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 requiring HasSIMD128 and the simd128 prefix byte
15multiclass SIMD_I<dag oops_r, dag iops_r, dag oops_s, dag iops_s,
16                  list<dag> pattern_r, string asmstr_r = "",
17                  string asmstr_s = "", bits<32> simdop = -1> {
18  defm "" : I<oops_r, iops_r, oops_s, iops_s, pattern_r, asmstr_r, asmstr_s,
19              !or(0xfd00, !and(0xff, simdop))>,
20            Requires<[HasSIMD128]>;
21}
22
23defm "" : ARGUMENT<V128, v16i8>;
24defm "" : ARGUMENT<V128, v8i16>;
25defm "" : ARGUMENT<V128, v4i32>;
26defm "" : ARGUMENT<V128, v2i64>;
27defm "" : ARGUMENT<V128, v4f32>;
28defm "" : ARGUMENT<V128, v2f64>;
29
30// Constrained immediate argument types
31foreach SIZE = [8, 16] in
32def ImmI#SIZE : ImmLeaf<i32,
33  "return -(1 << ("#SIZE#" - 1)) <= Imm && Imm < (1 << ("#SIZE#" - 1));"
34>;
35foreach SIZE = [2, 4, 8, 16, 32] in
36def LaneIdx#SIZE : ImmLeaf<i32, "return 0 <= Imm && Imm < "#SIZE#";">;
37
38//===----------------------------------------------------------------------===//
39// Load and store
40//===----------------------------------------------------------------------===//
41
42// Load: v128.load
43let mayLoad = 1, UseNamedOperandTable = 1 in
44defm LOAD_V128 :
45  SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
46         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
47         "v128.load\t$dst, ${off}(${addr})$p2align",
48         "v128.load\t$off$p2align", 0>;
49
50// Def load and store patterns from WebAssemblyInstrMemory.td for vector types
51foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
52def : LoadPatNoOffset<vec_t, load, LOAD_V128>;
53def : LoadPatImmOff<vec_t, load, regPlusImm, LOAD_V128>;
54def : LoadPatImmOff<vec_t, load, or_is_add, LOAD_V128>;
55def : LoadPatOffsetOnly<vec_t, load, LOAD_V128>;
56def : LoadPatGlobalAddrOffOnly<vec_t, load, LOAD_V128>;
57}
58
59// vNxM.load_splat
60multiclass SIMDLoadSplat<string vec, bits<32> simdop> {
61  let mayLoad = 1, UseNamedOperandTable = 1,
62      Predicates = [HasUnimplementedSIMD128] in
63  defm LOAD_SPLAT_#vec :
64    SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
65           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
66           vec#".load_splat\t$dst, ${off}(${addr})$p2align",
67           vec#".load_splat\t$off$p2align", simdop>;
68}
69
70defm "" : SIMDLoadSplat<"v8x16", 194>;
71defm "" : SIMDLoadSplat<"v16x8", 195>;
72defm "" : SIMDLoadSplat<"v32x4", 196>;
73defm "" : SIMDLoadSplat<"v64x2", 197>;
74
75def wasm_load_splat_t : SDTypeProfile<1, 1, [SDTCisPtrTy<1>]>;
76def wasm_load_splat : SDNode<"WebAssemblyISD::LOAD_SPLAT", wasm_load_splat_t,
77                             [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
78def load_splat : PatFrag<(ops node:$addr), (wasm_load_splat node:$addr)>;
79
80let Predicates = [HasUnimplementedSIMD128] in
81foreach args = [["v16i8", "v8x16"], ["v8i16", "v16x8"], ["v4i32", "v32x4"],
82                ["v2i64", "v64x2"], ["v4f32", "v32x4"], ["v2f64", "v64x2"]] in {
83def : LoadPatNoOffset<!cast<ValueType>(args[0]),
84                      load_splat,
85                      !cast<NI>("LOAD_SPLAT_"#args[1])>;
86def : LoadPatImmOff<!cast<ValueType>(args[0]),
87                    load_splat,
88                    regPlusImm,
89                    !cast<NI>("LOAD_SPLAT_"#args[1])>;
90def : LoadPatImmOff<!cast<ValueType>(args[0]),
91                    load_splat,
92                    or_is_add,
93                    !cast<NI>("LOAD_SPLAT_"#args[1])>;
94def : LoadPatOffsetOnly<!cast<ValueType>(args[0]),
95                        load_splat,
96                        !cast<NI>("LOAD_SPLAT_"#args[1])>;
97def : LoadPatGlobalAddrOffOnly<!cast<ValueType>(args[0]),
98                               load_splat,
99                               !cast<NI>("LOAD_SPLAT_"#args[1])>;
100}
101
102// Load and extend
103multiclass SIMDLoadExtend<ValueType vec_t, string name, bits<32> simdop> {
104  let mayLoad = 1, UseNamedOperandTable = 1,
105      Predicates = [HasUnimplementedSIMD128] in {
106  defm LOAD_EXTEND_S_#vec_t :
107    SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
108           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
109           name#"_s\t$dst, ${off}(${addr})$p2align",
110           name#"_s\t$off$p2align", simdop>;
111  defm LOAD_EXTEND_U_#vec_t :
112    SIMD_I<(outs V128:$dst), (ins P2Align:$p2align, offset32_op:$off, I32:$addr),
113           (outs), (ins P2Align:$p2align, offset32_op:$off), [],
114           name#"_u\t$dst, ${off}(${addr})$p2align",
115           name#"_u\t$off$p2align", !add(simdop, 1)>;
116  }
117}
118
119defm "" : SIMDLoadExtend<v8i16, "i16x8.load8x8", 210>;
120defm "" : SIMDLoadExtend<v4i32, "i32x4.load16x4", 212>;
121defm "" : SIMDLoadExtend<v2i64, "i64x2.load32x2", 214>;
122
123let Predicates = [HasUnimplementedSIMD128] in
124foreach types = [[v8i16, i8], [v4i32, i16], [v2i64, i32]] in
125foreach exts = [["sextloadv", "_S"],
126                ["zextloadv", "_U"],
127                ["extloadv", "_U"]] in {
128def : LoadPatNoOffset<types[0], !cast<PatFrag>(exts[0]#types[1]),
129                      !cast<NI>("LOAD_EXTEND"#exts[1]#"_"#types[0])>;
130def : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), regPlusImm,
131                    !cast<NI>("LOAD_EXTEND"#exts[1]#"_"#types[0])>;
132def : LoadPatImmOff<types[0], !cast<PatFrag>(exts[0]#types[1]), or_is_add,
133                    !cast<NI>("LOAD_EXTEND"#exts[1]#"_"#types[0])>;
134def : LoadPatOffsetOnly<types[0], !cast<PatFrag>(exts[0]#types[1]),
135                        !cast<NI>("LOAD_EXTEND"#exts[1]#"_"#types[0])>;
136def : LoadPatGlobalAddrOffOnly<types[0], !cast<PatFrag>(exts[0]#types[1]),
137                               !cast<NI>("LOAD_EXTEND"#exts[1]#"_"#types[0])>;
138}
139
140
141// Store: v128.store
142let mayStore = 1, UseNamedOperandTable = 1 in
143defm STORE_V128 :
144  SIMD_I<(outs), (ins P2Align:$p2align, offset32_op:$off, I32:$addr, V128:$vec),
145         (outs), (ins P2Align:$p2align, offset32_op:$off), [],
146         "v128.store\t${off}(${addr})$p2align, $vec",
147         "v128.store\t$off$p2align", 1>;
148
149foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
150// Def load and store patterns from WebAssemblyInstrMemory.td for vector types
151def : StorePatNoOffset<vec_t, store, STORE_V128>;
152def : StorePatImmOff<vec_t, store, regPlusImm, STORE_V128>;
153def : StorePatImmOff<vec_t, store, or_is_add, STORE_V128>;
154def : StorePatOffsetOnly<vec_t, store, STORE_V128>;
155def : StorePatGlobalAddrOffOnly<vec_t, store, STORE_V128>;
156}
157
158//===----------------------------------------------------------------------===//
159// Constructing SIMD values
160//===----------------------------------------------------------------------===//
161
162// Constant: v128.const
163multiclass ConstVec<ValueType vec_t, dag ops, dag pat, string args> {
164  let isMoveImm = 1, isReMaterializable = 1,
165      Predicates = [HasUnimplementedSIMD128] in
166  defm CONST_V128_#vec_t : SIMD_I<(outs V128:$dst), ops, (outs), ops,
167                                  [(set V128:$dst, (vec_t pat))],
168                                  "v128.const\t$dst, "#args,
169                                  "v128.const\t"#args, 2>;
170}
171
172defm "" : ConstVec<v16i8,
173                   (ins vec_i8imm_op:$i0, vec_i8imm_op:$i1,
174                        vec_i8imm_op:$i2, vec_i8imm_op:$i3,
175                        vec_i8imm_op:$i4, vec_i8imm_op:$i5,
176                        vec_i8imm_op:$i6, vec_i8imm_op:$i7,
177                        vec_i8imm_op:$i8, vec_i8imm_op:$i9,
178                        vec_i8imm_op:$iA, vec_i8imm_op:$iB,
179                        vec_i8imm_op:$iC, vec_i8imm_op:$iD,
180                        vec_i8imm_op:$iE, vec_i8imm_op:$iF),
181                   (build_vector ImmI8:$i0, ImmI8:$i1, ImmI8:$i2, ImmI8:$i3,
182                                 ImmI8:$i4, ImmI8:$i5, ImmI8:$i6, ImmI8:$i7,
183                                 ImmI8:$i8, ImmI8:$i9, ImmI8:$iA, ImmI8:$iB,
184                                 ImmI8:$iC, ImmI8:$iD, ImmI8:$iE, ImmI8:$iF),
185                   !strconcat("$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7, ",
186                              "$i8, $i9, $iA, $iB, $iC, $iD, $iE, $iF")>;
187defm "" : ConstVec<v8i16,
188                   (ins vec_i16imm_op:$i0, vec_i16imm_op:$i1,
189                        vec_i16imm_op:$i2, vec_i16imm_op:$i3,
190                        vec_i16imm_op:$i4, vec_i16imm_op:$i5,
191                        vec_i16imm_op:$i6, vec_i16imm_op:$i7),
192                   (build_vector
193                     ImmI16:$i0, ImmI16:$i1, ImmI16:$i2, ImmI16:$i3,
194                     ImmI16:$i4, ImmI16:$i5, ImmI16:$i6, ImmI16:$i7),
195                   "$i0, $i1, $i2, $i3, $i4, $i5, $i6, $i7">;
196let IsCanonical = 1 in
197defm "" : ConstVec<v4i32,
198                   (ins vec_i32imm_op:$i0, vec_i32imm_op:$i1,
199                        vec_i32imm_op:$i2, vec_i32imm_op:$i3),
200                   (build_vector (i32 imm:$i0), (i32 imm:$i1),
201                                 (i32 imm:$i2), (i32 imm:$i3)),
202                   "$i0, $i1, $i2, $i3">;
203defm "" : ConstVec<v2i64,
204                   (ins vec_i64imm_op:$i0, vec_i64imm_op:$i1),
205                   (build_vector (i64 imm:$i0), (i64 imm:$i1)),
206                   "$i0, $i1">;
207defm "" : ConstVec<v4f32,
208                   (ins f32imm_op:$i0, f32imm_op:$i1,
209                        f32imm_op:$i2, f32imm_op:$i3),
210                   (build_vector (f32 fpimm:$i0), (f32 fpimm:$i1),
211                                 (f32 fpimm:$i2), (f32 fpimm:$i3)),
212                   "$i0, $i1, $i2, $i3">;
213defm "" : ConstVec<v2f64,
214                  (ins f64imm_op:$i0, f64imm_op:$i1),
215                  (build_vector (f64 fpimm:$i0), (f64 fpimm:$i1)),
216                  "$i0, $i1">;
217
218// Shuffle lanes: shuffle
219defm SHUFFLE :
220  SIMD_I<(outs V128:$dst),
221         (ins V128:$x, V128:$y,
222           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
223           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
224           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
225           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
226           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
227           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
228           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
229           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
230         (outs),
231         (ins
232           vec_i8imm_op:$m0, vec_i8imm_op:$m1,
233           vec_i8imm_op:$m2, vec_i8imm_op:$m3,
234           vec_i8imm_op:$m4, vec_i8imm_op:$m5,
235           vec_i8imm_op:$m6, vec_i8imm_op:$m7,
236           vec_i8imm_op:$m8, vec_i8imm_op:$m9,
237           vec_i8imm_op:$mA, vec_i8imm_op:$mB,
238           vec_i8imm_op:$mC, vec_i8imm_op:$mD,
239           vec_i8imm_op:$mE, vec_i8imm_op:$mF),
240         [],
241         "v8x16.shuffle\t$dst, $x, $y, "#
242           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
243           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
244         "v8x16.shuffle\t"#
245           "$m0, $m1, $m2, $m3, $m4, $m5, $m6, $m7, "#
246           "$m8, $m9, $mA, $mB, $mC, $mD, $mE, $mF",
247         3>;
248
249// Shuffles after custom lowering
250def wasm_shuffle_t : SDTypeProfile<1, 18, []>;
251def wasm_shuffle : SDNode<"WebAssemblyISD::SHUFFLE", wasm_shuffle_t>;
252foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in {
253def : Pat<(vec_t (wasm_shuffle (vec_t V128:$x), (vec_t V128:$y),
254            (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1),
255            (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3),
256            (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5),
257            (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7),
258            (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9),
259            (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB),
260            (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD),
261            (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF))),
262          (vec_t (SHUFFLE (vec_t V128:$x), (vec_t V128:$y),
263            (i32 LaneIdx32:$m0), (i32 LaneIdx32:$m1),
264            (i32 LaneIdx32:$m2), (i32 LaneIdx32:$m3),
265            (i32 LaneIdx32:$m4), (i32 LaneIdx32:$m5),
266            (i32 LaneIdx32:$m6), (i32 LaneIdx32:$m7),
267            (i32 LaneIdx32:$m8), (i32 LaneIdx32:$m9),
268            (i32 LaneIdx32:$mA), (i32 LaneIdx32:$mB),
269            (i32 LaneIdx32:$mC), (i32 LaneIdx32:$mD),
270            (i32 LaneIdx32:$mE), (i32 LaneIdx32:$mF)))>;
271}
272
273// Swizzle lanes: v8x16.swizzle
274def wasm_swizzle_t : SDTypeProfile<1, 2, []>;
275def wasm_swizzle : SDNode<"WebAssemblyISD::SWIZZLE", wasm_swizzle_t>;
276let Predicates = [HasUnimplementedSIMD128] in
277defm SWIZZLE :
278  SIMD_I<(outs V128:$dst), (ins V128:$src, V128:$mask), (outs), (ins),
279         [(set (v16i8 V128:$dst),
280           (wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)))],
281         "v8x16.swizzle\t$dst, $src, $mask", "v8x16.swizzle", 192>;
282
283def : Pat<(int_wasm_swizzle (v16i8 V128:$src), (v16i8 V128:$mask)),
284          (SWIZZLE V128:$src, V128:$mask)>;
285
286// Create vector with identical lanes: splat
287def splat2 : PatFrag<(ops node:$x), (build_vector node:$x, node:$x)>;
288def splat4 : PatFrag<(ops node:$x), (build_vector
289                       node:$x, node:$x, node:$x, node:$x)>;
290def splat8 : PatFrag<(ops node:$x), (build_vector
291                       node:$x, node:$x, node:$x, node:$x,
292                       node:$x, node:$x, node:$x, node:$x)>;
293def splat16 : PatFrag<(ops node:$x), (build_vector
294                        node:$x, node:$x, node:$x, node:$x,
295                        node:$x, node:$x, node:$x, node:$x,
296                        node:$x, node:$x, node:$x, node:$x,
297                        node:$x, node:$x, node:$x, node:$x)>;
298
299multiclass Splat<ValueType vec_t, string vec, WebAssemblyRegClass reg_t,
300                 PatFrag splat_pat, bits<32> simdop> {
301  // Prefer splats over v128.const for const splats (65 is lowest that works)
302  let AddedComplexity = 65 in
303  defm SPLAT_#vec_t : SIMD_I<(outs V128:$dst), (ins reg_t:$x), (outs), (ins),
304                             [(set (vec_t V128:$dst), (splat_pat reg_t:$x))],
305                             vec#".splat\t$dst, $x", vec#".splat", simdop>;
306}
307
308defm "" : Splat<v16i8, "i8x16", I32, splat16, 4>;
309defm "" : Splat<v8i16, "i16x8", I32, splat8, 8>;
310defm "" : Splat<v4i32, "i32x4", I32, splat4, 12>;
311defm "" : Splat<v2i64, "i64x2", I64, splat2, 15>;
312defm "" : Splat<v4f32, "f32x4", F32, splat4, 18>;
313defm "" : Splat<v2f64, "f64x2", F64, splat2, 21>;
314
315// scalar_to_vector leaves high lanes undefined, so can be a splat
316class ScalarSplatPat<ValueType vec_t, ValueType lane_t,
317                     WebAssemblyRegClass reg_t> :
318  Pat<(vec_t (scalar_to_vector (lane_t reg_t:$x))),
319      (!cast<Instruction>("SPLAT_"#vec_t) reg_t:$x)>;
320
321def : ScalarSplatPat<v16i8, i32, I32>;
322def : ScalarSplatPat<v8i16, i32, I32>;
323def : ScalarSplatPat<v4i32, i32, I32>;
324def : ScalarSplatPat<v2i64, i64, I64>;
325def : ScalarSplatPat<v4f32, f32, F32>;
326def : ScalarSplatPat<v2f64, f64, F64>;
327
328//===----------------------------------------------------------------------===//
329// Accessing lanes
330//===----------------------------------------------------------------------===//
331
332// Extract lane as a scalar: extract_lane / extract_lane_s / extract_lane_u
333multiclass ExtractLane<ValueType vec_t, string vec, WebAssemblyRegClass reg_t,
334                       bits<32> simdop, string suffix = ""> {
335  defm EXTRACT_LANE_#vec_t#suffix :
336      SIMD_I<(outs reg_t:$dst), (ins V128:$vec, vec_i8imm_op:$idx),
337             (outs), (ins vec_i8imm_op:$idx), [],
338             vec#".extract_lane"#suffix#"\t$dst, $vec, $idx",
339             vec#".extract_lane"#suffix#"\t$idx", simdop>;
340}
341
342defm "" : ExtractLane<v16i8, "i8x16", I32, 5, "_s">;
343defm "" : ExtractLane<v16i8, "i8x16", I32, 6, "_u">;
344defm "" : ExtractLane<v8i16, "i16x8", I32, 9, "_s">;
345defm "" : ExtractLane<v8i16, "i16x8", I32, 10, "_u">;
346defm "" : ExtractLane<v4i32, "i32x4", I32, 13>;
347defm "" : ExtractLane<v2i64, "i64x2", I64, 16>;
348defm "" : ExtractLane<v4f32, "f32x4", F32, 19>;
349defm "" : ExtractLane<v2f64, "f64x2", F64, 22>;
350
351def : Pat<(vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)),
352          (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>;
353def : Pat<(vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)),
354          (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>;
355def : Pat<(vector_extract (v4i32 V128:$vec), (i32 LaneIdx4:$idx)),
356          (EXTRACT_LANE_v4i32 V128:$vec, imm:$idx)>;
357def : Pat<(vector_extract (v4f32 V128:$vec), (i32 LaneIdx4:$idx)),
358          (EXTRACT_LANE_v4f32 V128:$vec, imm:$idx)>;
359def : Pat<(vector_extract (v2i64 V128:$vec), (i32 LaneIdx2:$idx)),
360          (EXTRACT_LANE_v2i64 V128:$vec, imm:$idx)>;
361def : Pat<(vector_extract (v2f64 V128:$vec), (i32 LaneIdx2:$idx)),
362          (EXTRACT_LANE_v2f64 V128:$vec, imm:$idx)>;
363
364def : Pat<
365  (sext_inreg (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), i8),
366  (EXTRACT_LANE_v16i8_s V128:$vec, imm:$idx)>;
367def : Pat<
368  (and (vector_extract (v16i8 V128:$vec), (i32 LaneIdx16:$idx)), (i32 0xff)),
369  (EXTRACT_LANE_v16i8_u V128:$vec, imm:$idx)>;
370def : Pat<
371  (sext_inreg (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), i16),
372  (EXTRACT_LANE_v8i16_s V128:$vec, imm:$idx)>;
373def : Pat<
374  (and (vector_extract (v8i16 V128:$vec), (i32 LaneIdx8:$idx)), (i32 0xffff)),
375  (EXTRACT_LANE_v8i16_u V128:$vec, imm:$idx)>;
376
377// Replace lane value: replace_lane
378multiclass ReplaceLane<ValueType vec_t, string vec, ImmLeaf imm_t,
379                       WebAssemblyRegClass reg_t, ValueType lane_t,
380                       bits<32> simdop> {
381  defm REPLACE_LANE_#vec_t :
382      SIMD_I<(outs V128:$dst), (ins V128:$vec, vec_i8imm_op:$idx, reg_t:$x),
383             (outs), (ins vec_i8imm_op:$idx),
384             [(set V128:$dst, (vector_insert
385               (vec_t V128:$vec), (lane_t reg_t:$x), (i32 imm_t:$idx)))],
386             vec#".replace_lane\t$dst, $vec, $idx, $x",
387             vec#".replace_lane\t$idx", simdop>;
388}
389
390defm "" : ReplaceLane<v16i8, "i8x16", LaneIdx16, I32, i32, 7>;
391defm "" : ReplaceLane<v8i16, "i16x8", LaneIdx8, I32, i32, 11>;
392defm "" : ReplaceLane<v4i32, "i32x4", LaneIdx4, I32, i32, 14>;
393defm "" : ReplaceLane<v2i64, "i64x2", LaneIdx2, I64, i64, 17>;
394defm "" : ReplaceLane<v4f32, "f32x4", LaneIdx4, F32, f32, 20>;
395defm "" : ReplaceLane<v2f64, "f64x2", LaneIdx2, F64, f64, 23>;
396
397// Lower undef lane indices to zero
398def : Pat<(vector_insert (v16i8 V128:$vec), I32:$x, undef),
399          (REPLACE_LANE_v16i8 V128:$vec, 0, I32:$x)>;
400def : Pat<(vector_insert (v8i16 V128:$vec), I32:$x, undef),
401          (REPLACE_LANE_v8i16 V128:$vec, 0, I32:$x)>;
402def : Pat<(vector_insert (v4i32 V128:$vec), I32:$x, undef),
403          (REPLACE_LANE_v4i32 V128:$vec, 0, I32:$x)>;
404def : Pat<(vector_insert (v2i64 V128:$vec), I64:$x, undef),
405          (REPLACE_LANE_v2i64 V128:$vec, 0, I64:$x)>;
406def : Pat<(vector_insert (v4f32 V128:$vec), F32:$x, undef),
407          (REPLACE_LANE_v4f32 V128:$vec, 0, F32:$x)>;
408def : Pat<(vector_insert (v2f64 V128:$vec), F64:$x, undef),
409          (REPLACE_LANE_v2f64 V128:$vec, 0, F64:$x)>;
410
411//===----------------------------------------------------------------------===//
412// Comparisons
413//===----------------------------------------------------------------------===//
414
415multiclass SIMDCondition<ValueType vec_t, ValueType out_t, string vec,
416                         string name, CondCode cond, bits<32> simdop> {
417  defm _#vec_t :
418    SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
419           [(set (out_t V128:$dst),
420             (setcc (vec_t V128:$lhs), (vec_t V128:$rhs), cond)
421           )],
422           vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name, simdop>;
423}
424
425multiclass SIMDConditionInt<string name, CondCode cond, bits<32> baseInst> {
426  defm "" : SIMDCondition<v16i8, v16i8, "i8x16", name, cond, baseInst>;
427  defm "" : SIMDCondition<v8i16, v8i16, "i16x8", name, cond,
428                          !add(baseInst, 10)>;
429  defm "" : SIMDCondition<v4i32, v4i32, "i32x4", name, cond,
430                          !add(baseInst, 20)>;
431}
432
433multiclass SIMDConditionFP<string name, CondCode cond, bits<32> baseInst> {
434  defm "" : SIMDCondition<v4f32, v4i32, "f32x4", name, cond, baseInst>;
435  defm "" : SIMDCondition<v2f64, v2i64, "f64x2", name, cond,
436                          !add(baseInst, 6)>;
437}
438
439// Equality: eq
440let isCommutable = 1 in {
441defm EQ : SIMDConditionInt<"eq", SETEQ, 24>;
442defm EQ : SIMDConditionFP<"eq", SETOEQ, 64>;
443} // isCommutable = 1
444
445// Non-equality: ne
446let isCommutable = 1 in {
447defm NE : SIMDConditionInt<"ne", SETNE, 25>;
448defm NE : SIMDConditionFP<"ne", SETUNE, 65>;
449} // isCommutable = 1
450
451// Less than: lt_s / lt_u / lt
452defm LT_S : SIMDConditionInt<"lt_s", SETLT, 26>;
453defm LT_U : SIMDConditionInt<"lt_u", SETULT, 27>;
454defm LT : SIMDConditionFP<"lt", SETOLT, 66>;
455
456// Greater than: gt_s / gt_u / gt
457defm GT_S : SIMDConditionInt<"gt_s", SETGT, 28>;
458defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 29>;
459defm GT : SIMDConditionFP<"gt", SETOGT, 67>;
460
461// Less than or equal: le_s / le_u / le
462defm LE_S : SIMDConditionInt<"le_s", SETLE, 30>;
463defm LE_U : SIMDConditionInt<"le_u", SETULE, 31>;
464defm LE : SIMDConditionFP<"le", SETOLE, 68>;
465
466// Greater than or equal: ge_s / ge_u / ge
467defm GE_S : SIMDConditionInt<"ge_s", SETGE, 32>;
468defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 33>;
469defm GE : SIMDConditionFP<"ge", SETOGE, 69>;
470
471// Lower float comparisons that don't care about NaN to standard WebAssembly
472// float comparisons. These instructions are generated with nnan and in the
473// target-independent expansion of unordered comparisons and ordered ne.
474foreach nodes = [[seteq, EQ_v4f32], [setne, NE_v4f32], [setlt, LT_v4f32],
475                 [setgt, GT_v4f32], [setle, LE_v4f32], [setge, GE_v4f32]] in
476def : Pat<(v4i32 (nodes[0] (v4f32 V128:$lhs), (v4f32 V128:$rhs))),
477          (v4i32 (nodes[1] (v4f32 V128:$lhs), (v4f32 V128:$rhs)))>;
478
479foreach nodes = [[seteq, EQ_v2f64], [setne, NE_v2f64], [setlt, LT_v2f64],
480                 [setgt, GT_v2f64], [setle, LE_v2f64], [setge, GE_v2f64]] in
481def : Pat<(v2i64 (nodes[0] (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
482          (v2i64 (nodes[1] (v2f64 V128:$lhs), (v2f64 V128:$rhs)))>;
483
484
485//===----------------------------------------------------------------------===//
486// Bitwise operations
487//===----------------------------------------------------------------------===//
488
489multiclass SIMDBinary<ValueType vec_t, string vec, SDNode node, string name,
490                      bits<32> simdop> {
491  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs),
492                        (outs), (ins),
493                        [(set (vec_t V128:$dst),
494                          (node (vec_t V128:$lhs), (vec_t V128:$rhs))
495                        )],
496                        vec#"."#name#"\t$dst, $lhs, $rhs", vec#"."#name,
497                        simdop>;
498}
499
500multiclass SIMDBitwise<SDNode node, string name, bits<32> simdop> {
501  defm "" : SIMDBinary<v16i8, "v128", node, name, simdop>;
502  defm "" : SIMDBinary<v8i16, "v128", node, name, simdop>;
503  defm "" : SIMDBinary<v4i32, "v128", node, name, simdop>;
504  defm "" : SIMDBinary<v2i64, "v128", node, name, simdop>;
505}
506
507multiclass SIMDUnary<ValueType vec_t, string vec, SDNode node, string name,
508                     bits<32> simdop> {
509  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
510                        [(set (vec_t V128:$dst),
511                          (vec_t (node (vec_t V128:$vec)))
512                        )],
513                        vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>;
514}
515
516// Bitwise logic: v128.not
517foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in
518defm NOT: SIMDUnary<vec_t, "v128", vnot, "not", 76>;
519
520// Bitwise logic: v128.and / v128.or / v128.xor
521let isCommutable = 1 in {
522defm AND : SIMDBitwise<and, "and", 77>;
523defm OR : SIMDBitwise<or, "or", 78>;
524defm XOR : SIMDBitwise<xor, "xor", 79>;
525} // isCommutable = 1
526
527// Bitwise logic: v128.andnot
528def andnot : PatFrag<(ops node:$left, node:$right), (and $left, (vnot $right))>;
529let Predicates = [HasUnimplementedSIMD128] in
530defm ANDNOT : SIMDBitwise<andnot, "andnot", 216>;
531
532// Bitwise select: v128.bitselect
533foreach vec_t = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in
534  defm BITSELECT_#vec_t :
535    SIMD_I<(outs V128:$dst), (ins V128:$v1, V128:$v2, V128:$c), (outs), (ins),
536           [(set (vec_t V128:$dst),
537             (vec_t (int_wasm_bitselect
538               (vec_t V128:$v1), (vec_t V128:$v2), (vec_t V128:$c)
539             ))
540           )],
541           "v128.bitselect\t$dst, $v1, $v2, $c", "v128.bitselect", 80>;
542
543// Bitselect is equivalent to (c & v1) | (~c & v2)
544foreach vec_t = [v16i8, v8i16, v4i32, v2i64] in
545  def : Pat<(vec_t (or (and (vec_t V128:$c), (vec_t V128:$v1)),
546              (and (vnot V128:$c), (vec_t V128:$v2)))),
547            (!cast<Instruction>("BITSELECT_"#vec_t)
548              V128:$v1, V128:$v2, V128:$c)>;
549
550//===----------------------------------------------------------------------===//
551// Integer unary arithmetic
552//===----------------------------------------------------------------------===//
553
554multiclass SIMDUnaryInt<SDNode node, string name, bits<32> baseInst> {
555  defm "" : SIMDUnary<v16i8, "i8x16", node, name, baseInst>;
556  defm "" : SIMDUnary<v8i16, "i16x8", node, name, !add(baseInst, 17)>;
557  defm "" : SIMDUnary<v4i32, "i32x4", node, name, !add(baseInst, 34)>;
558  defm "" : SIMDUnary<v2i64, "i64x2", node, name, !add(baseInst, 51)>;
559}
560
561multiclass SIMDReduceVec<ValueType vec_t, string vec, SDNode op, string name,
562                         bits<32> simdop> {
563  defm _#vec_t : SIMD_I<(outs I32:$dst), (ins V128:$vec), (outs), (ins),
564                        [(set I32:$dst, (i32 (op (vec_t V128:$vec))))],
565                        vec#"."#name#"\t$dst, $vec", vec#"."#name, simdop>;
566}
567
568multiclass SIMDReduce<SDNode op, string name, bits<32> baseInst> {
569  defm "" : SIMDReduceVec<v16i8, "i8x16", op, name, baseInst>;
570  defm "" : SIMDReduceVec<v8i16, "i16x8", op, name, !add(baseInst, 17)>;
571  defm "" : SIMDReduceVec<v4i32, "i32x4", op, name, !add(baseInst, 34)>;
572  defm "" : SIMDReduceVec<v2i64, "i64x2", op, name, !add(baseInst, 51)>;
573}
574
575// Integer vector negation
576def ivneg : PatFrag<(ops node:$in), (sub immAllZerosV, node:$in)>;
577
578// Integer negation: neg
579defm NEG : SIMDUnaryInt<ivneg, "neg", 81>;
580
581// Any lane true: any_true
582defm ANYTRUE : SIMDReduce<int_wasm_anytrue, "any_true", 82>;
583
584// All lanes true: all_true
585defm ALLTRUE : SIMDReduce<int_wasm_alltrue, "all_true", 83>;
586
587// Reductions already return 0 or 1, so and 1, setne 0, and seteq 1
588// can be folded out
589foreach reduction =
590  [["int_wasm_anytrue", "ANYTRUE"], ["int_wasm_alltrue", "ALLTRUE"]] in
591foreach ty = [v16i8, v8i16, v4i32, v2i64] in {
592def : Pat<(i32 (and
593            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
594            (i32 1)
595          )),
596          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
597def : Pat<(i32 (setne
598            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
599            (i32 0)
600          )),
601          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
602def : Pat<(i32 (seteq
603            (i32 (!cast<Intrinsic>(reduction[0]) (ty V128:$x))),
604            (i32 1)
605          )),
606          (i32 (!cast<NI>(reduction[1]#"_"#ty) (ty V128:$x)))>;
607}
608
609//===----------------------------------------------------------------------===//
610// Bit shifts
611//===----------------------------------------------------------------------===//
612
613multiclass SIMDShift<ValueType vec_t, string vec, SDNode node, dag shift_vec,
614                     string name, bits<32> simdop> {
615  defm _#vec_t : SIMD_I<(outs V128:$dst), (ins V128:$vec, I32:$x),
616                        (outs), (ins),
617                        [(set (vec_t V128:$dst),
618                          (node V128:$vec, (vec_t shift_vec)))],
619                        vec#"."#name#"\t$dst, $vec, $x", vec#"."#name, simdop>;
620}
621
622multiclass SIMDShiftInt<SDNode node, string name, bits<32> baseInst> {
623  defm "" : SIMDShift<v16i8, "i8x16", node, (splat16 I32:$x), name, baseInst>;
624  defm "" : SIMDShift<v8i16, "i16x8", node, (splat8 I32:$x), name,
625                      !add(baseInst, 17)>;
626  defm "" : SIMDShift<v4i32, "i32x4", node, (splat4 I32:$x), name,
627                      !add(baseInst, 34)>;
628  defm "" : SIMDShift<v2i64, "i64x2", node, (splat2 (i64 (zext I32:$x))),
629                      name, !add(baseInst, 51)>;
630}
631
632// Left shift by scalar: shl
633defm SHL : SIMDShiftInt<shl, "shl", 84>;
634
635// Right shift by scalar: shr_s / shr_u
636defm SHR_S : SIMDShiftInt<sra, "shr_s", 85>;
637defm SHR_U : SIMDShiftInt<srl, "shr_u", 86>;
638
639// Truncate i64 shift operands to i32s, except if they are already i32s
640foreach shifts = [[shl, SHL_v2i64], [sra, SHR_S_v2i64], [srl, SHR_U_v2i64]] in {
641def : Pat<(v2i64 (shifts[0]
642            (v2i64 V128:$vec),
643            (v2i64 (splat2 (i64 (sext I32:$x))))
644          )),
645          (v2i64 (shifts[1] (v2i64 V128:$vec), (i32 I32:$x)))>;
646def : Pat<(v2i64 (shifts[0] (v2i64 V128:$vec), (v2i64 (splat2 I64:$x)))),
647          (v2i64 (shifts[1] (v2i64 V128:$vec), (I32_WRAP_I64 I64:$x)))>;
648}
649
650// 2xi64 shifts with constant shift amounts are custom lowered to avoid wrapping
651def wasm_shift_t : SDTypeProfile<1, 2,
652  [SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisVT<2, i32>]
653>;
654def wasm_shl : SDNode<"WebAssemblyISD::VEC_SHL", wasm_shift_t>;
655def wasm_shr_s : SDNode<"WebAssemblyISD::VEC_SHR_S", wasm_shift_t>;
656def wasm_shr_u : SDNode<"WebAssemblyISD::VEC_SHR_U", wasm_shift_t>;
657foreach shifts = [[wasm_shl, SHL_v2i64],
658                  [wasm_shr_s, SHR_S_v2i64],
659                  [wasm_shr_u, SHR_U_v2i64]] in
660def : Pat<(v2i64 (shifts[0] (v2i64 V128:$vec), I32:$x)),
661          (v2i64 (shifts[1] (v2i64 V128:$vec), I32:$x))>;
662
663//===----------------------------------------------------------------------===//
664// Integer binary arithmetic
665//===----------------------------------------------------------------------===//
666
667multiclass SIMDBinaryIntSmall<SDNode node, string name, bits<32> baseInst> {
668  defm "" : SIMDBinary<v16i8, "i8x16", node, name, baseInst>;
669  defm "" : SIMDBinary<v8i16, "i16x8", node, name, !add(baseInst, 17)>;
670}
671
672multiclass SIMDBinaryIntNoI64x2<SDNode node, string name, bits<32> baseInst> {
673  defm "" : SIMDBinaryIntSmall<node, name, baseInst>;
674  defm "" : SIMDBinary<v4i32, "i32x4", node, name, !add(baseInst, 34)>;
675}
676
677multiclass SIMDBinaryInt<SDNode node, string name, bits<32> baseInst> {
678  defm "" : SIMDBinaryIntNoI64x2<node, name, baseInst>;
679  defm "" : SIMDBinary<v2i64, "i64x2", node, name, !add(baseInst, 51)>;
680}
681
682// Integer addition: add / add_saturate_s / add_saturate_u
683let isCommutable = 1 in {
684defm ADD : SIMDBinaryInt<add, "add", 87>;
685defm ADD_SAT_S : SIMDBinaryIntSmall<saddsat, "add_saturate_s", 88>;
686defm ADD_SAT_U : SIMDBinaryIntSmall<uaddsat, "add_saturate_u", 89>;
687} // isCommutable = 1
688
689// Integer subtraction: sub / sub_saturate_s / sub_saturate_u
690defm SUB : SIMDBinaryInt<sub, "sub", 90>;
691defm SUB_SAT_S :
692  SIMDBinaryIntSmall<int_wasm_sub_saturate_signed, "sub_saturate_s", 91>;
693defm SUB_SAT_U :
694  SIMDBinaryIntSmall<int_wasm_sub_saturate_unsigned, "sub_saturate_u", 92>;
695
696// Integer multiplication: mul
697let isCommutable = 1 in
698defm MUL : SIMDBinaryIntNoI64x2<mul, "mul", 93>;
699
700// Integer min_s / min_u / max_s / max_u
701let isCommutable = 1 in {
702defm MIN_S : SIMDBinaryIntNoI64x2<smin, "min_s", 94>;
703defm MIN_U : SIMDBinaryIntNoI64x2<umin, "min_u", 95>;
704defm MAX_S : SIMDBinaryIntNoI64x2<smax, "max_s", 96>;
705defm MAX_U : SIMDBinaryIntNoI64x2<umax, "max_u", 97>;
706} // isCommutable = 1
707
708// Integer unsigned rounding average: avgr_u
709let isCommutable = 1 in {
710defm AVGR_U : SIMDBinary<v16i8, "i8x16", int_wasm_avgr_unsigned, "avgr_u", 217>;
711defm AVGR_U : SIMDBinary<v8i16, "i16x8", int_wasm_avgr_unsigned, "avgr_u", 218>;
712}
713
714def add_nuw : PatFrag<(ops node:$lhs, node:$rhs),
715                      (add node:$lhs, node:$rhs),
716                      "return N->getFlags().hasNoUnsignedWrap();">;
717
718foreach nodes = [[v16i8, splat16], [v8i16, splat8]] in
719def : Pat<(srl
720            (add_nuw
721              (add_nuw (nodes[0] V128:$lhs), (nodes[0] V128:$rhs)),
722              (nodes[1] (i32 1))
723            ),
724            (nodes[0] (nodes[1] (i32 1)))
725          ),
726          (!cast<NI>("AVGR_U_"#nodes[0]) V128:$lhs, V128:$rhs)>;
727
728// Widening dot product: i32x4.dot_i16x8_s
729let isCommutable = 1 in
730defm DOT : SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
731                  [(set V128:$dst, (int_wasm_dot V128:$lhs, V128:$rhs))],
732                  "i32x4.dot_i16x8_s\t$dst, $lhs, $rhs", "i32x4.dot_i16x8_s",
733                  219>;
734
735//===----------------------------------------------------------------------===//
736// Floating-point unary arithmetic
737//===----------------------------------------------------------------------===//
738
739multiclass SIMDUnaryFP<SDNode node, string name, bits<32> baseInst> {
740  defm "" : SIMDUnary<v4f32, "f32x4", node, name, baseInst>;
741  defm "" : SIMDUnary<v2f64, "f64x2", node, name, !add(baseInst, 11)>;
742}
743
744// Absolute value: abs
745defm ABS : SIMDUnaryFP<fabs, "abs", 149>;
746
747// Negation: neg
748defm NEG : SIMDUnaryFP<fneg, "neg", 150>;
749
750// Square root: sqrt
751defm SQRT : SIMDUnaryFP<fsqrt, "sqrt", 151>;
752
753//===----------------------------------------------------------------------===//
754// Floating-point binary arithmetic
755//===----------------------------------------------------------------------===//
756
757multiclass SIMDBinaryFP<SDNode node, string name, bits<32> baseInst> {
758  defm "" : SIMDBinary<v4f32, "f32x4", node, name, baseInst>;
759  defm "" : SIMDBinary<v2f64, "f64x2", node, name, !add(baseInst, 11)>;
760}
761
762// Addition: add
763let isCommutable = 1 in
764defm ADD : SIMDBinaryFP<fadd, "add", 154>;
765
766// Subtraction: sub
767defm SUB : SIMDBinaryFP<fsub, "sub", 155>;
768
769// Multiplication: mul
770let isCommutable = 1 in
771defm MUL : SIMDBinaryFP<fmul, "mul", 156>;
772
773// Division: div
774defm DIV : SIMDBinaryFP<fdiv, "div", 157>;
775
776// NaN-propagating minimum: min
777defm MIN : SIMDBinaryFP<fminimum, "min", 158>;
778
779// NaN-propagating maximum: max
780defm MAX : SIMDBinaryFP<fmaximum, "max", 159>;
781
782//===----------------------------------------------------------------------===//
783// Conversions
784//===----------------------------------------------------------------------===//
785
786multiclass SIMDConvert<ValueType vec_t, ValueType arg_t, SDNode op,
787                       string name, bits<32> simdop> {
788  defm op#_#vec_t#_#arg_t :
789    SIMD_I<(outs V128:$dst), (ins V128:$vec), (outs), (ins),
790           [(set (vec_t V128:$dst), (vec_t (op (arg_t V128:$vec))))],
791           name#"\t$dst, $vec", name, simdop>;
792}
793
794// Integer to floating point: convert
795defm "" : SIMDConvert<v4f32, v4i32, sint_to_fp, "f32x4.convert_i32x4_s", 175>;
796defm "" : SIMDConvert<v4f32, v4i32, uint_to_fp, "f32x4.convert_i32x4_u", 176>;
797
798let Predicates = [HasUnimplementedSIMD128] in {
799defm "" : SIMDConvert<v2f64, v2i64, sint_to_fp, "f64x2.convert_i64x2_s", 177>;
800defm "" : SIMDConvert<v2f64, v2i64, uint_to_fp, "f64x2.convert_i64x2_u", 178>;
801}
802
803// Floating point to integer with saturation: trunc_sat
804defm "" : SIMDConvert<v4i32, v4f32, fp_to_sint, "i32x4.trunc_sat_f32x4_s", 171>;
805defm "" : SIMDConvert<v4i32, v4f32, fp_to_uint, "i32x4.trunc_sat_f32x4_u", 172>;
806
807let Predicates = [HasUnimplementedSIMD128] in {
808defm "" : SIMDConvert<v2i64, v2f64, fp_to_sint, "i64x2.trunc_sat_f64x2_s", 173>;
809defm "" : SIMDConvert<v2i64, v2f64, fp_to_uint, "i64x2.trunc_sat_f64x2_u", 174>;
810}
811
812// Widening operations
813multiclass SIMDWiden<ValueType vec_t, string vec, ValueType arg_t, string arg,
814                     bits<32> baseInst> {
815  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_signed,
816                        vec#".widen_low_"#arg#"_s", baseInst>;
817  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_signed,
818                        vec#".widen_high_"#arg#"_s", !add(baseInst, 1)>;
819  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_low_unsigned,
820                        vec#".widen_low_"#arg#"_u", !add(baseInst, 2)>;
821  defm "" : SIMDConvert<vec_t, arg_t, int_wasm_widen_high_unsigned,
822                        vec#".widen_high_"#arg#"_u", !add(baseInst, 3)>;
823}
824
825defm "" : SIMDWiden<v8i16, "i16x8", v16i8, "i8x16", 202>;
826defm "" : SIMDWiden<v4i32, "i32x4", v8i16, "i16x8", 206>;
827
828// Narrowing operations
829multiclass SIMDNarrow<ValueType vec_t, string vec, ValueType arg_t, string arg,
830                      bits<32> baseInst> {
831  defm NARROW_S_#vec_t :
832    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
833           [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_signed
834             (arg_t V128:$low), (arg_t V128:$high))))],
835           vec#".narrow_"#arg#"_s\t$dst, $low, $high", vec#".narrow_"#arg#"_s",
836           baseInst>;
837  defm NARROW_U_#vec_t :
838    SIMD_I<(outs V128:$dst), (ins V128:$low, V128:$high), (outs), (ins),
839           [(set (vec_t V128:$dst), (vec_t (int_wasm_narrow_unsigned
840             (arg_t V128:$low), (arg_t V128:$high))))],
841           vec#".narrow_"#arg#"_u\t$dst, $low, $high", vec#".narrow_"#arg#"_u",
842           !add(baseInst, 1)>;
843}
844
845defm "" : SIMDNarrow<v16i8, "i8x16", v8i16, "i16x8", 198>;
846defm "" : SIMDNarrow<v8i16, "i16x8", v4i32, "i32x4", 200>;
847
848// Lower llvm.wasm.trunc.saturate.* to saturating instructions
849def : Pat<(v4i32 (int_wasm_trunc_saturate_signed (v4f32 V128:$src))),
850          (fp_to_sint_v4i32_v4f32 (v4f32 V128:$src))>;
851def : Pat<(v4i32 (int_wasm_trunc_saturate_unsigned (v4f32 V128:$src))),
852          (fp_to_uint_v4i32_v4f32 (v4f32 V128:$src))>;
853def : Pat<(v2i64 (int_wasm_trunc_saturate_signed (v2f64 V128:$src))),
854          (fp_to_sint_v2i64_v2f64 (v2f64 V128:$src))>;
855def : Pat<(v2i64 (int_wasm_trunc_saturate_unsigned (v2f64 V128:$src))),
856          (fp_to_uint_v2i64_v2f64 (v2f64 V128:$src))>;
857
858// Bitcasts are nops
859// Matching bitcast t1 to t1 causes strange errors, so avoid repeating types
860foreach t1 = [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64] in
861foreach t2 = !foldl(
862  []<ValueType>, [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
863  acc, cur, !if(!eq(!cast<string>(t1), !cast<string>(cur)),
864    acc, !listconcat(acc, [cur])
865  )
866) in
867def : Pat<(t1 (bitconvert (t2 V128:$v))), (t1 V128:$v)>;
868
869//===----------------------------------------------------------------------===//
870// Quasi-Fused Multiply- Add and Subtract (QFMA/QFMS)
871//===----------------------------------------------------------------------===//
872
873multiclass SIMDQFM<ValueType vec_t, string vec, bits<32> baseInst> {
874  defm QFMA_#vec_t :
875    SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c),
876           (outs), (ins),
877           [(set (vec_t V128:$dst),
878             (int_wasm_qfma (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))],
879           vec#".qfma\t$dst, $a, $b, $c", vec#".qfma", baseInst>;
880  defm QFMS_#vec_t :
881    SIMD_I<(outs V128:$dst), (ins V128:$a, V128:$b, V128:$c),
882           (outs), (ins),
883           [(set (vec_t V128:$dst),
884             (int_wasm_qfms (vec_t V128:$a), (vec_t V128:$b), (vec_t V128:$c)))],
885           vec#".qfms\t$dst, $a, $b, $c", vec#".qfms", !add(baseInst, 1)>;
886}
887
888defm "" : SIMDQFM<v4f32, "f32x4", 0x98>;
889defm "" : SIMDQFM<v2f64, "f64x2", 0xa3>;
890