xref: /freebsd/contrib/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td (revision 02e9120893770924227138ba49df1edb3896112a)
1// WebAssemblyInstrSIMD.td - WebAssembly SIMD codegen support -*- 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/// \file
10/// WebAssembly SIMD operand code-gen constructs.
11///
12//===----------------------------------------------------------------------===//
13
14// Instructions using the SIMD opcode prefix and requiring one of the SIMD
15// feature predicates.
16multiclass ABSTRACT_SIMD_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
17                           list<dag> pattern_r, string asmstr_r,
18                           string asmstr_s, bits<32> simdop,
19                           Predicate simd_level> {
20  defm "" : I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r, asmstr_s,
21              !if(!ge(simdop, 0x100),
22                  !or(0xfd0000, !and(0xffff, simdop)),
23                  !or(0xfd00, !and(0xff, simdop)))>,
24            Requires<[simd_level]>;
25}
26
27multiclass SIMD_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
28                  list<dag> pattern_r, string asmstr_r = "",
29                  string asmstr_s = "", bits<32> simdop = -1> {
30  defm "" : ABSTRACT_SIMD_I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r,
31                            asmstr_s, simdop, HasSIMD128>;
32}
33
34multiclass RELAXED_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
35                     list<dag> pattern_r, string asmstr_r = "",
36                     string asmstr_s = "", bits<32> simdop = -1> {
37  defm "" : ABSTRACT_SIMD_I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r,
38                            asmstr_s, simdop, HasRelaxedSIMD>;
39}
40
41
42defm "" : ARGUMENT<V128, v16i8>;
43defm "" : ARGUMENT<V128, v8i16>;
44defm "" : ARGUMENT<V128, v4i32>;
45defm "" : ARGUMENT<V128, v2i64>;
46defm "" : ARGUMENT<V128, v4f32>;
47defm "" : ARGUMENT<V128, v2f64>;
48
49// Constrained immediate argument types
50foreach SIZE = [8, 16] in
51def ImmI#SIZE : ImmLeaf<i32,
52  "return -(1 << ("#SIZE#" - 1)) <= Imm && Imm < (1 << ("#SIZE#" - 1));"
53>;
54foreach SIZE = [2, 4, 8, 16, 32] in
55def LaneIdx#SIZE : ImmLeaf<i32, "return 0 <= Imm && Imm < "#SIZE#";">;
56
57class Vec {
58  ValueType vt;
59  ValueType int_vt;
60  ValueType lane_vt;
61  WebAssemblyRegClass lane_rc;
62  int lane_bits;
63  ImmLeaf lane_idx;
64  SDPatternOperator lane_load;
65  PatFrag splat;
66  string prefix;
67  Vec split;
68}
69
70def I8x16 : Vec {
71  let vt = v16i8;
72  let int_vt = vt;
73  let lane_vt = i32;
74  let lane_rc = I32;
75  let lane_bits = 8;
76  let lane_idx = LaneIdx16;
77  let lane_load = extloadi8;
78  let splat = PatFrag<(ops node:$x), (v16i8 (splat_vector (i8 $x)))>;
79  let prefix = "i8x16";
80}
81
82def I16x8 : Vec {
83  let vt = v8i16;
84  let int_vt = vt;
85  let lane_vt = i32;
86  let lane_rc = I32;
87  let lane_bits = 16;
88  let lane_idx = LaneIdx8;
89  let lane_load = extloadi16;
90  let splat = PatFrag<(ops node:$x), (v8i16 (splat_vector (i16 $x)))>;
91  let prefix = "i16x8";
92  let split = I8x16;
93}
94
95def I32x4 : Vec {
96  let vt = v4i32;
97  let int_vt = vt;
98  let lane_vt = i32;
99  let lane_rc = I32;
100  let lane_bits = 32;
101  let lane_idx = LaneIdx4;
102  let lane_load = load;
103  let splat = PatFrag<(ops node:$x), (v4i32 (splat_vector (i32 $x)))>;
104  let prefix = "i32x4";
105  let split = I16x8;
106}
107
108def I64x2 : Vec {
109  let vt = v2i64;
110  let int_vt = vt;
111  let lane_vt = i64;
112  let lane_rc = I64;
113  let lane_bits = 64;
114  let lane_idx = LaneIdx2;
115  let lane_load = load;
116  let splat = PatFrag<(ops node:$x), (v2i64 (splat_vector (i64 $x)))>;
117  let prefix = "i64x2";
118  let split = I32x4;
119}
120
121def F32x4 : Vec {
122  let vt = v4f32;
123  let int_vt = v4i32;
124  let lane_vt = f32;
125  let lane_rc = F32;
126  let lane_bits = 32;
127  let lane_idx = LaneIdx4;
128  let lane_load = load;
129  let splat = PatFrag<(ops node:$x), (v4f32 (splat_vector (f32 $x)))>;
130  let prefix = "f32x4";
131}
132
133def F64x2 : Vec {
134  let vt = v2f64;
135  let int_vt = v2i64;
136  let lane_vt = f64;
137  let lane_rc = F64;
138  let lane_bits = 64;
139  let lane_idx = LaneIdx2;
140  let lane_load = load;
141  let splat = PatFrag<(ops node:$x), (v2f64 (splat_vector (f64 $x)))>;
142  let prefix = "f64x2";
143}
144
145defvar AllVecs = [I8x16, I16x8, I32x4, I64x2, F32x4, F64x2];
146defvar IntVecs = [I8x16, I16x8, I32x4, I64x2];
147
148//===----------------------------------------------------------------------===//
149// Load and store
150//===----------------------------------------------------------------------===//
151
152// Load: v128.load
153let mayLoad = 1, UseNamedOperandTable = 1 in {
154defm LOAD_V128_A32 :
155  SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
156         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
157         "v128.load\t$dst, ${off}(${addr})$p2align",
158         "v128.load\t$off$p2align", 0>;
159defm LOAD_V128_A64 :
160  SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
161         (outs), (ins P2Align:$p2align, offset64_op:$off), [],
162         "v128.load\t$dst, ${off}(${addr})$p2align",
163         "v128.load\t$off$p2align", 0>;
164}
165
166// Def load patterns from WebAssemblyInstrMemory.td for vector types
167foreach vec = AllVecs in {
168defm : LoadPat<vec.vt, load, "LOAD_V128">;
169}
170
171// v128.loadX_splat
172multiclass SIMDLoadSplat<int size, bits<32> simdop> {
173  let mayLoad = 1, UseNamedOperandTable = 1 in {
174  defm LOAD#size#_SPLAT_A32 :
175    SIMD_I<(outs V128:$dst),
176           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
177           (outs),
178           (ins P2Align:$p2align, offset32_op:$off), [],
179           "v128.load"#size#"_splat\t$dst, ${off}(${addr})$p2align",
180           "v128.load"#size#"_splat\t$off$p2align", simdop>;
181  defm LOAD#size#_SPLAT_A64 :
182    SIMD_I<(outs V128:$dst),
183           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
184           (outs),
185           (ins P2Align:$p2align, offset64_op:$off), [],
186           "v128.load"#size#"_splat\t$dst, ${off}(${addr})$p2align",
187           "v128.load"#size#"_splat\t$off$p2align", simdop>;
188  }
189}
190
191defm "" : SIMDLoadSplat<8, 7>;
192defm "" : SIMDLoadSplat<16, 8>;
193defm "" : SIMDLoadSplat<32, 9>;
194defm "" : SIMDLoadSplat<64, 10>;
195
196foreach vec = AllVecs in {
197  defvar inst = "LOAD"#vec.lane_bits#"_SPLAT";
198  defm : LoadPat<vec.vt,
199                 PatFrag<(ops node:$addr), (splat_vector (vec.lane_vt (vec.lane_load node:$addr)))>,
200                 inst>;
201}
202
203// Load and extend
204multiclass SIMDLoadExtend<Vec vec, string loadPat, bits<32> simdop> {
205  defvar signed = vec.prefix#".load"#loadPat#"_s";
206  defvar unsigned = vec.prefix#".load"#loadPat#"_u";
207  let mayLoad = 1, UseNamedOperandTable = 1 in {
208  defm LOAD_EXTEND_S_#vec#_A32 :
209    SIMD_I<(outs V128:$dst),
210           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
211           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
212           signed#"\t$dst, ${off}(${addr})$p2align",
213           signed#"\t$off$p2align", simdop>;
214  defm LOAD_EXTEND_U_#vec#_A32 :
215    SIMD_I<(outs V128:$dst),
216           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
217           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
218           unsigned#"\t$dst, ${off}(${addr})$p2align",
219           unsigned#"\t$off$p2align", !add(simdop, 1)>;
220  defm LOAD_EXTEND_S_#vec#_A64 :
221    SIMD_I<(outs V128:$dst),
222           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
223           (outs), (ins P2Align:$p2align, offset64_op:$off), [],
224           signed#"\t$dst, ${off}(${addr})$p2align",
225           signed#"\t$off$p2align", simdop>;
226  defm LOAD_EXTEND_U_#vec#_A64 :
227    SIMD_I<(outs V128:$dst),
228           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
229           (outs), (ins P2Align:$p2align, offset64_op:$off), [],
230           unsigned#"\t$dst, ${off}(${addr})$p2align",
231           unsigned#"\t$off$p2align", !add(simdop, 1)>;
232  }
233}
234
235defm "" : SIMDLoadExtend<I16x8, "8x8", 1>;
236defm "" : SIMDLoadExtend<I32x4, "16x4", 3>;
237defm "" : SIMDLoadExtend<I64x2, "32x2", 5>;
238
239foreach vec = [I16x8, I32x4, I64x2] in
240foreach exts = [["sextloadvi", "_S"],
241                ["zextloadvi", "_U"],
242                ["extloadvi", "_U"]] in {
243defvar loadpat = !cast<PatFrag>(exts[0]#vec.split.lane_bits);
244defvar inst = "LOAD_EXTEND"#exts[1]#"_"#vec;
245defm : LoadPat<vec.vt, loadpat, inst>;
246}
247
248// Load lane into zero vector
249multiclass SIMDLoadZero<Vec vec, bits<32> simdop> {
250  defvar name = "v128.load"#vec.lane_bits#"_zero";
251  let mayLoad = 1, UseNamedOperandTable = 1 in {
252  defm LOAD_ZERO_#vec#_A32 :
253    SIMD_I<(outs V128:$dst),
254           (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
255           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
256           name#"\t$dst, ${off}(${addr})$p2align",
257           name#"\t$off$p2align", simdop>;
258  defm LOAD_ZERO_#vec#_A64 :
259    SIMD_I<(outs V128:$dst),
260           (ins P2Align:$p2align, offset64_op:$off, I64:$addr),
261           (outs), (ins P2Align:$p2align, offset64_op:$off), [],
262           name#"\t$dst, ${off}(${addr})$p2align",
263           name#"\t$off$p2align", simdop>;
264  } // mayLoad = 1, UseNamedOperandTable = 1
265}
266
267defm "" : SIMDLoadZero<I32x4, 0x5c>;
268defm "" : SIMDLoadZero<I64x2, 0x5d>;
269
270// Use load_zero to load scalars into vectors as well where possible.
271// TODO: i16, and i8 scalars
272foreach vec = [I32x4, I64x2] in {
273  defvar inst = "LOAD_ZERO_"#vec;
274  defvar pat = PatFrag<(ops node:$addr), (scalar_to_vector (vec.lane_vt (load $addr)))>;
275  defm : LoadPat<vec.vt, pat, inst>;
276}
277
278// TODO: f32x4 and f64x2 as well
279foreach vec = [I32x4, I64x2] in {
280  defvar inst = "LOAD_ZERO_"#vec;
281  defvar pat = PatFrag<(ops node:$ptr),
282    (vector_insert (vec.splat (vec.lane_vt 0)), (vec.lane_vt (load $ptr)), 0)>;
283  defm : LoadPat<vec.vt, pat, inst>;
284}
285
286// Load lane
287multiclass SIMDLoadLane<Vec vec, bits<32> simdop> {
288  defvar name = "v128.load"#vec.lane_bits#"_lane";
289  let mayLoad = 1, UseNamedOperandTable = 1 in {
290  defm LOAD_LANE_#vec#_A32 :
291    SIMD_I<(outs V128:$dst),
292           (ins P2Align:$p2align, offset32_op:$off, vec_i8imm_op:$idx,
293                I32:$addr, V128:$vec),
294           (outs), (ins P2Align:$p2align, offset32_op:$off, vec_i8imm_op:$idx),
295           [], name#"\t$dst, ${off}(${addr})$p2align, $vec, $idx",
296           name#"\t$off$p2align, $idx", simdop>;
297  defm LOAD_LANE_#vec#_A64 :
298    SIMD_I<(outs V128:$dst),
299           (ins P2Align:$p2align, offset64_op:$off, vec_i8imm_op:$idx,
300                I64:$addr, V128:$vec),
301           (outs), (ins P2Align:$p2align, offset64_op:$off, vec_i8imm_op:$idx),
302           [], name#"\t$dst, ${off}(${addr})$p2align, $vec, $idx",
303           name#"\t$off$p2align, $idx", simdop>;
304  } // mayLoad = 1, UseNamedOperandTable = 1
305}
306
307defm "" : SIMDLoadLane<I8x16, 0x54>;
308defm "" : SIMDLoadLane<I16x8, 0x55>;
309defm "" : SIMDLoadLane<I32x4, 0x56>;
310defm "" : SIMDLoadLane<I64x2, 0x57>;
311
312// Select loads with no constant offset.
313multiclass LoadLanePatNoOffset<Vec vec, SDPatternOperator kind> {
314  defvar load_lane_a32 = !cast<NI>("LOAD_LANE_"#vec#"_A32");
315  defvar load_lane_a64 = !cast<NI>("LOAD_LANE_"#vec#"_A64");
316  def : Pat<(vec.vt (kind (i32 I32:$addr),
317              (vec.vt V128:$vec), (i32 vec.lane_idx:$idx))),
318            (load_lane_a32 0, 0, imm:$idx, $addr, $vec)>,
319        Requires<[HasAddr32]>;
320  def : Pat<(vec.vt (kind (i64 I64:$addr),
321              (vec.vt V128:$vec), (i32 vec.lane_idx:$idx))),
322            (load_lane_a64 0, 0, imm:$idx, $addr, $vec)>,
323        Requires<[HasAddr64]>;
324}
325
326def load8_lane :
327  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
328          (vector_insert $vec, (i32 (extloadi8 $ptr)), $idx)>;
329def load16_lane :
330  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
331          (vector_insert $vec, (i32 (extloadi16 $ptr)), $idx)>;
332def load32_lane :
333  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
334          (vector_insert $vec, (i32 (load $ptr)), $idx)>;
335def load64_lane :
336  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
337          (vector_insert $vec, (i64 (load $ptr)), $idx)>;
338// TODO: floating point lanes as well
339
340defm : LoadLanePatNoOffset<I8x16, load8_lane>;
341defm : LoadLanePatNoOffset<I16x8, load16_lane>;
342defm : LoadLanePatNoOffset<I32x4, load32_lane>;
343defm : LoadLanePatNoOffset<I64x2, load64_lane>;
344
345// TODO: Also support the other load patterns for load_lane once the instructions
346// are merged to the proposal.
347
348// Store: v128.store
349let mayStore = 1, UseNamedOperandTable = 1 in {
350defm STORE_V128_A32 :
351  SIMD_I<(outs), (ins P2Align:$p2align, offset32_op:$off, I32:$addr, V128:$vec),
352         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
353         "v128.store\t${off}(${addr})$p2align, $vec",
354         "v128.store\t$off$p2align", 11>;
355defm STORE_V128_A64 :
356  SIMD_I<(outs), (ins P2Align:$p2align, offset64_op:$off, I64:$addr, V128:$vec),
357         (outs), (ins P2Align:$p2align, offset64_op:$off), [],
358         "v128.store\t${off}(${addr})$p2align, $vec",
359         "v128.store\t$off$p2align", 11>;
360}
361
362// Def store patterns from WebAssemblyInstrMemory.td for vector types
363foreach vec = AllVecs in {
364defm : StorePat<vec.vt, store, "STORE_V128">;
365}
366
367// Store lane
368multiclass SIMDStoreLane<Vec vec, bits<32> simdop> {
369  defvar name = "v128.store"#vec.lane_bits#"_lane";
370  let mayStore = 1, UseNamedOperandTable = 1 in {
371  defm STORE_LANE_#vec#_A32 :
372    SIMD_I<(outs),
373           (ins P2Align:$p2align, offset32_op:$off, vec_i8imm_op:$idx,
374                I32:$addr, V128:$vec),
375           (outs), (ins P2Align:$p2align, offset32_op:$off, vec_i8imm_op:$idx),
376           [], name#"\t${off}(${addr})$p2align, $vec, $idx",
377           name#"\t$off$p2align, $idx", simdop>;
378  defm STORE_LANE_#vec#_A64 :
379    SIMD_I<(outs),
380           (ins P2Align:$p2align, offset64_op:$off, vec_i8imm_op:$idx,
381                I64:$addr, V128:$vec),
382           (outs), (ins P2Align:$p2align, offset64_op:$off, vec_i8imm_op:$idx),
383           [], name#"\t${off}(${addr})$p2align, $vec, $idx",
384           name#"\t$off$p2align, $idx", simdop>;
385  } // mayStore = 1, UseNamedOperandTable = 1
386}
387
388defm "" : SIMDStoreLane<I8x16, 0x58>;
389defm "" : SIMDStoreLane<I16x8, 0x59>;
390defm "" : SIMDStoreLane<I32x4, 0x5a>;
391defm "" : SIMDStoreLane<I64x2, 0x5b>;
392
393multiclass StoreLanePat<Vec vec, SDPatternOperator kind> {
394  def : Pat<(kind (AddrOps32 offset32_op:$offset, I32:$addr),
395                  (vec.vt V128:$vec),
396                  (i32 vec.lane_idx:$idx)),
397            (!cast<NI>("STORE_LANE_"#vec#"_A32") 0, $offset, imm:$idx, $addr, $vec)>,
398        Requires<[HasAddr32]>;
399  def : Pat<(kind (AddrOps64 offset64_op:$offset, I64:$addr),
400                  (vec.vt V128:$vec),
401                  (i32 vec.lane_idx:$idx)),
402            (!cast<NI>("STORE_LANE_"#vec#"_A64") 0, $offset, imm:$idx, $addr, $vec)>,
403        Requires<[HasAddr64]>;
404}
405
406def store8_lane :
407  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
408          (truncstorei8 (i32 (vector_extract $vec, $idx)), $ptr)>;
409def store16_lane :
410  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
411          (truncstorei16 (i32 (vector_extract $vec, $idx)), $ptr)>;
412def store32_lane :
413  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
414          (store (i32 (vector_extract $vec, $idx)), $ptr)>;
415def store64_lane :
416  PatFrag<(ops node:$ptr, node:$vec, node:$idx),
417          (store (i64 (vector_extract $vec, $idx)), $ptr)>;
418// TODO: floating point lanes as well
419
420let AddedComplexity = 1 in {
421defm : StoreLanePat<I8x16, store8_lane>;
422defm : StoreLanePat<I16x8, store16_lane>;
423defm : StoreLanePat<I32x4, store32_lane>;
424defm : StoreLanePat<I64x2, store64_lane>;
425}
426
427//===----------------------------------------------------------------------===//
428// Constructing SIMD values
429//===----------------------------------------------------------------------===//
430
431// Constant: v128.const
432multiclass ConstVec<Vec vec, dag ops, dag pat, string args> {
433  let isMoveImm = 1, isReMaterializable = 1 in
434  defm CONST_V128_#vec : SIMD_I<(outs V128:$dst), ops, (outs), ops,
435                                 [(set V128:$dst, (vec.vt pat))],
436                                 "v128.const\t$dst, "#args,
437                                 "v128.const\t"#args, 12>;
438}
439
440defm "" : ConstVec<I8x16,
441                   (ins vec_i8imm_op:$i0, vec_i8imm_op:$i1,
442                        vec_i8imm_op:$i2, vec_i8imm_op:$i3,
443                        vec_i8imm_op:$i4, vec_i8imm_op:$i5,
444                        vec_i8imm_op:$i6, vec_i8imm_op:$i7,
445                        vec_i8imm_op:$i8, vec_i8imm_op:$i9,
446                        vec_i8imm_op:$iA, vec_i8imm_op:$iB,
447                        vec_i8imm_op:$iC, vec_i8imm_op:$iD,
448                        vec_i8imm_op:$iE, vec_i8imm_op:$iF),
449                   (build_vector ImmI8:$i0, ImmI8:$i1, ImmI8:$i2, ImmI8:$i3,
450                                 ImmI8:$i4, ImmI8:$i5, ImmI8:$i6, ImmI8:$i7,
451                                 ImmI8:$i8, ImmI8:$i9, ImmI8:$iA, ImmI8:$iB,
452                                 ImmI8:$iC, ImmI8:$iD, ImmI8:$iE, ImmI8:$iF),
453                   !strconcat("$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7, ",
454                              "$i8, $i9, $iA, $iB, $iC, $iD, $iE, $iF")>;
455defm "" : ConstVec<I16x8,
456                   (ins vec_i16imm_op:$i0, vec_i16imm_op:$i1,
457                        vec_i16imm_op:$i2, vec_i16imm_op:$i3,
458                        vec_i16imm_op:$i4, vec_i16imm_op:$i5,
459                        vec_i16imm_op:$i6, vec_i16imm_op:$i7),
460                   (build_vector
461                     ImmI16:$i0, ImmI16:$i1, ImmI16:$i2, ImmI16:$i3,
462                     ImmI16:$i4, ImmI16:$i5, ImmI16:$i6, ImmI16:$i7),
463                   "$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7">;
464let IsCanonical = 1 in
465defm "" : ConstVec<I32x4,
466                   (ins vec_i32imm_op:$i0, vec_i32imm_op:$i1,
467                        vec_i32imm_op:$i2, vec_i32imm_op:$i3),
468                   (build_vector (i32 imm:$i0), (i32 imm:$i1),
469                                 (i32 imm:$i2), (i32 imm:$i3)),
470                   "$i0, $i1, $i2, $i3">;
471defm "" : ConstVec<I64x2,
472                   (ins vec_i64imm_op:$i0, vec_i64imm_op:$i1),
473                   (build_vector (i64 imm:$i0), (i64 imm:$i1)),
474                   "$i0, $i1">;
475defm "" : ConstVec<F32x4,
476                   (ins f32imm_op:$i0, f32imm_op:$i1,
477                        f32imm_op:$i2, f32imm_op:$i3),
478                   (build_vector (f32 fpimm:$i0), (f32 fpimm:$i1),
479                                 (f32 fpimm:$i2), (f32 fpimm:$i3)),
480                   "$i0, $i1, $i2, $i3">;
481defm "" : ConstVec<F64x2,
482                  (ins f64imm_op:$i0, f64imm_op:$i1),
483                  (build_vector (f64 fpimm:$i0), (f64 fpimm:$i1)),
484                  "$i0, $i1">;
485
486// Match splat(x) -> const.v128(x, ..., x)
487foreach vec = AllVecs in {
488  defvar numEls = !div(vec.vt.Size, vec.lane_bits);
489  defvar isFloat = !or(!eq(vec.lane_vt, f32), !eq(vec.lane_vt, f64));
490  defvar immKind = !if(isFloat, fpimm, imm);
491  def : Pat<(vec.splat (vec.lane_vt immKind:$x)),
492            !dag(!cast<NI>("CONST_V128_"#vec),
493                 !listsplat((vec.lane_vt immKind:$x), numEls),
494                 ?)>;
495}
496
497// Shuffle lanes: shuffle
498defm SHUFFLE :
499  SIMD_I<(outs V128:$dst),
500         (ins V128:$x, V128:$y,
501           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
502           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
503           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
504           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
505           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
506           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
507           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
508           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
509         (outs),
510         (ins
511           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
512           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
513           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
514           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
515           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
516           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
517           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
518           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
519         [],
520         "i8x16.shuffle\t$dst, $x, $y, "#
521           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
522           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
523         "i8x16.shuffle\t"#
524           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
525           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
526         13>;
527
528// Shuffles after custom lowering
529def wasm_shuffle_t : SDTypeProfile<1, 18, []>;
530def wasm_shuffle : SDNode<"WebAssemblyISD::SHUFFLE", wasm_shuffle_t>;
531foreach vec = AllVecs in {
532// The @llvm.wasm.shuffle intrinsic has immediate arguments that become TargetConstants.
533def : Pat<(vec.vt (wasm_shuffle (vec.vt V128:$x), (vec.vt V128:$y),
534            (i32 timm:$m0), (i32 timm:$m1),
535            (i32 timm:$m2), (i32 timm:$m3),
536            (i32 timm:$m4), (i32 timm:$m5),
537            (i32 timm:$m6), (i32 timm:$m7),
538            (i32 timm:$m8), (i32 timm:$m9),
539            (i32 timm:$mA), (i32 timm:$mB),
540            (i32 timm:$mC), (i32 timm:$mD),
541            (i32 timm:$mE), (i32 timm:$mF))),
542          (SHUFFLE $x, $y,
543            imm:$m0, imm:$m1, imm:$m2, imm:$m3,
544            imm:$m4, imm:$m5, imm:$m6, imm:$m7,
545            imm:$m8, imm:$m9, imm:$mA, imm:$mB,
546            imm:$mC, imm:$mD, imm:$mE, imm:$mF)>;
547// Normal shufflevector instructions may have normal constant arguemnts.
548def : Pat<(vec.vt (wasm_shuffle (vec.vt V128:$x), (vec.vt V128:$y),
549            (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1),
550            (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3),
551            (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5),
552            (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7),
553            (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9),
554            (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB),
555            (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD),
556            (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF))),
557          (SHUFFLE $x, $y,
558            imm:$m0, imm:$m1, imm:$m2, imm:$m3,
559            imm:$m4, imm:$m5, imm:$m6, imm:$m7,
560            imm:$m8, imm:$m9, imm:$mA, imm:$mB,
561            imm:$mC, imm:$mD, imm:$mE, imm:$mF)>;
562}
563
564// Swizzle lanes: i8x16.swizzle
565def wasm_swizzle_t : SDTypeProfile<1, 2, []>;
566def wasm_swizzle : SDNode<"WebAssemblyISD::SWIZZLE", wasm_swizzle_t>;
567defm SWIZZLE :
568  SIMD_I<(outs V128:$dst), (ins V128:$src, V128:$mask), (outs), (ins),
569         [(set (v16i8 V128:$dst),
570           (wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)))],
571         "i8x16.swizzle\t$dst, $src, $mask", "i8x16.swizzle", 14>;
572
573def : Pat<(int_wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)),
574          (SWIZZLE $src, $mask)>;
575
576multiclass Splat<Vec vec, bits<32> simdop> {
577  defm SPLAT_#vec : SIMD_I<(outs V128:$dst), (ins vec.lane_rc:$x),
578                           (outs), (ins),
579                           [(set (vec.vt V128:$dst),
580                              (vec.splat vec.lane_rc:$x))],
581                           vec.prefix#".splat\t$dst, $x", vec.prefix#".splat",
582                           simdop>;
583}
584
585defm "" : Splat<I8x16, 15>;
586defm "" : Splat<I16x8, 16>;
587defm "" : Splat<I32x4, 17>;
588defm "" : Splat<I64x2, 18>;
589defm "" : Splat<F32x4, 19>;
590defm "" : Splat<F64x2, 20>;
591
592// scalar_to_vector leaves high lanes undefined, so can be a splat
593foreach vec = AllVecs in
594def : Pat<(vec.vt (scalar_to_vector (vec.lane_vt vec.lane_rc:$x))),
595          (!cast<Instruction>("SPLAT_"#vec) $x)>;
596
597//===----------------------------------------------------------------------===//
598// Accessing lanes
599//===----------------------------------------------------------------------===//
600
601// Extract lane as a scalar: extract_lane / extract_lane_s / extract_lane_u
602multiclass ExtractLane<Vec vec, bits<32> simdop, string suffix = ""> {
603  defm EXTRACT_LANE_#vec#suffix :
604      SIMD_I<(outs vec.lane_rc:$dst), (ins V128:$vec, vec_i8imm_op:$idx),
605             (outs), (ins vec_i8imm_op:$idx), [],
606             vec.prefix#".extract_lane"#suffix#"\t$dst, $vec, $idx",
607             vec.prefix#".extract_lane"#suffix#"\t$idx", simdop>;
608}
609
610defm "" : ExtractLane<I8x16, 21, "_s">;
611defm "" : ExtractLane<I8x16, 22, "_u">;
612defm "" : ExtractLane<I16x8, 24, "_s">;
613defm "" : ExtractLane<I16x8, 25, "_u">;
614defm "" : ExtractLane<I32x4, 27>;
615defm "" : ExtractLane<I64x2, 29>;
616defm "" : ExtractLane<F32x4, 31>;
617defm "" : ExtractLane<F64x2, 33>;
618
619def : Pat<(vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)),
620          (EXTRACT_LANE_I8x16_u $vec, imm:$idx)>;
621def : Pat<(vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)),
622          (EXTRACT_LANE_I16x8_u $vec, imm:$idx)>;
623def : Pat<(vector_extract (v4i32 V128:$vec), (i32 LaneIdx4:$idx)),
624          (EXTRACT_LANE_I32x4 $vec, imm:$idx)>;
625def : Pat<(vector_extract (v4f32 V128:$vec), (i32 LaneIdx4:$idx)),
626          (EXTRACT_LANE_F32x4 $vec, imm:$idx)>;
627def : Pat<(vector_extract (v2i64 V128:$vec), (i32 LaneIdx2:$idx)),
628          (EXTRACT_LANE_I64x2 $vec, imm:$idx)>;
629def : Pat<(vector_extract (v2f64 V128:$vec), (i32 LaneIdx2:$idx)),
630          (EXTRACT_LANE_F64x2 $vec, imm:$idx)>;
631
632def : Pat<
633  (sext_inreg (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), i8),
634  (EXTRACT_LANE_I8x16_s $vec, imm:$idx)>;
635def : Pat<
636  (and (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), (i32 0xff)),
637  (EXTRACT_LANE_I8x16_u $vec, imm:$idx)>;
638def : Pat<
639  (sext_inreg (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), i16),
640  (EXTRACT_LANE_I16x8_s $vec, imm:$idx)>;
641def : Pat<
642  (and (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), (i32 0xffff)),
643  (EXTRACT_LANE_I16x8_u $vec, imm:$idx)>;
644
645// Replace lane value: replace_lane
646multiclass ReplaceLane<Vec vec, bits<32> simdop> {
647  defm REPLACE_LANE_#vec :
648    SIMD_I<(outs V128:$dst), (ins V128:$vec, vec_i8imm_op:$idx, vec.lane_rc:$x),
649           (outs), (ins vec_i8imm_op:$idx),
650           [(set V128:$dst, (vector_insert
651             (vec.vt V128:$vec),
652             (vec.lane_vt vec.lane_rc:$x),
653             (i32 vec.lane_idx:$idx)))],
654           vec.prefix#".replace_lane\t$dst, $vec, $idx, $x",
655           vec.prefix#".replace_lane\t$idx", simdop>;
656}
657
658defm "" : ReplaceLane<I8x16, 23>;
659defm "" : ReplaceLane<I16x8, 26>;
660defm "" : ReplaceLane<I32x4, 28>;
661defm "" : ReplaceLane<I64x2, 30>;
662defm "" : ReplaceLane<F32x4, 32>;
663defm "" : ReplaceLane<F64x2, 34>;
664
665// Lower undef lane indices to zero
666def : Pat<(vector_insert (v16i8 V128:$vec), I32:$x, undef),
667          (REPLACE_LANE_I8x16 $vec, 0, $x)>;
668def : Pat<(vector_insert (v8i16 V128:$vec), I32:$x, undef),
669          (REPLACE_LANE_I16x8 $vec, 0, $x)>;
670def : Pat<(vector_insert (v4i32 V128:$vec), I32:$x, undef),
671          (REPLACE_LANE_I32x4 $vec, 0, $x)>;
672def : Pat<(vector_insert (v2i64 V128:$vec), I64:$x, undef),
673          (REPLACE_LANE_I64x2 $vec, 0, $x)>;
674def : Pat<(vector_insert (v4f32 V128:$vec), F32:$x, undef),
675          (REPLACE_LANE_F32x4 $vec, 0, $x)>;
676def : Pat<(vector_insert (v2f64 V128:$vec), F64:$x, undef),
677          (REPLACE_LANE_F64x2 $vec, 0, $x)>;
678
679//===----------------------------------------------------------------------===//
680// Comparisons
681//===----------------------------------------------------------------------===//
682
683multiclass SIMDCondition<Vec vec, string name, CondCode cond, bits<32> simdop> {
684  defm _#vec :
685    SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
686           [(set (vec.int_vt V128:$dst),
687             (setcc (vec.vt V128:$lhs), (vec.vt V128:$rhs), cond))],
688           vec.prefix#"."#name#"\t$dst, $lhs, $rhs",
689           vec.prefix#"."#name, simdop>;
690}
691
692multiclass SIMDConditionInt<string name, CondCode cond, bits<32> baseInst> {
693  defm "" : SIMDCondition<I8x16, name, cond, baseInst>;
694  defm "" : SIMDCondition<I16x8, name, cond, !add(baseInst, 10)>;
695  defm "" : SIMDCondition<I32x4, name, cond, !add(baseInst, 20)>;
696}
697
698multiclass SIMDConditionFP<string name, CondCode cond, bits<32> baseInst> {
699  defm "" : SIMDCondition<F32x4, name, cond, baseInst>;
700  defm "" : SIMDCondition<F64x2, name, cond, !add(baseInst, 6)>;
701}
702
703// Equality: eq
704let isCommutable = 1 in {
705defm EQ : SIMDConditionInt<"eq", SETEQ, 35>;
706defm EQ : SIMDCondition<I64x2, "eq", SETEQ, 214>;
707defm EQ : SIMDConditionFP<"eq", SETOEQ, 65>;
708} // isCommutable = 1
709
710// Non-equality: ne
711let isCommutable = 1 in {
712defm NE : SIMDConditionInt<"ne", SETNE, 36>;
713defm NE : SIMDCondition<I64x2, "ne", SETNE, 215>;
714defm NE : SIMDConditionFP<"ne", SETUNE, 66>;
715} // isCommutable = 1
716
717// Less than: lt_s / lt_u / lt
718defm LT_S : SIMDConditionInt<"lt_s", SETLT, 37>;
719defm LT_S : SIMDCondition<I64x2, "lt_s", SETLT, 216>;
720defm LT_U : SIMDConditionInt<"lt_u", SETULT, 38>;
721defm LT : SIMDConditionFP<"lt", SETOLT, 67>;
722
723// Greater than: gt_s / gt_u / gt
724defm GT_S : SIMDConditionInt<"gt_s", SETGT, 39>;
725defm GT_S : SIMDCondition<I64x2, "gt_s", SETGT, 217>;
726defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 40>;
727defm GT : SIMDConditionFP<"gt", SETOGT, 68>;
728
729// Less than or equal: le_s / le_u / le
730defm LE_S : SIMDConditionInt<"le_s", SETLE, 41>;
731defm LE_S : SIMDCondition<I64x2, "le_s", SETLE, 218>;
732defm LE_U : SIMDConditionInt<"le_u", SETULE, 42>;
733defm LE : SIMDConditionFP<"le", SETOLE, 69>;
734
735// Greater than or equal: ge_s / ge_u / ge
736defm GE_S : SIMDConditionInt<"ge_s", SETGE, 43>;
737defm GE_S : SIMDCondition<I64x2, "ge_s", SETGE, 219>;
738defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 44>;
739defm GE : SIMDConditionFP<"ge", SETOGE, 70>;
740
741// Lower float comparisons that don't care about NaN to standard WebAssembly
742// float comparisons. These instructions are generated with nnan and in the
743// target-independent expansion of unordered comparisons and ordered ne.
744foreach nodes = [[seteq, EQ_F32x4], [setne, NE_F32x4], [setlt, LT_F32x4],
745                 [setgt, GT_F32x4], [setle, LE_F32x4], [setge, GE_F32x4]] in
746def : Pat<(v4i32 (nodes[0] (v4f32 V128:$lhs), (v4f32 V128:$rhs))),
747          (nodes[1] $lhs, $rhs)>;
748
749foreach nodes = [[seteq, EQ_F64x2], [setne, NE_F64x2], [setlt, LT_F64x2],
750                 [setgt, GT_F64x2], [setle, LE_F64x2], [setge, GE_F64x2]] in
751def : Pat<(v2i64 (nodes[0] (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
752          (nodes[1] $lhs, $rhs)>;
753
754//===----------------------------------------------------------------------===//
755// Bitwise operations
756//===----------------------------------------------------------------------===//
757
758multiclass SIMDBinary<Vec vec, SDPatternOperator node, string name, bits<32> simdop> {
759  defm _#vec : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
760                      (outs), (ins),
761                      [(set (vec.vt V128:$dst),
762                        (node (vec.vt V128:$lhs), (vec.vt V128:$rhs)))],
763                      vec.prefix#"."#name#"\t$dst, $lhs, $rhs",
764                      vec.prefix#"."#name, simdop>;
765}
766
767multiclass SIMDBitwise<SDPatternOperator node, string name, bits<32> simdop,
768                       bit commutable = false> {
769  let isCommutable = commutable in
770  defm "" : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
771                   (outs), (ins), [],
772                   "v128."#name#"\t$dst, $lhs, $rhs", "v128."#name, simdop>;
773  foreach vec = IntVecs in
774  def : Pat<(node (vec.vt V128:$lhs), (vec.vt V128:$rhs)),
775            (!cast<NI>(NAME) $lhs, $rhs)>;
776}
777
778multiclass SIMDUnary<Vec vec, SDPatternOperator node, string name, bits<32> simdop> {
779  defm _#vec : SIMD_I<(outs V128:$dst), (ins V128:$v), (outs), (ins),
780                      [(set (vec.vt V128:$dst),
781                        (vec.vt (node (vec.vt V128:$v))))],
782                      vec.prefix#"."#name#"\t$dst, $v",
783                      vec.prefix#"."#name, simdop>;
784}
785
786// Bitwise logic: v128.not
787defm NOT : SIMD_I<(outs V128:$dst), (ins V128:$v), (outs), (ins), [],
788                  "v128.not\t$dst, $v", "v128.not", 77>;
789foreach vec = IntVecs in
790def : Pat<(vnot (vec.vt V128:$v)), (NOT $v)>;
791
792// Bitwise logic: v128.and / v128.or / v128.xor
793defm AND : SIMDBitwise<and, "and", 78, true>;
794defm OR : SIMDBitwise<or, "or", 80, true>;
795defm XOR : SIMDBitwise<xor, "xor", 81, true>;
796
797// Bitwise logic: v128.andnot
798def andnot : PatFrag<(ops node:$left, node:$right), (and $left, (vnot $right))>;
799defm ANDNOT : SIMDBitwise<andnot, "andnot", 79>;
800
801// Bitwise select: v128.bitselect
802defm BITSELECT :
803  SIMD_I<(outs V128:$dst), (ins V128:$v1, V128:$v2, V128:$c), (outs), (ins), [],
804         "v128.bitselect\t$dst, $v1, $v2, $c", "v128.bitselect", 82>;
805
806foreach vec = AllVecs in
807def : Pat<(vec.vt (int_wasm_bitselect
808            (vec.vt V128:$v1), (vec.vt V128:$v2), (vec.vt V128:$c))),
809          (BITSELECT $v1, $v2, $c)>;
810
811// Bitselect is equivalent to (c & v1) | (~c & v2)
812foreach vec = IntVecs in
813def : Pat<(vec.vt (or (and (vec.vt V128:$c), (vec.vt V128:$v1)),
814            (and (vnot V128:$c), (vec.vt V128:$v2)))),
815          (BITSELECT $v1, $v2, $c)>;
816
817// Bitselect is also equivalent to ((v1 ^ v2) & c) ^ v2
818foreach vec = IntVecs in
819def : Pat<(vec.vt (xor (and (xor (vec.vt V128:$v1), (vec.vt V128:$v2)),
820                            (vec.vt V128:$c)),
821                       (vec.vt V128:$v2))),
822          (BITSELECT $v1, $v2, $c)>;
823
824// Same pattern with `c` negated so `a` and `b` get swapped.
825foreach vec = IntVecs in
826def : Pat<(vec.vt (xor (and (xor (vec.vt V128:$v1), (vec.vt V128:$v2)),
827                            (vnot (vec.vt V128:$c))),
828                       (vec.vt V128:$v2))),
829          (BITSELECT $v2, $v1, $c)>;
830
831// Also implement vselect in terms of bitselect
832foreach vec = AllVecs in
833def : Pat<(vec.vt (vselect
834            (vec.int_vt V128:$c), (vec.vt V128:$v1), (vec.vt V128:$v2))),
835          (BITSELECT $v1, $v2, $c)>;
836
837// MVP select on v128 values
838defm SELECT_V128 :
839  I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs, I32:$cond), (outs), (ins), [],
840    "v128.select\t$dst, $lhs, $rhs, $cond", "v128.select", 0x1b>;
841
842foreach vec = AllVecs in {
843def : Pat<(select I32:$cond, (vec.vt V128:$lhs), (vec.vt V128:$rhs)),
844          (SELECT_V128 $lhs, $rhs, $cond)>;
845
846// ISD::SELECT requires its operand to conform to getBooleanContents, but
847// WebAssembly's select interprets any non-zero value as true, so we can fold
848// a setne with 0 into a select.
849def : Pat<(select
850            (i32 (setne I32:$cond, 0)), (vec.vt V128:$lhs), (vec.vt V128:$rhs)),
851          (SELECT_V128 $lhs, $rhs, $cond)>;
852
853// And again, this time with seteq instead of setne and the arms reversed.
854def : Pat<(select
855            (i32 (seteq I32:$cond, 0)), (vec.vt V128:$lhs), (vec.vt V128:$rhs)),
856          (SELECT_V128 $rhs, $lhs, $cond)>;
857} // foreach vec
858
859//===----------------------------------------------------------------------===//
860// Integer unary arithmetic
861//===----------------------------------------------------------------------===//
862
863multiclass SIMDUnaryInt<SDPatternOperator node, string name, bits<32> baseInst> {
864  defm "" : SIMDUnary<I8x16, node, name, baseInst>;
865  defm "" : SIMDUnary<I16x8, node, name, !add(baseInst, 32)>;
866  defm "" : SIMDUnary<I32x4, node, name, !add(baseInst, 64)>;
867  defm "" : SIMDUnary<I64x2, node, name, !add(baseInst, 96)>;
868}
869
870// Integer vector negation
871def ivneg : PatFrag<(ops node:$in), (sub immAllZerosV, $in)>;
872
873// Integer absolute value: abs
874defm ABS : SIMDUnaryInt<abs, "abs", 96>;
875
876// Integer negation: neg
877defm NEG : SIMDUnaryInt<ivneg, "neg", 97>;
878
879// Population count: popcnt
880defm POPCNT : SIMDUnary<I8x16, ctpop, "popcnt", 0x62>;
881
882// Any lane true: any_true
883defm ANYTRUE : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins), [],
884                      "v128.any_true\t$dst, $vec", "v128.any_true", 0x53>;
885
886foreach vec = IntVecs in
887def : Pat<(int_wasm_anytrue (vec.vt V128:$vec)), (ANYTRUE V128:$vec)>;
888
889// All lanes true: all_true
890multiclass SIMDAllTrue<Vec vec, bits<32> simdop> {
891  defm ALLTRUE_#vec : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins),
892                             [(set I32:$dst,
893                               (i32 (int_wasm_alltrue (vec.vt V128:$vec))))],
894                             vec.prefix#".all_true\t$dst, $vec",
895                             vec.prefix#".all_true", simdop>;
896}
897
898defm "" : SIMDAllTrue<I8x16, 0x63>;
899defm "" : SIMDAllTrue<I16x8, 0x83>;
900defm "" : SIMDAllTrue<I32x4, 0xa3>;
901defm "" : SIMDAllTrue<I64x2, 0xc3>;
902
903// Reductions already return 0 or 1, so and 1, setne 0, and seteq 1
904// can be folded out
905foreach reduction =
906  [["int_wasm_anytrue", "ANYTRUE", "I8x16"],
907   ["int_wasm_anytrue", "ANYTRUE", "I16x8"],
908   ["int_wasm_anytrue", "ANYTRUE", "I32x4"],
909   ["int_wasm_anytrue", "ANYTRUE", "I64x2"],
910   ["int_wasm_alltrue", "ALLTRUE_I8x16", "I8x16"],
911   ["int_wasm_alltrue", "ALLTRUE_I16x8", "I16x8"],
912   ["int_wasm_alltrue", "ALLTRUE_I32x4", "I32x4"],
913   ["int_wasm_alltrue", "ALLTRUE_I64x2", "I64x2"]] in {
914defvar intrinsic = !cast<Intrinsic>(reduction[0]);
915defvar inst = !cast<NI>(reduction[1]);
916defvar vec = !cast<Vec>(reduction[2]);
917def : Pat<(i32 (and (i32 (intrinsic (vec.vt V128:$x))), (i32 1))), (inst $x)>;
918def : Pat<(i32 (setne (i32 (intrinsic (vec.vt V128:$x))), (i32 0))), (inst $x)>;
919def : Pat<(i32 (seteq (i32 (intrinsic (vec.vt V128:$x))), (i32 1))), (inst $x)>;
920}
921
922multiclass SIMDBitmask<Vec vec, bits<32> simdop> {
923  defm _#vec : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins),
924                      [(set I32:$dst,
925                         (i32 (int_wasm_bitmask (vec.vt V128:$vec))))],
926                      vec.prefix#".bitmask\t$dst, $vec", vec.prefix#".bitmask",
927                      simdop>;
928}
929
930defm BITMASK : SIMDBitmask<I8x16, 100>;
931defm BITMASK : SIMDBitmask<I16x8, 132>;
932defm BITMASK : SIMDBitmask<I32x4, 164>;
933defm BITMASK : SIMDBitmask<I64x2, 196>;
934
935//===----------------------------------------------------------------------===//
936// Bit shifts
937//===----------------------------------------------------------------------===//
938
939multiclass SIMDShift<Vec vec, SDNode node, string name, bits<32> simdop> {
940  defm _#vec : SIMD_I<(outs V128:$dst), (ins V128:$vec, I32:$x), (outs), (ins),
941                      [(set (vec.vt V128:$dst), (node V128:$vec, I32:$x))],
942                      vec.prefix#"."#name#"\t$dst, $vec, $x",
943                      vec.prefix#"."#name, simdop>;
944}
945
946multiclass SIMDShiftInt<SDNode node, string name, bits<32> baseInst> {
947  defm "" : SIMDShift<I8x16, node, name, baseInst>;
948  defm "" : SIMDShift<I16x8, node, name, !add(baseInst, 32)>;
949  defm "" : SIMDShift<I32x4, node, name, !add(baseInst, 64)>;
950  defm "" : SIMDShift<I64x2, node, name, !add(baseInst, 96)>;
951}
952
953// WebAssembly SIMD shifts are nonstandard in that the shift amount is
954// an i32 rather than a vector, so they need custom nodes.
955def wasm_shift_t :
956  SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVT<2, i32>]>;
957def wasm_shl : SDNode<"WebAssemblyISD::VEC_SHL", wasm_shift_t>;
958def wasm_shr_s : SDNode<"WebAssemblyISD::VEC_SHR_S", wasm_shift_t>;
959def wasm_shr_u : SDNode<"WebAssemblyISD::VEC_SHR_U", wasm_shift_t>;
960
961// Left shift by scalar: shl
962defm SHL : SIMDShiftInt<wasm_shl, "shl", 107>;
963
964// Right shift by scalar: shr_s / shr_u
965defm SHR_S : SIMDShiftInt<wasm_shr_s, "shr_s", 108>;
966defm SHR_U : SIMDShiftInt<wasm_shr_u, "shr_u", 109>;
967
968// Optimize away an explicit mask on a shift count.
969def : Pat<(wasm_shl (v16i8 V128:$lhs), (and I32:$rhs, 7)),
970          (SHL_I8x16 V128:$lhs, I32:$rhs)>;
971def : Pat<(wasm_shr_s (v16i8 V128:$lhs), (and I32:$rhs, 7)),
972          (SHR_S_I8x16 V128:$lhs, I32:$rhs)>;
973def : Pat<(wasm_shr_u (v16i8 V128:$lhs), (and I32:$rhs, 7)),
974          (SHR_U_I8x16 V128:$lhs, I32:$rhs)>;
975
976def : Pat<(wasm_shl (v8i16 V128:$lhs), (and I32:$rhs, 15)),
977          (SHL_I16x8 V128:$lhs, I32:$rhs)>;
978def : Pat<(wasm_shr_s (v8i16 V128:$lhs), (and I32:$rhs, 15)),
979          (SHR_S_I16x8 V128:$lhs, I32:$rhs)>;
980def : Pat<(wasm_shr_u (v8i16 V128:$lhs), (and I32:$rhs, 15)),
981          (SHR_U_I16x8 V128:$lhs, I32:$rhs)>;
982
983def : Pat<(wasm_shl (v4i32 V128:$lhs), (and I32:$rhs, 31)),
984          (SHL_I32x4 V128:$lhs, I32:$rhs)>;
985def : Pat<(wasm_shr_s (v4i32 V128:$lhs), (and I32:$rhs, 31)),
986          (SHR_S_I32x4 V128:$lhs, I32:$rhs)>;
987def : Pat<(wasm_shr_u (v4i32 V128:$lhs), (and I32:$rhs, 31)),
988          (SHR_U_I32x4 V128:$lhs, I32:$rhs)>;
989
990def : Pat<(wasm_shl (v2i64 V128:$lhs), (and I32:$rhs, 63)),
991          (SHL_I64x2 V128:$lhs, I32:$rhs)>;
992def : Pat<(wasm_shr_s (v2i64 V128:$lhs), (and I32:$rhs, 63)),
993          (SHR_S_I64x2 V128:$lhs, I32:$rhs)>;
994def : Pat<(wasm_shr_u (v2i64 V128:$lhs), (and I32:$rhs, 63)),
995          (SHR_U_I64x2 V128:$lhs, I32:$rhs)>;
996def : Pat<(wasm_shl (v2i64 V128:$lhs), (trunc (and I64:$rhs, 63))),
997          (SHL_I64x2 V128:$lhs, (I32_WRAP_I64 I64:$rhs))>;
998def : Pat<(wasm_shr_s (v2i64 V128:$lhs), (trunc (and I64:$rhs, 63))),
999          (SHR_S_I64x2 V128:$lhs, (I32_WRAP_I64 I64:$rhs))>;
1000def : Pat<(wasm_shr_u (v2i64 V128:$lhs), (trunc (and I64:$rhs, 63))),
1001          (SHR_U_I64x2 V128:$lhs, (I32_WRAP_I64 I64:$rhs))>;
1002
1003//===----------------------------------------------------------------------===//
1004// Integer binary arithmetic
1005//===----------------------------------------------------------------------===//
1006
1007multiclass SIMDBinaryIntNoI8x16<SDPatternOperator node, string name, bits<32> baseInst> {
1008  defm "" : SIMDBinary<I16x8, node, name, !add(baseInst, 32)>;
1009  defm "" : SIMDBinary<I32x4, node, name, !add(baseInst, 64)>;
1010  defm "" : SIMDBinary<I64x2, node, name, !add(baseInst, 96)>;
1011}
1012
1013multiclass SIMDBinaryIntSmall<SDPatternOperator node, string name, bits<32> baseInst> {
1014  defm "" : SIMDBinary<I8x16, node, name, baseInst>;
1015  defm "" : SIMDBinary<I16x8, node, name, !add(baseInst, 32)>;
1016}
1017
1018multiclass SIMDBinaryIntNoI64x2<SDPatternOperator node, string name, bits<32> baseInst> {
1019  defm "" : SIMDBinaryIntSmall<node, name, baseInst>;
1020  defm "" : SIMDBinary<I32x4, node, name, !add(baseInst, 64)>;
1021}
1022
1023multiclass SIMDBinaryInt<SDPatternOperator node, string name, bits<32> baseInst> {
1024  defm "" : SIMDBinaryIntNoI64x2<node, name, baseInst>;
1025  defm "" : SIMDBinary<I64x2, node, name, !add(baseInst, 96)>;
1026}
1027
1028// Integer addition: add / add_sat_s / add_sat_u
1029let isCommutable = 1 in {
1030defm ADD : SIMDBinaryInt<add, "add", 110>;
1031defm ADD_SAT_S : SIMDBinaryIntSmall<saddsat, "add_sat_s", 111>;
1032defm ADD_SAT_U : SIMDBinaryIntSmall<uaddsat, "add_sat_u", 112>;
1033} // isCommutable = 1
1034
1035// Integer subtraction: sub / sub_sat_s / sub_sat_u
1036defm SUB : SIMDBinaryInt<sub, "sub", 113>;
1037defm SUB_SAT_S :
1038  SIMDBinaryIntSmall<int_wasm_sub_sat_signed, "sub_sat_s", 114>;
1039defm SUB_SAT_U :
1040  SIMDBinaryIntSmall<int_wasm_sub_sat_unsigned, "sub_sat_u", 115>;
1041
1042// Integer multiplication: mul
1043let isCommutable = 1 in
1044defm MUL : SIMDBinaryIntNoI8x16<mul, "mul", 117>;
1045
1046// Integer min_s / min_u / max_s / max_u
1047let isCommutable = 1 in {
1048defm MIN_S : SIMDBinaryIntNoI64x2<smin, "min_s", 118>;
1049defm MIN_U : SIMDBinaryIntNoI64x2<umin, "min_u", 119>;
1050defm MAX_S : SIMDBinaryIntNoI64x2<smax, "max_s", 120>;
1051defm MAX_U : SIMDBinaryIntNoI64x2<umax, "max_u", 121>;
1052} // isCommutable = 1
1053
1054// Integer unsigned rounding average: avgr_u
1055let isCommutable = 1 in {
1056defm AVGR_U : SIMDBinary<I8x16, int_wasm_avgr_unsigned, "avgr_u", 123>;
1057defm AVGR_U : SIMDBinary<I16x8, int_wasm_avgr_unsigned, "avgr_u", 155>;
1058}
1059
1060def add_nuw : PatFrag<(ops node:$lhs, node:$rhs), (add $lhs, $rhs),
1061                      "return N->getFlags().hasNoUnsignedWrap();">;
1062
1063foreach vec = [I8x16, I16x8] in {
1064defvar inst = !cast<NI>("AVGR_U_"#vec);
1065def : Pat<(wasm_shr_u
1066            (add_nuw
1067              (add_nuw (vec.vt V128:$lhs), (vec.vt V128:$rhs)),
1068              (vec.splat (i32 1))),
1069            (i32 1)),
1070          (inst $lhs, $rhs)>;
1071}
1072
1073// Widening dot product: i32x4.dot_i16x8_s
1074let isCommutable = 1 in
1075defm DOT : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
1076                  [(set V128:$dst, (int_wasm_dot V128:$lhs, V128:$rhs))],
1077                  "i32x4.dot_i16x8_s\t$dst, $lhs, $rhs", "i32x4.dot_i16x8_s",
1078                  186>;
1079
1080// Extending multiplication: extmul_{low,high}_P, extmul_high
1081def extend_t : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
1082def extend_low_s : SDNode<"WebAssemblyISD::EXTEND_LOW_S", extend_t>;
1083def extend_high_s : SDNode<"WebAssemblyISD::EXTEND_HIGH_S", extend_t>;
1084def extend_low_u : SDNode<"WebAssemblyISD::EXTEND_LOW_U", extend_t>;
1085def extend_high_u : SDNode<"WebAssemblyISD::EXTEND_HIGH_U", extend_t>;
1086
1087multiclass SIMDExtBinary<Vec vec, SDPatternOperator node, string name,
1088                         bits<32> simdop> {
1089  defm _#vec : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
1090                      (outs), (ins),
1091                      [(set (vec.vt V128:$dst), (node
1092                         (vec.split.vt V128:$lhs),(vec.split.vt V128:$rhs)))],
1093                      vec.prefix#"."#name#"\t$dst, $lhs, $rhs",
1094                      vec.prefix#"."#name, simdop>;
1095}
1096
1097class ExtMulPat<SDNode extend> :
1098  PatFrag<(ops node:$lhs, node:$rhs),
1099          (mul (extend $lhs), (extend $rhs))> {}
1100
1101def extmul_low_s : ExtMulPat<extend_low_s>;
1102def extmul_high_s : ExtMulPat<extend_high_s>;
1103def extmul_low_u : ExtMulPat<extend_low_u>;
1104def extmul_high_u : ExtMulPat<extend_high_u>;
1105
1106defm EXTMUL_LOW_S :
1107  SIMDExtBinary<I16x8, extmul_low_s, "extmul_low_i8x16_s", 0x9c>;
1108defm EXTMUL_HIGH_S :
1109  SIMDExtBinary<I16x8, extmul_high_s, "extmul_high_i8x16_s", 0x9d>;
1110defm EXTMUL_LOW_U :
1111  SIMDExtBinary<I16x8, extmul_low_u, "extmul_low_i8x16_u", 0x9e>;
1112defm EXTMUL_HIGH_U :
1113  SIMDExtBinary<I16x8, extmul_high_u, "extmul_high_i8x16_u", 0x9f>;
1114
1115defm EXTMUL_LOW_S :
1116  SIMDExtBinary<I32x4, extmul_low_s, "extmul_low_i16x8_s", 0xbc>;
1117defm EXTMUL_HIGH_S :
1118  SIMDExtBinary<I32x4, extmul_high_s, "extmul_high_i16x8_s", 0xbd>;
1119defm EXTMUL_LOW_U :
1120  SIMDExtBinary<I32x4, extmul_low_u, "extmul_low_i16x8_u", 0xbe>;
1121defm EXTMUL_HIGH_U :
1122  SIMDExtBinary<I32x4, extmul_high_u, "extmul_high_i16x8_u", 0xbf>;
1123
1124defm EXTMUL_LOW_S :
1125  SIMDExtBinary<I64x2, extmul_low_s, "extmul_low_i32x4_s", 0xdc>;
1126defm EXTMUL_HIGH_S :
1127  SIMDExtBinary<I64x2, extmul_high_s, "extmul_high_i32x4_s", 0xdd>;
1128defm EXTMUL_LOW_U :
1129  SIMDExtBinary<I64x2, extmul_low_u, "extmul_low_i32x4_u", 0xde>;
1130defm EXTMUL_HIGH_U :
1131  SIMDExtBinary<I64x2, extmul_high_u, "extmul_high_i32x4_u", 0xdf>;
1132
1133//===----------------------------------------------------------------------===//
1134// Floating-point unary arithmetic
1135//===----------------------------------------------------------------------===//
1136
1137multiclass SIMDUnaryFP<SDNode node, string name, bits<32> baseInst> {
1138  defm "" : SIMDUnary<F32x4, node, name, baseInst>;
1139  defm "" : SIMDUnary<F64x2, node, name, !add(baseInst, 12)>;
1140}
1141
1142// Absolute value: abs
1143defm ABS : SIMDUnaryFP<fabs, "abs", 224>;
1144
1145// Negation: neg
1146defm NEG : SIMDUnaryFP<fneg, "neg", 225>;
1147
1148// Square root: sqrt
1149defm SQRT : SIMDUnaryFP<fsqrt, "sqrt", 227>;
1150
1151// Rounding: ceil, floor, trunc, nearest
1152defm CEIL : SIMDUnary<F32x4, fceil, "ceil", 0x67>;
1153defm FLOOR : SIMDUnary<F32x4, ffloor, "floor", 0x68>;
1154defm TRUNC: SIMDUnary<F32x4, ftrunc, "trunc", 0x69>;
1155defm NEAREST: SIMDUnary<F32x4, fnearbyint, "nearest", 0x6a>;
1156defm CEIL : SIMDUnary<F64x2, fceil, "ceil", 0x74>;
1157defm FLOOR : SIMDUnary<F64x2, ffloor, "floor", 0x75>;
1158defm TRUNC: SIMDUnary<F64x2, ftrunc, "trunc", 0x7a>;
1159defm NEAREST: SIMDUnary<F64x2, fnearbyint, "nearest", 0x94>;
1160
1161// WebAssembly doesn't expose inexact exceptions, so map frint to fnearbyint.
1162def : Pat<(v4f32 (frint (v4f32 V128:$src))), (NEAREST_F32x4 V128:$src)>;
1163def : Pat<(v2f64 (frint (v2f64 V128:$src))), (NEAREST_F64x2 V128:$src)>;
1164
1165// WebAssembly always rounds ties-to-even, so map froundeven to fnearbyint.
1166def : Pat<(v4f32 (froundeven (v4f32 V128:$src))), (NEAREST_F32x4 V128:$src)>;
1167def : Pat<(v2f64 (froundeven (v2f64 V128:$src))), (NEAREST_F64x2 V128:$src)>;
1168
1169//===----------------------------------------------------------------------===//
1170// Floating-point binary arithmetic
1171//===----------------------------------------------------------------------===//
1172
1173multiclass SIMDBinaryFP<SDPatternOperator node, string name, bits<32> baseInst> {
1174  defm "" : SIMDBinary<F32x4, node, name, baseInst>;
1175  defm "" : SIMDBinary<F64x2, node, name, !add(baseInst, 12)>;
1176}
1177
1178// Addition: add
1179let isCommutable = 1 in
1180defm ADD : SIMDBinaryFP<fadd, "add", 228>;
1181
1182// Subtraction: sub
1183defm SUB : SIMDBinaryFP<fsub, "sub", 229>;
1184
1185// Multiplication: mul
1186let isCommutable = 1 in
1187defm MUL : SIMDBinaryFP<fmul, "mul", 230>;
1188
1189// Division: div
1190defm DIV : SIMDBinaryFP<fdiv, "div", 231>;
1191
1192// NaN-propagating minimum: min
1193defm MIN : SIMDBinaryFP<fminimum, "min", 232>;
1194
1195// NaN-propagating maximum: max
1196defm MAX : SIMDBinaryFP<fmaximum, "max", 233>;
1197
1198// Pseudo-minimum: pmin
1199def pmin : PatFrags<(ops node:$lhs, node:$rhs), [
1200                    (vselect (setolt $rhs, $lhs), $rhs, $lhs),
1201                    (vselect (setole $rhs, $lhs), $rhs, $lhs),
1202                    (vselect (setogt $lhs, $rhs), $rhs, $lhs),
1203                    (vselect (setoge $lhs, $rhs), $rhs, $lhs)
1204]>;
1205defm PMIN : SIMDBinaryFP<pmin, "pmin", 234>;
1206
1207// Pseudo-maximum: pmax
1208def pmax : PatFrags<(ops node:$lhs, node:$rhs), [
1209                    (vselect (setogt $rhs, $lhs), $rhs, $lhs),
1210                    (vselect (setoge $rhs, $lhs), $rhs, $lhs),
1211                    (vselect (setolt $lhs, $rhs), $rhs, $lhs),
1212                    (vselect (setole $lhs, $rhs), $rhs, $lhs)
1213]>;
1214defm PMAX : SIMDBinaryFP<pmax, "pmax", 235>;
1215
1216// Also match the pmin/pmax cases where the operands are int vectors (but the
1217// comparison is still a floating point comparison). This can happen when using
1218// the wasm_simd128.h intrinsics because v128_t is an integer vector.
1219foreach vec = [F32x4, F64x2] in {
1220defvar pmin = !cast<NI>("PMIN_"#vec);
1221defvar pmax = !cast<NI>("PMAX_"#vec);
1222def : Pat<(vec.int_vt (vselect
1223            (setolt (vec.vt (bitconvert V128:$rhs)),
1224                    (vec.vt (bitconvert V128:$lhs))),
1225            V128:$rhs, V128:$lhs)),
1226          (pmin $lhs, $rhs)>;
1227def : Pat<(vec.int_vt (vselect
1228            (setolt (vec.vt (bitconvert V128:$lhs)),
1229                    (vec.vt (bitconvert V128:$rhs))),
1230            V128:$rhs, V128:$lhs)),
1231          (pmax $lhs, $rhs)>;
1232}
1233
1234// And match the pmin/pmax LLVM intrinsics as well
1235def : Pat<(v4f32 (int_wasm_pmin (v4f32 V128:$lhs), (v4f32 V128:$rhs))),
1236          (PMIN_F32x4 V128:$lhs, V128:$rhs)>;
1237def : Pat<(v4f32 (int_wasm_pmax (v4f32 V128:$lhs), (v4f32 V128:$rhs))),
1238          (PMAX_F32x4 V128:$lhs, V128:$rhs)>;
1239def : Pat<(v2f64 (int_wasm_pmin (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
1240          (PMIN_F64x2 V128:$lhs, V128:$rhs)>;
1241def : Pat<(v2f64 (int_wasm_pmax (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
1242          (PMAX_F64x2 V128:$lhs, V128:$rhs)>;
1243
1244//===----------------------------------------------------------------------===//
1245// Conversions
1246//===----------------------------------------------------------------------===//
1247
1248multiclass SIMDConvert<Vec vec, Vec arg, SDPatternOperator op, string name,
1249                       bits<32> simdop> {
1250  defm op#_#vec :
1251    SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
1252           [(set (vec.vt V128:$dst), (vec.vt (op (arg.vt V128:$vec))))],
1253           vec.prefix#"."#name#"\t$dst, $vec", vec.prefix#"."#name, simdop>;
1254}
1255
1256// Floating point to integer with saturation: trunc_sat
1257defm "" : SIMDConvert<I32x4, F32x4, fp_to_sint, "trunc_sat_f32x4_s", 248>;
1258defm "" : SIMDConvert<I32x4, F32x4, fp_to_uint, "trunc_sat_f32x4_u", 249>;
1259
1260// Support the saturating variety as well.
1261def trunc_s_sat32 : PatFrag<(ops node:$x), (fp_to_sint_sat $x, i32)>;
1262def trunc_u_sat32 : PatFrag<(ops node:$x), (fp_to_uint_sat $x, i32)>;
1263def : Pat<(v4i32 (trunc_s_sat32 (v4f32 V128:$src))), (fp_to_sint_I32x4 $src)>;
1264def : Pat<(v4i32 (trunc_u_sat32 (v4f32 V128:$src))), (fp_to_uint_I32x4 $src)>;
1265
1266def trunc_sat_zero_t : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
1267def trunc_sat_zero_s :
1268  SDNode<"WebAssemblyISD::TRUNC_SAT_ZERO_S", trunc_sat_zero_t>;
1269def trunc_sat_zero_u :
1270  SDNode<"WebAssemblyISD::TRUNC_SAT_ZERO_U", trunc_sat_zero_t>;
1271defm "" : SIMDConvert<I32x4, F64x2, trunc_sat_zero_s, "trunc_sat_f64x2_s_zero",
1272                      0xfc>;
1273defm "" : SIMDConvert<I32x4, F64x2, trunc_sat_zero_u, "trunc_sat_f64x2_u_zero",
1274                      0xfd>;
1275
1276// Integer to floating point: convert
1277def convert_low_t : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
1278def convert_low_s : SDNode<"WebAssemblyISD::CONVERT_LOW_S", convert_low_t>;
1279def convert_low_u : SDNode<"WebAssemblyISD::CONVERT_LOW_U", convert_low_t>;
1280defm "" : SIMDConvert<F32x4, I32x4, sint_to_fp, "convert_i32x4_s", 250>;
1281defm "" : SIMDConvert<F32x4, I32x4, uint_to_fp, "convert_i32x4_u", 251>;
1282defm "" : SIMDConvert<F64x2, I32x4, convert_low_s, "convert_low_i32x4_s", 0xfe>;
1283defm "" : SIMDConvert<F64x2, I32x4, convert_low_u, "convert_low_i32x4_u", 0xff>;
1284
1285// Extending operations
1286// TODO: refactor this to be uniform for i64x2 if the numbering is not changed.
1287multiclass SIMDExtend<Vec vec, bits<32> baseInst> {
1288  defm "" : SIMDConvert<vec, vec.split, extend_low_s,
1289                        "extend_low_"#vec.split.prefix#"_s", baseInst>;
1290  defm "" : SIMDConvert<vec, vec.split, extend_high_s,
1291                        "extend_high_"#vec.split.prefix#"_s", !add(baseInst, 1)>;
1292  defm "" : SIMDConvert<vec, vec.split, extend_low_u,
1293                        "extend_low_"#vec.split.prefix#"_u", !add(baseInst, 2)>;
1294  defm "" : SIMDConvert<vec, vec.split, extend_high_u,
1295                        "extend_high_"#vec.split.prefix#"_u", !add(baseInst, 3)>;
1296}
1297
1298defm "" : SIMDExtend<I16x8, 0x87>;
1299defm "" : SIMDExtend<I32x4, 0xa7>;
1300defm "" : SIMDExtend<I64x2, 0xc7>;
1301
1302// Narrowing operations
1303multiclass SIMDNarrow<Vec vec, bits<32> baseInst> {
1304  defvar name = vec.split.prefix#".narrow_"#vec.prefix;
1305  defm NARROW_S_#vec.split :
1306    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
1307           [(set (vec.split.vt V128:$dst), (vec.split.vt (int_wasm_narrow_signed
1308             (vec.vt V128:$low), (vec.vt V128:$high))))],
1309           name#"_s\t$dst, $low, $high", name#"_s", baseInst>;
1310  defm NARROW_U_#vec.split :
1311    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
1312           [(set (vec.split.vt V128:$dst), (vec.split.vt (int_wasm_narrow_unsigned
1313             (vec.vt V128:$low), (vec.vt V128:$high))))],
1314           name#"_u\t$dst, $low, $high", name#"_u", !add(baseInst, 1)>;
1315}
1316
1317defm "" : SIMDNarrow<I16x8, 101>;
1318defm "" : SIMDNarrow<I32x4, 133>;
1319
1320// WebAssemblyISD::NARROW_U
1321def wasm_narrow_t : SDTypeProfile<1, 2, []>;
1322def wasm_narrow_u : SDNode<"WebAssemblyISD::NARROW_U", wasm_narrow_t>;
1323def : Pat<(v16i8 (wasm_narrow_u (v8i16 V128:$left), (v8i16 V128:$right))),
1324          (NARROW_U_I8x16 $left, $right)>;
1325def : Pat<(v8i16 (wasm_narrow_u (v4i32 V128:$left), (v4i32 V128:$right))),
1326          (NARROW_U_I16x8 $left, $right)>;
1327
1328// Bitcasts are nops
1329// Matching bitcast t1 to t1 causes strange errors, so avoid repeating types
1330foreach t1 = AllVecs in
1331foreach t2 = AllVecs in
1332if !ne(t1, t2) then
1333def : Pat<(t1.vt (bitconvert (t2.vt V128:$v))), (t1.vt V128:$v)>;
1334
1335// Extended pairwise addition
1336defm "" : SIMDConvert<I16x8, I8x16, int_wasm_extadd_pairwise_signed,
1337                      "extadd_pairwise_i8x16_s", 0x7c>;
1338defm "" : SIMDConvert<I16x8, I8x16, int_wasm_extadd_pairwise_unsigned,
1339                      "extadd_pairwise_i8x16_u", 0x7d>;
1340defm "" : SIMDConvert<I32x4, I16x8, int_wasm_extadd_pairwise_signed,
1341                      "extadd_pairwise_i16x8_s", 0x7e>;
1342defm "" : SIMDConvert<I32x4, I16x8, int_wasm_extadd_pairwise_unsigned,
1343                      "extadd_pairwise_i16x8_u", 0x7f>;
1344
1345// f64x2 <-> f32x4 conversions
1346def demote_t : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
1347def demote_zero : SDNode<"WebAssemblyISD::DEMOTE_ZERO", demote_t>;
1348defm "" : SIMDConvert<F32x4, F64x2, demote_zero,
1349                      "demote_f64x2_zero", 0x5e>;
1350
1351def promote_t : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
1352def promote_low : SDNode<"WebAssemblyISD::PROMOTE_LOW", promote_t>;
1353defm "" : SIMDConvert<F64x2, F32x4, promote_low, "promote_low_f32x4", 0x5f>;
1354
1355// Lower extending loads to load64_zero + promote_low
1356def extloadv2f32 : PatFrag<(ops node:$ptr), (extload node:$ptr)> {
1357  let MemoryVT = v2f32;
1358}
1359// Adapted from the body of LoadPatNoOffset
1360// TODO: other addressing patterns
1361def : Pat<(v2f64 (extloadv2f32 (i32 I32:$addr))),
1362          (promote_low_F64x2 (LOAD_ZERO_I64x2_A32 0, 0, I32:$addr))>,
1363      Requires<[HasAddr32]>;
1364def : Pat<(v2f64 (extloadv2f32 (i64 I64:$addr))),
1365          (promote_low_F64x2 (LOAD_ZERO_I64x2_A64 0, 0, I64:$addr))>,
1366      Requires<[HasAddr64]>;
1367
1368//===----------------------------------------------------------------------===//
1369// Saturating Rounding Q-Format Multiplication
1370//===----------------------------------------------------------------------===//
1371
1372defm Q15MULR_SAT_S :
1373  SIMDBinary<I16x8, int_wasm_q15mulr_sat_signed, "q15mulr_sat_s", 0x82>;
1374
1375//===----------------------------------------------------------------------===//
1376// Relaxed swizzle
1377//===----------------------------------------------------------------------===//
1378
1379defm RELAXED_SWIZZLE :
1380  RELAXED_I<(outs V128:$dst), (ins V128:$src, V128:$mask), (outs), (ins),
1381         [(set (v16i8 V128:$dst),
1382           (int_wasm_relaxed_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)))],
1383         "i8x16.relaxed_swizzle\t$dst, $src, $mask", "i8x16.relaxed_swizzle", 0x100>;
1384
1385//===----------------------------------------------------------------------===//
1386// Relaxed floating-point to int conversions
1387//===----------------------------------------------------------------------===//
1388
1389multiclass RelaxedConvert<Vec vec, Vec arg, SDPatternOperator op, string name, bits<32> simdop> {
1390  defm op#_#vec :
1391    RELAXED_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
1392              [(set (vec.vt V128:$dst), (vec.vt (op (arg.vt V128:$vec))))],
1393              vec.prefix#"."#name#"\t$dst, $vec", vec.prefix#"."#name, simdop>;
1394}
1395
1396defm "" : RelaxedConvert<I32x4, F32x4, int_wasm_relaxed_trunc_signed,
1397                         "relaxed_trunc_f32x4_s", 0x101>;
1398defm "" : RelaxedConvert<I32x4, F32x4, int_wasm_relaxed_trunc_unsigned,
1399                         "relaxed_trunc_f32x4_u", 0x102>;
1400defm "" : RelaxedConvert<I32x4, F64x2, int_wasm_relaxed_trunc_signed_zero,
1401                         "relaxed_trunc_f64x2_s_zero", 0x103>;
1402defm "" : RelaxedConvert<I32x4, F64x2, int_wasm_relaxed_trunc_unsigned_zero,
1403                         "relaxed_trunc_f64x2_u_zero", 0x104>;
1404
1405//===----------------------------------------------------------------------===//
1406// Relaxed (Negative) Multiply-Add  (madd/nmadd)
1407//===----------------------------------------------------------------------===//
1408
1409multiclass SIMDMADD<Vec vec, bits<32> simdopA, bits<32> simdopS> {
1410  defm MADD_#vec :
1411    RELAXED_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c), (outs), (ins),
1412              [(set (vec.vt V128:$dst), (int_wasm_relaxed_madd
1413                (vec.vt V128:$a), (vec.vt V128:$b), (vec.vt V128:$c)))],
1414              vec.prefix#".relaxed_madd\t$dst, $a, $b, $c",
1415              vec.prefix#".relaxed_madd", simdopA>;
1416  defm NMADD_#vec :
1417    RELAXED_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c), (outs), (ins),
1418              [(set (vec.vt V128:$dst), (int_wasm_relaxed_nmadd
1419                (vec.vt V128:$a), (vec.vt V128:$b), (vec.vt V128:$c)))],
1420              vec.prefix#".relaxed_nmadd\t$dst, $a, $b, $c",
1421              vec.prefix#".relaxed_nmadd", simdopS>;
1422}
1423
1424defm "" : SIMDMADD<F32x4, 0x105, 0x106>;
1425defm "" : SIMDMADD<F64x2, 0x107, 0x108>;
1426
1427//===----------------------------------------------------------------------===//
1428// Laneselect
1429//===----------------------------------------------------------------------===//
1430
1431multiclass SIMDLANESELECT<Vec vec, bits<32> op> {
1432  defm LANESELECT_#vec :
1433    RELAXED_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c), (outs), (ins),
1434              [(set (vec.vt V128:$dst), (int_wasm_relaxed_laneselect
1435                (vec.vt V128:$a), (vec.vt V128:$b), (vec.vt V128:$c)))],
1436              vec.prefix#".relaxed_laneselect\t$dst, $a, $b, $c",
1437              vec.prefix#".relaxed_laneselect", op>;
1438}
1439
1440defm "" : SIMDLANESELECT<I8x16, 0x109>;
1441defm "" : SIMDLANESELECT<I16x8, 0x10a>;
1442defm "" : SIMDLANESELECT<I32x4, 0x10b>;
1443defm "" : SIMDLANESELECT<I64x2, 0x10c>;
1444
1445//===----------------------------------------------------------------------===//
1446// Relaxed floating-point min and max.
1447//===----------------------------------------------------------------------===//
1448
1449multiclass RelaxedBinary<Vec vec, SDPatternOperator node, string name,
1450                         bits<32> simdop> {
1451  defm _#vec : RELAXED_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
1452                         (outs), (ins),
1453                         [(set (vec.vt V128:$dst),
1454                           (node (vec.vt V128:$lhs), (vec.vt V128:$rhs)))],
1455                         vec.prefix#"."#name#"\t$dst, $lhs, $rhs",
1456                         vec.prefix#"."#name, simdop>;
1457}
1458
1459defm SIMD_RELAXED_FMIN :
1460   RelaxedBinary<F32x4, int_wasm_relaxed_min, "relaxed_min", 0x10d>;
1461defm SIMD_RELAXED_FMAX :
1462   RelaxedBinary<F32x4, int_wasm_relaxed_max, "relaxed_max", 0x10e>;
1463defm SIMD_RELAXED_FMIN :
1464   RelaxedBinary<F64x2, int_wasm_relaxed_min, "relaxed_min", 0x10f>;
1465defm SIMD_RELAXED_FMAX :
1466   RelaxedBinary<F64x2, int_wasm_relaxed_max, "relaxed_max", 0x110>;
1467
1468//===----------------------------------------------------------------------===//
1469// Relaxed rounding q15 multiplication
1470//===----------------------------------------------------------------------===//
1471
1472defm RELAXED_Q15MULR_S :
1473  RelaxedBinary<I16x8, int_wasm_relaxed_q15mulr_signed, "relaxed_q15mulr_s",
1474                0x111>;
1475
1476//===----------------------------------------------------------------------===//
1477// Relaxed integer dot product
1478//===----------------------------------------------------------------------===//
1479
1480defm RELAXED_DOT :
1481  RELAXED_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
1482            [(set (v8i16 V128:$dst), (int_wasm_relaxed_dot_i8x16_i7x16_signed
1483               (v16i8 V128:$lhs), (v16i8 V128:$rhs)))],
1484            "i16x8.relaxed_dot_i8x16_i7x16_s\t$dst, $lhs, $rhs",
1485            "i16x8.relaxed_dot_i8x16_i7x16_s", 0x112>;
1486
1487defm RELAXED_DOT_ADD :
1488  RELAXED_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs, V128:$acc),
1489            (outs), (ins),
1490            [(set (v4i32 V128:$dst), (int_wasm_relaxed_dot_i8x16_i7x16_add_signed
1491               (v16i8 V128:$lhs), (v16i8 V128:$rhs), (v4i32 V128:$acc)))],
1492            "i32x4.relaxed_dot_i8x16_i7x16_add_s\t$dst, $lhs, $rhs, $acc",
1493            "i32x4.relaxed_dot_i8x16_i7x16_add_s", 0x113>;
1494
1495//===----------------------------------------------------------------------===//
1496// Relaxed BFloat16 dot product
1497//===----------------------------------------------------------------------===//
1498
1499defm RELAXED_DOT_BFLOAT :
1500  RELAXED_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs, V128:$acc),
1501            (outs), (ins),
1502            [(set (v4f32 V128:$dst), (int_wasm_relaxed_dot_bf16x8_add_f32
1503               (v8i16 V128:$lhs), (v8i16 V128:$rhs), (v4f32 V128:$acc)))],
1504            "f32x4.relaxed_dot_bf16x8_add_f32\t$dst, $lhs, $rhs, $acc",
1505            "f32x4.relaxed_dot_bf16x8_add_f32", 0x114>;
1506