xref: /llvm-project/llvm/include/llvm/Target/TargetSelectionDAG.td (revision 6aeffcdb913052e43335130e129e36babaa9b252)
1//===- TargetSelectionDAG.td - Common code for DAG isels ---*- tablegen -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the target-independent interfaces used by SelectionDAG
10// instruction selection generators.
11//
12//===----------------------------------------------------------------------===//
13
14//===----------------------------------------------------------------------===//
15// Selection DAG Type Constraint definitions.
16//
17// Note that the semantics of these constraints are hard coded into tblgen.  To
18// modify or add constraints, you have to hack tblgen.
19//
20
21class SDTypeConstraint<int opnum> {
22  int OperandNum = opnum;
23}
24
25// SDTCisVT - The specified operand has exactly this VT.
26class SDTCisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> {
27  ValueType VT = vt;
28}
29
30class SDTCisPtrTy<int OpNum> : SDTypeConstraint<OpNum>;
31
32// SDTCisInt - The specified operand has integer type.
33class SDTCisInt<int OpNum> : SDTypeConstraint<OpNum>;
34
35// SDTCisFP - The specified operand has floating-point type.
36class SDTCisFP<int OpNum> : SDTypeConstraint<OpNum>;
37
38// SDTCisVec - The specified operand has a vector type.
39class SDTCisVec<int OpNum> : SDTypeConstraint<OpNum>;
40
41// SDTCisSameAs - The two specified operands have identical types.
42class SDTCisSameAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
43  int OtherOperandNum = OtherOp;
44}
45
46// SDTCisVTSmallerThanOp - The specified operand is a VT SDNode, and its type is
47// smaller than the 'Other' operand.
48class SDTCisVTSmallerThanOp<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
49  int OtherOperandNum = OtherOp;
50}
51
52class SDTCisOpSmallerThanOp<int SmallOp, int BigOp> : SDTypeConstraint<SmallOp>{
53  int BigOperandNum = BigOp;
54}
55
56/// SDTCisEltOfVec - This indicates that ThisOp is a scalar type of the same
57/// type as the element type of OtherOp, which is a vector type.
58class SDTCisEltOfVec<int ThisOp, int OtherOp>
59  : SDTypeConstraint<ThisOp> {
60  int OtherOpNum = OtherOp;
61}
62
63/// SDTCisSubVecOfVec - This indicates that ThisOp is a vector type
64/// with length less that of OtherOp, which is a vector type.
65class SDTCisSubVecOfVec<int ThisOp, int OtherOp>
66  : SDTypeConstraint<ThisOp> {
67  int OtherOpNum = OtherOp;
68}
69
70// SDTCVecEltisVT - The specified operand is vector type with element type
71// of VT.
72class SDTCVecEltisVT<int OpNum, ValueType vt> : SDTypeConstraint<OpNum> {
73  ValueType VT = vt;
74}
75
76// SDTCisSameNumEltsAs - The two specified operands have identical number
77// of elements.
78class SDTCisSameNumEltsAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
79  int OtherOperandNum = OtherOp;
80}
81
82// SDTCisSameSizeAs - The two specified operands have identical size.
83class SDTCisSameSizeAs<int OpNum, int OtherOp> : SDTypeConstraint<OpNum> {
84  int OtherOperandNum = OtherOp;
85}
86
87//===----------------------------------------------------------------------===//
88// Selection DAG Type Profile definitions.
89//
90// These use the constraints defined above to describe the type requirements of
91// the various nodes.  These are not hard coded into tblgen, allowing targets to
92// add their own if needed.
93//
94
95// SDTypeProfile - This profile describes the type requirements of a Selection
96// DAG node.
97class SDTypeProfile<int numresults, int numoperands,
98                    list<SDTypeConstraint> constraints> {
99  int NumResults = numresults;
100  int NumOperands = numoperands;
101  list<SDTypeConstraint> Constraints = constraints;
102}
103
104// Builtin profiles.
105def SDTIntLeaf: SDTypeProfile<1, 0, [SDTCisInt<0>]>;         // for 'imm'.
106def SDTFPLeaf : SDTypeProfile<1, 0, [SDTCisFP<0>]>;          // for 'fpimm'.
107def SDTPtrLeaf: SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;       // for '&g'.
108def SDTOther  : SDTypeProfile<1, 0, [SDTCisVT<0, OtherVT>]>; // for 'vt'.
109def SDTUNDEF  : SDTypeProfile<1, 0, []>;                     // for 'undef'.
110def SDTUnaryOp  : SDTypeProfile<1, 1, []>;                   // for bitconvert.
111
112def SDTPtrAddOp : SDTypeProfile<1, 2, [     // ptradd
113  SDTCisSameAs<0, 1>, SDTCisInt<2>, SDTCisPtrTy<1>
114]>;
115def SDTIntBinOp : SDTypeProfile<1, 2, [     // add, and, or, xor, udiv, etc.
116  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>
117]>;
118def SDTIntShiftOp : SDTypeProfile<1, 2, [   // shl, sra, srl
119  SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisInt<2>
120]>;
121def SDTIntShiftPairOp : SDTypeProfile<2, 3, [ // shl_parts, sra_parts, srl_parts
122  SDTCisInt<0>, SDTCisSameAs<1, 0>,
123  SDTCisSameAs<2, 0>, SDTCisSameAs<3, 0>, SDTCisInt<4>
124]>;
125def SDTIntShiftDOp: SDTypeProfile<1, 3, [   // fshl, fshr
126  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3>
127]>;
128def SDTIntSatNoShOp : SDTypeProfile<1, 2, [   // ssat with no shift
129  SDTCisSameAs<0, 1>, SDTCisInt<2>
130]>;
131def SDTIntBinHiLoOp : SDTypeProfile<2, 2, [ // smullohi, umullohi, sdivrem, udivrem
132  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisInt<0>
133]>;
134def SDTIntScaledBinOp : SDTypeProfile<1, 3, [  // smulfix, sdivfix, etc
135  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisInt<0>, SDTCisInt<3>
136]>;
137
138def SDTFPBinOp : SDTypeProfile<1, 2, [      // fadd, fmul, etc.
139  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisFP<0>
140]>;
141def SDTFPSignOp : SDTypeProfile<1, 2, [     // fcopysign.
142  SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisFP<2>
143]>;
144def SDTFPTernaryOp : SDTypeProfile<1, 3, [  // fmadd, fnmsub, etc.
145  SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, SDTCisFP<0>
146]>;
147def SDTIntUnaryOp : SDTypeProfile<1, 1, [ // bitreverse
148  SDTCisSameAs<0, 1>, SDTCisInt<0>
149]>;
150def SDTIntBitCountUnaryOp : SDTypeProfile<1, 1, [   // ctlz, cttz
151  SDTCisInt<0>, SDTCisInt<1>
152]>;
153def SDTIntExtendOp : SDTypeProfile<1, 1, [  // sext, zext, anyext
154  SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>, SDTCisSameNumEltsAs<0, 1>
155]>;
156def SDTIntTruncOp  : SDTypeProfile<1, 1, [  // trunc
157  SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<0, 1>, SDTCisSameNumEltsAs<0, 1>
158]>;
159def SDTFPUnaryOp  : SDTypeProfile<1, 1, [   // fneg, fsqrt, etc
160  SDTCisSameAs<0, 1>, SDTCisFP<0>
161]>;
162def SDTFPRoundOp  : SDTypeProfile<1, 1, [   // fpround
163  SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<0, 1>, SDTCisSameNumEltsAs<0, 1>
164]>;
165def SDTFPTruncRoundOp  : SDTypeProfile<1, 2, [
166  SDTCisFP<0>, SDTCisFP<1>, SDTCisInt<2>, SDTCisOpSmallerThanOp<0, 1>, SDTCisSameNumEltsAs<0, 1>
167]>;
168def SDTFPExtendOp  : SDTypeProfile<1, 1, [  // fpextend
169  SDTCisFP<0>, SDTCisFP<1>, SDTCisOpSmallerThanOp<1, 0>, SDTCisSameNumEltsAs<0, 1>
170]>;
171def SDIsFPClassOp : SDTypeProfile<1, 2, [   // is_fpclass
172  SDTCisInt<0>, SDTCisFP<1>, SDTCisInt<2>, SDTCisSameNumEltsAs<0, 1>
173]>;
174def SDTIntToFPOp : SDTypeProfile<1, 1, [    // [su]int_to_fp
175  SDTCisFP<0>, SDTCisInt<1>, SDTCisSameNumEltsAs<0, 1>
176]>;
177def SDTFPToIntOp : SDTypeProfile<1, 1, [    // fp_to_[su]int
178  SDTCisInt<0>, SDTCisFP<1>, SDTCisSameNumEltsAs<0, 1>
179]>;
180def SDTFPToIntSatOp : SDTypeProfile<1, 2, [    // fp_to_[su]int_sat
181  SDTCisInt<0>, SDTCisFP<1>, SDTCisSameNumEltsAs<0, 1>, SDTCisVT<2, OtherVT>
182]>;
183def SDTFPExpOp : SDTypeProfile<1, 2, [      // ldexp
184  SDTCisSameAs<0, 1>, SDTCisFP<0>, SDTCisInt<2>
185]>;
186def SDTGetFPStateOp : SDTypeProfile<1, 0, [ // get_fpenv, get_fpmode
187  SDTCisInt<0>
188]>;
189def SDTSetFPStateOp : SDTypeProfile<0, 1, [ // set_fpenv, set_fpmode
190  SDTCisInt<0>
191]>;
192def SDTExtInreg : SDTypeProfile<1, 2, [     // sext_inreg
193  SDTCisSameAs<0, 1>, SDTCisInt<0>, SDTCisVT<2, OtherVT>,
194  SDTCisVTSmallerThanOp<2, 1>
195]>;
196def SDTExtInvec : SDTypeProfile<1, 1, [     // sext_invec
197  SDTCisInt<0>, SDTCisVec<0>, SDTCisInt<1>, SDTCisVec<1>,
198  SDTCisOpSmallerThanOp<1, 0>
199]>;
200def SDTFreeze : SDTypeProfile<1, 1, [
201  SDTCisSameAs<0, 1>
202]>;
203
204def SDTSetCC : SDTypeProfile<1, 3, [        // setcc
205  SDTCisInt<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
206]>;
207
208def SDTSelect : SDTypeProfile<1, 3, [       // select
209  SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>
210]>;
211
212def SDTVSelect : SDTypeProfile<1, 3, [       // vselect
213  SDTCisVec<0>, SDTCisInt<1>, SDTCisSameAs<0, 2>, SDTCisSameAs<2, 3>, SDTCisSameNumEltsAs<0, 1>
214]>;
215
216def SDTSelectCC : SDTypeProfile<1, 5, [     // select_cc
217  SDTCisSameAs<1, 2>, SDTCisSameAs<3, 4>, SDTCisSameAs<0, 3>,
218  SDTCisVT<5, OtherVT>
219]>;
220
221def SDTBr : SDTypeProfile<0, 1, [           // br
222  SDTCisVT<0, OtherVT>
223]>;
224
225def SDTBrCC : SDTypeProfile<0, 4, [       // brcc
226  SDTCisVT<0, OtherVT>, SDTCisSameAs<1, 2>, SDTCisVT<3, OtherVT>
227]>;
228
229def SDTBrcond : SDTypeProfile<0, 2, [       // brcond
230  SDTCisInt<0>, SDTCisVT<1, OtherVT>
231]>;
232
233def SDTBrind : SDTypeProfile<0, 1, [        // brind
234  SDTCisPtrTy<0>
235]>;
236
237def SDTCatchret : SDTypeProfile<0, 2, [     // catchret
238  SDTCisVT<0, OtherVT>, SDTCisVT<1, OtherVT>
239]>;
240
241def SDTCleanupret : SDTypeProfile<0, 1, [   // cleanupret
242  SDTCisVT<0, OtherVT>
243]>;
244
245def SDTNone : SDTypeProfile<0, 0, []>;      // ret, trap
246
247def SDTUBSANTrap : SDTypeProfile<0, 1, []>;      // ubsantrap
248
249def SDTLoad : SDTypeProfile<1, 1, [         // load
250  SDTCisPtrTy<1>
251]>;
252
253def SDTStore : SDTypeProfile<0, 2, [        // store
254  SDTCisPtrTy<1>
255]>;
256
257def SDTIStore : SDTypeProfile<1, 3, [       // indexed store
258  SDTCisSameAs<0, 2>, SDTCisPtrTy<0>, SDTCisPtrTy<3>
259]>;
260
261def SDTMaskedStore: SDTypeProfile<0, 4, [       // masked store
262  SDTCisVec<0>, SDTCisPtrTy<1>, SDTCisPtrTy<2>, SDTCisVec<3>, SDTCisSameNumEltsAs<0, 3>
263]>;
264
265def SDTMaskedLoad: SDTypeProfile<1, 4, [       // masked load
266  SDTCisVec<0>, SDTCisPtrTy<1>, SDTCisPtrTy<2>, SDTCisVec<3>, SDTCisSameAs<0, 4>,
267  SDTCisSameNumEltsAs<0, 3>
268]>;
269
270def SDTMaskedGather : SDTypeProfile<1, 4, [
271  SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVec<2>, SDTCisPtrTy<3>, SDTCisVec<4>,
272  SDTCisSameNumEltsAs<0, 2>, SDTCisSameNumEltsAs<0, 4>
273]>;
274
275def SDTMaskedScatter : SDTypeProfile<0, 4, [
276  SDTCisVec<0>, SDTCisVec<1>, SDTCisPtrTy<2>, SDTCisVec<3>,
277  SDTCisSameNumEltsAs<0, 1>, SDTCisSameNumEltsAs<0, 3>
278]>;
279
280def SDTVectorCompress : SDTypeProfile<1, 3, [
281  SDTCisVec<0>, SDTCisSameAs<0, 1>,
282  SDTCisVec<2>, SDTCisSameNumEltsAs<1, 2>,
283  SDTCisSameAs<1, 3>
284]>;
285
286def SDTVecShuffle : SDTypeProfile<1, 2, [
287  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>
288]>;
289def SDTVecSlice : SDTypeProfile<1, 3, [     // vector splice
290  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisInt<3>
291]>;
292def SDTVecExtract : SDTypeProfile<1, 2, [   // vector extract
293  SDTCisEltOfVec<0, 1>, SDTCisPtrTy<2>
294]>;
295def SDTVecInsert : SDTypeProfile<1, 3, [    // vector insert
296  SDTCisEltOfVec<2, 1>, SDTCisSameAs<0, 1>, SDTCisPtrTy<3>
297]>;
298def SDTVecReduce : SDTypeProfile<1, 1, [    // vector reduction
299  SDTCisInt<0>, SDTCisVec<1>
300]>;
301def SDTFPVecReduce : SDTypeProfile<1, 1, [  // FP vector reduction
302  SDTCisFP<0>, SDTCisVec<1>
303]>;
304
305def SDTVecReverse : SDTypeProfile<1, 1, [  // vector reverse
306  SDTCisVec<0>, SDTCisSameAs<0,1>
307]>;
308
309def SDTSubVecExtract : SDTypeProfile<1, 2, [// subvector extract
310  SDTCisSubVecOfVec<0,1>, SDTCisInt<2>
311]>;
312def SDTSubVecInsert : SDTypeProfile<1, 3, [ // subvector insert
313  SDTCisSubVecOfVec<2, 1>, SDTCisSameAs<0,1>, SDTCisInt<3>
314]>;
315
316def SDTPrefetch : SDTypeProfile<0, 4, [     // prefetch
317  SDTCisPtrTy<0>, SDTCisSameAs<1, 2>, SDTCisSameAs<1, 3>, SDTCisInt<1>
318]>;
319
320def SDTAtomicFence : SDTypeProfile<0, 2, [
321  SDTCisSameAs<0,1>, SDTCisPtrTy<0>
322]>;
323def SDTAtomic3 : SDTypeProfile<1, 3, [
324  SDTCisSameAs<0,2>,  SDTCisSameAs<0,3>, SDTCisInt<0>, SDTCisPtrTy<1>
325]>;
326def SDTAtomic2 : SDTypeProfile<1, 2, [
327  SDTCisSameAs<0,2>, SDTCisInt<0>, SDTCisPtrTy<1>
328]>;
329
330def SDTFPAtomic2 : SDTypeProfile<1, 2, [
331  SDTCisSameAs<0,2>, SDTCisFP<0>, SDTCisPtrTy<1>
332]>;
333
334def SDTAtomicStore : SDTypeProfile<0, 2, [
335  SDTCisInt<0>, SDTCisPtrTy<1>
336]>;
337def SDTAtomicLoad : SDTypeProfile<1, 1, [
338  SDTCisPtrTy<1>
339]>;
340
341class SDCallSeqStart<list<SDTypeConstraint> constraints> :
342        SDTypeProfile<0, 2, constraints>;
343class SDCallSeqEnd<list<SDTypeConstraint> constraints> :
344        SDTypeProfile<0, 2, constraints>;
345
346//===----------------------------------------------------------------------===//
347// Selection DAG Node definitions.
348//
349class SDNode<string opcode, SDTypeProfile typeprof,
350             list<SDNodeProperty> props = [], string sdclass = "SDNode">
351             : SDPatternOperator {
352  string Opcode  = opcode;
353  string SDClass = sdclass;
354  let Properties = props;
355  SDTypeProfile TypeProfile = typeprof;
356  bit IsStrictFP = false;
357  bits<32> TSFlags = 0;
358}
359
360// Special TableGen-recognized dag nodes
361def set;
362def implicit;
363def node;
364def srcvalue;
365
366def imm        : SDNode<"ISD::Constant"  , SDTIntLeaf , [], "ConstantSDNode">;
367def timm       : SDNode<"ISD::TargetConstant",SDTIntLeaf, [], "ConstantSDNode">;
368def fpimm      : SDNode<"ISD::ConstantFP", SDTFPLeaf  , [], "ConstantFPSDNode">;
369def vt         : SDNode<"ISD::VALUETYPE" , SDTOther   , [], "VTSDNode">;
370def bb         : SDNode<"ISD::BasicBlock", SDTOther   , [], "BasicBlockSDNode">;
371def cond       : SDNode<"ISD::CONDCODE"  , SDTOther   , [], "CondCodeSDNode">;
372def undef      : SDNode<"ISD::UNDEF"     , SDTUNDEF   , []>;
373def vscale     : SDNode<"ISD::VSCALE"    , SDTIntUnaryOp, []>;
374def globaladdr : SDNode<"ISD::GlobalAddress",         SDTPtrLeaf, [],
375                        "GlobalAddressSDNode">;
376def tglobaladdr : SDNode<"ISD::TargetGlobalAddress",  SDTPtrLeaf, [],
377                         "GlobalAddressSDNode">;
378def globaltlsaddr : SDNode<"ISD::GlobalTLSAddress",         SDTPtrLeaf, [],
379                          "GlobalAddressSDNode">;
380def tglobaltlsaddr : SDNode<"ISD::TargetGlobalTLSAddress",  SDTPtrLeaf, [],
381                           "GlobalAddressSDNode">;
382def constpool   : SDNode<"ISD::ConstantPool",         SDTPtrLeaf, [],
383                         "ConstantPoolSDNode">;
384def tconstpool  : SDNode<"ISD::TargetConstantPool",   SDTPtrLeaf, [],
385                         "ConstantPoolSDNode">;
386def jumptable   : SDNode<"ISD::JumpTable",            SDTPtrLeaf, [],
387                         "JumpTableSDNode">;
388def tjumptable  : SDNode<"ISD::TargetJumpTable",      SDTPtrLeaf, [],
389                         "JumpTableSDNode">;
390def frameindex  : SDNode<"ISD::FrameIndex",           SDTPtrLeaf, [],
391                         "FrameIndexSDNode">;
392def tframeindex : SDNode<"ISD::TargetFrameIndex",     SDTPtrLeaf, [],
393                         "FrameIndexSDNode">;
394def externalsym : SDNode<"ISD::ExternalSymbol",       SDTPtrLeaf, [],
395                         "ExternalSymbolSDNode">;
396def texternalsym: SDNode<"ISD::TargetExternalSymbol", SDTPtrLeaf, [],
397                         "ExternalSymbolSDNode">;
398def mcsym: SDNode<"ISD::MCSymbol", SDTPtrLeaf, [], "MCSymbolSDNode">;
399def blockaddress : SDNode<"ISD::BlockAddress",        SDTPtrLeaf, [],
400                         "BlockAddressSDNode">;
401def tblockaddress: SDNode<"ISD::TargetBlockAddress",  SDTPtrLeaf, [],
402                         "BlockAddressSDNode">;
403
404def add        : SDNode<"ISD::ADD"       , SDTIntBinOp   ,
405                        [SDNPCommutative, SDNPAssociative]>;
406def ptradd     : SDNode<"ISD::ADD"       , SDTPtrAddOp, []>;
407def sub        : SDNode<"ISD::SUB"       , SDTIntBinOp>;
408def mul        : SDNode<"ISD::MUL"       , SDTIntBinOp,
409                        [SDNPCommutative, SDNPAssociative]>;
410def mulhs      : SDNode<"ISD::MULHS"     , SDTIntBinOp, [SDNPCommutative]>;
411def mulhu      : SDNode<"ISD::MULHU"     , SDTIntBinOp, [SDNPCommutative]>;
412def avgfloors  : SDNode<"ISD::AVGFLOORS" , SDTIntBinOp, [SDNPCommutative]>;
413def avgflooru  : SDNode<"ISD::AVGFLOORU" , SDTIntBinOp, [SDNPCommutative]>;
414def avgceils   : SDNode<"ISD::AVGCEILS"  , SDTIntBinOp, [SDNPCommutative]>;
415def avgceilu   : SDNode<"ISD::AVGCEILU"  , SDTIntBinOp, [SDNPCommutative]>;
416def abds       : SDNode<"ISD::ABDS"      , SDTIntBinOp, [SDNPCommutative]>;
417def abdu       : SDNode<"ISD::ABDU"      , SDTIntBinOp, [SDNPCommutative]>;
418def smullohi   : SDNode<"ISD::SMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
419def umullohi   : SDNode<"ISD::UMUL_LOHI" , SDTIntBinHiLoOp, [SDNPCommutative]>;
420def sdiv       : SDNode<"ISD::SDIV"      , SDTIntBinOp>;
421def udiv       : SDNode<"ISD::UDIV"      , SDTIntBinOp>;
422def srem       : SDNode<"ISD::SREM"      , SDTIntBinOp>;
423def urem       : SDNode<"ISD::UREM"      , SDTIntBinOp>;
424def sdivrem    : SDNode<"ISD::SDIVREM"   , SDTIntBinHiLoOp>;
425def udivrem    : SDNode<"ISD::UDIVREM"   , SDTIntBinHiLoOp>;
426def srl        : SDNode<"ISD::SRL"       , SDTIntShiftOp>;
427def sra        : SDNode<"ISD::SRA"       , SDTIntShiftOp>;
428def shl        : SDNode<"ISD::SHL"       , SDTIntShiftOp>;
429def rotl       : SDNode<"ISD::ROTL"      , SDTIntShiftOp>;
430def rotr       : SDNode<"ISD::ROTR"      , SDTIntShiftOp>;
431def shl_parts  : SDNode<"ISD::SHL_PARTS" , SDTIntShiftPairOp>;
432def sra_parts  : SDNode<"ISD::SRA_PARTS" , SDTIntShiftPairOp>;
433def srl_parts  : SDNode<"ISD::SRL_PARTS" , SDTIntShiftPairOp>;
434def fshl       : SDNode<"ISD::FSHL"      , SDTIntShiftDOp>;
435def fshr       : SDNode<"ISD::FSHR"      , SDTIntShiftDOp>;
436def and        : SDNode<"ISD::AND"       , SDTIntBinOp,
437                        [SDNPCommutative, SDNPAssociative]>;
438def or         : SDNode<"ISD::OR"        , SDTIntBinOp,
439                        [SDNPCommutative, SDNPAssociative]>;
440def xor        : SDNode<"ISD::XOR"       , SDTIntBinOp,
441                        [SDNPCommutative, SDNPAssociative]>;
442def addc       : SDNode<"ISD::ADDC"      , SDTIntBinOp,
443                        [SDNPCommutative, SDNPOutGlue]>;
444def adde       : SDNode<"ISD::ADDE"      , SDTIntBinOp,
445                        [SDNPCommutative, SDNPOutGlue, SDNPInGlue]>;
446def subc       : SDNode<"ISD::SUBC"      , SDTIntBinOp,
447                        [SDNPOutGlue]>;
448def sube       : SDNode<"ISD::SUBE"      , SDTIntBinOp,
449                        [SDNPOutGlue, SDNPInGlue]>;
450def smin       : SDNode<"ISD::SMIN"      , SDTIntBinOp,
451                                  [SDNPCommutative, SDNPAssociative]>;
452def smax       : SDNode<"ISD::SMAX"      , SDTIntBinOp,
453                                  [SDNPCommutative, SDNPAssociative]>;
454def umin       : SDNode<"ISD::UMIN"      , SDTIntBinOp,
455                                  [SDNPCommutative, SDNPAssociative]>;
456def umax       : SDNode<"ISD::UMAX"      , SDTIntBinOp,
457                                  [SDNPCommutative, SDNPAssociative]>;
458
459def scmp       : SDNode<"ISD::SCMP"      , SDTIntBinOp,
460                                  []>;
461def ucmp       : SDNode<"ISD::UCMP"      , SDTIntBinOp,
462                                  []>;
463
464def saddsat    : SDNode<"ISD::SADDSAT"   , SDTIntBinOp, [SDNPCommutative]>;
465def uaddsat    : SDNode<"ISD::UADDSAT"   , SDTIntBinOp, [SDNPCommutative]>;
466def ssubsat    : SDNode<"ISD::SSUBSAT"   , SDTIntBinOp>;
467def usubsat    : SDNode<"ISD::USUBSAT"   , SDTIntBinOp>;
468def sshlsat    : SDNode<"ISD::SSHLSAT"   , SDTIntBinOp>;
469def ushlsat    : SDNode<"ISD::USHLSAT"   , SDTIntBinOp>;
470
471def smulfix    : SDNode<"ISD::SMULFIX"   , SDTIntScaledBinOp, [SDNPCommutative]>;
472def smulfixsat : SDNode<"ISD::SMULFIXSAT", SDTIntScaledBinOp, [SDNPCommutative]>;
473def umulfix    : SDNode<"ISD::UMULFIX"   , SDTIntScaledBinOp, [SDNPCommutative]>;
474def umulfixsat : SDNode<"ISD::UMULFIXSAT", SDTIntScaledBinOp, [SDNPCommutative]>;
475def sdivfix    : SDNode<"ISD::SDIVFIX"   , SDTIntScaledBinOp>;
476def sdivfixsat : SDNode<"ISD::SDIVFIXSAT", SDTIntScaledBinOp>;
477def udivfix    : SDNode<"ISD::UDIVFIX"   , SDTIntScaledBinOp>;
478def udivfixsat : SDNode<"ISD::UDIVFIXSAT", SDTIntScaledBinOp>;
479
480def sext_inreg : SDNode<"ISD::SIGN_EXTEND_INREG", SDTExtInreg>;
481def sext_invec : SDNode<"ISD::SIGN_EXTEND_VECTOR_INREG", SDTExtInvec>;
482def zext_invec : SDNode<"ISD::ZERO_EXTEND_VECTOR_INREG", SDTExtInvec>;
483
484def abs        : SDNode<"ISD::ABS"        , SDTIntUnaryOp>;
485def bitreverse : SDNode<"ISD::BITREVERSE" , SDTIntUnaryOp>;
486def bswap      : SDNode<"ISD::BSWAP"      , SDTIntUnaryOp>;
487def ctlz       : SDNode<"ISD::CTLZ"       , SDTIntBitCountUnaryOp>;
488def cttz       : SDNode<"ISD::CTTZ"       , SDTIntBitCountUnaryOp>;
489def ctpop      : SDNode<"ISD::CTPOP"      , SDTIntBitCountUnaryOp>;
490def ctlz_zero_undef : SDNode<"ISD::CTLZ_ZERO_UNDEF", SDTIntBitCountUnaryOp>;
491def cttz_zero_undef : SDNode<"ISD::CTTZ_ZERO_UNDEF", SDTIntBitCountUnaryOp>;
492def sext       : SDNode<"ISD::SIGN_EXTEND", SDTIntExtendOp>;
493def zext       : SDNode<"ISD::ZERO_EXTEND", SDTIntExtendOp>;
494def anyext     : SDNode<"ISD::ANY_EXTEND" , SDTIntExtendOp>;
495def trunc      : SDNode<"ISD::TRUNCATE"   , SDTIntTruncOp>;
496def truncssat_s : SDNode<"ISD::TRUNCATE_SSAT_S", SDTIntTruncOp>;
497def truncssat_u : SDNode<"ISD::TRUNCATE_SSAT_U", SDTIntTruncOp>;
498def truncusat_u : SDNode<"ISD::TRUNCATE_USAT_U", SDTIntTruncOp>;
499def bitconvert : SDNode<"ISD::BITCAST"    , SDTUnaryOp>;
500def addrspacecast : SDNode<"ISD::ADDRSPACECAST", SDTUnaryOp>;
501def freeze     : SDNode<"ISD::FREEZE"     , SDTFreeze>;
502def extractelt : SDNode<"ISD::EXTRACT_VECTOR_ELT", SDTVecExtract>;
503def insertelt  : SDNode<"ISD::INSERT_VECTOR_ELT", SDTVecInsert>;
504
505def vecreduce_add  : SDNode<"ISD::VECREDUCE_ADD", SDTVecReduce>;
506def vecreduce_smax  : SDNode<"ISD::VECREDUCE_SMAX", SDTVecReduce>;
507def vecreduce_umax  : SDNode<"ISD::VECREDUCE_UMAX", SDTVecReduce>;
508def vecreduce_smin  : SDNode<"ISD::VECREDUCE_SMIN", SDTVecReduce>;
509def vecreduce_umin  : SDNode<"ISD::VECREDUCE_UMIN", SDTVecReduce>;
510def vecreduce_fadd  : SDNode<"ISD::VECREDUCE_FADD", SDTFPVecReduce>;
511def vecreduce_fmin  : SDNode<"ISD::VECREDUCE_FMIN", SDTFPVecReduce>;
512def vecreduce_fmax  : SDNode<"ISD::VECREDUCE_FMAX", SDTFPVecReduce>;
513def vecreduce_fminimum : SDNode<"ISD::VECREDUCE_FMINIMUM", SDTFPVecReduce>;
514def vecreduce_fmaximum : SDNode<"ISD::VECREDUCE_FMAXIMUM", SDTFPVecReduce>;
515
516def fadd       : SDNode<"ISD::FADD"       , SDTFPBinOp, [SDNPCommutative]>;
517def fsub       : SDNode<"ISD::FSUB"       , SDTFPBinOp>;
518def fmul       : SDNode<"ISD::FMUL"       , SDTFPBinOp, [SDNPCommutative]>;
519def fdiv       : SDNode<"ISD::FDIV"       , SDTFPBinOp>;
520def frem       : SDNode<"ISD::FREM"       , SDTFPBinOp>;
521def fma        : SDNode<"ISD::FMA"        , SDTFPTernaryOp, [SDNPCommutative]>;
522def fmad       : SDNode<"ISD::FMAD"       , SDTFPTernaryOp, [SDNPCommutative]>;
523def fabs       : SDNode<"ISD::FABS"       , SDTFPUnaryOp>;
524def fminnum    : SDNode<"ISD::FMINNUM"    , SDTFPBinOp,
525                                  [SDNPCommutative, SDNPAssociative]>;
526def fmaxnum    : SDNode<"ISD::FMAXNUM"    , SDTFPBinOp,
527                                  [SDNPCommutative, SDNPAssociative]>;
528def fminnum_ieee : SDNode<"ISD::FMINNUM_IEEE", SDTFPBinOp,
529                          [SDNPCommutative]>;
530def fmaxnum_ieee  : SDNode<"ISD::FMAXNUM_IEEE", SDTFPBinOp,
531                           [SDNPCommutative]>;
532def fminimum   : SDNode<"ISD::FMINIMUM"   , SDTFPBinOp,
533                        [SDNPCommutative, SDNPAssociative]>;
534def fmaximum   : SDNode<"ISD::FMAXIMUM"   , SDTFPBinOp,
535                        [SDNPCommutative, SDNPAssociative]>;
536def fminimumnum   : SDNode<"ISD::FMINIMUMNUM"   , SDTFPBinOp,
537                        [SDNPCommutative, SDNPAssociative]>;
538def fmaximumnum   : SDNode<"ISD::FMAXIMUMNUM"   , SDTFPBinOp,
539                        [SDNPCommutative, SDNPAssociative]>;
540def fgetsign   : SDNode<"ISD::FGETSIGN"   , SDTFPToIntOp>;
541def fcanonicalize : SDNode<"ISD::FCANONICALIZE", SDTFPUnaryOp>;
542def fneg       : SDNode<"ISD::FNEG"       , SDTFPUnaryOp>;
543def fsqrt      : SDNode<"ISD::FSQRT"      , SDTFPUnaryOp>;
544def fsin       : SDNode<"ISD::FSIN"       , SDTFPUnaryOp>;
545def fcos       : SDNode<"ISD::FCOS"       , SDTFPUnaryOp>;
546def ftan       : SDNode<"ISD::FTAN"       , SDTFPUnaryOp>;
547def fasin      : SDNode<"ISD::FASIN"      , SDTFPUnaryOp>;
548def facos      : SDNode<"ISD::FACOS"      , SDTFPUnaryOp>;
549def fatan      : SDNode<"ISD::FATAN"      , SDTFPUnaryOp>;
550def fatan2     : SDNode<"ISD::FATAN2"     , SDTFPBinOp>;
551def fsinh      : SDNode<"ISD::FSINH"      , SDTFPUnaryOp>;
552def fcosh      : SDNode<"ISD::FCOSH"      , SDTFPUnaryOp>;
553def ftanh      : SDNode<"ISD::FTANH"      , SDTFPUnaryOp>;
554def fexp2      : SDNode<"ISD::FEXP2"      , SDTFPUnaryOp>;
555def fexp10     : SDNode<"ISD::FEXP10"     , SDTFPUnaryOp>;
556def fpow       : SDNode<"ISD::FPOW"       , SDTFPBinOp>;
557def flog2      : SDNode<"ISD::FLOG2"      , SDTFPUnaryOp>;
558def fldexp     : SDNode<"ISD::FLDEXP"     , SDTFPExpOp>;
559def frint      : SDNode<"ISD::FRINT"      , SDTFPUnaryOp>;
560def ftrunc     : SDNode<"ISD::FTRUNC"     , SDTFPUnaryOp>;
561def fceil      : SDNode<"ISD::FCEIL"      , SDTFPUnaryOp>;
562def ffloor     : SDNode<"ISD::FFLOOR"     , SDTFPUnaryOp>;
563def fnearbyint : SDNode<"ISD::FNEARBYINT" , SDTFPUnaryOp>;
564def fround     : SDNode<"ISD::FROUND"     , SDTFPUnaryOp>;
565def froundeven : SDNode<"ISD::FROUNDEVEN" , SDTFPUnaryOp>;
566
567def lround     : SDNode<"ISD::LROUND"     , SDTFPToIntOp>;
568def llround    : SDNode<"ISD::LLROUND"    , SDTFPToIntOp>;
569def lrint      : SDNode<"ISD::LRINT"      , SDTFPToIntOp>;
570def llrint     : SDNode<"ISD::LLRINT"     , SDTFPToIntOp>;
571
572def fptrunc_round : SDNode<"ISD::FPTRUNC_ROUND", SDTFPTruncRoundOp>;
573
574def fpround    : SDNode<"ISD::FP_ROUND"   , SDTFPRoundOp>;
575def fpextend   : SDNode<"ISD::FP_EXTEND"  , SDTFPExtendOp>;
576def fcopysign  : SDNode<"ISD::FCOPYSIGN"  , SDTFPSignOp>;
577
578def is_fpclass : SDNode<"ISD::IS_FPCLASS" , SDIsFPClassOp>;
579
580def sint_to_fp : SDNode<"ISD::SINT_TO_FP" , SDTIntToFPOp>;
581def uint_to_fp : SDNode<"ISD::UINT_TO_FP" , SDTIntToFPOp>;
582def fp_to_sint : SDNode<"ISD::FP_TO_SINT" , SDTFPToIntOp>;
583def fp_to_uint : SDNode<"ISD::FP_TO_UINT" , SDTFPToIntOp>;
584def fp_to_sint_sat : SDNode<"ISD::FP_TO_SINT_SAT" , SDTFPToIntSatOp>;
585def fp_to_uint_sat : SDNode<"ISD::FP_TO_UINT_SAT" , SDTFPToIntSatOp>;
586def fp_to_sint_sat_gi : SDNode<"ISD::FP_TO_SINT_SAT" , SDTFPToIntOp>;
587def fp_to_uint_sat_gi : SDNode<"ISD::FP_TO_UINT_SAT" , SDTFPToIntOp>;
588def f16_to_fp  : SDNode<"ISD::FP16_TO_FP" , SDTIntToFPOp>;
589def fp_to_f16  : SDNode<"ISD::FP_TO_FP16" , SDTFPToIntOp>;
590def bf16_to_fp  : SDNode<"ISD::BF16_TO_FP" , SDTIntToFPOp>;
591def fp_to_bf16  : SDNode<"ISD::FP_TO_BF16" , SDTFPToIntOp>;
592
593def strict_fadd       : SDNode<"ISD::STRICT_FADD",
594                               SDTFPBinOp, [SDNPHasChain, SDNPCommutative]>;
595def strict_fsub       : SDNode<"ISD::STRICT_FSUB",
596                               SDTFPBinOp, [SDNPHasChain]>;
597def strict_fmul       : SDNode<"ISD::STRICT_FMUL",
598                               SDTFPBinOp, [SDNPHasChain, SDNPCommutative]>;
599def strict_fdiv       : SDNode<"ISD::STRICT_FDIV",
600                               SDTFPBinOp, [SDNPHasChain]>;
601def strict_frem       : SDNode<"ISD::STRICT_FREM",
602                               SDTFPBinOp, [SDNPHasChain]>;
603def strict_fma        : SDNode<"ISD::STRICT_FMA",
604                               SDTFPTernaryOp, [SDNPHasChain, SDNPCommutative]>;
605def strict_fsqrt      : SDNode<"ISD::STRICT_FSQRT",
606                               SDTFPUnaryOp, [SDNPHasChain]>;
607def strict_fsin       : SDNode<"ISD::STRICT_FSIN",
608                               SDTFPUnaryOp, [SDNPHasChain]>;
609def strict_fcos       : SDNode<"ISD::STRICT_FCOS",
610                               SDTFPUnaryOp, [SDNPHasChain]>;
611def strict_ftan       : SDNode<"ISD::STRICT_FTAN",
612                               SDTFPUnaryOp, [SDNPHasChain]>;
613def strict_fasin      : SDNode<"ISD::STRICT_FASIN",
614                               SDTFPUnaryOp, [SDNPHasChain]>;
615def strict_facos      : SDNode<"ISD::STRICT_FACOS",
616                               SDTFPUnaryOp, [SDNPHasChain]>;
617def strict_fatan      : SDNode<"ISD::STRICT_FATAN",
618                               SDTFPUnaryOp, [SDNPHasChain]>;
619def strict_fatan2     : SDNode<"ISD::STRICT_FATAN2",
620                               SDTFPBinOp, [SDNPHasChain]>;
621def strict_fsinh      : SDNode<"ISD::STRICT_FSINH",
622                               SDTFPUnaryOp, [SDNPHasChain]>;
623def strict_fcosh      : SDNode<"ISD::STRICT_FCOSH",
624                               SDTFPUnaryOp, [SDNPHasChain]>;
625def strict_ftanh      : SDNode<"ISD::STRICT_FTANH",
626                               SDTFPUnaryOp, [SDNPHasChain]>;
627def strict_fexp2      : SDNode<"ISD::STRICT_FEXP2",
628                               SDTFPUnaryOp, [SDNPHasChain]>;
629def strict_fpow       : SDNode<"ISD::STRICT_FPOW",
630                               SDTFPBinOp, [SDNPHasChain]>;
631def strict_fldexp     : SDNode<"ISD::STRICT_FLDEXP",
632                               SDTFPExpOp, [SDNPHasChain]>;
633def strict_flog2      : SDNode<"ISD::STRICT_FLOG2",
634                               SDTFPUnaryOp, [SDNPHasChain]>;
635def strict_frint      : SDNode<"ISD::STRICT_FRINT",
636                               SDTFPUnaryOp, [SDNPHasChain]>;
637def strict_lrint      : SDNode<"ISD::STRICT_LRINT",
638                               SDTFPToIntOp, [SDNPHasChain]>;
639def strict_llrint     : SDNode<"ISD::STRICT_LLRINT",
640                               SDTFPToIntOp, [SDNPHasChain]>;
641def strict_fnearbyint : SDNode<"ISD::STRICT_FNEARBYINT",
642                               SDTFPUnaryOp, [SDNPHasChain]>;
643def strict_fceil      : SDNode<"ISD::STRICT_FCEIL",
644                               SDTFPUnaryOp, [SDNPHasChain]>;
645def strict_ffloor     : SDNode<"ISD::STRICT_FFLOOR",
646                               SDTFPUnaryOp, [SDNPHasChain]>;
647def strict_lround     : SDNode<"ISD::STRICT_LROUND",
648                               SDTFPToIntOp, [SDNPHasChain]>;
649def strict_llround    : SDNode<"ISD::STRICT_LLROUND",
650                               SDTFPToIntOp, [SDNPHasChain]>;
651def strict_fround     : SDNode<"ISD::STRICT_FROUND",
652                               SDTFPUnaryOp, [SDNPHasChain]>;
653def strict_froundeven : SDNode<"ISD::STRICT_FROUNDEVEN",
654                               SDTFPUnaryOp, [SDNPHasChain]>;
655def strict_ftrunc     : SDNode<"ISD::STRICT_FTRUNC",
656                               SDTFPUnaryOp, [SDNPHasChain]>;
657def strict_fminnum    : SDNode<"ISD::STRICT_FMINNUM",
658                               SDTFPBinOp, [SDNPHasChain,
659                                            SDNPCommutative, SDNPAssociative]>;
660def strict_fmaxnum    : SDNode<"ISD::STRICT_FMAXNUM",
661                               SDTFPBinOp, [SDNPHasChain,
662                                            SDNPCommutative, SDNPAssociative]>;
663def strict_fminimum   : SDNode<"ISD::STRICT_FMINIMUM",
664                               SDTFPBinOp, [SDNPHasChain,
665                                            SDNPCommutative, SDNPAssociative]>;
666def strict_fmaximum   : SDNode<"ISD::STRICT_FMAXIMUM",
667                               SDTFPBinOp, [SDNPHasChain,
668                                            SDNPCommutative, SDNPAssociative]>;
669def strict_fpround    : SDNode<"ISD::STRICT_FP_ROUND",
670                               SDTFPRoundOp, [SDNPHasChain]>;
671def strict_fpextend   : SDNode<"ISD::STRICT_FP_EXTEND",
672                               SDTFPExtendOp, [SDNPHasChain]>;
673def strict_fp_to_sint : SDNode<"ISD::STRICT_FP_TO_SINT",
674                               SDTFPToIntOp, [SDNPHasChain]>;
675def strict_fp_to_uint : SDNode<"ISD::STRICT_FP_TO_UINT",
676                               SDTFPToIntOp, [SDNPHasChain]>;
677def strict_sint_to_fp : SDNode<"ISD::STRICT_SINT_TO_FP",
678                               SDTIntToFPOp, [SDNPHasChain]>;
679def strict_uint_to_fp : SDNode<"ISD::STRICT_UINT_TO_FP",
680                               SDTIntToFPOp, [SDNPHasChain]>;
681
682def strict_f16_to_fp  : SDNode<"ISD::STRICT_FP16_TO_FP",
683                               SDTIntToFPOp, [SDNPHasChain]>;
684def strict_fp_to_f16  : SDNode<"ISD::STRICT_FP_TO_FP16",
685                               SDTFPToIntOp, [SDNPHasChain]>;
686
687def strict_bf16_to_fp  : SDNode<"ISD::STRICT_BF16_TO_FP",
688                               SDTIntToFPOp, [SDNPHasChain]>;
689def strict_fp_to_bf16  : SDNode<"ISD::STRICT_FP_TO_BF16",
690                               SDTFPToIntOp, [SDNPHasChain]>;
691
692def strict_fsetcc  : SDNode<"ISD::STRICT_FSETCC",  SDTSetCC, [SDNPHasChain]>;
693def strict_fsetccs : SDNode<"ISD::STRICT_FSETCCS", SDTSetCC, [SDNPHasChain]>;
694
695def get_fpenv      : SDNode<"ISD::GET_FPENV", SDTGetFPStateOp, [SDNPHasChain]>;
696def set_fpenv      : SDNode<"ISD::SET_FPENV", SDTSetFPStateOp, [SDNPHasChain]>;
697def reset_fpenv    : SDNode<"ISD::RESET_FPENV", SDTNone, [SDNPHasChain]>;
698def get_fpmode     : SDNode<"ISD::GET_FPMODE", SDTGetFPStateOp, [SDNPHasChain]>;
699def set_fpmode     : SDNode<"ISD::SET_FPMODE", SDTSetFPStateOp, [SDNPHasChain]>;
700def reset_fpmode   : SDNode<"ISD::RESET_FPMODE", SDTNone, [SDNPHasChain]>;
701
702def setcc      : SDNode<"ISD::SETCC"      , SDTSetCC>;
703def select     : SDNode<"ISD::SELECT"     , SDTSelect>;
704def vselect    : SDNode<"ISD::VSELECT"    , SDTVSelect>;
705def selectcc   : SDNode<"ISD::SELECT_CC"  , SDTSelectCC>;
706
707def brcc       : SDNode<"ISD::BR_CC"      , SDTBrCC,   [SDNPHasChain]>;
708def brcond     : SDNode<"ISD::BRCOND"     , SDTBrcond, [SDNPHasChain]>;
709def brind      : SDNode<"ISD::BRIND"      , SDTBrind,  [SDNPHasChain]>;
710def br         : SDNode<"ISD::BR"         , SDTBr,     [SDNPHasChain]>;
711def catchret   : SDNode<"ISD::CATCHRET"   , SDTCatchret,
712                        [SDNPHasChain, SDNPSideEffect]>;
713def cleanupret : SDNode<"ISD::CLEANUPRET" , SDTCleanupret, [SDNPHasChain]>;
714
715def trap       : SDNode<"ISD::TRAP"       , SDTNone,
716                        [SDNPHasChain, SDNPSideEffect]>;
717def debugtrap  : SDNode<"ISD::DEBUGTRAP"  , SDTNone,
718                        [SDNPHasChain, SDNPSideEffect]>;
719def ubsantrap  : SDNode<"ISD::UBSANTRAP"  , SDTUBSANTrap,
720                        [SDNPHasChain, SDNPSideEffect]>;
721
722def prefetch   : SDNode<"ISD::PREFETCH"   , SDTPrefetch,
723                        [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
724                         SDNPMemOperand]>;
725
726def readcyclecounter : SDNode<"ISD::READCYCLECOUNTER", SDTIntLeaf,
727                     [SDNPHasChain, SDNPSideEffect]>;
728
729def readsteadycounter : SDNode<"ISD::READSTEADYCOUNTER", SDTIntLeaf,
730                     [SDNPHasChain, SDNPSideEffect]>;
731
732def membarrier : SDNode<"ISD::MEMBARRIER", SDTNone,
733                        [SDNPHasChain, SDNPSideEffect]>;
734
735def jump_table_debug_info : SDNode<"ISD::JUMP_TABLE_DEBUG_INFO", SDTNone,
736                        [SDNPHasChain]>;
737
738def atomic_fence : SDNode<"ISD::ATOMIC_FENCE" , SDTAtomicFence,
739                          [SDNPHasChain, SDNPSideEffect]>;
740
741def atomic_cmp_swap : SDNode<"ISD::ATOMIC_CMP_SWAP" , SDTAtomic3,
742                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
743def atomic_load_add : SDNode<"ISD::ATOMIC_LOAD_ADD" , SDTAtomic2,
744                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
745def atomic_swap     : SDNode<"ISD::ATOMIC_SWAP", SDTAtomic2,
746                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
747def atomic_load_sub : SDNode<"ISD::ATOMIC_LOAD_SUB" , SDTAtomic2,
748                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
749def atomic_load_and : SDNode<"ISD::ATOMIC_LOAD_AND" , SDTAtomic2,
750                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
751def atomic_load_clr : SDNode<"ISD::ATOMIC_LOAD_CLR" , SDTAtomic2,
752                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
753def atomic_load_or  : SDNode<"ISD::ATOMIC_LOAD_OR" , SDTAtomic2,
754                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
755def atomic_load_xor : SDNode<"ISD::ATOMIC_LOAD_XOR" , SDTAtomic2,
756                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
757def atomic_load_nand: SDNode<"ISD::ATOMIC_LOAD_NAND", SDTAtomic2,
758                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
759def atomic_load_min : SDNode<"ISD::ATOMIC_LOAD_MIN", SDTAtomic2,
760                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
761def atomic_load_max : SDNode<"ISD::ATOMIC_LOAD_MAX", SDTAtomic2,
762                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
763def atomic_load_umin : SDNode<"ISD::ATOMIC_LOAD_UMIN", SDTAtomic2,
764                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
765def atomic_load_umax : SDNode<"ISD::ATOMIC_LOAD_UMAX", SDTAtomic2,
766                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
767def atomic_load_fadd : SDNode<"ISD::ATOMIC_LOAD_FADD" , SDTFPAtomic2,
768                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
769def atomic_load_fsub : SDNode<"ISD::ATOMIC_LOAD_FSUB" , SDTFPAtomic2,
770                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
771def atomic_load_fmax : SDNode<"ISD::ATOMIC_LOAD_FMAX", SDTFPAtomic2,
772                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
773def atomic_load_fmin : SDNode<"ISD::ATOMIC_LOAD_FMIN", SDTFPAtomic2,
774                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
775def atomic_load_uinc_wrap : SDNode<"ISD::ATOMIC_LOAD_UINC_WRAP", SDTAtomic2,
776                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
777def atomic_load_udec_wrap : SDNode<"ISD::ATOMIC_LOAD_UDEC_WRAP", SDTAtomic2,
778                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
779def atomic_load_usub_cond : SDNode<"ISD::ATOMIC_LOAD_USUB_COND", SDTAtomic2,
780                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
781def atomic_load_usub_sat : SDNode<"ISD::ATOMIC_LOAD_USUB_SAT", SDTAtomic2,
782                    [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
783
784def atomic_load      : SDNode<"ISD::ATOMIC_LOAD", SDTAtomicLoad,
785                    [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
786def atomic_store     : SDNode<"ISD::ATOMIC_STORE", SDTAtomicStore,
787                    [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
788
789def masked_st    : SDNode<"ISD::MSTORE",  SDTMaskedStore,
790                       [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
791def masked_ld    : SDNode<"ISD::MLOAD",  SDTMaskedLoad,
792                       [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
793
794def masked_gather : SDNode<"ISD::MGATHER", SDTMaskedGather,
795                           [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
796
797def masked_scatter : SDNode<"ISD::MSCATTER", SDTMaskedScatter,
798                            [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
799
800def vector_compress : SDNode<"ISD::VECTOR_COMPRESS", SDTVectorCompress>;
801
802// Do not use ld, st directly. Use load, extload, sextload, zextload, store,
803// and truncst (see below).
804def ld         : SDNode<"ISD::LOAD"       , SDTLoad,
805                        [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
806def st         : SDNode<"ISD::STORE"      , SDTStore,
807                        [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
808def ist        : SDNode<"ISD::STORE"      , SDTIStore,
809                        [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
810
811def vector_shuffle : SDNode<"ISD::VECTOR_SHUFFLE", SDTVecShuffle, []>;
812def vector_reverse : SDNode<"ISD::VECTOR_REVERSE", SDTVecReverse>;
813def vector_splice : SDNode<"ISD::VECTOR_SPLICE", SDTVecSlice, []>;
814def build_vector : SDNode<"ISD::BUILD_VECTOR", SDTypeProfile<1, -1, []>, []>;
815def splat_vector : SDNode<"ISD::SPLAT_VECTOR", SDTypeProfile<1, 1, []>, []>;
816def step_vector : SDNode<"ISD::STEP_VECTOR", SDTypeProfile<1, 1,
817                       [SDTCisVec<0>, SDTCisInt<1>]>, []>;
818def scalar_to_vector : SDNode<"ISD::SCALAR_TO_VECTOR", SDTypeProfile<1, 1, []>,
819                              []>;
820
821// vector_extract/vector_insert are deprecated. extractelt/insertelt
822// are preferred.
823def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT",
824    SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>;
825def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT",
826    SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>;
827def concat_vectors : SDNode<"ISD::CONCAT_VECTORS",
828    SDTypeProfile<1, 2, [SDTCisSubVecOfVec<1, 0>, SDTCisSameAs<1, 2>]>,[]>;
829
830// This operator does not do subvector type checking.  The ARM
831// backend, at least, needs it.
832def vector_extract_subvec : SDNode<"ISD::EXTRACT_SUBVECTOR",
833    SDTypeProfile<1, 2, [SDTCisInt<2>, SDTCisVec<1>, SDTCisVec<0>]>,
834    []>;
835def vector_insert_subvec : SDNode<"ISD::INSERT_SUBVECTOR",
836    SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVec<2>, SDTCisInt<3>]>,
837    []>;
838
839// This operator does subvector type checking.
840def extract_subvector : SDNode<"ISD::EXTRACT_SUBVECTOR", SDTSubVecExtract, []>;
841def insert_subvector : SDNode<"ISD::INSERT_SUBVECTOR", SDTSubVecInsert, []>;
842
843// Nodes for intrinsics, you should use the intrinsic itself and let tblgen use
844// these internally.  Don't reference these directly.
845def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID",
846                            SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>,
847                            [SDNPHasChain]>;
848def intrinsic_w_chain : SDNode<"ISD::INTRINSIC_W_CHAIN",
849                               SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>,
850                               [SDNPHasChain]>;
851def intrinsic_wo_chain : SDNode<"ISD::INTRINSIC_WO_CHAIN",
852                                SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>, []>;
853
854def SDT_assert : SDTypeProfile<1, 1,
855  [SDTCisInt<0>, SDTCisInt<1>, SDTCisSameAs<1, 0>]>;
856def assertsext : SDNode<"ISD::AssertSext", SDT_assert>;
857def assertzext : SDNode<"ISD::AssertZext", SDT_assert>;
858def assertalign : SDNode<"ISD::AssertAlign", SDT_assert>;
859
860def convergencectrl_anchor : SDNode<"ISD::CONVERGENCECTRL_ANCHOR",
861                                    SDTypeProfile<1, 0, [SDTCisVT<0,untyped>]>>;
862def convergencectrl_entry  : SDNode<"ISD::CONVERGENCECTRL_ENTRY",
863                                    SDTypeProfile<1, 0, [SDTCisVT<0,untyped>]>>;
864def convergencectrl_loop   : SDNode<"ISD::CONVERGENCECTRL_LOOP",
865                                    SDTypeProfile<1, 1,
866                                      [SDTCisVT<0,untyped>, SDTCisVT<1,untyped>]>>;
867def convergencectrl_glue   : SDNode<"ISD::CONVERGENCECTRL_GLUE",
868                                    SDTypeProfile<0, 1, [SDTCisVT<0, untyped>]>>;
869
870//===----------------------------------------------------------------------===//
871// Selection DAG Condition Codes
872
873class CondCode<string fcmpName = "", string icmpName = ""> {
874  string ICmpPredicate = icmpName;
875  string FCmpPredicate = fcmpName;
876}
877
878// ISD::CondCode enums, and mapping to CmpInst::Predicate names
879def SETOEQ : CondCode<"FCMP_OEQ">;
880def SETOGT : CondCode<"FCMP_OGT">;
881def SETOGE : CondCode<"FCMP_OGE">;
882def SETOLT : CondCode<"FCMP_OLT">;
883def SETOLE : CondCode<"FCMP_OLE">;
884def SETONE : CondCode<"FCMP_ONE">;
885def SETO   : CondCode<"FCMP_ORD">;
886def SETUO  : CondCode<"FCMP_UNO">;
887def SETUEQ : CondCode<"FCMP_UEQ">;
888def SETUGT : CondCode<"FCMP_UGT", "ICMP_UGT">;
889def SETUGE : CondCode<"FCMP_UGE", "ICMP_UGE">;
890def SETULT : CondCode<"FCMP_ULT", "ICMP_ULT">;
891def SETULE : CondCode<"FCMP_ULE", "ICMP_ULE">;
892def SETUNE : CondCode<"FCMP_UNE">;
893def SETEQ : CondCode<"", "ICMP_EQ">;
894def SETGT : CondCode<"", "ICMP_SGT">;
895def SETGE : CondCode<"", "ICMP_SGE">;
896def SETLT : CondCode<"", "ICMP_SLT">;
897def SETLE : CondCode<"", "ICMP_SLE">;
898def SETNE : CondCode<"", "ICMP_NE">;
899
900//===----------------------------------------------------------------------===//
901// Selection DAG Node Transformation Functions.
902//
903// This mechanism allows targets to manipulate nodes in the output DAG once a
904// match has been formed.  This is typically used to manipulate immediate
905// values.
906//
907class SDNodeXForm<SDNode opc, code xformFunction> {
908  SDNode Opcode = opc;
909  code XFormFunction = xformFunction;
910}
911
912def NOOP_SDNodeXForm : SDNodeXForm<imm, [{}]>;
913
914//===----------------------------------------------------------------------===//
915// Selection DAG Pattern Fragments.
916//
917// Pattern fragments are reusable chunks of dags that match specific things.
918// They can take arguments and have C++ predicates that control whether they
919// match.  They are intended to make the patterns for common instructions more
920// compact and readable.
921//
922
923/// PatFrags - Represents a set of pattern fragments.  Each single fragment
924/// can match something on the DAG, from a single node to multiple nested other
925/// fragments.   The whole set of fragments matches if any of the single
926/// fragments match.  This allows e.g. matching and "add with overflow" and
927/// a regular "add" with the same fragment set.
928///
929class PatFrags<dag ops, list<dag> frags, code pred = [{}],
930               SDNodeXForm xform = NOOP_SDNodeXForm> : SDPatternOperator {
931  dag Operands = ops;
932  list<dag> Fragments = frags;
933  code PredicateCode = pred;
934  code GISelPredicateCode = [{}];
935  code ImmediateCode = [{}];
936  SDNodeXForm OperandTransform = xform;
937
938  // When this is set, the PredicateCode may refer to a constant Operands
939  // vector which contains the captured nodes of the DAG, in the order listed
940  // by the Operands field above.
941  //
942  // This is useful when Fragments involves associative / commutative
943  // operators: a single piece of code can easily refer to all operands even
944  // when re-associated / commuted variants of the fragment are matched.
945  bit PredicateCodeUsesOperands = false;
946
947  // Define a few pre-packaged predicates. This helps GlobalISel import
948  // existing rules from SelectionDAG for many common cases.
949  // They will be tested prior to the code in pred and must not be used in
950  // ImmLeaf and its subclasses.
951
952  // If set to true, a predicate is added that checks for the absence of use of
953  // the first result.
954  bit HasNoUse = ?;
955  // If set to true, a predicate is added that checks for the sole use of
956  // the first result.
957  bit HasOneUse = ?;
958
959  // Is the desired pre-packaged predicate for a load?
960  bit IsLoad = ?;
961  // Is the desired pre-packaged predicate for a store?
962  bit IsStore = ?;
963  // Is the desired pre-packaged predicate for an atomic?
964  bit IsAtomic = ?;
965
966  // cast<LoadSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
967  // cast<StoreSDNode>(N)->getAddressingMode() == ISD::UNINDEXED;
968  bit IsUnindexed = ?;
969
970  // cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD
971  bit IsNonExtLoad = ?;
972  // cast<LoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD;
973  bit IsAnyExtLoad = ?;
974  // cast<LoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD;
975  bit IsSignExtLoad = ?;
976  // cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
977  bit IsZeroExtLoad = ?;
978  // !cast<StoreSDNode>(N)->isTruncatingStore();
979  // cast<StoreSDNode>(N)->isTruncatingStore();
980  bit IsTruncStore = ?;
981
982  // cast<MemSDNode>(N)->getAddressSpace() ==
983  // If this empty, accept any address space.
984  list<int> AddressSpaces = ?;
985
986  // cast<MemSDNode>(N)->getAlign() >=
987  // If this is empty, accept any alignment.
988  int MinAlignment = ?;
989
990  // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Monotonic
991  bit IsAtomicOrderingMonotonic = ?;
992  // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Acquire
993  bit IsAtomicOrderingAcquire = ?;
994  // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::Release
995  bit IsAtomicOrderingRelease = ?;
996  // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::AcquireRelease
997  bit IsAtomicOrderingAcquireRelease = ?;
998  // cast<AtomicSDNode>(N)->getOrdering() == AtomicOrdering::SequentiallyConsistent
999  bit IsAtomicOrderingSequentiallyConsistent = ?;
1000
1001  // isAcquireOrStronger(cast<AtomicSDNode>(N)->getOrdering())
1002  // !isAcquireOrStronger(cast<AtomicSDNode>(N)->getOrdering())
1003  bit IsAtomicOrderingAcquireOrStronger = ?;
1004
1005  // isReleaseOrStronger(cast<AtomicSDNode>(N)->getOrdering())
1006  // !isReleaseOrStronger(cast<AtomicSDNode>(N)->getOrdering())
1007  bit IsAtomicOrderingReleaseOrStronger = ?;
1008
1009  // cast<LoadSDNode>(N)->getMemoryVT() == MVT::<VT>;
1010  // cast<StoreSDNode>(N)->getMemoryVT() == MVT::<VT>;
1011  ValueType MemoryVT = ?;
1012  // cast<LoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::<VT>;
1013  // cast<StoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::<VT>;
1014  ValueType ScalarMemoryVT = ?;
1015}
1016
1017// Patterns and PatFrags can also subclass GISelFlags to set flags that affect
1018// how GlobalISel behaves when matching them.
1019class GISelFlags {
1020  bit GIIgnoreCopies = ?;
1021}
1022
1023// PatFrag - A version of PatFrags matching only a single fragment.
1024class PatFrag<dag ops, dag frag, code pred = [{}],
1025              SDNodeXForm xform = NOOP_SDNodeXForm>
1026  : PatFrags<ops, [frag], pred, xform>;
1027
1028// OutPatFrag is a pattern fragment that is used as part of an output pattern
1029// (not an input pattern). These do not have predicates or transforms, but are
1030// used to avoid repeated subexpressions in output patterns.
1031class OutPatFrag<dag ops, dag frag>
1032 : PatFrag<ops, frag, [{}], NOOP_SDNodeXForm>;
1033
1034// PatLeaf's are pattern fragments that have no operands.  This is just a helper
1035// to define immediates and other common things concisely.
1036class PatLeaf<dag frag, code pred = [{}], SDNodeXForm xform = NOOP_SDNodeXForm>
1037 : PatFrag<(ops), frag, pred, xform>;
1038
1039
1040// ImmLeaf is a pattern fragment with a constraint on the immediate.  The
1041// constraint is a function that is run on the immediate (always with the value
1042// sign extended out to an int64_t) as Imm.  For example:
1043//
1044//  def immSExt8 : ImmLeaf<i16, [{ return (char)Imm == Imm; }]>;
1045//
1046// this is a more convenient form to match 'imm' nodes in than PatLeaf and also
1047// is preferred over using PatLeaf because it allows the code generator to
1048// reason more about the constraint.
1049//
1050// If FastIsel should ignore all instructions that have an operand of this type,
1051// the FastIselShouldIgnore flag can be set.  This is an optimization to reduce
1052// the code size of the generated fast instruction selector.
1053class ImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm,
1054              SDNode ImmNode = imm>
1055  : PatFrag<(ops), (vt ImmNode), [{}], xform> {
1056  let ImmediateCode = pred;
1057  bit FastIselShouldIgnore = false;
1058
1059  // Is the data type of the immediate an APInt?
1060  bit IsAPInt = false;
1061
1062  // Is the data type of the immediate an APFloat?
1063  bit IsAPFloat = false;
1064}
1065
1066// Convenience wrapper for ImmLeaf to use timm/TargetConstant instead
1067// of imm/Constant.
1068class TImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm,
1069  SDNode ImmNode = timm> : ImmLeaf<vt, pred, xform, ImmNode>;
1070
1071// An ImmLeaf except that Imm is an APInt. This is useful when you need to
1072// zero-extend the immediate instead of sign-extend it.
1073//
1074// Note that FastISel does not currently understand IntImmLeaf and will not
1075// generate code for rules that make use of it. As such, it does not make sense
1076// to replace ImmLeaf with IntImmLeaf. However, replacing PatLeaf with an
1077// IntImmLeaf will allow GlobalISel to import the rule.
1078class IntImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm>
1079    : ImmLeaf<vt, pred, xform> {
1080  let IsAPInt = true;
1081  let FastIselShouldIgnore = true;
1082}
1083
1084// An ImmLeaf except that Imm is an APFloat.
1085//
1086// Note that FastISel does not currently understand FPImmLeaf and will not
1087// generate code for rules that make use of it.
1088class FPImmLeaf<ValueType vt, code pred, SDNodeXForm xform = NOOP_SDNodeXForm>
1089  : ImmLeaf<vt, pred, xform, fpimm> {
1090  let IsAPFloat = true;
1091  let FastIselShouldIgnore = true;
1092}
1093
1094// Leaf fragments.
1095
1096def vtInt      : PatLeaf<(vt),  [{ return N->getVT().isInteger(); }]>;
1097def vtFP       : PatLeaf<(vt),  [{ return N->getVT().isFloatingPoint(); }]>;
1098
1099// Use ISD::isConstantSplatVectorAllOnes or ISD::isConstantSplatVectorAllZeros
1100// to look for the corresponding build_vector or splat_vector. Will look through
1101// bitcasts and check for either opcode, except when used as a pattern root.
1102// When used as a pattern root, only fixed-length build_vector and scalable
1103// splat_vector are supported.
1104def immAllOnesV  : SDPatternOperator; // ISD::isConstantSplatVectorAllOnes
1105def immAllZerosV : SDPatternOperator; // ISD::isConstantSplatVectorAllZeros
1106
1107// Other helper fragments.
1108def not  : PatFrag<(ops node:$in), (xor node:$in, -1)>;
1109def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
1110def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
1111
1112def zanyext : PatFrags<(ops node:$op),
1113                       [(zext node:$op),
1114                        (anyext node:$op)]>;
1115
1116def zext_nneg : PatFrag<(ops node:$src), (zext node:$src), [{
1117  return N->getFlags().hasNonNeg();
1118}]>;
1119def sext_like : PatFrags<(ops node:$src),
1120                         [(zext_nneg node:$src),
1121                          (sext node:$src)]>;
1122
1123// null_frag - The null pattern operator is used in multiclass instantiations
1124// which accept an SDPatternOperator for use in matching patterns for internal
1125// definitions. When expanding a pattern, if the null fragment is referenced
1126// in the expansion, the pattern is discarded and it is as-if '[]' had been
1127// specified. This allows multiclasses to have the isel patterns be optional.
1128def null_frag : SDPatternOperator;
1129
1130// load fragments.
1131def unindexedload : PatFrag<(ops node:$ptr), (ld node:$ptr)> {
1132  let IsLoad = true;
1133  let IsUnindexed = true;
1134}
1135def load : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> {
1136  let IsLoad = true;
1137  let IsNonExtLoad = true;
1138}
1139
1140// extending load fragments.
1141def extload   : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> {
1142  let IsLoad = true;
1143  let IsAnyExtLoad = true;
1144}
1145def sextload  : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> {
1146  let IsLoad = true;
1147  let IsSignExtLoad = true;
1148}
1149def zextload  : PatFrag<(ops node:$ptr), (unindexedload node:$ptr)> {
1150  let IsLoad = true;
1151  let IsZeroExtLoad = true;
1152}
1153
1154def extloadi1  : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1155  let IsLoad = true;
1156  let MemoryVT = i1;
1157}
1158def extloadi8  : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1159  let IsLoad = true;
1160  let MemoryVT = i8;
1161}
1162def extloadi16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1163  let IsLoad = true;
1164  let MemoryVT = i16;
1165}
1166def extloadi32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1167  let IsLoad = true;
1168  let MemoryVT = i32;
1169}
1170def extloadi64 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1171  let IsLoad = true;
1172  let MemoryVT = i64;
1173}
1174def extloadf16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1175  let IsLoad = true;
1176  let MemoryVT = f16;
1177}
1178def extloadf32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1179  let IsLoad = true;
1180  let MemoryVT = f32;
1181}
1182def extloadf64 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1183  let IsLoad = true;
1184  let MemoryVT = f64;
1185}
1186
1187def sextloadi1  : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1188  let IsLoad = true;
1189  let MemoryVT = i1;
1190}
1191def sextloadi8  : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1192  let IsLoad = true;
1193  let MemoryVT = i8;
1194}
1195def sextloadi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1196  let IsLoad = true;
1197  let MemoryVT = i16;
1198}
1199def sextloadi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1200  let IsLoad = true;
1201  let MemoryVT = i32;
1202}
1203def sextloadi64 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1204  let IsLoad = true;
1205  let MemoryVT = i64;
1206}
1207
1208def zextloadi1  : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1209  let IsLoad = true;
1210  let MemoryVT = i1;
1211}
1212def zextloadi8  : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1213  let IsLoad = true;
1214  let MemoryVT = i8;
1215}
1216def zextloadi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1217  let IsLoad = true;
1218  let MemoryVT = i16;
1219}
1220def zextloadi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1221  let IsLoad = true;
1222  let MemoryVT = i32;
1223}
1224def zextloadi64 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1225  let IsLoad = true;
1226  let MemoryVT = i64;
1227}
1228
1229def extloadvi1  : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1230  let IsLoad = true;
1231  let ScalarMemoryVT = i1;
1232}
1233def extloadvi8  : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1234  let IsLoad = true;
1235  let ScalarMemoryVT = i8;
1236}
1237def extloadvi16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1238  let IsLoad = true;
1239  let ScalarMemoryVT = i16;
1240}
1241def extloadvi32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1242  let IsLoad = true;
1243  let ScalarMemoryVT = i32;
1244}
1245def extloadvf16 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1246  let IsLoad = true;
1247  let ScalarMemoryVT = f16;
1248}
1249def extloadvf32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1250  let IsLoad = true;
1251  let ScalarMemoryVT = f32;
1252}
1253def extloadvf64 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1254  let IsLoad = true;
1255  let ScalarMemoryVT = f64;
1256}
1257
1258def sextloadvi1  : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1259  let IsLoad = true;
1260  let ScalarMemoryVT = i1;
1261}
1262def sextloadvi8  : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1263  let IsLoad = true;
1264  let ScalarMemoryVT = i8;
1265}
1266def sextloadvi16 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1267  let IsLoad = true;
1268  let ScalarMemoryVT = i16;
1269}
1270def sextloadvi32 : PatFrag<(ops node:$ptr), (sextload node:$ptr)> {
1271  let IsLoad = true;
1272  let ScalarMemoryVT = i32;
1273}
1274
1275def zextloadvi1  : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1276  let IsLoad = true;
1277  let ScalarMemoryVT = i1;
1278}
1279def zextloadvi8  : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1280  let IsLoad = true;
1281  let ScalarMemoryVT = i8;
1282}
1283def zextloadvi16 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1284  let IsLoad = true;
1285  let ScalarMemoryVT = i16;
1286}
1287def zextloadvi32 : PatFrag<(ops node:$ptr), (zextload node:$ptr)> {
1288  let IsLoad = true;
1289  let ScalarMemoryVT = i32;
1290}
1291
1292// store fragments.
1293def unindexedstore : PatFrag<(ops node:$val, node:$ptr),
1294                             (st node:$val, node:$ptr)> {
1295  let IsStore = true;
1296  let IsUnindexed = true;
1297}
1298def store : PatFrag<(ops node:$val, node:$ptr),
1299                    (unindexedstore node:$val, node:$ptr)> {
1300  let IsStore = true;
1301  let IsTruncStore = false;
1302}
1303
1304// truncstore fragments.
1305def truncstore : PatFrag<(ops node:$val, node:$ptr),
1306                         (unindexedstore node:$val, node:$ptr)> {
1307  let IsStore = true;
1308  let IsTruncStore = true;
1309}
1310def truncstorei8 : PatFrag<(ops node:$val, node:$ptr),
1311                           (truncstore node:$val, node:$ptr)> {
1312  let IsStore = true;
1313  let MemoryVT = i8;
1314  let IsTruncStore = true;
1315}
1316def truncstorei16 : PatFrag<(ops node:$val, node:$ptr),
1317                            (truncstore node:$val, node:$ptr)> {
1318  let IsStore = true;
1319  let MemoryVT = i16;
1320  let IsTruncStore = true;
1321}
1322def truncstorei32 : PatFrag<(ops node:$val, node:$ptr),
1323                            (truncstore node:$val, node:$ptr)> {
1324  let IsStore = true;
1325  let MemoryVT = i32;
1326  let IsTruncStore = true;
1327}
1328def truncstorei64 : PatFrag<(ops node:$val, node:$ptr),
1329                            (truncstore node:$val, node:$ptr)> {
1330  let IsStore = true;
1331  let MemoryVT = i64;
1332  let IsTruncStore = true;
1333}
1334def truncstoref16 : PatFrag<(ops node:$val, node:$ptr),
1335                            (truncstore node:$val, node:$ptr)> {
1336  let IsStore = true;
1337  let MemoryVT = f16;
1338}
1339def truncstoref32 : PatFrag<(ops node:$val, node:$ptr),
1340                            (truncstore node:$val, node:$ptr)> {
1341  let IsStore = true;
1342  let MemoryVT = f32;
1343}
1344def truncstoref64 : PatFrag<(ops node:$val, node:$ptr),
1345                            (truncstore node:$val, node:$ptr)> {
1346  let IsStore = true;
1347  let MemoryVT = f64;
1348}
1349
1350def truncstorevi8 : PatFrag<(ops node:$val, node:$ptr),
1351                            (truncstore node:$val, node:$ptr)> {
1352  let IsStore = true;
1353  let ScalarMemoryVT = i8;
1354}
1355
1356def truncstorevi16 : PatFrag<(ops node:$val, node:$ptr),
1357                             (truncstore node:$val, node:$ptr)> {
1358  let IsStore = true;
1359  let ScalarMemoryVT = i16;
1360}
1361
1362def truncstorevi32 : PatFrag<(ops node:$val, node:$ptr),
1363                             (truncstore node:$val, node:$ptr)> {
1364  let IsStore = true;
1365  let ScalarMemoryVT = i32;
1366}
1367
1368// indexed store fragments.
1369def istore : PatFrag<(ops node:$val, node:$base, node:$offset),
1370                     (ist node:$val, node:$base, node:$offset)> {
1371  let IsStore = true;
1372  let IsTruncStore = false;
1373}
1374
1375def pre_store : PatFrag<(ops node:$val, node:$base, node:$offset),
1376                        (istore node:$val, node:$base, node:$offset), [{
1377  ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
1378  return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
1379}]>;
1380
1381def itruncstore : PatFrag<(ops node:$val, node:$base, node:$offset),
1382                          (ist node:$val, node:$base, node:$offset)> {
1383  let IsStore = true;
1384  let IsTruncStore = true;
1385}
1386def pre_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
1387                          (itruncstore node:$val, node:$base, node:$offset), [{
1388  ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
1389  return AM == ISD::PRE_INC || AM == ISD::PRE_DEC;
1390}]>;
1391def pre_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
1392                            (pre_truncst node:$val, node:$base, node:$offset)> {
1393  let IsStore = true;
1394  let MemoryVT = i1;
1395}
1396def pre_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
1397                            (pre_truncst node:$val, node:$base, node:$offset)> {
1398  let IsStore = true;
1399  let MemoryVT = i8;
1400}
1401def pre_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
1402                             (pre_truncst node:$val, node:$base, node:$offset)> {
1403  let IsStore = true;
1404  let MemoryVT = i16;
1405}
1406def pre_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
1407                             (pre_truncst node:$val, node:$base, node:$offset)> {
1408  let IsStore = true;
1409  let MemoryVT = i32;
1410}
1411def pre_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
1412                             (pre_truncst node:$val, node:$base, node:$offset)> {
1413  let IsStore = true;
1414  let MemoryVT = f32;
1415}
1416def pre_truncstvi8 : PatFrag<(ops node:$val, node:$base, node:$offset),
1417                             (pre_truncst node:$val, node:$base, node:$offset)> {
1418  let IsStore = true;
1419  let ScalarMemoryVT = i8;
1420}
1421def pre_truncstvi16 : PatFrag<(ops node:$val, node:$base, node:$offset),
1422                              (pre_truncst node:$val, node:$base, node:$offset)> {
1423  let IsStore = true;
1424  let ScalarMemoryVT = i16;
1425}
1426
1427def post_store : PatFrag<(ops node:$val, node:$ptr, node:$offset),
1428                         (istore node:$val, node:$ptr, node:$offset), [{
1429  ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
1430  return AM == ISD::POST_INC || AM == ISD::POST_DEC;
1431}]>;
1432
1433def post_truncst : PatFrag<(ops node:$val, node:$base, node:$offset),
1434                           (itruncstore node:$val, node:$base, node:$offset), [{
1435  ISD::MemIndexedMode AM = cast<StoreSDNode>(N)->getAddressingMode();
1436  return AM == ISD::POST_INC || AM == ISD::POST_DEC;
1437}]>;
1438def post_truncsti1 : PatFrag<(ops node:$val, node:$base, node:$offset),
1439                             (post_truncst node:$val, node:$base, node:$offset)> {
1440  let IsStore = true;
1441  let MemoryVT = i1;
1442}
1443def post_truncsti8 : PatFrag<(ops node:$val, node:$base, node:$offset),
1444                             (post_truncst node:$val, node:$base, node:$offset)> {
1445  let IsStore = true;
1446  let MemoryVT = i8;
1447}
1448def post_truncsti16 : PatFrag<(ops node:$val, node:$base, node:$offset),
1449                              (post_truncst node:$val, node:$base, node:$offset)> {
1450  let IsStore = true;
1451  let MemoryVT = i16;
1452}
1453def post_truncsti32 : PatFrag<(ops node:$val, node:$base, node:$offset),
1454                              (post_truncst node:$val, node:$base, node:$offset)> {
1455  let IsStore = true;
1456  let MemoryVT = i32;
1457}
1458def post_truncstf32 : PatFrag<(ops node:$val, node:$base, node:$offset),
1459                              (post_truncst node:$val, node:$base, node:$offset)> {
1460  let IsStore = true;
1461  let MemoryVT = f32;
1462}
1463def post_truncstvi8 : PatFrag<(ops node:$val, node:$base, node:$offset),
1464                              (post_truncst node:$val, node:$base, node:$offset)> {
1465  let IsStore = true;
1466  let ScalarMemoryVT = i8;
1467}
1468def post_truncstvi16 : PatFrag<(ops node:$val, node:$base, node:$offset),
1469                               (post_truncst node:$val, node:$base, node:$offset)> {
1470  let IsStore = true;
1471  let ScalarMemoryVT = i16;
1472}
1473
1474// A helper for matching undef or freeze undef
1475def undef_or_freeze_undef : PatFrags<(ops), [(undef), (freeze undef)]>;
1476
1477// TODO: Split these into volatile and unordered flavors to enable
1478// selectively legal optimizations for each.  (See D66309)
1479def simple_load : PatFrag<(ops node:$ptr),
1480                          (load node:$ptr), [{
1481  return cast<LoadSDNode>(N)->isSimple();
1482}]>;
1483def simple_store : PatFrag<(ops node:$val, node:$ptr),
1484                           (store node:$val, node:$ptr), [{
1485  return cast<StoreSDNode>(N)->isSimple();
1486}]>;
1487
1488// nontemporal store fragments.
1489def nontemporalstore : PatFrag<(ops node:$val, node:$ptr),
1490                               (store node:$val, node:$ptr), [{
1491  return cast<StoreSDNode>(N)->isNonTemporal();
1492}]>;
1493
1494def alignednontemporalstore : PatFrag<(ops node:$val, node:$ptr),
1495                                      (nontemporalstore node:$val, node:$ptr), [{
1496  StoreSDNode *St = cast<StoreSDNode>(N);
1497  return St->getAlign() >= St->getMemoryVT().getStoreSize();
1498}]>;
1499
1500def unalignednontemporalstore : PatFrag<(ops node:$val, node:$ptr),
1501                                        (nontemporalstore node:$val, node:$ptr), [{
1502  StoreSDNode *St = cast<StoreSDNode>(N);
1503  return St->getAlignment() < St->getMemoryVT().getStoreSize();
1504}]>;
1505
1506// nontemporal load fragments.
1507def nontemporalload : PatFrag<(ops node:$ptr),
1508                               (load node:$ptr), [{
1509  return cast<LoadSDNode>(N)->isNonTemporal();
1510}]>;
1511
1512def alignednontemporalload : PatFrag<(ops node:$ptr),
1513                                      (nontemporalload node:$ptr), [{
1514  LoadSDNode *Ld = cast<LoadSDNode>(N);
1515  return Ld->getAlign() >= Ld->getMemoryVT().getStoreSize();
1516}]>;
1517
1518// setcc convenience fragments.
1519def setoeq : PatFrag<(ops node:$lhs, node:$rhs),
1520                     (setcc node:$lhs, node:$rhs, SETOEQ)>;
1521def setogt : PatFrag<(ops node:$lhs, node:$rhs),
1522                     (setcc node:$lhs, node:$rhs, SETOGT)>;
1523def setoge : PatFrag<(ops node:$lhs, node:$rhs),
1524                     (setcc node:$lhs, node:$rhs, SETOGE)>;
1525def setolt : PatFrag<(ops node:$lhs, node:$rhs),
1526                     (setcc node:$lhs, node:$rhs, SETOLT)>;
1527def setole : PatFrag<(ops node:$lhs, node:$rhs),
1528                     (setcc node:$lhs, node:$rhs, SETOLE)>;
1529def setone : PatFrag<(ops node:$lhs, node:$rhs),
1530                     (setcc node:$lhs, node:$rhs, SETONE)>;
1531def seto   : PatFrag<(ops node:$lhs, node:$rhs),
1532                     (setcc node:$lhs, node:$rhs, SETO)>;
1533def setuo  : PatFrag<(ops node:$lhs, node:$rhs),
1534                     (setcc node:$lhs, node:$rhs, SETUO)>;
1535def setueq : PatFrag<(ops node:$lhs, node:$rhs),
1536                     (setcc node:$lhs, node:$rhs, SETUEQ)>;
1537def setugt : PatFrag<(ops node:$lhs, node:$rhs),
1538                     (setcc node:$lhs, node:$rhs, SETUGT)>;
1539def setuge : PatFrag<(ops node:$lhs, node:$rhs),
1540                     (setcc node:$lhs, node:$rhs, SETUGE)>;
1541def setult : PatFrag<(ops node:$lhs, node:$rhs),
1542                     (setcc node:$lhs, node:$rhs, SETULT)>;
1543def setule : PatFrag<(ops node:$lhs, node:$rhs),
1544                     (setcc node:$lhs, node:$rhs, SETULE)>;
1545def setune : PatFrag<(ops node:$lhs, node:$rhs),
1546                     (setcc node:$lhs, node:$rhs, SETUNE)>;
1547def seteq  : PatFrag<(ops node:$lhs, node:$rhs),
1548                     (setcc node:$lhs, node:$rhs, SETEQ)>;
1549def setgt  : PatFrag<(ops node:$lhs, node:$rhs),
1550                     (setcc node:$lhs, node:$rhs, SETGT)>;
1551def setge  : PatFrag<(ops node:$lhs, node:$rhs),
1552                     (setcc node:$lhs, node:$rhs, SETGE)>;
1553def setlt  : PatFrag<(ops node:$lhs, node:$rhs),
1554                     (setcc node:$lhs, node:$rhs, SETLT)>;
1555def setle  : PatFrag<(ops node:$lhs, node:$rhs),
1556                     (setcc node:$lhs, node:$rhs, SETLE)>;
1557def setne  : PatFrag<(ops node:$lhs, node:$rhs),
1558                     (setcc node:$lhs, node:$rhs, SETNE)>;
1559
1560// We don't have strict FP extended loads as single DAG nodes, but we can
1561// still provide convenience fragments to match those operations.
1562def strict_extloadf32 : PatFrag<(ops node:$ptr),
1563                                (strict_fpextend (f32 (load node:$ptr)))>;
1564def strict_extloadf64 : PatFrag<(ops node:$ptr),
1565                                (strict_fpextend (f64 (load node:$ptr)))>;
1566
1567// Convenience fragments to match both strict and non-strict fp operations
1568def any_fadd       : PatFrags<(ops node:$lhs, node:$rhs),
1569                              [(strict_fadd node:$lhs, node:$rhs),
1570                               (fadd node:$lhs, node:$rhs)]>;
1571def any_fsub       : PatFrags<(ops node:$lhs, node:$rhs),
1572                              [(strict_fsub node:$lhs, node:$rhs),
1573                               (fsub node:$lhs, node:$rhs)]>;
1574def any_fmul       : PatFrags<(ops node:$lhs, node:$rhs),
1575                              [(strict_fmul node:$lhs, node:$rhs),
1576                               (fmul node:$lhs, node:$rhs)]>;
1577def any_fdiv       : PatFrags<(ops node:$lhs, node:$rhs),
1578                              [(strict_fdiv node:$lhs, node:$rhs),
1579                               (fdiv node:$lhs, node:$rhs)]>;
1580def any_frem       : PatFrags<(ops node:$lhs, node:$rhs),
1581                              [(strict_frem node:$lhs, node:$rhs),
1582                               (frem node:$lhs, node:$rhs)]>;
1583def any_fma        : PatFrags<(ops node:$src1, node:$src2, node:$src3),
1584                              [(strict_fma node:$src1, node:$src2, node:$src3),
1585                               (fma node:$src1, node:$src2, node:$src3)]>;
1586def any_fsqrt      : PatFrags<(ops node:$src),
1587                              [(strict_fsqrt node:$src),
1588                               (fsqrt node:$src)]>;
1589def any_fsin       : PatFrags<(ops node:$src),
1590                              [(strict_fsin node:$src),
1591                               (fsin node:$src)]>;
1592def any_fcos       : PatFrags<(ops node:$src),
1593                              [(strict_fcos node:$src),
1594                               (fcos node:$src)]>;
1595def any_ftan       : PatFrags<(ops node:$src),
1596                              [(strict_ftan node:$src),
1597                               (ftan node:$src)]>;
1598def any_fasin      : PatFrags<(ops node:$src),
1599                              [(strict_fasin node:$src),
1600                               (fasin node:$src)]>;
1601def any_facos      : PatFrags<(ops node:$src),
1602                              [(strict_facos node:$src),
1603                               (facos node:$src)]>;
1604def any_fatan      : PatFrags<(ops node:$src),
1605                              [(strict_fatan node:$src),
1606                               (fatan node:$src)]>;
1607def any_fatan2      : PatFrags<(ops node:$src1, node:$src2),
1608                              [(strict_fatan2 node:$src1, node:$src2),
1609                               (fatan2 node:$src1, node:$src2)]>;
1610def any_fsinh      : PatFrags<(ops node:$src),
1611                              [(strict_fsinh node:$src),
1612                               (fsinh node:$src)]>;
1613def any_fcosh      : PatFrags<(ops node:$src),
1614                              [(strict_fcosh node:$src),
1615                               (fcosh node:$src)]>;
1616def any_ftanh      : PatFrags<(ops node:$src),
1617                              [(strict_ftanh node:$src),
1618                               (ftanh node:$src)]>;
1619def any_fexp2      : PatFrags<(ops node:$src),
1620                              [(strict_fexp2 node:$src),
1621                               (fexp2 node:$src)]>;
1622def any_fpow       : PatFrags<(ops node:$lhs, node:$rhs),
1623                              [(strict_fpow node:$lhs, node:$rhs),
1624                               (fpow node:$lhs, node:$rhs)]>;
1625def any_fldexp      : PatFrags<(ops node:$lhs, node:$rhs),
1626                              [(strict_fldexp node:$lhs, node:$rhs),
1627                               (fldexp node:$lhs, node:$rhs)]>;
1628def any_flog2      : PatFrags<(ops node:$src),
1629                              [(strict_flog2 node:$src),
1630                               (flog2 node:$src)]>;
1631def any_frint      : PatFrags<(ops node:$src),
1632                              [(strict_frint node:$src),
1633                               (frint node:$src)]>;
1634def any_lrint      : PatFrags<(ops node:$src),
1635                              [(strict_lrint node:$src),
1636                               (lrint node:$src)]>;
1637def any_llrint     : PatFrags<(ops node:$src),
1638                              [(strict_llrint node:$src),
1639                               (llrint node:$src)]>;
1640def any_fnearbyint : PatFrags<(ops node:$src),
1641                              [(strict_fnearbyint node:$src),
1642                               (fnearbyint node:$src)]>;
1643def any_fceil      : PatFrags<(ops node:$src),
1644                              [(strict_fceil node:$src),
1645                               (fceil node:$src)]>;
1646def any_ffloor     : PatFrags<(ops node:$src),
1647                              [(strict_ffloor node:$src),
1648                               (ffloor node:$src)]>;
1649def any_lround     : PatFrags<(ops node:$src),
1650                              [(strict_lround node:$src),
1651                               (lround node:$src)]>;
1652def any_llround    : PatFrags<(ops node:$src),
1653                              [(strict_llround node:$src),
1654                               (llround node:$src)]>;
1655def any_fround     : PatFrags<(ops node:$src),
1656                              [(strict_fround node:$src),
1657                               (fround node:$src)]>;
1658def any_froundeven : PatFrags<(ops node:$src),
1659                              [(strict_froundeven node:$src),
1660                               (froundeven node:$src)]>;
1661def any_ftrunc     : PatFrags<(ops node:$src),
1662                              [(strict_ftrunc node:$src),
1663                               (ftrunc node:$src)]>;
1664def any_fmaxnum    : PatFrags<(ops node:$lhs, node:$rhs),
1665                              [(strict_fmaxnum node:$lhs, node:$rhs),
1666                               (fmaxnum node:$lhs, node:$rhs)]>;
1667def any_fminnum    : PatFrags<(ops node:$lhs, node:$rhs),
1668                              [(strict_fminnum node:$lhs, node:$rhs),
1669                               (fminnum node:$lhs, node:$rhs)]>;
1670def any_fmaximum   : PatFrags<(ops node:$lhs, node:$rhs),
1671                              [(strict_fmaximum node:$lhs, node:$rhs),
1672                               (fmaximum node:$lhs, node:$rhs)]>;
1673def any_fminimum   : PatFrags<(ops node:$lhs, node:$rhs),
1674                              [(strict_fminimum node:$lhs, node:$rhs),
1675                               (fminimum node:$lhs, node:$rhs)]>;
1676def any_fpround    : PatFrags<(ops node:$src),
1677                              [(strict_fpround node:$src),
1678                               (fpround node:$src)]>;
1679def any_fpextend   : PatFrags<(ops node:$src),
1680                              [(strict_fpextend node:$src),
1681                               (fpextend node:$src)]>;
1682def any_extloadf32 : PatFrags<(ops node:$ptr),
1683                              [(strict_extloadf32 node:$ptr),
1684                               (extloadf32 node:$ptr)]>;
1685def any_extloadf64 : PatFrags<(ops node:$ptr),
1686                              [(strict_extloadf64 node:$ptr),
1687                               (extloadf64 node:$ptr)]>;
1688def any_fp_to_sint : PatFrags<(ops node:$src),
1689                              [(strict_fp_to_sint node:$src),
1690                               (fp_to_sint node:$src)]>;
1691def any_fp_to_uint : PatFrags<(ops node:$src),
1692                              [(strict_fp_to_uint node:$src),
1693                               (fp_to_uint node:$src)]>;
1694def any_sint_to_fp : PatFrags<(ops node:$src),
1695                              [(strict_sint_to_fp node:$src),
1696                               (sint_to_fp node:$src)]>;
1697def any_uint_to_fp : PatFrags<(ops node:$src),
1698                              [(strict_uint_to_fp node:$src),
1699                               (uint_to_fp node:$src)]>;
1700def any_fsetcc : PatFrags<(ops node:$lhs, node:$rhs, node:$pred),
1701                          [(strict_fsetcc node:$lhs, node:$rhs, node:$pred),
1702                           (setcc node:$lhs, node:$rhs, node:$pred)]>;
1703def any_fsetccs : PatFrags<(ops node:$lhs, node:$rhs, node:$pred),
1704                          [(strict_fsetccs node:$lhs, node:$rhs, node:$pred),
1705                           (setcc node:$lhs, node:$rhs, node:$pred)]>;
1706
1707def any_f16_to_fp : PatFrags<(ops node:$src),
1708                              [(f16_to_fp node:$src),
1709                               (strict_f16_to_fp node:$src)]>;
1710def any_fp_to_f16 : PatFrags<(ops node:$src),
1711                              [(fp_to_f16 node:$src),
1712                               (strict_fp_to_f16 node:$src)]>;
1713def any_bf16_to_fp : PatFrags<(ops node:$src),
1714                               [(bf16_to_fp node:$src),
1715                                (strict_bf16_to_fp node:$src)]>;
1716def any_fp_to_bf16 : PatFrags<(ops node:$src),
1717                               [(fp_to_bf16 node:$src),
1718                                (strict_fp_to_bf16 node:$src)]>;
1719
1720multiclass binary_atomic_op_ord {
1721  def NAME#_monotonic : PatFrag<(ops node:$ptr, node:$val),
1722      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$val)> {
1723    let IsAtomic = true;
1724    let IsAtomicOrderingMonotonic = true;
1725  }
1726  def NAME#_acquire : PatFrag<(ops node:$ptr, node:$val),
1727      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$val)> {
1728    let IsAtomic = true;
1729    let IsAtomicOrderingAcquire = true;
1730  }
1731  def NAME#_release : PatFrag<(ops node:$ptr, node:$val),
1732      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$val)> {
1733    let IsAtomic = true;
1734    let IsAtomicOrderingRelease = true;
1735  }
1736  def NAME#_acq_rel : PatFrag<(ops node:$ptr, node:$val),
1737      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$val)> {
1738    let IsAtomic = true;
1739    let IsAtomicOrderingAcquireRelease = true;
1740  }
1741  def NAME#_seq_cst : PatFrag<(ops node:$ptr, node:$val),
1742      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$val)> {
1743    let IsAtomic = true;
1744    let IsAtomicOrderingSequentiallyConsistent = true;
1745  }
1746}
1747
1748multiclass ternary_atomic_op_ord {
1749  def NAME#_monotonic : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1750      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$cmp, node:$val)> {
1751    let IsAtomic = true;
1752    let IsAtomicOrderingMonotonic = true;
1753  }
1754  def NAME#_acquire : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1755      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$cmp, node:$val)> {
1756    let IsAtomic = true;
1757    let IsAtomicOrderingAcquire = true;
1758  }
1759  def NAME#_release : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1760      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$cmp, node:$val)> {
1761    let IsAtomic = true;
1762    let IsAtomicOrderingRelease = true;
1763  }
1764  def NAME#_acq_rel : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1765      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$cmp, node:$val)> {
1766    let IsAtomic = true;
1767    let IsAtomicOrderingAcquireRelease = true;
1768  }
1769  def NAME#_seq_cst : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1770      (!cast<SDPatternOperator>(NAME) node:$ptr, node:$cmp, node:$val)> {
1771    let IsAtomic = true;
1772    let IsAtomicOrderingSequentiallyConsistent = true;
1773  }
1774}
1775
1776multiclass binary_atomic_op<SDNode atomic_op> {
1777  foreach vt = [ i8, i16, i32, i64 ] in {
1778    def _#vt : PatFrag<(ops node:$ptr, node:$val),
1779                       (atomic_op  node:$ptr, node:$val)> {
1780      let IsAtomic = true;
1781      let MemoryVT = vt;
1782    }
1783
1784    defm NAME#_#vt  : binary_atomic_op_ord;
1785  }
1786}
1787
1788multiclass binary_atomic_op_fp<SDNode atomic_op> {
1789  foreach vt = [ f16, bf16, v2f16, v2bf16, f32, f64 ] in {
1790    def _#vt : PatFrag<(ops node:$ptr, node:$val),
1791                       (atomic_op node:$ptr, node:$val)> {
1792      let IsAtomic = true;
1793      let MemoryVT = vt;
1794    }
1795
1796    defm NAME#_#vt : binary_atomic_op_ord;
1797  }
1798}
1799
1800multiclass ternary_atomic_op<SDNode atomic_op> {
1801  foreach vt = [ i8, i16, i32, i64 ] in {
1802    def _#vt : PatFrag<(ops node:$ptr, node:$cmp, node:$val),
1803                       (atomic_op node:$ptr, node:$cmp, node:$val)> {
1804      let IsAtomic = true;
1805      let MemoryVT = vt;
1806    }
1807
1808    defm NAME#_#vt  : ternary_atomic_op_ord;
1809  }
1810}
1811
1812defm atomic_load_add  : binary_atomic_op<atomic_load_add>;
1813defm atomic_swap      : binary_atomic_op<atomic_swap>;
1814defm atomic_load_sub  : binary_atomic_op<atomic_load_sub>;
1815defm atomic_load_and  : binary_atomic_op<atomic_load_and>;
1816defm atomic_load_clr  : binary_atomic_op<atomic_load_clr>;
1817defm atomic_load_or   : binary_atomic_op<atomic_load_or>;
1818defm atomic_load_xor  : binary_atomic_op<atomic_load_xor>;
1819defm atomic_load_nand : binary_atomic_op<atomic_load_nand>;
1820defm atomic_load_min  : binary_atomic_op<atomic_load_min>;
1821defm atomic_load_max  : binary_atomic_op<atomic_load_max>;
1822defm atomic_load_umin : binary_atomic_op<atomic_load_umin>;
1823defm atomic_load_umax : binary_atomic_op<atomic_load_umax>;
1824defm atomic_cmp_swap  : ternary_atomic_op<atomic_cmp_swap>;
1825
1826/// Atomic load which zeroes the excess high bits.
1827def atomic_load_zext :
1828  PatFrag<(ops node:$ptr), (atomic_load node:$ptr)> {
1829  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1830  let IsZeroExtLoad = true;
1831}
1832
1833/// Atomic load which sign extends the excess high bits.
1834def atomic_load_sext :
1835  PatFrag<(ops node:$ptr), (atomic_load node:$ptr)> {
1836  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1837  let IsSignExtLoad = true;
1838}
1839
1840def atomic_load_8 :
1841  PatFrag<(ops node:$ptr),
1842          (atomic_load node:$ptr)> {
1843  let IsAtomic = true;
1844  let MemoryVT = i8;
1845}
1846
1847def atomic_load_16 :
1848  PatFrag<(ops node:$ptr),
1849          (atomic_load node:$ptr)> {
1850  let IsAtomic = true;
1851  let MemoryVT = i16;
1852}
1853
1854def atomic_load_32 :
1855  PatFrag<(ops node:$ptr),
1856          (atomic_load node:$ptr)> {
1857  let IsAtomic = true;
1858  let MemoryVT = i32;
1859}
1860def atomic_load_64 :
1861  PatFrag<(ops node:$ptr),
1862          (atomic_load node:$ptr)> {
1863  let IsAtomic = true;
1864  let MemoryVT = i64;
1865}
1866
1867def atomic_load_zext_8 :
1868  PatFrag<(ops node:$ptr), (atomic_load_zext node:$ptr)> {
1869  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1870  let MemoryVT = i8;
1871}
1872
1873def atomic_load_zext_16 :
1874  PatFrag<(ops node:$ptr), (atomic_load_zext node:$ptr)> {
1875  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1876  let MemoryVT = i16;
1877}
1878
1879def atomic_load_sext_8 :
1880  PatFrag<(ops node:$ptr), (atomic_load_sext node:$ptr)> {
1881  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1882  let MemoryVT = i8;
1883}
1884
1885def atomic_load_sext_16 :
1886  PatFrag<(ops node:$ptr), (atomic_load_sext node:$ptr)> {
1887  let IsAtomic = true; // FIXME: Should be IsLoad and/or IsAtomic?
1888  let MemoryVT = i16;
1889}
1890
1891// Atomic load which zeroes or anyextends the high bits.
1892def atomic_load_az_8 : PatFrags<(ops node:$op),
1893                                [(atomic_load_8 node:$op),
1894                                 (atomic_load_zext_8 node:$op)]>;
1895
1896// Atomic load which zeroes or anyextends the high bits.
1897def atomic_load_az_16 : PatFrags<(ops node:$op),
1898                                 [(atomic_load_16 node:$op),
1899                                  (atomic_load_zext_16 node:$op)]>;
1900
1901def nonext_masked_gather :
1902  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1903          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1904  return cast<MaskedGatherSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD;
1905}]>;
1906
1907// Any extending masked gather fragments.
1908def ext_masked_gather_i8 :
1909  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1910          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1911  auto MGN = cast<MaskedGatherSDNode>(N);
1912  return MGN->getExtensionType() == ISD::EXTLOAD &&
1913         MGN->getMemoryVT().getScalarType() == MVT::i8;
1914}]>;
1915def ext_masked_gather_i16 :
1916  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1917          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1918  auto MGN = cast<MaskedGatherSDNode>(N);
1919  return MGN->getExtensionType() == ISD::EXTLOAD &&
1920         MGN->getMemoryVT().getScalarType() == MVT::i16;
1921}]>;
1922def ext_masked_gather_i32 :
1923  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1924          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1925  auto MGN = cast<MaskedGatherSDNode>(N);
1926  return MGN->getExtensionType() == ISD::EXTLOAD &&
1927         MGN->getMemoryVT().getScalarType() == MVT::i32;
1928}]>;
1929
1930// Sign extending masked gather fragments.
1931def sext_masked_gather_i8 :
1932  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1933          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1934  auto MGN = cast<MaskedGatherSDNode>(N);
1935  return MGN->getExtensionType() == ISD::SEXTLOAD &&
1936         MGN->getMemoryVT().getScalarType() == MVT::i8;
1937}]>;
1938def sext_masked_gather_i16 :
1939  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1940          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1941  auto MGN = cast<MaskedGatherSDNode>(N);
1942  return MGN->getExtensionType() == ISD::SEXTLOAD &&
1943         MGN->getMemoryVT().getScalarType() == MVT::i16;
1944}]>;
1945def sext_masked_gather_i32 :
1946  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1947          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1948  auto MGN = cast<MaskedGatherSDNode>(N);
1949  return MGN->getExtensionType() == ISD::SEXTLOAD &&
1950         MGN->getMemoryVT().getScalarType() == MVT::i32;
1951}]>;
1952
1953// Zero extending masked gather fragments.
1954def zext_masked_gather_i8 :
1955  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1956          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1957  auto MGN = cast<MaskedGatherSDNode>(N);
1958  return MGN->getExtensionType() == ISD::ZEXTLOAD &&
1959         MGN->getMemoryVT().getScalarType() == MVT::i8;
1960}]>;
1961def zext_masked_gather_i16 :
1962  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1963          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1964  auto MGN = cast<MaskedGatherSDNode>(N);
1965  return MGN->getExtensionType() == ISD::ZEXTLOAD &&
1966         MGN->getMemoryVT().getScalarType() == MVT::i16;
1967}]>;
1968def zext_masked_gather_i32 :
1969  PatFrag<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1970          (masked_gather node:$def, node:$pred, node:$ptr, node:$idx), [{
1971  auto MGN = cast<MaskedGatherSDNode>(N);
1972  return MGN->getExtensionType() == ISD::ZEXTLOAD &&
1973         MGN->getMemoryVT().getScalarType() == MVT::i32;
1974}]>;
1975
1976// Any/Zero extending masked gather fragments.
1977def azext_masked_gather_i8 :
1978  PatFrags<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1979           [(ext_masked_gather_i8 node:$def, node:$pred, node:$ptr, node:$idx),
1980            (zext_masked_gather_i8 node:$def, node:$pred, node:$ptr, node:$idx)]>;
1981def azext_masked_gather_i16 :
1982  PatFrags<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1983           [(ext_masked_gather_i16 node:$def, node:$pred, node:$ptr, node:$idx),
1984            (zext_masked_gather_i16 node:$def, node:$pred, node:$ptr, node:$idx)]>;
1985def azext_masked_gather_i32 :
1986  PatFrags<(ops node:$def, node:$pred, node:$ptr, node:$idx),
1987           [(ext_masked_gather_i32 node:$def, node:$pred, node:$ptr, node:$idx),
1988            (zext_masked_gather_i32 node:$def, node:$pred, node:$ptr, node:$idx)]>;
1989
1990def nontrunc_masked_scatter :
1991  PatFrag<(ops node:$val, node:$pred, node:$ptr, node:$idx),
1992          (masked_scatter node:$val, node:$pred, node:$ptr, node:$idx), [{
1993  return !cast<MaskedScatterSDNode>(N)->isTruncatingStore();
1994}]>;
1995
1996// Truncating masked scatter fragments.
1997def trunc_masked_scatter_i8 :
1998  PatFrag<(ops node:$val, node:$pred, node:$ptr, node:$idx),
1999          (masked_scatter node:$val, node:$pred, node:$ptr, node:$idx), [{
2000  auto MSN = cast<MaskedScatterSDNode>(N);
2001  return MSN->isTruncatingStore() &&
2002         MSN->getMemoryVT().getScalarType() == MVT::i8;
2003}]>;
2004def trunc_masked_scatter_i16 :
2005  PatFrag<(ops node:$val, node:$pred, node:$ptr, node:$idx),
2006          (masked_scatter node:$val, node:$pred, node:$ptr, node:$idx), [{
2007  auto MSN = cast<MaskedScatterSDNode>(N);
2008  return MSN->isTruncatingStore() &&
2009         MSN->getMemoryVT().getScalarType() == MVT::i16;
2010}]>;
2011def trunc_masked_scatter_i32 :
2012  PatFrag<(ops node:$val, node:$pred, node:$ptr, node:$idx),
2013          (masked_scatter node:$val, node:$pred, node:$ptr, node:$idx), [{
2014  auto MSN = cast<MaskedScatterSDNode>(N);
2015  return MSN->isTruncatingStore() &&
2016         MSN->getMemoryVT().getScalarType() == MVT::i32;
2017}]>;
2018
2019
2020def atomic_store_8 :
2021  PatFrag<(ops node:$val, node:$ptr),
2022          (atomic_store node:$val, node:$ptr)> {
2023  let IsAtomic = true;
2024  let MemoryVT = i8;
2025}
2026
2027def atomic_store_16 :
2028  PatFrag<(ops node:$val, node:$ptr),
2029          (atomic_store node:$val, node:$ptr)> {
2030  let IsAtomic = true;
2031  let MemoryVT = i16;
2032}
2033
2034def atomic_store_32 :
2035  PatFrag<(ops node:$val, node:$ptr),
2036          (atomic_store node:$val, node:$ptr)> {
2037  let IsAtomic = true;
2038  let MemoryVT = i32;
2039}
2040
2041def atomic_store_64 :
2042  PatFrag<(ops node:$val, node:$ptr),
2043          (atomic_store node:$val, node:$ptr)> {
2044  let IsAtomic = true;
2045  let MemoryVT = i64;
2046}
2047
2048//===----------------------------------------------------------------------===//
2049// Selection DAG Pattern Support.
2050//
2051// Patterns are what are actually matched against by the target-flavored
2052// instruction selection DAG.  Instructions defined by the target implicitly
2053// define patterns in most cases, but patterns can also be explicitly added when
2054// an operation is defined by a sequence of instructions (e.g. loading a large
2055// immediate value on RISC targets that do not support immediates as large as
2056// their GPRs).
2057//
2058
2059class Pattern<dag patternToMatch, list<dag> resultInstrs> {
2060  dag             PatternToMatch  = patternToMatch;
2061  list<dag>       ResultInstrs    = resultInstrs;
2062  list<Predicate> Predicates      = [];  // See class Instruction in Target.td.
2063  int             AddedComplexity = 0;   // See class Instruction in Target.td.
2064  bit           GISelShouldIgnore = 0;
2065}
2066
2067// Pat - A simple (but common) form of a pattern, which produces a simple result
2068// not needing a full list.
2069class Pat<dag pattern, dag result> : Pattern<pattern, [result]>;
2070
2071//===----------------------------------------------------------------------===//
2072// Complex pattern definitions.
2073//
2074
2075// Complex patterns, e.g. X86 addressing mode, requires pattern matching code
2076// in C++. Ty is the type of return value; NumOperands is the number of operands
2077// returned by the select function; SelectFunc is the name of the function used
2078// to pattern match the max. pattern; RootNodes are the list of possible root nodes
2079// of the sub-dags to match.
2080// e.g. X86 addressing mode - def addr : ComplexPattern<iPTR, 4, "SelectAddr", [add]>;
2081//
2082class ComplexPattern<ValueType ty, int numops, string fn,
2083                     list<SDNode> roots = [], list<SDNodeProperty> props = [],
2084                     int complexity = -1> {
2085  ValueType Ty = ty;
2086  int NumOperands = numops;
2087  string SelectFunc = fn;
2088  list<SDNode> RootNodes = roots;
2089  list<SDNodeProperty> Properties = props;
2090  int Complexity = complexity;
2091
2092  // Set this to true if SelectFunc wants an additional argument
2093  // that is the root of the matched pattern.
2094  bit WantsRoot = false;
2095
2096  // Set this to true if SelectFunc wants an additional argument
2097  // that is the parent of the matched node.
2098  bit WantsParent = false;
2099}
2100