTypeProfile<1, 3, [ // indexed store
204 SDTCisSameAs<0, 2>, SDTCisPtrTy<0>, SDTCisPtrTy<3>
207 def SDTMaskedStore: SDTypeProfile<0, 3, [ // masked store
208 SDTCisPtrTy<0>, SDTCisVec<1>, SDTCisVec<2>
211 def SDTMaskedLoad: SDTypeProfile<1, 3, [ // masked load
212 SDTCisVec<0>, SDTCisPtrTy<1>, SDTCisVec<2>, SDTCisSameAs<0, 3>
215 def SDTMaskedGather: SDTypeProfile<2, 3, [ // masked gather
216 SDTCisVec<0>, SDTCisVec<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<1, 3>,
217 SDTCisPtrTy<4>, SDTCVecEltisVT<1, i1>, SDTCisSameNumEltsAs<0, 1>
220 def SDTMaskedScatter: SDTypeProfile<1, 3, [ // masked scatter
221 SDTCisVec<0>, SDTCisVec<1>, SDTCisSameAs<0, 2>, SDTCisSameNumEltsAs<0, 1>,
222 SDTCVecEltisVT<0, i1>, SDTCisPtrTy<3>
225 def SDTVecShuffle : SDTypeProfile<1, 2, [
226 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>
228 def SDTVecExtract : SDTypeProfile<1, 2, [ // vector extract
229 SDTCisEltOfVec<0, 1>, SDTCisPtrTy<2>
231 def SDTVecInsert : SDTypeProfile<1, 3, [ // vector insert
232 SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3>
235 def SDTSubVecExtract : SDTypeProfile<1, 2, [// subvector extract
236 SDTCisSubVecOfVec<0,1>, SDTCisInt<2>
238 def SDTSubVecInsert : SDTypeProfile<1, 3, [ // subvector insert
239 SDTCisSubVecOfVec<2, 1>, SDTCisSameAs<0,1>, SDTCisInt<3>
242 def SDTPrefetch : SDTypeProfile<0, 4, [ // prefetch
243 SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisSameAs<1, 3>, SDTCisInt<1>
246 def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barrier
247 SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>,
250 def SDTAtomicFence : SDTypeProfile<0, 2, [
251 SDTCisSameAs<0,1>, SDTCisPtrTy<0>
253 def SDTAtomic3 : SDTypeProfile<1, 3, [
254 SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1>
256 def SDTAtomic2 : SDTypeProfile<1, 2, [
257 SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1>
259 def SDTAtomicStore : SDTypeProfile<0, 2, [
260 SDTCisPtrTy<0>, SDTCisInt<1>
262 def SDTAtomicLoad : SDTypeProfile<1, 1, [
263 SDTCisInt<0>, SDTCisPtrTy<1>
266 def SDTConvertOp : SDTypeProfile<1, 5, [ //cvtss, su, us, uu, ff, fs, fu, sf, su
267 SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, SDTCisPtrTy<4>, SDTCisPtrTy<5>
270 class SDCallSeqStart<list<SDTypeConstraint> constraints> :
271 SDTypeProfile<0, 1, constraints>;
272 class SDCallSeqEnd<list<SDTypeConstraint> constraints> :
273 SDTypeProfile<0, 2, constraints>;
275 //===----------------------------------------------------------------------===//
276 // Selection DAG Node Properties.
278 // Note: These are hard coded into tblgen.
280 class SDNodeProperty;
281 def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
282 def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
283 def SDNPHasChain : SDNodeProperty; // R/W chain operand and result
284 def SDNPOutGlue : SDNodeProperty; // Write a flag result
285 def SDNPInGlue : SDNodeProperty; // Read a flag operand
286 def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand
287 def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'.
288 def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
289 def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
290 def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
291 def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
292 def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match
293 def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent
295 //===----------------------------------------------------------------------===//
296 // Selection DAG Pattern Operations
297 class SDPatternOperator;
299 //===----------------------------------------------------------------------===//
300 // Selection DAG Node definitions.
302 class SDNode<string opcode, SDTypeProfile typeprof,
303 list<SDNodeProperty> props = [], string sdclass = "SDNode">
304 : SDPatternOperator {
305 string Opcode = opcode;
306 string SDClass = sdclass;
307 list<SDNodeProperty> Properties = props;
308 SDTypeProfile TypeProfile = typeprof;
311 // Special TableGen-recognized dag nodes
317 def imm : SDNode<"ISD::Constant" , SDTIntLeaf , [], "ConstantSDNode">;
318 def timm : SDNode<"ISD::TargetConstant",SDTIntLeaf, [], "ConstantSDNode">;
319 def fpimm : SDNode<"ISD::ConstantFP", SDTFPLeaf , [], "ConstantFPSDNode">;
320 def vt : SDNode<"ISD::VALUETYPE" , SDTOther , [], "VTSDNode">;
321 def bb : SDNode<"ISD::BasicBlock", SDTOther , [], "BasicBlockSDNode">;
322 def cond : SDNode<"ISD::CONDCODE" , SDTOther , [], "CondCodeSDNode">;
323 def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>;
324 def globaladdr : SDNode<"ISD::GlobalAddress", SDTPtrLeaf, [],
325 "GlobalAddressSDNode">;
326 def tglobaladdr : SDNode<"ISD::TargetGlobalAddress", SDTPtrLeaf, [],
327 "GlobalAddressSDNode">;
328 def globaltlsaddr : SDNode<"ISD::GlobalTLSAddress", SDTPtrLeaf, [],
329 "GlobalAddressSDNode">;
330 def tglobaltlsaddr : SDNode<"ISD::TargetGlobalTLSAddress", SDTPtrLeaf, [],
331 "GlobalAddressSDNode">;
332 def constpool : SDNode<"ISD::ConstantPool", SDTPtrLeaf, [],
333 "ConstantPoolSDNode">;
334 def tconstpool : SDNode<"ISD::TargetConstantPool", SDTPtrLeaf, [],
335 "ConstantPoolSDNode">;
336 def jumptable : SDNode<"ISD::JumpTable", SDTPtrLeaf, [],
338 def tjumptable : SDNode<"ISD::TargetJumpTable", SDTPtrLeaf, [],
340 def frameindex : SDNode<"ISD::FrameIndex", SDTPtrLeaf, [],
342 def tframeindex : SDNode<"ISD::TargetFrameIndex", SDTPtrLeaf, [],
344 def externalsym : SDNode<"ISD::ExternalSymbol", SDTPtrLeaf, [],
345 "ExternalSymbolSDNode">;
346 def texternalsym: SDNode<"ISD::TargetExternalSymbol", SDTPtrLeaf, [],
347 "ExternalSymbolSDNode">;
348 def mcsym: SDNode<"ISD::MCSymbol", SDTPtrLeaf, [], "MCSymbolSDNode">;
349 def blockaddress : SDNode<"ISD::BlockAddress", SDTPtrLeaf, [],
350 "BlockAddressSDNode">;
351 def tblockaddress: SDNode<"ISD::TargetBlockAddress", SDTPtrLeaf, [],
352 "BlockAddressSDNode">;
354 def add : SDNode<"ISD::ADD" , SDTIntBinOp ,
355 [SDNPCommutative, SDNPAssociative]>;
356 def sub : SDNode<"ISD::SUB" , SDTIntBinOp>;
357 def mul : SDNode<"ISD::MUL" , SDTIntBinOp,
358 [SDNPCommutative, SDNPAssociative]>;
359 def mulhs : SDNode<"ISD::MULHS" , SDTIntBinOp, [SDNPCommutative]>;
360 def mulhu : SDNode<"ISD::MULHU" , SDTIntBinOp, [SDNPCommutative]>;
361 def smullohi : SDNode<"ISD::SMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
362 def umullohi : SDNode<"ISD::UMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
363 def sdiv : SDNode<"ISD::SDIV" , SDTIntBinOp>;
364 def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>;
365 def srem : SDNode<"ISD::SREM" , SDTIntBinOp>;
366 def urem : SDNode<"ISD::UREM" , SDTIntBinOp>;
367 def sdivrem : SDNode<"ISD::SDIVREM" , SDTIntBinHiLoOp>;
368 def udivrem : SDNode<"ISD::UDIVREM" , SDTIntBinHiLoOp>;
369 def srl : SDNode<"ISD::SRL" , SDTIntShiftOp>;
370 def sra : SDNode<"ISD::SRA" , SDTIntShiftOp>;
371 def shl : SDNode<"ISD::SHL" , SDTIntShiftOp>;
372 def rotl : SDNode<"ISD::ROTL" , SDTIntShiftOp>;
373 def rotr : SDNode<"ISD::ROTR" , SDTIntShiftOp>;
374 def and : SDNode<"ISD::AND" , SDTIntBinOp,
375 [SDNPCommutative, SDNPAssociative]>;
376 def or : SDNode<"ISD::OR" , SDTIntBinOp,
377 [SDNPCommutative, SDNPAssociative]>;
378 def xor : SDNode<"ISD::XOR" , SDTIntBinOp,
379 [SDNPCommutative, SDNPAssociative]>;
380 def addc : SDNode<"ISD::ADDC" , SDTIntBinOp,
381 [SDNPCommutative, SDNPOutGlue]>;
382 def adde : SDNode<"ISD::ADDE" , SDTIntBinOp,
383 [SDNPCommutative, SDNPOutGlue, SDNPInGlue]>;
384 def subc : SDNode<"ISD::SUBC" , SDTIntBinOp,
386 def sube : SDNode<"ISD::SUBE" , SDTIntBinOp,
387 [SDNPOutGlue, SDNPInGlue]>;
388 def smin : SDNode<"ISD::SMIN" , SDTIntBinOp>;
389 def smax : SDNode<"ISD::SMAX" , SDTIntBinOp>;
390 def umin : SDNode<"ISD::UMIN" , SDTIntBinOp>;
391 def umax : SDNode<"ISD::UMAX" , SDTIntBinOp>;
393 def sabsdiff : SDNode<"ISD::SABSDIFF" , SDTIntBinOp>;
394 def uabsdiff : SDNode<"ISD::UABSDIFF" , SDTIntBinOp>;
395 def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>;
396 def bswap : SDNode<"ISD::BSWAP" , SDTIntUnaryOp>;
397 def ctlz : SDNode<"ISD::CTLZ" , SDTIntUnaryOp>;
398 def cttz : SDNode<"ISD::CTTZ" , SDTIntUnaryOp>;
399 def ctpop : SDNode<"ISD::CTPOP" , SDTIntUnaryOp>;
400 def ctlz_zero_undef : SDNode<"ISD::CTLZ_ZERO_UNDEF", SDTIntUnaryOp>;
401 def cttz_zero_undef : SDNode<"ISD::CTTZ_ZERO_UNDEF", SDTIntUnaryOp>;
402 def sext : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>;
403 def zext : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>;
404 def anyext : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>;
405 def trunc : SDNode<"ISD::TRUNCATE" , SDTIntTruncOp>;
406 def bitconvert : SDNode<"ISD::BITCAST" , SDTUnaryOp>;
407 def addrspacecast : SDNode<"ISD::ADDRSPACECAST", SDTUnaryOp>;
408 def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>;
409 def insertelt : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>;
411 def fadd : SDNode<"ISD::FADD" , SDTFPBinOp, [SDNPCommutative]>;
412 def fsub : SDNode<"ISD::FSUB" , SDTFPBinOp>;
413 def fmul : SDNode<"ISD::FMUL" , SDTFPBinOp, [SDNPCommutative]>;
414 def fdiv : SDNode<"ISD::FDIV" , SDTFPBinOp>;
415 def frem : SDNode<"ISD::FREM" , SDTFPBinOp>;
416 def fma : SDNode<"ISD::FMA" , SDTFPTernaryOp>;
417 def fmad : SDNode<"ISD::FMAD" , SDTFPTernaryOp>;
418 def fabs : SDNode<"ISD::FABS" , SDTFPUnaryOp>;
419 def fminnum : SDNode<"ISD::FMINNUM" , SDTFPBinOp>;
420 def fmaxnum : SDNode<"ISD::FMAXNUM" , SDTFPBinOp>;
421 def fminnan : SDNode<"ISD::FMINNAN" , SDTFPBinOp>;
422 def fmaxnan : SDNode<"ISD::FMAXNAN" , SDTFPBinOp>;
423 def fgetsign : SDNode<"ISD::FGETSIGN" , SDTFPToIntOp>;
424 def fneg : SDNode<"ISD::FNEG" , SDTFPUnaryOp>;
425 def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>;
426 def fsin : SDNode<"ISD::FSIN" , SDTFPUnaryOp>;
427 def fcos : SDNode<"ISD::FCOS" , SDTFPUnaryOp>;
428 def fexp2 : SDNode<"ISD::FEXP2" , SDTFPUnaryOp>;
429 def fpow : SDNode<"ISD::FPOW" , SDTFPBinOp>;
430 def flog2 : SDNode<"ISD::FLOG2" , SDTFPUnaryOp>;
431 def frint : SDNode<"ISD::FRINT" , SDTFPUnaryOp>;
432 def ftrunc : SDNode<"ISD::FTRUNC" , SDTFPUnaryOp>;
433 def fceil : SDNode<"ISD::FCEIL" , SDTFPUnaryOp>;
434 def ffloor : SDNode<"ISD::FFLOOR" , SDTFPUnaryOp>;
435 def fnearbyint : SDNode<"ISD::FNEARBYINT" , SDTFPUnaryOp>;
436 def frnd : SDNode<"ISD::FROUND" , SDTFPUnaryOp>;
438 def fround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>;
439 def fextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>;
440 def fcopysign : SDNode<"ISD::FCOPYSIGN" , SDTFPSignOp>;
442 def sint_to_fp : SDNode<"ISD::SINT_TO_FP" , SDTIntToFPOp>;
443 def uint_to_fp : SDNode<"ISD::UINT_TO_FP" , SDTIntToFPOp>;
444 def fp_to_sint : SDNode<"ISD::FP_TO_SINT" , SDTFPToIntOp>;
445 def fp_to_uint : SDNode<"ISD::FP_TO_UINT" , SDTFPToIntOp>;
446 def f16_to_fp : SDNode<"ISD::FP16_TO_FP" , SDTIntToFPOp>;
447 def fp_to_f16 : SDNode<"ISD::FP_TO_FP16" , SDTFPToIntOp>;
449 def setcc : SDNode<"ISD::SETCC" , SDTSetCC>;
450 def select : SDNode<"ISD::SELECT" , SDTSelect>;
451 def vselect : SDNode<"ISD::VSELECT" , SDTVSelect>;
452 def selectcc : SDNode<"ISD::SELECT_CC" , SDTSelectCC>;
454 def brcc : SDNode<"ISD::BR_CC" , SDTBrCC, [SDNPHasChain]>;
455 def brcond : SDNode<"ISD::BRCOND" , SDTBrcond, [SDNPHasChain]>;
456 def brind : SDNode<"ISD::BRIND" , SDTBrind, [SDNPHasChain]>;
457 def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>;
458 def catchret : SDNode<"ISD::CATCHRET" , SDTCatchret,
459 [SDNPHasChain, SDNPSideEffect]>;
460 def cleanupret : SDNode<"ISD::CLEANUPRET" , SDTNone, [SDNPHasChain]>;
461 def catchpad : SDNode<"ISD::CATCHPAD" , SDTNone,
462 [SDNPHasChain, SDNPSideEffect]>;
464 def trap : SDNode<"ISD::TRAP" , SDTNone,
465 [SDNPHasChain, SDNPSideEffect]>;
466 def debugtrap : SDNode<"ISD::DEBUGTRAP" , SDTNone,
467 [SDNPHasChain, SDNPSideEffect]>;
469 def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch,
470 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
473 def readcyclecounter : SDNode<"ISD::READCYCLECOUNTER", SDTIntLeaf,
474 [SDNPHasChain, SDNPSideEffect]>;
476 def atomic_fence : SDNode<"ISD::ATOMIC_FENCE" , SDTAtomicFence,
477 [SDNPHasChain, SDNPSideEffect]>;
479 def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3,
480 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
481 def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2,
482 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
483 def atomic_swap : SDNode<"ISD::ATOMIC_SWAP", SDTAtomic2,
484 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
485 def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , SDTAtomic2,
486 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
487 def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , SDTAtomic2,
488 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
489 def atomic_load_or : SDNode<"ISD::ATOMIC_LOAD_OR" , SDTAtomic2,
490 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
491 def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , SDTAtomic2,
492 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
493 def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", SDTAtomic2,
494 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
495 def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", SDTAtomic2,
496 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
497 def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", SDTAtomic2,
498 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
499 def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", SDTAtomic2,
500 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
501 def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", SDTAtomic2,
502 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
503 def atomic_load : SDNode<"ISD::ATOMIC_LOAD", SDTAtomicLoad,
504 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
505 def atomic_store : SDNode<"ISD::ATOMIC_STORE", SDTAtomicStore,
506 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
508 def masked_store : SDNode<"ISD::MSTORE", SDTMaskedStore,
509 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
510 def masked_load : SDNode<"ISD::MLOAD", SDTMaskedLoad,
511 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
512 def masked_scatter : SDNode<"ISD::MSCATTER", SDTMaskedScatter,
513 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
514 def masked_gather : SDNode<"ISD::MGATHER", SDTMaskedGather,
515 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
517 // Do not use ld, st directly. Use load, extload, sextload, zextload, store,
518 // and truncst (see below).
519 def ld : SDNode<"ISD::LOAD" , SDTLoad,
520 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
521 def st : SDNode<"ISD::STORE" , SDTStore,
522 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
523 def ist : SDNode<"ISD::STORE" , SDTIStore,
524 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
526 def vector_shuffle : SDNode<"ISD::VECTOR_SHUFFLE", SDTVecShuffle, []>;
527 def build_vector : SDNode<"ISD::BUILD_VECTOR", SDTypeProfile<1, -1, []>, []>;
528 def scalar_to_vector : SDNode<"ISD::SCALAR_TO_VECTOR", SDTypeProfile<1, 1, []>,
530 def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT",
531 SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>;
532 def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT",
533 SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>;
534 def concat_vectors : SDNode<"ISD::CONCAT_VECTORS",
535 SDTypeProfile<1, 2, [SDTCisSubVecOfVec<1, 0>, SDTCisSameAs<1, 2>]>,[]>;
537 // This operator does not do subvector type checking. The ARM
538 // backend, at least, needs it.
539 def vector_extract_subvec : SDNode<"ISD::EXTRACT_SUBVECTOR",
540 SDTypeProfile<1, 2, [SDTCisInt<2>, SDTCisVec<1>, SDTCisVec<0>]>,
543 // This operator does subvector type checking.
544 def extract_subvector : SDNode<"ISD::EXTRACT_SUBVECTOR", SDTSubVecExtract, []>;
545 def insert_subvector : SDNode<"ISD::INSERT_SUBVECTOR", SDTSubVecInsert, []>;
547 // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use
548 // these internally. Don't reference these directly.
549 def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID",
550 SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>,
552 def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN",
553 SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>,
555 def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN",
556 SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, []>;
558 // Do not use cvt directly. Use cvt forms below
559 def cvt : SDNode<"ISD::CONVERT_RNDSAT", SDTConvertOp>;
561 def SDT_assertext : SDTypeProfile<1, 1,
562 [SDTCisInt<0>, SDTCisInt<1>, SDTCisSameAs<1, 0>]>;
563 def assertsext : SDNode<"ISD::AssertSext", SDT_assertext>;
564 def assertzext : SDNode<"ISD::AssertZext", SDT_assertext>;
567 //===----------------------------------------------------------------------===//
568 // Selection DAG Condition Codes
570 class CondCode; // ISD::CondCode enums
571 def SETOEQ : CondCode; def SETOGT : CondCode;
572 def SETOGE : CondCode; def SETOLT : CondCode; def SETOLE : CondCode;
573 def SETONE : CondCode; def SETO : CondCode; def SETUO : CondCode;
574 def SETUEQ : CondCode; def SETUGT : CondCode; def SETUGE : CondCode;
575 def SETULT : CondCode; def SETULE : CondCode; def SETUNE : CondCode;
577 def SETEQ : CondCode; def SETGT : CondCode; def SETGE : CondCode;
578 def SETLT : CondCode; def SETLE : CondCode; def SETNE : CondCode;
581 //===----------------------------------------------------------------------===//
582 // Selection DAG Node Transformation Functions.
584 // This mechanism allows targets to manipulate nodes in the output DAG once a
585 // match has been formed. This is typically used to manipulate immediate
588 class SDNodeXForm<SDNode opc, code xformFunction> {
590 code XFormFunction = xformFunction;
593 def NOOP_SDNodeXForm : SDNodeXForm<imm, [{}]>;
595 //===----------------------------------------------------------------------===//
596 // PatPred Subclasses.
598 // These allow specifying different sorts of predicates that control whether a
603 class CodePatPred<code predicate> : PatPred {
604 code PredicateCode = predicate;
608 //===----------------------------------------------------------------------===//
609 // Selection DAG Pattern Fragments.
611 // Pattern fragments are reusable chunks of dags that match specific things.
612 // They can take arguments and have C++ predicates that control whether they
613 // match. They are intended to make the patterns for common instructions more
614 // compact and readable.
617 /// PatFrag - Represents a pattern fragment. This can match something on the
618 /// DAG, from a single node to multiple nested other fragments.
620 class PatFrag<dag ops, dag frag, code pred = [{}],
621 SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator {
624 code PredicateCode = pred;
625 code ImmediateCode = [{}];
626 SDNodeXForm OperandTransform = xform;
629 // OutPatFrag is a pattern fragment that is used as part of an output pattern
630 // (not an input pattern). These do not have predicates or transforms, but are
631 // used to avoid repeated subexpressions in output patterns.
632 class OutPatFrag<dag ops, dag frag>
633 : PatFrag<ops, frag, [{}], NOOP_SDNodeXForm>;
635 // PatLeaf's are pattern fragments that have no operands. This is just a helper
636 // to define immediates and other common things concisely.
637 class PatLeaf<dag frag, code pred = [{}], SDNodeXForm xform = NOOP_SDNodeXForm>
638 : PatFrag<(ops), frag, pred, xform>;
641 // ImmLeaf is a pattern fragment with a constraint on the immediate. The
642 // constraint is a function that is run on the immediate (always with the value
643 // sign extended out to an int64_t) as Imm. For example:
645 // def immSExt8 : ImmLeaf<i16, [{ return (char)Imm == Imm; }]>;
647 // this is a more convenient form to match 'imm' nodes in than PatLeaf and also
648 // is preferred over using PatLeaf because it allows the code generator to
649 // reason more about the constraint.
651 // If FastIsel should ignore all instructions that have an operand of this type,
652 // the FastIselShouldIgnore flag can be set. This is an optimization to reduce
653 // the code size of the generated fast instruction selector.
654 class ImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm>
655 : PatFrag<(ops), (vt imm), [{}], xform> {
656 let ImmediateCode = pred;
657 bit FastIselShouldIgnore = 0;
663 def vtInt : PatLeaf<(vt), [{ return N->getVT().isInteger(); }]>;
664 def vtFP : PatLeaf<(vt), [{ return N->getVT().isFloatingPoint(); }]>;
666 def immAllOnesV: PatLeaf<(build_vector), [{
667 return ISD::isBuildVectorAllOnes(N);
669 def immAllZerosV: PatLeaf<(build_vector), [{
670 return ISD::isBuildVectorAllZeros(N);
675 // Other helper fragments.
676 def not : PatFrag<(ops node:$in), (xor node:$in, -1)>;
677 def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
678 def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
680 // null_frag - The null pattern operator is used in multiclass instantiations
681 // which accept an SDPatternOperator for use in matching patterns for internal
682 // definitions. When expanding a pattern, if the null fragment is referenced
683 // in the expansion, the pattern is discarded and it is as-if '[]' had been
684 // specified. This allows multiclasses to have the isel patterns be optional.
685 def null_frag : SDPatternOperator;
688 def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr), [{
689 return cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
691 def load : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
692 return cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD;
695 // extending load fragments.
696 def extload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
697 return cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD;
699 def sextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
700 return cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD;
702 def zextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
703 return cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
706 def extloadi1 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
707 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
709 def extloadi8 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
710 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
712 def extloadi16 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
713 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
715 def extloadi32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
716 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
718 def extloadf32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
719 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f32;
721 def extloadf64 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
722 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f64;
725 def sextloadi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
726 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
728 def sextloadi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
729 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
731 def sextloadi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
732 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
734 def sextloadi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
735 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
738 def zextloadi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
739 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
741 def zextloadi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
742 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
744 def zextloadi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
745 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
747 def zextloadi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
748 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
751 def extloadvi1 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
752 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
754 def extloadvi8 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
755 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
757 def extloadvi16 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
758 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
760 def extloadvi32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
761 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
763 def extloadvf32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
764 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::f32;
766 def extloadvf64 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
767 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::f64;
770 def sextloadvi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
771 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
773 def sextloadvi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
774 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
776 def sextloadvi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
777 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
779 def sextloadvi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
780 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
783 def zextloadvi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
784 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
786 def zextloadvi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
787 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
789 def zextloadvi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
790 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
792 def zextloadvi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
793 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
797 def unindexedstore : PatFrag<(ops node:$val, node:$ptr),
798 (st node:$val, node:$ptr), [{
799 return cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
801 def store : PatFrag<(ops node:$val, node:$ptr),
802 (unindexedstore node:$val, node:$ptr), [{
803 return !cast<StoreSDNode>(N)->isTruncatingStore();
806 // truncstore fragments.
807 def truncstore : PatFrag<(ops node:$val, node:$ptr),
808 (unindexedstore node:$val, node:$ptr), [{
809 return cast<StoreSDNode>(N)->isTruncatingStore();
811 def truncstorei8 : PatFrag<(ops node:$val, node:$ptr),
812 (truncstore node:$val, node:$ptr), [{
813 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
815 def truncstorei16 : PatFrag<(ops node:$val, node:$ptr),
816 (truncstore node:$val, node:$ptr), [{
817 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
819 def truncstorei32 : PatFrag<(ops node:$val, node:$ptr),
820 (truncstore node:$val, node:$ptr), [{
821 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
823 def truncstoref32 : PatFrag<(ops node:$val, node:$ptr),
824 (truncstore node:$val, node:$ptr), [{
825 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
827 def truncstoref64 : PatFrag<(ops node:$val, node:$ptr),
828 (truncstore node:$val, node:$ptr), [{
829 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f64;
832 def truncstorevi8 : PatFrag<(ops node:$val, node:$ptr),
833 (truncstore node:$val, node:$ptr), [{
834 return cast<StoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
837 def truncstorevi16 : PatFrag<(ops node:$val, node:$ptr),
838 (truncstore node:$val, node:$ptr), [{
839 return cast<StoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
842 def truncstorevi32 : PatFrag<(ops node:$val, node:$ptr),
843 (truncstore node:$val, node:$ptr), [{
844 return cast<StoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
847 // indexed store fragments.
848 def istore : PatFrag<(ops node:$val, node:$base, node:$offset),
849 (ist node:$val, node:$base, node:$offset), [{
850 return !cast<StoreSDNode>(N)->isTruncatingStore();
853 def pre_store : PatFrag<(ops node:$val, node:$base, node:$offset),
854 (istore node:$val, node:$base, node:$offset), [{
855 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
856 return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
859 def itruncstore : PatFrag<(ops node:$val, node:$base, node:$offset),
860 (ist node:$val, node:$base, node:$offset), [{
861 return cast<StoreSDNode>(N)->isTruncatingStore();
863 def pre_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
864 (itruncstore node:$val, node:$base, node:$offset), [{
865 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
866 return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
868 def pre_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
869 (pre_truncst node:$val, node:$base, node:$offset), [{
870 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
872 def pre_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
873 (pre_truncst node:$val, node:$base, node:$offset), [{
874 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
876 def pre_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
877 (pre_truncst node:$val, node:$base, node:$offset), [{
878 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
880 def pre_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
881 (pre_truncst node:$val, node:$base, node:$offset), [{
882 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
884 def pre_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
885 (pre_truncst node:$val, node:$base, node:$offset), [{
886 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
889 def post_store : PatFrag<(ops node:$val, node:$ptr, node:$offset),
890 (istore node:$val, node:$ptr, node:$offset), [{
891 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
892 return AM == ISD::POST_INC || AM == ISD::POST_DEC;
895 def post_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
896 (itruncstore node:$val, node:$base, node:$offset), [{
897 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
898 return AM == ISD::POST_INC || AM == ISD::POST_DEC;
900 def post_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
901 (post_truncst node:$val, node:$base, node:$offset), [{
902 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
904 def post_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
905 (post_truncst node:$val, node:$base, node:$offset), [{
906 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
908 def post_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
909 (post_truncst node:$val, node:$base, node:$offset), [{
910 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
912 def post_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
913 (post_truncst node:$val, node:$base, node:$offset), [{
914 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
916 def post_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
917 (post_truncst node:$val, node:$base, node:$offset), [{
918 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
921 // nontemporal store fragments.
922 def nontemporalstore : PatFrag<(ops node:$val, node:$ptr),
923 (store node:$val, node:$ptr), [{
924 return cast<StoreSDNode>(N)->isNonTemporal();
927 def alignednontemporalstore : PatFrag<(ops node:$val, node:$ptr),
928 (nontemporalstore node:$val, node:$ptr), [{
929 StoreSDNode *St = cast<StoreSDNode>(N);
930 return St->getAlignment() >= St->getMemoryVT().getStoreSize();
933 def unalignednontemporalstore : PatFrag<(ops node:$val, node:$ptr),
934 (nontemporalstore node:$val, node:$ptr), [{
935 StoreSDNode *St = cast<StoreSDNode>(N);
936 return St->getAlignment() < St->getMemoryVT().getStoreSize();
939 // setcc convenience fragments.
940 def setoeq : PatFrag<(ops node:$lhs, node:$rhs),
941 (setcc node:$lhs, node:$rhs, SETOEQ)>;
942 def setogt : PatFrag<(ops node:$lhs, node:$rhs),
943 (setcc node:$lhs, node:$rhs, SETOGT)>;
944 def setoge : PatFrag<(ops node:$lhs, node:$rhs),
945 (setcc node:$lhs, node:$rhs, SETOGE)>;
946 def setolt : PatFrag<(ops node:$lhs, node:$rhs),
947 (setcc node:$lhs, node:$rhs, SETOLT)>;
948 def setole : PatFrag<(ops node:$lhs, node:$rhs),
949 (setcc node:$lhs, node:$rhs, SETOLE)>;
950 def setone : PatFrag<(ops node:$lhs, node:$rhs),
951 (setcc node:$lhs, node:$rhs, SETONE)>;
952 def seto : PatFrag<(ops node:$lhs, node:$rhs),
953 (setcc node:$lhs, node:$rhs, SETO)>;
954 def setuo : PatFrag<(ops node:$lhs, node:$rhs),
955 (setcc node:$lhs, node:$rhs, SETUO)>;
956 def setueq : PatFrag<(ops node:$lhs, node:$rhs),
957 (setcc node:$lhs, node:$rhs, SETUEQ)>;
958 def setugt : PatFrag<(ops node:$lhs, node:$rhs),
959 (setcc node:$lhs, node:$rhs, SETUGT)>;
960 def setuge : PatFrag<(ops node:$lhs, node:$rhs),
961 (setcc node:$lhs, node:$rhs, SETUGE)>;
962 def setult : PatFrag<(ops node:$lhs, node:$rhs),
963 (setcc node:$lhs, node:$rhs, SETULT)>;
964 def setule : PatFrag<(ops node:$lhs, node:$rhs),
965 (setcc node:$lhs, node:$rhs, SETULE)>;
966 def setune : PatFrag<(ops node:$lhs, node:$rhs),
967 (setcc node:$lhs, node:$rhs, SETUNE)>;
968 def seteq : PatFrag<(ops node:$lhs, node:$rhs),
969 (setcc node:$lhs, node:$rhs, SETEQ)>;
970 def setgt : PatFrag<(ops node:$lhs, node:$rhs),
971 (setcc node:$lhs, node:$rhs, SETGT)>;
972 def setge : PatFrag<(ops node:$lhs, node:$rhs),
973 (setcc node:$lhs, node:$rhs, SETGE)>;
974 def setlt : PatFrag<(ops node:$lhs, node:$rhs),
975 (setcc node:$lhs, node:$rhs, SETLT)>;
976 def setle : PatFrag<(ops node:$lhs, node:$rhs),
977 (setcc node:$lhs, node:$rhs, SETLE)>;
978 def setne : PatFrag<(ops node:$lhs, node:$rhs),
979 (setcc node:$lhs, node:$rhs, SETNE)>;
981 def atomic_cmp_swap_8 :
982 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
983 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
984 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
986 def atomic_cmp_swap_16 :
987 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
988 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
989 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
991 def atomic_cmp_swap_32 :
992 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
993 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
994 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
996 def atomic_cmp_swap_64 :
997 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
998 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
999 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
1002 multiclass binary_atomic_op<SDNode atomic_op> {
1003 def _8 : PatFrag<(ops node:$ptr, node:$val),
1004 (atomic_op node:$ptr, node:$val), [{
1005 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
1007 def _16 : PatFrag<(ops node:$ptr, node:$val),
1008 (atomic_op node:$ptr, node:$val), [{
1009 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
1011 def _32 : PatFrag<(ops node:$ptr, node:$val),
1012 (atomic_op node:$ptr, node:$val), [{
1013 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
1015 def _64 : PatFrag<(ops node:$ptr, node:$val),
1016 (atomic_op node:$ptr, node:$val), [{
1017 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
1021 defm atomic_load_add : binary_atomic_op<atomic_load_add>;
1022 defm atomic_swap : binary_atomic_op<atomic_swap>;
1023 defm atomic_load_sub : binary_atomic_op<atomic_load_sub>;
1024 defm atomic_load_and : binary_atomic_op<atomic_load_and>;
1025 defm atomic_load_or : binary_atomic_op<atomic_load_or>;
1026 defm atomic_load_xor : binary_atomic_op<atomic_load_xor>;
1027 defm atomic_load_nand : binary_atomic_op<atomic_load_nand>;
1028 defm atomic_load_min : binary_atomic_op<atomic_load_min>;
1029 defm atomic_load_max : binary_atomic_op<atomic_load_max>;
1030 defm atomic_load_umin : binary_atomic_op<atomic_load_umin>;
1031 defm atomic_load_umax : binary_atomic_op<atomic_load_umax>;
1032 defm atomic_store : binary_atomic_op<atomic_store>;
1035 PatFrag<(ops node:$ptr),
1036 (atomic_load node:$ptr), [{
1037 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
1039 def atomic_load_16 :
1040 PatFrag<(ops node:$ptr),
1041 (atomic_load node:$ptr), [{
1042 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
1044 def atomic_load_32 :
1045 PatFrag<(ops node:$ptr),
1046 (atomic_load node:$ptr), [{
1047 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
1049 def atomic_load_64 :
1050 PatFrag<(ops node:$ptr),
1051 (atomic_load node:$ptr), [{
1052 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
1055 //===----------------------------------------------------------------------===//
1056 // Selection DAG CONVERT_RNDSAT patterns
1058 def cvtff : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1059 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1060 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FF;
1063 def cvtss : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1064 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1065 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SS;
1068 def cvtsu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1069 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1070 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SU;
1073 def cvtus : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1074 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1075 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_US;
1078 def cvtuu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1079 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1080 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UU;
1083 def cvtsf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1084 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1085 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SF;
1088 def cvtuf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1089 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1090 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UF;
1093 def cvtfs : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1094 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1095 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FS;
1098 def cvtfu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1099 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1100 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FU;
1103 //===----------------------------------------------------------------------===//
1104 // Selection DAG Pattern Support.
1106 // Patterns are what are actually matched against by the target-flavored
1107 // instruction selection DAG. Instructions defined by the target implicitly
1108 // define patterns in most cases, but patterns can also be explicitly added when
1109 // an operation is defined by a sequence of instructions (e.g. loading a large
1110 // immediate value on RISC targets that do not support immediates as large as
1114 class Pattern<dag patternToMatch, list<dag> resultInstrs> {
1115 dag PatternToMatch = patternToMatch;
1116 list<dag> ResultInstrs = resultInstrs;
1117 list<Predicate> Predicates = []; // See class Instruction in Target.td.
1118 int AddedComplexity = 0; // See class Instruction in Target.td.
1121 // Pat - A simple (but common) form of a pattern, which produces a simple result
1122 // not needing a full list.
1123 class Pat<dag pattern, dag result> : Pattern<pattern, [result]>;
1125 //===----------------------------------------------------------------------===//
1126 // Complex pattern definitions.
1129 // Complex patterns, e.g. X86 addressing mode, requires pattern matching code
1130 // in C++. NumOperands is the number of operands returned by the select function;
1131 // SelectFunc is the name of the function used to pattern match the max. pattern;
1132 // RootNodes are the list of possible root nodes of the sub-dags to match.
1133 // e.g. X86 addressing mode - def addr : ComplexPattern<4, "SelectAddr", [add]>;
1135 class ComplexPattern<ValueType ty, int numops, string fn,
1136 list<SDNode> roots = [], list<SDNodeProperty> props = []> {
1138 int NumOperands = numops;
1139 string SelectFunc = fn;
1140 list<SDNode> RootNodes = roots;
1141 list<SDNodeProperty> Properties = props;