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 //===----------------------------------------------------------------------===//
72 // Selection DAG Type Profile definitions.
74 // These use the constraints defined above to describe the type requirements of
75 // the various nodes. These are not hard coded into tblgen, allowing targets to
76 // add their own if needed.
79 // SDTypeProfile - This profile describes the type requirements of a Selection
81 class SDTypeProfile<int numresults, int numoperands,
82 list<SDTypeConstraint> constraints> {
83 int NumResults = numresults;
84 int NumOperands = numoperands;
85 list<SDTypeConstraint> Constraints = constraints;
89 def SDTIntLeaf: SDTypeProfile<1, 0, [SDTCisInt<0>]>; // for 'imm'.
90 def SDTFPLeaf : SDTypeProfile<1, 0, [SDTCisFP<0>]>; // for 'fpimm'.
91 def SDTPtrLeaf: SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; // for '&g'.
92 def SDTOther : SDTypeProfile<1, 0, [SDTCisVT<0, OtherVT>]>; // for 'vt'.
93 def SDTUNDEF : SDTypeProfile<1, 0, []>; // for 'undef'.
94 def SDTUnaryOp : SDTypeProfile<1, 1, []>; // for bitconvert.
96 def SDTIntBinOp : SDTypeProfile<1, 2, [ // add, and, or, xor, udiv, etc.
97 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>
99 def SDTIntShiftOp : SDTypeProfile<1, 2, [ // shl, sra, srl
100 SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2>
102 def SDTIntBinHiLoOp : SDTypeProfile<2, 2, [ // mulhi, mullo, sdivrem, udivrem
103 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,SDTCisInt<0>
106 def SDTFPBinOp : SDTypeProfile<1, 2, [ // fadd, fmul, etc.
107 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0>
109 def SDTFPSignOp : SDTypeProfile<1, 2, [ // fcopysign.
110 SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisFP<2>
112 def SDTFPTernaryOp : SDTypeProfile<1, 3, [ // fmadd, fnmsub, etc.
113 SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisFP<0>
115 def SDTIntUnaryOp : SDTypeProfile<1, 1, [ // ctlz
116 SDTCisSameAs<0, 1>, SDTCisInt<0>
118 def SDTIntExtendOp : SDTypeProfile<1, 1, [ // sext, zext, anyext
119 SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>
121 def SDTIntTruncOp : SDTypeProfile<1, 1, [ // trunc
122 SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<0, 1>
124 def SDTFPUnaryOp : SDTypeProfile<1, 1, [ // fneg, fsqrt, etc
125 SDTCisSameAs<0, 1>, SDTCisFP<0>
127 def SDTFPRoundOp : SDTypeProfile<1, 1, [ // fround
128 SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<0, 1>
130 def SDTFPExtendOp : SDTypeProfile<1, 1, [ // fextend
131 SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0>
133 def SDTIntToFPOp : SDTypeProfile<1, 1, [ // [su]int_to_fp
134 SDTCisFP<0>, SDTCisInt<1>
136 def SDTFPToIntOp : SDTypeProfile<1, 1, [ // fp_to_[su]int
137 SDTCisInt<0>, SDTCisFP<1>
139 def SDTExtInreg : SDTypeProfile<1, 2, [ // sext_inreg
140 SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisVT<2, OtherVT>,
141 SDTCisVTSmallerThanOp<2, 1>
144 def SDTSetCC : SDTypeProfile<1, 3, [ // setcc
145 SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
148 def SDTSelect : SDTypeProfile<1, 3, [ // select
149 SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
152 def SDTVSelect : SDTypeProfile<1, 3, [ // vselect
153 SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
156 def SDTSelectCC : SDTypeProfile<1, 5, [ // select_cc
157 SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>, SDTCisSameAs<0, 3>,
161 def SDTBr : SDTypeProfile<0, 1, [ // br
165 def SDTBrCC : SDTypeProfile<0, 4, [ // brcc
166 SDTCisVT<0, OtherVT>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
169 def SDTBrcond : SDTypeProfile<0, 2, [ // brcond
170 SDTCisInt<0>, SDTCisVT<1, OtherVT>
173 def SDTBrind : SDTypeProfile<0, 1, [ // brind
177 def SDTNone : SDTypeProfile<0, 0, []>; // ret, trap
179 def SDTLoad : SDTypeProfile<1, 1, [ // load
183 def SDTStore : SDTypeProfile<0, 2, [ // store
187 def SDTIStore : SDTypeProfile<1, 3, [ // indexed store
188 SDTCisSameAs<0, 2>, SDTCisPtrTy<0>, SDTCisPtrTy<3>
191 def SDTVecShuffle : SDTypeProfile<1, 2, [
192 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>
194 def SDTVecExtract : SDTypeProfile<1, 2, [ // vector extract
195 SDTCisEltOfVec<0, 1>, SDTCisPtrTy<2>
197 def SDTVecInsert : SDTypeProfile<1, 3, [ // vector insert
198 SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3>
201 def SDTSubVecExtract : SDTypeProfile<1, 2, [// subvector extract
202 SDTCisSubVecOfVec<0,1>, SDTCisInt<2>
204 def SDTSubVecInsert : SDTypeProfile<1, 3, [ // subvector insert
205 SDTCisSubVecOfVec<2, 1>, SDTCisSameAs<0,1>, SDTCisInt<3>
208 def SDTPrefetch : SDTypeProfile<0, 4, [ // prefetch
209 SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisSameAs<1, 3>, SDTCisInt<1>
212 def SDTMemBarrier : SDTypeProfile<0, 5, [ // memory barrier
213 SDTCisSameAs<0,1>, SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisSameAs<0,4>,
216 def SDTAtomicFence : SDTypeProfile<0, 2, [
217 SDTCisSameAs<0,1>, SDTCisPtrTy<0>
219 def SDTAtomic3 : SDTypeProfile<1, 3, [
220 SDTCisSameAs<0,2>, SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1>
222 def SDTAtomic2 : SDTypeProfile<1, 2, [
223 SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1>
225 def SDTAtomicStore : SDTypeProfile<0, 2, [
226 SDTCisPtrTy<0>, SDTCisInt<1>
228 def SDTAtomicLoad : SDTypeProfile<1, 1, [
229 SDTCisInt<0>, SDTCisPtrTy<1>
232 def SDTConvertOp : SDTypeProfile<1, 5, [ //cvtss, su, us, uu, ff, fs, fu, sf, su
233 SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>, SDTCisPtrTy<4>, SDTCisPtrTy<5>
236 class SDCallSeqStart<list<SDTypeConstraint> constraints> :
237 SDTypeProfile<0, 1, constraints>;
238 class SDCallSeqEnd<list<SDTypeConstraint> constraints> :
239 SDTypeProfile<0, 2, constraints>;
241 //===----------------------------------------------------------------------===//
242 // Selection DAG Node Properties.
244 // Note: These are hard coded into tblgen.
246 class SDNodeProperty;
247 def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
248 def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
249 def SDNPHasChain : SDNodeProperty; // R/W chain operand and result
250 def SDNPOutGlue : SDNodeProperty; // Write a flag result
251 def SDNPInGlue : SDNodeProperty; // Read a flag operand
252 def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand
253 def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'.
254 def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
255 def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
256 def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
257 def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
258 def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match
259 def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent
261 //===----------------------------------------------------------------------===//
262 // Selection DAG Pattern Operations
263 class SDPatternOperator;
265 //===----------------------------------------------------------------------===//
266 // Selection DAG Node definitions.
268 class SDNode<string opcode, SDTypeProfile typeprof,
269 list<SDNodeProperty> props = [], string sdclass = "SDNode">
270 : SDPatternOperator {
271 string Opcode = opcode;
272 string SDClass = sdclass;
273 list<SDNodeProperty> Properties = props;
274 SDTypeProfile TypeProfile = typeprof;
277 // Special TableGen-recognized dag nodes
283 def imm : SDNode<"ISD::Constant" , SDTIntLeaf , [], "ConstantSDNode">;
284 def timm : SDNode<"ISD::TargetConstant",SDTIntLeaf, [], "ConstantSDNode">;
285 def fpimm : SDNode<"ISD::ConstantFP", SDTFPLeaf , [], "ConstantFPSDNode">;
286 def vt : SDNode<"ISD::VALUETYPE" , SDTOther , [], "VTSDNode">;
287 def bb : SDNode<"ISD::BasicBlock", SDTOther , [], "BasicBlockSDNode">;
288 def cond : SDNode<"ISD::CONDCODE" , SDTOther , [], "CondCodeSDNode">;
289 def undef : SDNode<"ISD::UNDEF" , SDTUNDEF , []>;
290 def globaladdr : SDNode<"ISD::GlobalAddress", SDTPtrLeaf, [],
291 "GlobalAddressSDNode">;
292 def tglobaladdr : SDNode<"ISD::TargetGlobalAddress", SDTPtrLeaf, [],
293 "GlobalAddressSDNode">;
294 def globaltlsaddr : SDNode<"ISD::GlobalTLSAddress", SDTPtrLeaf, [],
295 "GlobalAddressSDNode">;
296 def tglobaltlsaddr : SDNode<"ISD::TargetGlobalTLSAddress", SDTPtrLeaf, [],
297 "GlobalAddressSDNode">;
298 def constpool : SDNode<"ISD::ConstantPool", SDTPtrLeaf, [],
299 "ConstantPoolSDNode">;
300 def tconstpool : SDNode<"ISD::TargetConstantPool", SDTPtrLeaf, [],
301 "ConstantPoolSDNode">;
302 def jumptable : SDNode<"ISD::JumpTable", SDTPtrLeaf, [],
304 def tjumptable : SDNode<"ISD::TargetJumpTable", SDTPtrLeaf, [],
306 def frameindex : SDNode<"ISD::FrameIndex", SDTPtrLeaf, [],
308 def tframeindex : SDNode<"ISD::TargetFrameIndex", SDTPtrLeaf, [],
310 def externalsym : SDNode<"ISD::ExternalSymbol", SDTPtrLeaf, [],
311 "ExternalSymbolSDNode">;
312 def texternalsym: SDNode<"ISD::TargetExternalSymbol", SDTPtrLeaf, [],
313 "ExternalSymbolSDNode">;
314 def blockaddress : SDNode<"ISD::BlockAddress", SDTPtrLeaf, [],
315 "BlockAddressSDNode">;
316 def tblockaddress: SDNode<"ISD::TargetBlockAddress", SDTPtrLeaf, [],
317 "BlockAddressSDNode">;
319 def add : SDNode<"ISD::ADD" , SDTIntBinOp ,
320 [SDNPCommutative, SDNPAssociative]>;
321 def sub : SDNode<"ISD::SUB" , SDTIntBinOp>;
322 def mul : SDNode<"ISD::MUL" , SDTIntBinOp,
323 [SDNPCommutative, SDNPAssociative]>;
324 def mulhs : SDNode<"ISD::MULHS" , SDTIntBinOp, [SDNPCommutative]>;
325 def mulhu : SDNode<"ISD::MULHU" , SDTIntBinOp, [SDNPCommutative]>;
326 def smullohi : SDNode<"ISD::SMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
327 def umullohi : SDNode<"ISD::UMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
328 def sdiv : SDNode<"ISD::SDIV" , SDTIntBinOp>;
329 def udiv : SDNode<"ISD::UDIV" , SDTIntBinOp>;
330 def srem : SDNode<"ISD::SREM" , SDTIntBinOp>;
331 def urem : SDNode<"ISD::UREM" , SDTIntBinOp>;
332 def sdivrem : SDNode<"ISD::SDIVREM" , SDTIntBinHiLoOp>;
333 def udivrem : SDNode<"ISD::UDIVREM" , SDTIntBinHiLoOp>;
334 def srl : SDNode<"ISD::SRL" , SDTIntShiftOp>;
335 def sra : SDNode<"ISD::SRA" , SDTIntShiftOp>;
336 def shl : SDNode<"ISD::SHL" , SDTIntShiftOp>;
337 def rotl : SDNode<"ISD::ROTL" , SDTIntShiftOp>;
338 def rotr : SDNode<"ISD::ROTR" , SDTIntShiftOp>;
339 def and : SDNode<"ISD::AND" , SDTIntBinOp,
340 [SDNPCommutative, SDNPAssociative]>;
341 def or : SDNode<"ISD::OR" , SDTIntBinOp,
342 [SDNPCommutative, SDNPAssociative]>;
343 def xor : SDNode<"ISD::XOR" , SDTIntBinOp,
344 [SDNPCommutative, SDNPAssociative]>;
345 def addc : SDNode<"ISD::ADDC" , SDTIntBinOp,
346 [SDNPCommutative, SDNPOutGlue]>;
347 def adde : SDNode<"ISD::ADDE" , SDTIntBinOp,
348 [SDNPCommutative, SDNPOutGlue, SDNPInGlue]>;
349 def subc : SDNode<"ISD::SUBC" , SDTIntBinOp,
351 def sube : SDNode<"ISD::SUBE" , SDTIntBinOp,
352 [SDNPOutGlue, SDNPInGlue]>;
354 def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>;
355 def bswap : SDNode<"ISD::BSWAP" , SDTIntUnaryOp>;
356 def ctlz : SDNode<"ISD::CTLZ" , SDTIntUnaryOp>;
357 def cttz : SDNode<"ISD::CTTZ" , SDTIntUnaryOp>;
358 def ctpop : SDNode<"ISD::CTPOP" , SDTIntUnaryOp>;
359 def ctlz_zero_undef : SDNode<"ISD::CTLZ_ZERO_UNDEF", SDTIntUnaryOp>;
360 def cttz_zero_undef : SDNode<"ISD::CTTZ_ZERO_UNDEF", SDTIntUnaryOp>;
361 def sext : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>;
362 def zext : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>;
363 def anyext : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>;
364 def trunc : SDNode<"ISD::TRUNCATE" , SDTIntTruncOp>;
365 def bitconvert : SDNode<"ISD::BITCAST" , SDTUnaryOp>;
366 def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>;
367 def insertelt : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>;
369 def fadd : SDNode<"ISD::FADD" , SDTFPBinOp, [SDNPCommutative]>;
370 def fsub : SDNode<"ISD::FSUB" , SDTFPBinOp>;
371 def fmul : SDNode<"ISD::FMUL" , SDTFPBinOp, [SDNPCommutative]>;
372 def fdiv : SDNode<"ISD::FDIV" , SDTFPBinOp>;
373 def frem : SDNode<"ISD::FREM" , SDTFPBinOp>;
374 def fma : SDNode<"ISD::FMA" , SDTFPTernaryOp>;
375 def fabs : SDNode<"ISD::FABS" , SDTFPUnaryOp>;
376 def fgetsign : SDNode<"ISD::FGETSIGN" , SDTFPToIntOp>;
377 def fneg : SDNode<"ISD::FNEG" , SDTFPUnaryOp>;
378 def fsqrt : SDNode<"ISD::FSQRT" , SDTFPUnaryOp>;
379 def fsin : SDNode<"ISD::FSIN" , SDTFPUnaryOp>;
380 def fcos : SDNode<"ISD::FCOS" , SDTFPUnaryOp>;
381 def fexp2 : SDNode<"ISD::FEXP2" , SDTFPUnaryOp>;
382 def fpow : SDNode<"ISD::FPOW" , SDTFPBinOp>;
383 def flog2 : SDNode<"ISD::FLOG2" , SDTFPUnaryOp>;
384 def frint : SDNode<"ISD::FRINT" , SDTFPUnaryOp>;
385 def ftrunc : SDNode<"ISD::FTRUNC" , SDTFPUnaryOp>;
386 def fceil : SDNode<"ISD::FCEIL" , SDTFPUnaryOp>;
387 def ffloor : SDNode<"ISD::FFLOOR" , SDTFPUnaryOp>;
388 def fnearbyint : SDNode<"ISD::FNEARBYINT" , SDTFPUnaryOp>;
389 def frnd : SDNode<"ISD::FROUND" , SDTFPUnaryOp>;
391 def fround : SDNode<"ISD::FP_ROUND" , SDTFPRoundOp>;
392 def fextend : SDNode<"ISD::FP_EXTEND" , SDTFPExtendOp>;
393 def fcopysign : SDNode<"ISD::FCOPYSIGN" , SDTFPSignOp>;
395 def sint_to_fp : SDNode<"ISD::SINT_TO_FP" , SDTIntToFPOp>;
396 def uint_to_fp : SDNode<"ISD::UINT_TO_FP" , SDTIntToFPOp>;
397 def fp_to_sint : SDNode<"ISD::FP_TO_SINT" , SDTFPToIntOp>;
398 def fp_to_uint : SDNode<"ISD::FP_TO_UINT" , SDTFPToIntOp>;
399 def f16_to_fp : SDNode<"ISD::FP16_TO_FP" , SDTIntToFPOp>;
400 def fp_to_f16 : SDNode<"ISD::FP_TO_FP16" , SDTFPToIntOp>;
402 def setcc : SDNode<"ISD::SETCC" , SDTSetCC>;
403 def select : SDNode<"ISD::SELECT" , SDTSelect>;
404 def vselect : SDNode<"ISD::VSELECT" , SDTVSelect>;
405 def selectcc : SDNode<"ISD::SELECT_CC" , SDTSelectCC>;
407 def brcc : SDNode<"ISD::BR_CC" , SDTBrCC, [SDNPHasChain]>;
408 def brcond : SDNode<"ISD::BRCOND" , SDTBrcond, [SDNPHasChain]>;
409 def brind : SDNode<"ISD::BRIND" , SDTBrind, [SDNPHasChain]>;
410 def br : SDNode<"ISD::BR" , SDTBr, [SDNPHasChain]>;
411 def trap : SDNode<"ISD::TRAP" , SDTNone,
412 [SDNPHasChain, SDNPSideEffect]>;
413 def debugtrap : SDNode<"ISD::DEBUGTRAP" , SDTNone,
414 [SDNPHasChain, SDNPSideEffect]>;
416 def prefetch : SDNode<"ISD::PREFETCH" , SDTPrefetch,
417 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
420 def readcyclecounter : SDNode<"ISD::READCYCLECOUNTER", SDTIntLeaf,
421 [SDNPHasChain, SDNPSideEffect]>;
423 def atomic_fence : SDNode<"ISD::ATOMIC_FENCE" , SDTAtomicFence,
424 [SDNPHasChain, SDNPSideEffect]>;
426 def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3,
427 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
428 def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2,
429 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
430 def atomic_swap : SDNode<"ISD::ATOMIC_SWAP", SDTAtomic2,
431 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
432 def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , SDTAtomic2,
433 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
434 def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , SDTAtomic2,
435 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
436 def atomic_load_or : SDNode<"ISD::ATOMIC_LOAD_OR" , SDTAtomic2,
437 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
438 def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , SDTAtomic2,
439 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
440 def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", SDTAtomic2,
441 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
442 def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", SDTAtomic2,
443 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
444 def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", SDTAtomic2,
445 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
446 def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", SDTAtomic2,
447 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
448 def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", SDTAtomic2,
449 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
450 def atomic_load : SDNode<"ISD::ATOMIC_LOAD", SDTAtomicLoad,
451 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
452 def atomic_store : SDNode<"ISD::ATOMIC_STORE", SDTAtomicStore,
453 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
455 // Do not use ld, st directly. Use load, extload, sextload, zextload, store,
456 // and truncst (see below).
457 def ld : SDNode<"ISD::LOAD" , SDTLoad,
458 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
459 def st : SDNode<"ISD::STORE" , SDTStore,
460 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
461 def ist : SDNode<"ISD::STORE" , SDTIStore,
462 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
464 def vector_shuffle : SDNode<"ISD::VECTOR_SHUFFLE", SDTVecShuffle, []>;
465 def build_vector : SDNode<"ISD::BUILD_VECTOR", SDTypeProfile<1, -1, []>, []>;
466 def scalar_to_vector : SDNode<"ISD::SCALAR_TO_VECTOR", SDTypeProfile<1, 1, []>,
468 def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT",
469 SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>;
470 def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT",
471 SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>;
472 def concat_vectors : SDNode<"ISD::CONCAT_VECTORS",
473 SDTypeProfile<1, 2, [SDTCisSubVecOfVec<1, 0>, SDTCisSameAs<1, 2>]>,[]>;
475 // This operator does not do subvector type checking. The ARM
476 // backend, at least, needs it.
477 def vector_extract_subvec : SDNode<"ISD::EXTRACT_SUBVECTOR",
478 SDTypeProfile<1, 2, [SDTCisInt<2>, SDTCisVec<1>, SDTCisVec<0>]>,
481 // This operator does subvector type checking.
482 def extract_subvector : SDNode<"ISD::EXTRACT_SUBVECTOR", SDTSubVecExtract, []>;
483 def insert_subvector : SDNode<"ISD::INSERT_SUBVECTOR", SDTSubVecInsert, []>;
485 // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use
486 // these internally. Don't reference these directly.
487 def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID",
488 SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>,
490 def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN",
491 SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>,
493 def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN",
494 SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, []>;
496 // Do not use cvt directly. Use cvt forms below
497 def cvt : SDNode<"ISD::CONVERT_RNDSAT", SDTConvertOp>;
499 def SDT_assertext : SDTypeProfile<1, 1,
500 [SDTCisInt<0>, SDTCisInt<1>, SDTCisSameAs<1, 0>]>;
501 def assertsext : SDNode<"ISD::AssertSext", SDT_assertext>;
502 def assertzext : SDNode<"ISD::AssertZext", SDT_assertext>;
505 //===----------------------------------------------------------------------===//
506 // Selection DAG Condition Codes
508 class CondCode; // ISD::CondCode enums
509 def SETOEQ : CondCode; def SETOGT : CondCode;
510 def SETOGE : CondCode; def SETOLT : CondCode; def SETOLE : CondCode;
511 def SETONE : CondCode; def SETO : CondCode; def SETUO : CondCode;
512 def SETUEQ : CondCode; def SETUGT : CondCode; def SETUGE : CondCode;
513 def SETULT : CondCode; def SETULE : CondCode; def SETUNE : CondCode;
515 def SETEQ : CondCode; def SETGT : CondCode; def SETGE : CondCode;
516 def SETLT : CondCode; def SETLE : CondCode; def SETNE : CondCode;
519 //===----------------------------------------------------------------------===//
520 // Selection DAG Node Transformation Functions.
522 // This mechanism allows targets to manipulate nodes in the output DAG once a
523 // match has been formed. This is typically used to manipulate immediate
526 class SDNodeXForm<SDNode opc, code xformFunction> {
528 code XFormFunction = xformFunction;
531 def NOOP_SDNodeXForm : SDNodeXForm<imm, [{}]>;
533 //===----------------------------------------------------------------------===//
534 // PatPred Subclasses.
536 // These allow specifying different sorts of predicates that control whether a
541 class CodePatPred<code predicate> : PatPred {
542 code PredicateCode = predicate;
546 //===----------------------------------------------------------------------===//
547 // Selection DAG Pattern Fragments.
549 // Pattern fragments are reusable chunks of dags that match specific things.
550 // They can take arguments and have C++ predicates that control whether they
551 // match. They are intended to make the patterns for common instructions more
552 // compact and readable.
555 /// PatFrag - Represents a pattern fragment. This can match something on the
556 /// DAG, from a single node to multiple nested other fragments.
558 class PatFrag<dag ops, dag frag, code pred = [{}],
559 SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator {
562 code PredicateCode = pred;
563 code ImmediateCode = [{}];
564 SDNodeXForm OperandTransform = xform;
567 // OutPatFrag is a pattern fragment that is used as part of an output pattern
568 // (not an input pattern). These do not have predicates or transforms, but are
569 // used to avoid repeated subexpressions in output patterns.
570 class OutPatFrag<dag ops, dag frag>
571 : PatFrag<ops, frag, [{}], NOOP_SDNodeXForm>;
573 // PatLeaf's are pattern fragments that have no operands. This is just a helper
574 // to define immediates and other common things concisely.
575 class PatLeaf<dag frag, code pred = [{}], SDNodeXForm xform = NOOP_SDNodeXForm>
576 : PatFrag<(ops), frag, pred, xform>;
579 // ImmLeaf is a pattern fragment with a constraint on the immediate. The
580 // constraint is a function that is run on the immediate (always with the value
581 // sign extended out to an int64_t) as Imm. For example:
583 // def immSExt8 : ImmLeaf<i16, [{ return (char)Imm == Imm; }]>;
585 // this is a more convenient form to match 'imm' nodes in than PatLeaf and also
586 // is preferred over using PatLeaf because it allows the code generator to
587 // reason more about the constraint.
589 // If FastIsel should ignore all instructions that have an operand of this type,
590 // the FastIselShouldIgnore flag can be set. This is an optimization to reduce
591 // the code size of the generated fast instruction selector.
592 class ImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm>
593 : PatFrag<(ops), (vt imm), [{}], xform> {
594 let ImmediateCode = pred;
595 bit FastIselShouldIgnore = 0;
601 def vtInt : PatLeaf<(vt), [{ return N->getVT().isInteger(); }]>;
602 def vtFP : PatLeaf<(vt), [{ return N->getVT().isFloatingPoint(); }]>;
604 def immAllOnesV: PatLeaf<(build_vector), [{
605 return ISD::isBuildVectorAllOnes(N);
607 def immAllZerosV: PatLeaf<(build_vector), [{
608 return ISD::isBuildVectorAllZeros(N);
613 // Other helper fragments.
614 def not : PatFrag<(ops node:$in), (xor node:$in, -1)>;
615 def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
616 def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
618 // null_frag - The null pattern operator is used in multiclass instantiations
619 // which accept an SDPatternOperator for use in matching patterns for internal
620 // definitions. When expanding a pattern, if the null fragment is referenced
621 // in the expansion, the pattern is discarded and it is as-if '[]' had been
622 // specified. This allows multiclasses to have the isel patterns be optional.
623 def null_frag : SDPatternOperator;
626 def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr), [{
627 return cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
629 def load : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
630 return cast<LoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD;
633 // extending load fragments.
634 def extload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
635 return cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD;
637 def sextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
638 return cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD;
640 def zextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
641 return cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
644 def extloadi1 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
645 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
647 def extloadi8 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
648 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
650 def extloadi16 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
651 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
653 def extloadi32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
654 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
656 def extloadf32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
657 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f32;
659 def extloadf64 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
660 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::f64;
663 def sextloadi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
664 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
666 def sextloadi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
667 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
669 def sextloadi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
670 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
672 def sextloadi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
673 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
676 def zextloadi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
677 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i1;
679 def zextloadi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
680 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
682 def zextloadi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
683 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
685 def zextloadi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
686 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
689 def extloadvi1 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
690 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
692 def extloadvi8 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
693 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
695 def extloadvi16 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
696 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
698 def extloadvi32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
699 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
701 def extloadvf32 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
702 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::f32;
704 def extloadvf64 : PatFrag<(ops node:$ptr), (extload node:$ptr), [{
705 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::f64;
708 def sextloadvi1 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
709 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
711 def sextloadvi8 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
712 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
714 def sextloadvi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
715 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
717 def sextloadvi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr), [{
718 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
721 def zextloadvi1 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
722 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i1;
724 def zextloadvi8 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
725 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
727 def zextloadvi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
728 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
730 def zextloadvi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr), [{
731 return cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
735 def unindexedstore : PatFrag<(ops node:$val, node:$ptr),
736 (st node:$val, node:$ptr), [{
737 return cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
739 def store : PatFrag<(ops node:$val, node:$ptr),
740 (unindexedstore node:$val, node:$ptr), [{
741 return !cast<StoreSDNode>(N)->isTruncatingStore();
744 // truncstore fragments.
745 def truncstore : PatFrag<(ops node:$val, node:$ptr),
746 (unindexedstore node:$val, node:$ptr), [{
747 return cast<StoreSDNode>(N)->isTruncatingStore();
749 def truncstorei8 : PatFrag<(ops node:$val, node:$ptr),
750 (truncstore node:$val, node:$ptr), [{
751 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
753 def truncstorei16 : PatFrag<(ops node:$val, node:$ptr),
754 (truncstore node:$val, node:$ptr), [{
755 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
757 def truncstorei32 : PatFrag<(ops node:$val, node:$ptr),
758 (truncstore node:$val, node:$ptr), [{
759 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
761 def truncstoref32 : PatFrag<(ops node:$val, node:$ptr),
762 (truncstore node:$val, node:$ptr), [{
763 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
765 def truncstoref64 : PatFrag<(ops node:$val, node:$ptr),
766 (truncstore node:$val, node:$ptr), [{
767 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f64;
770 // indexed store fragments.
771 def istore : PatFrag<(ops node:$val, node:$base, node:$offset),
772 (ist node:$val, node:$base, node:$offset), [{
773 return !cast<StoreSDNode>(N)->isTruncatingStore();
776 def pre_store : PatFrag<(ops node:$val, node:$base, node:$offset),
777 (istore node:$val, node:$base, node:$offset), [{
778 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
779 return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
782 def itruncstore : PatFrag<(ops node:$val, node:$base, node:$offset),
783 (ist node:$val, node:$base, node:$offset), [{
784 return cast<StoreSDNode>(N)->isTruncatingStore();
786 def pre_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
787 (itruncstore node:$val, node:$base, node:$offset), [{
788 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
789 return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
791 def pre_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
792 (pre_truncst node:$val, node:$base, node:$offset), [{
793 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
795 def pre_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
796 (pre_truncst node:$val, node:$base, node:$offset), [{
797 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
799 def pre_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
800 (pre_truncst node:$val, node:$base, node:$offset), [{
801 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
803 def pre_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
804 (pre_truncst node:$val, node:$base, node:$offset), [{
805 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
807 def pre_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
808 (pre_truncst node:$val, node:$base, node:$offset), [{
809 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
812 def post_store : PatFrag<(ops node:$val, node:$ptr, node:$offset),
813 (istore node:$val, node:$ptr, node:$offset), [{
814 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
815 return AM == ISD::POST_INC || AM == ISD::POST_DEC;
818 def post_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
819 (itruncstore node:$val, node:$base, node:$offset), [{
820 ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
821 return AM == ISD::POST_INC || AM == ISD::POST_DEC;
823 def post_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
824 (post_truncst node:$val, node:$base, node:$offset), [{
825 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i1;
827 def post_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
828 (post_truncst node:$val, node:$base, node:$offset), [{
829 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i8;
831 def post_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
832 (post_truncst node:$val, node:$base, node:$offset), [{
833 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i16;
835 def post_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
836 (post_truncst node:$val, node:$base, node:$offset), [{
837 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::i32;
839 def post_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
840 (post_truncst node:$val, node:$base, node:$offset), [{
841 return cast<StoreSDNode>(N)->getMemoryVT() == MVT::f32;
844 // setcc convenience fragments.
845 def setoeq : PatFrag<(ops node:$lhs, node:$rhs),
846 (setcc node:$lhs, node:$rhs, SETOEQ)>;
847 def setogt : PatFrag<(ops node:$lhs, node:$rhs),
848 (setcc node:$lhs, node:$rhs, SETOGT)>;
849 def setoge : PatFrag<(ops node:$lhs, node:$rhs),
850 (setcc node:$lhs, node:$rhs, SETOGE)>;
851 def setolt : PatFrag<(ops node:$lhs, node:$rhs),
852 (setcc node:$lhs, node:$rhs, SETOLT)>;
853 def setole : PatFrag<(ops node:$lhs, node:$rhs),
854 (setcc node:$lhs, node:$rhs, SETOLE)>;
855 def setone : PatFrag<(ops node:$lhs, node:$rhs),
856 (setcc node:$lhs, node:$rhs, SETONE)>;
857 def seto : PatFrag<(ops node:$lhs, node:$rhs),
858 (setcc node:$lhs, node:$rhs, SETO)>;
859 def setuo : PatFrag<(ops node:$lhs, node:$rhs),
860 (setcc node:$lhs, node:$rhs, SETUO)>;
861 def setueq : PatFrag<(ops node:$lhs, node:$rhs),
862 (setcc node:$lhs, node:$rhs, SETUEQ)>;
863 def setugt : PatFrag<(ops node:$lhs, node:$rhs),
864 (setcc node:$lhs, node:$rhs, SETUGT)>;
865 def setuge : PatFrag<(ops node:$lhs, node:$rhs),
866 (setcc node:$lhs, node:$rhs, SETUGE)>;
867 def setult : PatFrag<(ops node:$lhs, node:$rhs),
868 (setcc node:$lhs, node:$rhs, SETULT)>;
869 def setule : PatFrag<(ops node:$lhs, node:$rhs),
870 (setcc node:$lhs, node:$rhs, SETULE)>;
871 def setune : PatFrag<(ops node:$lhs, node:$rhs),
872 (setcc node:$lhs, node:$rhs, SETUNE)>;
873 def seteq : PatFrag<(ops node:$lhs, node:$rhs),
874 (setcc node:$lhs, node:$rhs, SETEQ)>;
875 def setgt : PatFrag<(ops node:$lhs, node:$rhs),
876 (setcc node:$lhs, node:$rhs, SETGT)>;
877 def setge : PatFrag<(ops node:$lhs, node:$rhs),
878 (setcc node:$lhs, node:$rhs, SETGE)>;
879 def setlt : PatFrag<(ops node:$lhs, node:$rhs),
880 (setcc node:$lhs, node:$rhs, SETLT)>;
881 def setle : PatFrag<(ops node:$lhs, node:$rhs),
882 (setcc node:$lhs, node:$rhs, SETLE)>;
883 def setne : PatFrag<(ops node:$lhs, node:$rhs),
884 (setcc node:$lhs, node:$rhs, SETNE)>;
886 def atomic_cmp_swap_8 :
887 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
888 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
889 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
891 def atomic_cmp_swap_16 :
892 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
893 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
894 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
896 def atomic_cmp_swap_32 :
897 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
898 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
899 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
901 def atomic_cmp_swap_64 :
902 PatFrag<(ops node:$ptr, node:$cmp, node:$swap),
903 (atomic_cmp_swap node:$ptr, node:$cmp, node:$swap), [{
904 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
907 multiclass binary_atomic_op<SDNode atomic_op> {
908 def _8 : PatFrag<(ops node:$ptr, node:$val),
909 (atomic_op node:$ptr, node:$val), [{
910 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
912 def _16 : PatFrag<(ops node:$ptr, node:$val),
913 (atomic_op node:$ptr, node:$val), [{
914 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
916 def _32 : PatFrag<(ops node:$ptr, node:$val),
917 (atomic_op node:$ptr, node:$val), [{
918 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
920 def _64 : PatFrag<(ops node:$ptr, node:$val),
921 (atomic_op node:$ptr, node:$val), [{
922 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
926 defm atomic_load_add : binary_atomic_op<atomic_load_add>;
927 defm atomic_swap : binary_atomic_op<atomic_swap>;
928 defm atomic_load_sub : binary_atomic_op<atomic_load_sub>;
929 defm atomic_load_and : binary_atomic_op<atomic_load_and>;
930 defm atomic_load_or : binary_atomic_op<atomic_load_or>;
931 defm atomic_load_xor : binary_atomic_op<atomic_load_xor>;
932 defm atomic_load_nand : binary_atomic_op<atomic_load_nand>;
933 defm atomic_load_min : binary_atomic_op<atomic_load_min>;
934 defm atomic_load_max : binary_atomic_op<atomic_load_max>;
935 defm atomic_load_umin : binary_atomic_op<atomic_load_umin>;
936 defm atomic_load_umax : binary_atomic_op<atomic_load_umax>;
937 defm atomic_store : binary_atomic_op<atomic_store>;
940 PatFrag<(ops node:$ptr),
941 (atomic_load node:$ptr), [{
942 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i8;
945 PatFrag<(ops node:$ptr),
946 (atomic_load node:$ptr), [{
947 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i16;
950 PatFrag<(ops node:$ptr),
951 (atomic_load node:$ptr), [{
952 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i32;
955 PatFrag<(ops node:$ptr),
956 (atomic_load node:$ptr), [{
957 return cast<AtomicSDNode>(N)->getMemoryVT() == MVT::i64;
960 //===----------------------------------------------------------------------===//
961 // Selection DAG CONVERT_RNDSAT patterns
963 def cvtff : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
964 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
965 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FF;
968 def cvtss : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
969 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
970 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SS;
973 def cvtsu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
974 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
975 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SU;
978 def cvtus : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
979 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
980 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_US;
983 def cvtuu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
984 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
985 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UU;
988 def cvtsf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
989 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
990 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_SF;
993 def cvtuf : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
994 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
995 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_UF;
998 def cvtfs : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
999 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1000 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FS;
1003 def cvtfu : PatFrag<(ops node:$val, node:$dty, node:$sty, node:$rd, node:$sat),
1004 (cvt node:$val, node:$dty, node:$sty, node:$rd, node:$sat), [{
1005 return cast<CvtRndSatSDNode>(N)->getCvtCode() == ISD::CVT_FU;
1008 //===----------------------------------------------------------------------===//
1009 // Selection DAG Pattern Support.
1011 // Patterns are what are actually matched against by the target-flavored
1012 // instruction selection DAG. Instructions defined by the target implicitly
1013 // define patterns in most cases, but patterns can also be explicitly added when
1014 // an operation is defined by a sequence of instructions (e.g. loading a large
1015 // immediate value on RISC targets that do not support immediates as large as
1019 class Pattern<dag patternToMatch, list<dag> resultInstrs> {
1020 dag PatternToMatch = patternToMatch;
1021 list<dag> ResultInstrs = resultInstrs;
1022 list<Predicate> Predicates = []; // See class Instruction in Target.td.
1023 int AddedComplexity = 0; // See class Instruction in Target.td.
1026 // Pat - A simple (but common) form of a pattern, which produces a simple result
1027 // not needing a full list.
1028 class Pat<dag pattern, dag result> : Pattern<pattern, [result]>;
1030 //===----------------------------------------------------------------------===//
1031 // Complex pattern definitions.
1034 // Complex patterns, e.g. X86 addressing mode, requires pattern matching code
1035 // in C++. NumOperands is the number of operands returned by the select function;
1036 // SelectFunc is the name of the function used to pattern match the max. pattern;
1037 // RootNodes are the list of possible root nodes of the sub-dags to match.
1038 // e.g. X86 addressing mode - def addr : ComplexPattern<4, "SelectAddr", [add]>;
1040 class ComplexPattern<ValueType ty, int numops, string fn,
1041 list<SDNode> roots = [], list<SDNodeProperty> props = []> {
1043 int NumOperands = numops;
1044 string SelectFunc = fn;
1045 list<SDNode> RootNodes = roots;
1046 list<SDNodeProperty> Properties = props;