1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve -mattr=+bf16 < %s | FileCheck %s --check-prefixes=CHECK
3
4define <vscale x 2 x i64> @insert_v2i64_nxv2i64(<vscale x 2 x i64> %vec, <2 x i64> %subvec) nounwind {
5; CHECK-LABEL: insert_v2i64_nxv2i64:
6; CHECK:       // %bb.0:
7; CHECK-NEXT:    ptrue p0.d, vl2
8; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
9; CHECK-NEXT:    mov z0.d, p0/m, z1.d
10; CHECK-NEXT:    ret
11  %retval = call <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v2i64(<vscale x 2 x i64> %vec, <2 x i64> %subvec, i64 0)
12  ret <vscale x 2 x i64> %retval
13}
14
15define <vscale x 2 x i64> @insert_v2i64_nxv2i64_idx2(<vscale x 2 x i64> %vec, <2 x i64> %subvec) nounwind {
16; CHECK-LABEL: insert_v2i64_nxv2i64_idx2:
17; CHECK:       // %bb.0:
18; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
19; CHECK-NEXT:    addvl sp, sp, #-1
20; CHECK-NEXT:    cntd x8
21; CHECK-NEXT:    mov w9, #2
22; CHECK-NEXT:    sub x8, x8, #2
23; CHECK-NEXT:    ptrue p0.d
24; CHECK-NEXT:    cmp x8, #2
25; CHECK-NEXT:    st1d { z0.d }, p0, [sp]
26; CHECK-NEXT:    csel x8, x8, x9, lo
27; CHECK-NEXT:    mov x9, sp
28; CHECK-NEXT:    lsl x8, x8, #3
29; CHECK-NEXT:    str q1, [x9, x8]
30; CHECK-NEXT:    ld1d { z0.d }, p0/z, [sp]
31; CHECK-NEXT:    addvl sp, sp, #1
32; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
33; CHECK-NEXT:    ret
34  %retval = call <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v2i64(<vscale x 2 x i64> %vec, <2 x i64> %subvec, i64 2)
35  ret <vscale x 2 x i64> %retval
36}
37
38define <vscale x 4 x i32> @insert_v4i32_nxv4i32(<vscale x 4 x i32> %vec, <4 x i32> %subvec) nounwind {
39; CHECK-LABEL: insert_v4i32_nxv4i32:
40; CHECK:       // %bb.0:
41; CHECK-NEXT:    ptrue p0.s, vl4
42; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
43; CHECK-NEXT:    mov z0.s, p0/m, z1.s
44; CHECK-NEXT:    ret
45  %retval = call <vscale x 4 x i32> @llvm.experimental.vector.insert.nxv4i32.v4i32(<vscale x 4 x i32> %vec, <4 x i32> %subvec, i64 0)
46  ret <vscale x 4 x i32> %retval
47}
48
49define <vscale x 4 x i32> @insert_v4i32_nxv4i32_idx4(<vscale x 4 x i32> %vec, <4 x i32> %subvec) nounwind {
50; CHECK-LABEL: insert_v4i32_nxv4i32_idx4:
51; CHECK:       // %bb.0:
52; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
53; CHECK-NEXT:    addvl sp, sp, #-1
54; CHECK-NEXT:    cntw x8
55; CHECK-NEXT:    mov w9, #4
56; CHECK-NEXT:    sub x8, x8, #4
57; CHECK-NEXT:    ptrue p0.s
58; CHECK-NEXT:    cmp x8, #4
59; CHECK-NEXT:    st1w { z0.s }, p0, [sp]
60; CHECK-NEXT:    csel x8, x8, x9, lo
61; CHECK-NEXT:    mov x9, sp
62; CHECK-NEXT:    lsl x8, x8, #2
63; CHECK-NEXT:    str q1, [x9, x8]
64; CHECK-NEXT:    ld1w { z0.s }, p0/z, [sp]
65; CHECK-NEXT:    addvl sp, sp, #1
66; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
67; CHECK-NEXT:    ret
68  %retval = call <vscale x 4 x i32> @llvm.experimental.vector.insert.nxv4i32.v4i32(<vscale x 4 x i32> %vec, <4 x i32> %subvec, i64 4)
69  ret <vscale x 4 x i32> %retval
70}
71
72define <vscale x 8 x i16> @insert_v8i16_nxv8i16(<vscale x 8 x i16> %vec, <8 x i16> %subvec) nounwind {
73; CHECK-LABEL: insert_v8i16_nxv8i16:
74; CHECK:       // %bb.0:
75; CHECK-NEXT:    ptrue p0.h, vl8
76; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
77; CHECK-NEXT:    mov z0.h, p0/m, z1.h
78; CHECK-NEXT:    ret
79  %retval = call <vscale x 8 x i16> @llvm.experimental.vector.insert.nxv8i16.v8i16(<vscale x 8 x i16> %vec, <8 x i16> %subvec, i64 0)
80  ret <vscale x 8 x i16> %retval
81}
82
83define <vscale x 8 x i16> @insert_v8i16_nxv8i16_idx8(<vscale x 8 x i16> %vec, <8 x i16> %subvec) nounwind {
84; CHECK-LABEL: insert_v8i16_nxv8i16_idx8:
85; CHECK:       // %bb.0:
86; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
87; CHECK-NEXT:    addvl sp, sp, #-1
88; CHECK-NEXT:    cnth x8
89; CHECK-NEXT:    mov w9, #8
90; CHECK-NEXT:    sub x8, x8, #8
91; CHECK-NEXT:    ptrue p0.h
92; CHECK-NEXT:    cmp x8, #8
93; CHECK-NEXT:    st1h { z0.h }, p0, [sp]
94; CHECK-NEXT:    csel x8, x8, x9, lo
95; CHECK-NEXT:    mov x9, sp
96; CHECK-NEXT:    lsl x8, x8, #1
97; CHECK-NEXT:    str q1, [x9, x8]
98; CHECK-NEXT:    ld1h { z0.h }, p0/z, [sp]
99; CHECK-NEXT:    addvl sp, sp, #1
100; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
101; CHECK-NEXT:    ret
102  %retval = call <vscale x 8 x i16> @llvm.experimental.vector.insert.nxv8i16.v8i16(<vscale x 8 x i16> %vec, <8 x i16> %subvec, i64 8)
103  ret <vscale x 8 x i16> %retval
104}
105
106define <vscale x 16 x i8> @insert_v16i8_nxv16i8(<vscale x 16 x i8> %vec, <16 x i8> %subvec) nounwind {
107; CHECK-LABEL: insert_v16i8_nxv16i8:
108; CHECK:       // %bb.0:
109; CHECK-NEXT:    ptrue p0.b, vl16
110; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
111; CHECK-NEXT:    mov z0.b, p0/m, z1.b
112; CHECK-NEXT:    ret
113  %retval = call <vscale x 16 x i8> @llvm.experimental.vector.insert.nxv16i8.v16i8(<vscale x 16 x i8> %vec, <16 x i8> %subvec, i64 0)
114  ret <vscale x 16 x i8> %retval
115}
116
117define <vscale x 16 x i8> @insert_v16i8_nxv16i8_idx16(<vscale x 16 x i8> %vec, <16 x i8> %subvec) nounwind {
118; CHECK-LABEL: insert_v16i8_nxv16i8_idx16:
119; CHECK:       // %bb.0:
120; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
121; CHECK-NEXT:    addvl sp, sp, #-1
122; CHECK-NEXT:    mov x8, #-16
123; CHECK-NEXT:    mov w9, #16
124; CHECK-NEXT:    ptrue p0.b
125; CHECK-NEXT:    st1b { z0.b }, p0, [sp]
126; CHECK-NEXT:    addvl x8, x8, #1
127; CHECK-NEXT:    cmp x8, #16
128; CHECK-NEXT:    csel x8, x8, x9, lo
129; CHECK-NEXT:    mov x9, sp
130; CHECK-NEXT:    str q1, [x9, x8]
131; CHECK-NEXT:    ld1b { z0.b }, p0/z, [sp]
132; CHECK-NEXT:    addvl sp, sp, #1
133; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
134; CHECK-NEXT:    ret
135  %retval = call <vscale x 16 x i8> @llvm.experimental.vector.insert.nxv16i8.v16i8(<vscale x 16 x i8> %vec, <16 x i8> %subvec, i64 16)
136  ret <vscale x 16 x i8> %retval
137}
138
139
140; Insert subvectors into illegal vectors
141
142define void @insert_nxv8i64_nxv16i64(<vscale x 8 x i64> %sv0, <vscale x 8 x i64> %sv1, <vscale x 16 x i64>* %out) {
143; CHECK-LABEL: insert_nxv8i64_nxv16i64:
144; CHECK:       // %bb.0:
145; CHECK-NEXT:    ptrue p0.d
146; CHECK-NEXT:    st1d { z7.d }, p0, [x0, #7, mul vl]
147; CHECK-NEXT:    st1d { z6.d }, p0, [x0, #6, mul vl]
148; CHECK-NEXT:    st1d { z5.d }, p0, [x0, #5, mul vl]
149; CHECK-NEXT:    st1d { z4.d }, p0, [x0, #4, mul vl]
150; CHECK-NEXT:    st1d { z3.d }, p0, [x0, #3, mul vl]
151; CHECK-NEXT:    st1d { z2.d }, p0, [x0, #2, mul vl]
152; CHECK-NEXT:    st1d { z1.d }, p0, [x0, #1, mul vl]
153; CHECK-NEXT:    st1d { z0.d }, p0, [x0]
154; CHECK-NEXT:    ret
155  %v0 = call <vscale x 16 x i64> @llvm.experimental.vector.insert.nxv8i64.nxv16i64(<vscale x 16 x i64> undef, <vscale x 8 x i64> %sv0, i64 0)
156  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.nxv8i64.nxv16i64(<vscale x 16 x i64> %v0, <vscale x 8 x i64> %sv1, i64 8)
157  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
158  ret void
159}
160
161define void @insert_nxv8i64_nxv16i64_lo(<vscale x 8 x i64> %sv0, <vscale x 16 x i64>* %out) {
162; CHECK-LABEL: insert_nxv8i64_nxv16i64_lo:
163; CHECK:       // %bb.0:
164; CHECK-NEXT:    ptrue p0.d
165; CHECK-NEXT:    st1d { z3.d }, p0, [x0, #3, mul vl]
166; CHECK-NEXT:    st1d { z2.d }, p0, [x0, #2, mul vl]
167; CHECK-NEXT:    st1d { z1.d }, p0, [x0, #1, mul vl]
168; CHECK-NEXT:    st1d { z0.d }, p0, [x0]
169; CHECK-NEXT:    ret
170  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.nxv8i64.nxv16i64(<vscale x 16 x i64> undef, <vscale x 8 x i64> %sv0, i64 0)
171  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
172  ret void
173}
174
175define void @insert_nxv8i64_nxv16i64_hi(<vscale x 8 x i64> %sv0, <vscale x 16 x i64>* %out) {
176; CHECK-LABEL: insert_nxv8i64_nxv16i64_hi:
177; CHECK:       // %bb.0:
178; CHECK-NEXT:    ptrue p0.d
179; CHECK-NEXT:    st1d { z3.d }, p0, [x0, #7, mul vl]
180; CHECK-NEXT:    st1d { z2.d }, p0, [x0, #6, mul vl]
181; CHECK-NEXT:    st1d { z1.d }, p0, [x0, #5, mul vl]
182; CHECK-NEXT:    st1d { z0.d }, p0, [x0, #4, mul vl]
183; CHECK-NEXT:    ret
184  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.nxv8i64.nxv16i64(<vscale x 16 x i64> undef, <vscale x 8 x i64> %sv0, i64 8)
185  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
186  ret void
187}
188
189define void @insert_v2i64_nxv16i64(<2 x i64> %sv0, <2 x i64> %sv1, <vscale x 16 x i64>* %out) {
190; CHECK-LABEL: insert_v2i64_nxv16i64:
191; CHECK:       // %bb.0:
192; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
193; CHECK-NEXT:    .cfi_def_cfa_offset 16
194; CHECK-NEXT:    .cfi_offset w29, -16
195; CHECK-NEXT:    addvl sp, sp, #-4
196; CHECK-NEXT:    .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x20, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 32 * VG
197; CHECK-NEXT:    ptrue p0.d
198; CHECK-NEXT:    // kill: def $q0 killed $q0 def $z0
199; CHECK-NEXT:    st1d { z0.d }, p0, [sp]
200; CHECK-NEXT:    str q1, [sp, #32]
201; CHECK-NEXT:    ld1d { z0.d }, p0/z, [sp]
202; CHECK-NEXT:    ld1d { z1.d }, p0/z, [sp, #1, mul vl]
203; CHECK-NEXT:    ld1d { z2.d }, p0/z, [sp, #2, mul vl]
204; CHECK-NEXT:    ld1d { z3.d }, p0/z, [sp, #3, mul vl]
205; CHECK-NEXT:    st1d { z3.d }, p0, [x0, #3, mul vl]
206; CHECK-NEXT:    st1d { z2.d }, p0, [x0, #2, mul vl]
207; CHECK-NEXT:    st1d { z1.d }, p0, [x0, #1, mul vl]
208; CHECK-NEXT:    st1d { z0.d }, p0, [x0]
209; CHECK-NEXT:    addvl sp, sp, #4
210; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
211; CHECK-NEXT:    ret
212  %v0 = call <vscale x 16 x i64> @llvm.experimental.vector.insert.v2i64.nxv16i64(<vscale x 16 x i64> undef, <2 x i64> %sv0, i64 0)
213  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.v2i64.nxv16i64(<vscale x 16 x i64> %v0, <2 x i64> %sv1, i64 4)
214  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
215  ret void
216}
217
218define void @insert_v2i64_nxv16i64_lo0(<2 x i64>* %psv, <vscale x 16 x i64>* %out) {
219; CHECK-LABEL: insert_v2i64_nxv16i64_lo0:
220; CHECK:       // %bb.0:
221; CHECK-NEXT:    ldr q0, [x0]
222; CHECK-NEXT:    ptrue p0.d
223; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
224; CHECK-NEXT:    ret
225  %sv = load <2 x i64>, <2 x i64>* %psv
226  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.v2i64.nxv16i64(<vscale x 16 x i64> undef, <2 x i64> %sv, i64 0)
227  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
228  ret void
229}
230
231define void @insert_v2i64_nxv16i64_lo2(<2 x i64>* %psv, <vscale x 16 x i64>* %out) {
232; CHECK-LABEL: insert_v2i64_nxv16i64_lo2:
233; CHECK:       // %bb.0:
234; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
235; CHECK-NEXT:    .cfi_def_cfa_offset 16
236; CHECK-NEXT:    .cfi_offset w29, -16
237; CHECK-NEXT:    addvl sp, sp, #-2
238; CHECK-NEXT:    .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG
239; CHECK-NEXT:    ldr q0, [x0]
240; CHECK-NEXT:    ptrue p0.d
241; CHECK-NEXT:    str q0, [sp, #16]
242; CHECK-NEXT:    ld1d { z0.d }, p0/z, [sp]
243; CHECK-NEXT:    ld1d { z1.d }, p0/z, [sp, #1, mul vl]
244; CHECK-NEXT:    st1d { z1.d }, p0, [x1, #1, mul vl]
245; CHECK-NEXT:    st1d { z0.d }, p0, [x1]
246; CHECK-NEXT:    addvl sp, sp, #2
247; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
248; CHECK-NEXT:    ret
249  %sv = load <2 x i64>, <2 x i64>* %psv
250  %v = call <vscale x 16 x i64> @llvm.experimental.vector.insert.v2i64.nxv16i64(<vscale x 16 x i64> undef, <2 x i64> %sv, i64 2)
251  store <vscale x 16 x i64> %v, <vscale x 16 x i64>* %out
252  ret void
253}
254
255
256; Insert subvectors that need widening
257
258define <vscale x 4 x i32> @insert_nxv1i32_nxv4i32_undef() nounwind {
259; CHECK-LABEL: insert_nxv1i32_nxv4i32_undef:
260; CHECK:       // %bb.0: // %entry
261; CHECK-NEXT:    mov z0.s, #1 // =0x1
262; CHECK-NEXT:    ret
263entry:
264  %0 = insertelement <vscale x 1 x i32> undef, i32 1, i32 0
265  %subvec = shufflevector <vscale x 1 x i32> %0, <vscale x 1 x i32> undef, <vscale x 1 x i32> zeroinitializer
266  %retval = call <vscale x 4 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv1i32(<vscale x 4 x i32> undef, <vscale x 1 x i32> %subvec, i64 0)
267  ret <vscale x 4 x i32> %retval
268}
269
270define <vscale x 6 x i16> @insert_nxv1i16_nxv6i16_undef() nounwind {
271; CHECK-LABEL: insert_nxv1i16_nxv6i16_undef:
272; CHECK:       // %bb.0: // %entry
273; CHECK-NEXT:    mov z0.h, #1 // =0x1
274; CHECK-NEXT:    ret
275entry:
276  %0 = insertelement <vscale x 1 x i16> undef, i16 1, i32 0
277  %subvec = shufflevector <vscale x 1 x i16> %0, <vscale x 1 x i16> undef, <vscale x 1 x i32> zeroinitializer
278  %retval = call <vscale x 6 x i16> @llvm.experimental.vector.insert.nxv6i16.nxv1i16(<vscale x 6 x i16> undef, <vscale x 1 x i16> %subvec, i64 0)
279  ret <vscale x 6 x i16> %retval
280}
281
282; This tests promotion of the input operand to INSERT_SUBVECTOR.
283define <vscale x 8 x i16> @insert_nxv8i16_nxv2i16(<vscale x 8 x i16> %vec, <vscale x 2 x i16> %in) nounwind {
284; CHECK-LABEL: insert_nxv8i16_nxv2i16:
285; CHECK:       // %bb.0:
286; CHECK-NEXT:    uunpklo z2.s, z0.h
287; CHECK-NEXT:    uunpkhi z0.s, z0.h
288; CHECK-NEXT:    uunpklo z2.d, z2.s
289; CHECK-NEXT:    uzp1 z1.s, z2.s, z1.s
290; CHECK-NEXT:    uzp1 z0.h, z1.h, z0.h
291; CHECK-NEXT:    ret
292  %r = call <vscale x 8 x i16> @llvm.experimental.vector.insert.nxv8i16.nxv2i16(<vscale x 8 x i16> %vec, <vscale x 2 x i16> %in, i64 2)
293  ret <vscale x 8 x i16> %r
294}
295
296; Test that the index is scaled by vscale if the subvector is scalable.
297define <vscale x 8 x half> @insert_nxv8f16_nxv2f16(<vscale x 8 x half> %vec, <vscale x 2 x half> %in) nounwind {
298; CHECK-LABEL: insert_nxv8f16_nxv2f16:
299; CHECK:       // %bb.0:
300; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
301; CHECK-NEXT:    addvl sp, sp, #-1
302; CHECK-NEXT:    ptrue p0.h
303; CHECK-NEXT:    ptrue p1.d
304; CHECK-NEXT:    st1h { z0.h }, p0, [sp]
305; CHECK-NEXT:    st1h { z1.d }, p1, [sp, #1, mul vl]
306; CHECK-NEXT:    ld1h { z0.h }, p0/z, [sp]
307; CHECK-NEXT:    addvl sp, sp, #1
308; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
309; CHECK-NEXT:    ret
310  %r = call <vscale x 8 x half> @llvm.experimental.vector.insert.nxv8f16.nxv2f16(<vscale x 8 x half> %vec, <vscale x 2 x half> %in, i64 2)
311  ret <vscale x 8 x half> %r
312}
313
314; Fixed length clamping
315
316define <vscale x 2 x i64> @insert_fixed_v2i64_nxv2i64(<vscale x 2 x i64> %vec, <2 x i64> %subvec) nounwind #0 {
317; CHECK-LABEL: insert_fixed_v2i64_nxv2i64:
318; CHECK:       // %bb.0:
319; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
320; CHECK-NEXT:    addvl sp, sp, #-1
321; CHECK-NEXT:    cntd x8
322; CHECK-NEXT:    mov w9, #2
323; CHECK-NEXT:    sub x8, x8, #2
324; CHECK-NEXT:    ptrue p0.d
325; CHECK-NEXT:    cmp x8, #2
326; CHECK-NEXT:    st1d { z0.d }, p0, [sp]
327; CHECK-NEXT:    csel x8, x8, x9, lo
328; CHECK-NEXT:    mov x9, sp
329; CHECK-NEXT:    lsl x8, x8, #3
330; CHECK-NEXT:    str q1, [x9, x8]
331; CHECK-NEXT:    ld1d { z0.d }, p0/z, [sp]
332; CHECK-NEXT:    addvl sp, sp, #1
333; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
334; CHECK-NEXT:    ret
335  %retval = call <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v2i64(<vscale x 2 x i64> %vec, <2 x i64> %subvec, i64 2)
336  ret <vscale x 2 x i64> %retval
337}
338
339define <vscale x 2 x i64> @insert_fixed_v4i64_nxv2i64(<vscale x 2 x i64> %vec, <4 x i64>* %ptr) nounwind #0 {
340; CHECK-LABEL: insert_fixed_v4i64_nxv2i64:
341; CHECK:       // %bb.0:
342; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
343; CHECK-NEXT:    addvl sp, sp, #-1
344; CHECK-NEXT:    cntd x8
345; CHECK-NEXT:    ptrue p0.d
346; CHECK-NEXT:    subs x8, x8, #4
347; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x0]
348; CHECK-NEXT:    csel x8, xzr, x8, lo
349; CHECK-NEXT:    mov w9, #4
350; CHECK-NEXT:    cmp x8, #4
351; CHECK-NEXT:    st1d { z0.d }, p0, [sp]
352; CHECK-NEXT:    csel x8, x8, x9, lo
353; CHECK-NEXT:    mov x9, sp
354; CHECK-NEXT:    st1d { z1.d }, p0, [x9, x8, lsl #3]
355; CHECK-NEXT:    ld1d { z0.d }, p0/z, [sp]
356; CHECK-NEXT:    addvl sp, sp, #1
357; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
358; CHECK-NEXT:    ret
359  %subvec = load <4 x i64>, <4 x i64>* %ptr
360  %retval = call <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v4i64(<vscale x 2 x i64> %vec, <4 x i64> %subvec, i64 4)
361  ret <vscale x 2 x i64> %retval
362}
363
364attributes #0 = { vscale_range(2,2) }
365
366declare <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v2i64(<vscale x 2 x i64>, <2 x i64>, i64)
367declare <vscale x 4 x i32> @llvm.experimental.vector.insert.nxv4i32.v4i32(<vscale x 4 x i32>, <4 x i32>, i64)
368declare <vscale x 8 x i16> @llvm.experimental.vector.insert.nxv8i16.v8i16(<vscale x 8 x i16>, <8 x i16>, i64)
369declare <vscale x 16 x i8> @llvm.experimental.vector.insert.nxv16i8.v16i8(<vscale x 16 x i8>, <16 x i8>, i64)
370
371declare <vscale x 2 x i64> @llvm.experimental.vector.insert.nxv2i64.v4i64(<vscale x 2 x i64>, <4 x i64>, i64)
372
373declare <vscale x 16 x i64> @llvm.experimental.vector.insert.nxv8i64.nxv16i64(<vscale x 16 x i64>, <vscale x 8 x i64>, i64)
374declare <vscale x 16 x i64> @llvm.experimental.vector.insert.v2i64.nxv16i64(<vscale x 16 x i64>, <2 x i64>, i64)
375declare <vscale x 4 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv1i32(<vscale x 4 x i32>, <vscale x 1 x i32>, i64)
376declare <vscale x 6 x i16> @llvm.experimental.vector.insert.nxv6i16.nxv1i16(<vscale x 6 x i16>, <vscale x 1 x i16>, i64)
377
378declare <vscale x 8 x i16> @llvm.experimental.vector.insert.nxv8i16.nxv2i16(<vscale x 8 x i16>, <vscale x 2 x i16>, i64)
379
380declare <vscale x 8 x half> @llvm.experimental.vector.insert.nxv8f16.nxv2f16(<vscale x 8 x half>, <vscale x 2 x half>, i64)
381
382;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
383;;  Upacked types that need result widening
384;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
385
386define <vscale x 3 x i32> @insert_nxv3i32_nxv2i32(<vscale x 2 x i32> %sv0) {
387; CHECK-LABEL: insert_nxv3i32_nxv2i32:
388; CHECK:       // %bb.0:
389; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
390; CHECK-NEXT:    ret
391  %v0 = call <vscale x 3 x i32> @llvm.experimental.vector.insert.nxv3i32.nxv2i32(<vscale x 3 x i32> undef, <vscale x 2 x i32> %sv0, i64 0)
392 ret <vscale x 3 x i32> %v0
393}
394
395;; Check that the Subvector is not widen so it does not crash.
396define <vscale x 3 x i32> @insert_nxv3i32_nxv2i32_2(<vscale x 3 x i32> %sv0, <vscale x 2 x i32> %sv1) {
397; CHECK-LABEL: insert_nxv3i32_nxv2i32_2:
398; CHECK:       // %bb.0:
399; CHECK-NEXT:    uunpkhi z0.d, z0.s
400; CHECK-NEXT:    uzp1 z0.s, z1.s, z0.s
401; CHECK-NEXT:    ret
402  %v0 = call <vscale x 3 x i32> @llvm.experimental.vector.insert.nxv3i32.nxv2i32(<vscale x 3 x i32> %sv0, <vscale x 2 x i32> %sv1, i64 0)
403  ret <vscale x 3 x i32> %v0
404}
405
406define <vscale x 3 x float> @insert_nxv3f32_nxv2f32(<vscale x 2 x float> %sv0) nounwind {
407; CHECK-LABEL: insert_nxv3f32_nxv2f32:
408; CHECK:       // %bb.0:
409; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
410; CHECK-NEXT:    ret
411  %v0 = call <vscale x 3 x float> @llvm.experimental.vector.insert.nxv3f32.nxv2f32(<vscale x 3 x float> undef, <vscale x 2 x float> %sv0, i64 0)
412 ret <vscale x 3 x float> %v0
413}
414
415define <vscale x 6 x i32>  @insert_nxv6i32_nxv2i32(<vscale x 2 x i32> %sv0, <vscale x 2 x i32> %sv1) nounwind {
416; CHECK-LABEL: insert_nxv6i32_nxv2i32:
417; CHECK:       // %bb.0:
418; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
419; CHECK-NEXT:    addvl sp, sp, #-2
420; CHECK-NEXT:    ptrue p0.s
421; CHECK-NEXT:    uzp1 z0.s, z0.s, z1.s
422; CHECK-NEXT:    st1w { z0.s }, p0, [sp]
423; CHECK-NEXT:    ld1w { z1.s }, p0/z, [sp, #1, mul vl]
424; CHECK-NEXT:    addvl sp, sp, #2
425; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
426; CHECK-NEXT:    ret
427  %v0 = call <vscale x 6 x i32> @llvm.experimental.vector.insert.nxv6i32.nxv2i32(<vscale x 6 x i32> undef, <vscale x 2 x i32> %sv0, i64 0)
428  %v1 = call <vscale x 6 x i32> @llvm.experimental.vector.insert.nxv6i32.nxv2i32(<vscale x 6 x i32> %v0, <vscale x 2 x i32> %sv1, i64 2)
429  ret <vscale x 6 x i32> %v1
430}
431
432;; This only works because the input vector is undef and index is zero
433define  <vscale x 6 x i32> @insert_nxv6i32_nxv3i32(<vscale x 3 x i32> %sv0) {
434; CHECK-LABEL: insert_nxv6i32_nxv3i32:
435; CHECK:       // %bb.0:
436; CHECK-NEXT:    ret
437  %v0 = call <vscale x 6 x i32> @llvm.experimental.vector.insert.nxv6i32.nxv3i32(<vscale x 6 x i32> undef, <vscale x 3 x i32> %sv0, i64 0)
438  ret <vscale x 6 x i32> %v0
439}
440
441define <vscale x 12 x i32> @insert_nxv12i32_nxv4i32(<vscale x 4 x i32> %sv0, <vscale x 4 x i32> %sv1, <vscale x 4 x i32> %sv2) {
442; CHECK-LABEL: insert_nxv12i32_nxv4i32:
443; CHECK:       // %bb.0:
444; CHECK-NEXT:    ret
445  %v0 = call <vscale x 12 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv12i32(<vscale x 12 x i32> undef, <vscale x 4 x i32> %sv0, i64 0)
446  %v1 = call <vscale x 12 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv12i32(<vscale x 12 x i32> %v0, <vscale x 4 x i32> %sv1, i64 4)
447  %v2 = call <vscale x 12 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv12i32(<vscale x 12 x i32> %v1, <vscale x 4 x i32> %sv2, i64 8)
448  ret <vscale x 12 x i32> %v2
449}
450
451define <vscale x 2 x bfloat> @insert_nxv2bf16_nxv2bf16(<vscale x 2 x bfloat> %sv0, <vscale x 2 x bfloat> %sv1) nounwind {
452; CHECK-LABEL: insert_nxv2bf16_nxv2bf16:
453; CHECK:       // %bb.0:
454; CHECK-NEXT:    mov z0.d, z1.d
455; CHECK-NEXT:    ret
456  %v0 = call <vscale x 2 x bfloat> @llvm.experimental.vector.insert.nxv2bf16.nxv2bf16(<vscale x 2 x bfloat> %sv0, <vscale x 2 x bfloat> %sv1, i64 0)
457  ret <vscale x 2 x bfloat> %v0
458}
459
460define <vscale x 4 x bfloat> @insert_nxv4bf16_nxv4bf16(<vscale x 4 x bfloat> %sv0, <vscale x 4 x bfloat> %sv1) nounwind {
461; CHECK-LABEL: insert_nxv4bf16_nxv4bf16:
462; CHECK:       // %bb.0:
463; CHECK-NEXT:    mov z0.d, z1.d
464; CHECK-NEXT:    ret
465  %v0 = call <vscale x 4 x bfloat> @llvm.experimental.vector.insert.nxv4bf16.nxv4bf16(<vscale x 4 x bfloat> %sv0, <vscale x 4 x bfloat> %sv1, i64 0)
466  ret <vscale x 4 x bfloat> %v0
467}
468
469define <vscale x 4 x bfloat> @insert_nxv4bf16_v4bf16(<vscale x 4 x bfloat> %sv0, <4 x bfloat> %v1) nounwind {
470; CHECK-LABEL: insert_nxv4bf16_v4bf16:
471; CHECK:       // %bb.0:
472; CHECK-NEXT:    str x29, [sp, #-16]! // 8-byte Folded Spill
473; CHECK-NEXT:    addvl sp, sp, #-1
474; CHECK-NEXT:    ptrue p0.s
475; CHECK-NEXT:    st1h { z0.s }, p0, [sp, #1, mul vl]
476; CHECK-NEXT:    addpl x8, sp, #4
477; CHECK-NEXT:    str d1, [x8]
478; CHECK-NEXT:    ld1h { z0.s }, p0/z, [sp, #1, mul vl]
479; CHECK-NEXT:    addvl sp, sp, #1
480; CHECK-NEXT:    ldr x29, [sp], #16 // 8-byte Folded Reload
481; CHECK-NEXT:    ret
482  %v0 = call <vscale x 4 x bfloat> @llvm.experimental.vector.insert.nxv4bf16.v4bf16(<vscale x 4 x bfloat> %sv0, <4 x bfloat> %v1, i64 0)
483  ret <vscale x 4 x bfloat> %v0
484}
485
486define <vscale x 8 x bfloat> @insert_nxv8bf16_nxv8bf16(<vscale x 8 x bfloat> %sv0, <vscale x 8 x bfloat> %sv1) nounwind {
487; CHECK-LABEL: insert_nxv8bf16_nxv8bf16:
488; CHECK:       // %bb.0:
489; CHECK-NEXT:    mov z0.d, z1.d
490; CHECK-NEXT:    ret
491  %v0 = call <vscale x 8 x bfloat> @llvm.experimental.vector.insert.nxv8bf16.nxv8bf16(<vscale x 8 x bfloat> %sv0, <vscale x 8 x bfloat> %sv1, i64 0)
492  ret <vscale x 8 x bfloat> %v0
493}
494
495define <vscale x 8 x bfloat> @insert_nxv8bf16_v8bf16(<vscale x 8 x bfloat> %sv0, <8 x bfloat> %v1) nounwind {
496; CHECK-LABEL: insert_nxv8bf16_v8bf16:
497; CHECK:       // %bb.0:
498; CHECK-NEXT:    ptrue p0.h, vl8
499; CHECK-NEXT:    // kill: def $q1 killed $q1 def $z1
500; CHECK-NEXT:    mov z0.h, p0/m, z1.h
501; CHECK-NEXT:    ret
502  %v0 = call <vscale x 8 x bfloat> @llvm.experimental.vector.insert.nxv8bf16.v8bf16(<vscale x 8 x bfloat> %sv0, <8 x bfloat> %v1, i64 0)
503  ret <vscale x 8 x bfloat> %v0
504}
505
506; Test predicate inserts of half size.
507define <vscale x 16 x i1> @insert_nxv16i1_nxv8i1_0(<vscale x 16 x i1> %vec, <vscale x 8 x i1> %sv) {
508; CHECK-LABEL: insert_nxv16i1_nxv8i1_0:
509; CHECK:       // %bb.0:
510; CHECK-NEXT:    punpkhi p0.h, p0.b
511; CHECK-NEXT:    uzp1 p0.b, p1.b, p0.b
512; CHECK-NEXT:    ret
513  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv8i1(<vscale x 16 x i1> %vec, <vscale x 8 x i1> %sv, i64 0)
514  ret <vscale x 16 x i1> %v0
515}
516
517define <vscale x 16 x i1> @insert_nxv16i1_nxv8i1_8(<vscale x 16 x i1> %vec, <vscale x 8 x i1> %sv) {
518; CHECK-LABEL: insert_nxv16i1_nxv8i1_8:
519; CHECK:       // %bb.0:
520; CHECK-NEXT:    punpklo p0.h, p0.b
521; CHECK-NEXT:    uzp1 p0.b, p0.b, p1.b
522; CHECK-NEXT:    ret
523  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv8i1(<vscale x 16 x i1> %vec, <vscale x 8 x i1> %sv, i64 8)
524  ret <vscale x 16 x i1> %v0
525}
526
527; Test predicate inserts of less than half the size.
528define <vscale x 16 x i1> @insert_nxv16i1_nxv4i1_0(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %sv) {
529; CHECK-LABEL: insert_nxv16i1_nxv4i1_0:
530; CHECK:       // %bb.0:
531; CHECK-NEXT:    punpklo p2.h, p0.b
532; CHECK-NEXT:    punpkhi p0.h, p0.b
533; CHECK-NEXT:    punpkhi p2.h, p2.b
534; CHECK-NEXT:    uzp1 p1.h, p1.h, p2.h
535; CHECK-NEXT:    uzp1 p0.b, p1.b, p0.b
536; CHECK-NEXT:    ret
537  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %sv, i64 0)
538  ret <vscale x 16 x i1> %v0
539}
540
541define <vscale x 16 x i1> @insert_nxv16i1_nxv4i1_12(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %sv) {
542; CHECK-LABEL: insert_nxv16i1_nxv4i1_12:
543; CHECK:       // %bb.0:
544; CHECK-NEXT:    punpkhi p2.h, p0.b
545; CHECK-NEXT:    punpklo p0.h, p0.b
546; CHECK-NEXT:    punpklo p2.h, p2.b
547; CHECK-NEXT:    uzp1 p1.h, p2.h, p1.h
548; CHECK-NEXT:    uzp1 p0.b, p0.b, p1.b
549; CHECK-NEXT:    ret
550  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %sv, i64 12)
551  ret <vscale x 16 x i1> %v0
552}
553
554; Test predicate insert into undef/zero
555define <vscale x 16 x i1> @insert_nxv16i1_nxv4i1_into_zero(<vscale x 4 x i1> %sv) {
556; CHECK-LABEL: insert_nxv16i1_nxv4i1_into_zero:
557; CHECK:       // %bb.0:
558; CHECK-NEXT:    pfalse p1.b
559; CHECK-NEXT:    uzp1 p0.h, p0.h, p1.h
560; CHECK-NEXT:    uzp1 p0.b, p0.b, p1.b
561; CHECK-NEXT:    ret
562  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv4i1(<vscale x 16 x i1> zeroinitializer, <vscale x 4 x i1> %sv, i64 0)
563  ret <vscale x 16 x i1> %v0
564}
565
566define <vscale x 16 x i1> @insert_nxv16i1_nxv4i1_into_poison(<vscale x 4 x i1> %sv) {
567; CHECK-LABEL: insert_nxv16i1_nxv4i1_into_poison:
568; CHECK:       // %bb.0:
569; CHECK-NEXT:    uzp1 p0.h, p0.h, p0.h
570; CHECK-NEXT:    uzp1 p0.b, p0.b, p0.b
571; CHECK-NEXT:    ret
572  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv4i1(<vscale x 16 x i1> poison, <vscale x 4 x i1> %sv, i64 0)
573  ret <vscale x 16 x i1> %v0
574}
575
576; Test constant predicate insert into undef
577define <vscale x 2 x i1> @insert_nxv2i1_v8i1_const_true_into_undef() vscale_range(4,8) {
578; CHECK-LABEL: insert_nxv2i1_v8i1_const_true_into_undef:
579; CHECK:       // %bb.0:
580; CHECK-NEXT:    ptrue p0.d
581; CHECK-NEXT:    ret
582  %v0 = call <vscale x 2 x i1> @llvm.experimental.vector.insert.nxv2i1.v8i1 (<vscale x 2 x i1> undef, <8 x i1> <i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1>, i64 0)
583  ret <vscale x 2 x i1> %v0
584}
585
586define <vscale x 4 x i1> @insert_nxv4i1_v16i1_const_true_into_undef() vscale_range(4,8) {
587; CHECK-LABEL: insert_nxv4i1_v16i1_const_true_into_undef:
588; CHECK:       // %bb.0:
589; CHECK-NEXT:    ptrue p0.s
590; CHECK-NEXT:    ret
591  %v0 = call <vscale x 4 x i1> @llvm.experimental.vector.insert.nxv4i1.v16i1 (<vscale x 4 x i1> undef, <16 x i1> <i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1>, i64 0)
592  ret <vscale x 4 x i1> %v0
593}
594
595define <vscale x 8 x i1> @insert_nxv8i1_v32i1_const_true_into_undef() vscale_range(4,8) {
596; CHECK-LABEL: insert_nxv8i1_v32i1_const_true_into_undef:
597; CHECK:       // %bb.0:
598; CHECK-NEXT:    ptrue p0.h
599; CHECK-NEXT:    ret
600  %v0 = call <vscale x 8 x i1> @llvm.experimental.vector.insert.nxv8i1.v32i1 (<vscale x 8 x i1> undef, <32 x i1> <i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1>, i64 0)
601  ret <vscale x 8 x i1> %v0
602}
603
604define <vscale x 16 x i1> @insert_nxv16i1_v64i1_const_true_into_undef() vscale_range(4,8) {
605; CHECK-LABEL: insert_nxv16i1_v64i1_const_true_into_undef:
606; CHECK:       // %bb.0:
607; CHECK-NEXT:    ptrue p0.b
608; CHECK-NEXT:    ret
609  %v0 = call <vscale x 16 x i1> @llvm.experimental.vector.insert.nxv16i1.v64i1 (<vscale x 16 x i1> undef, <64 x i1> <i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1, i1 1>, i64 0)
610  ret <vscale x 16 x i1> %v0
611}
612
613declare <vscale x 3 x i32> @llvm.experimental.vector.insert.nxv3i32.nxv2i32(<vscale x 3 x i32>, <vscale x 2 x i32>, i64)
614declare <vscale x 3 x float> @llvm.experimental.vector.insert.nxv3f32.nxv2f32(<vscale x 3 x float>, <vscale x 2 x float>, i64)
615declare <vscale x 6 x i32> @llvm.experimental.vector.insert.nxv6i32.nxv2i32(<vscale x 6 x i32>, <vscale x 2 x i32>, i64)
616declare <vscale x 6 x i32> @llvm.experimental.vector.insert.nxv6i32.nxv3i32(<vscale x 6 x i32>, <vscale x 3 x i32>, i64)
617declare <vscale x 12 x i32> @llvm.experimental.vector.insert.nxv4i32.nxv12i32(<vscale x 12 x i32>, <vscale x 4 x i32>, i64)
618declare <vscale x 8 x bfloat> @llvm.experimental.vector.insert.nxv8bf16.nxv8bf16(<vscale x 8 x bfloat>, <vscale x 8 x bfloat>, i64)
619declare <vscale x 8 x bfloat> @llvm.experimental.vector.insert.nxv8bf16.v8bf16(<vscale x 8 x bfloat>, <8 x bfloat>, i64)
620declare <vscale x 4 x bfloat> @llvm.experimental.vector.insert.nxv4bf16.nxv4bf16(<vscale x 4 x bfloat>, <vscale x 4 x bfloat>, i64)
621declare <vscale x 4 x bfloat> @llvm.experimental.vector.insert.nxv4bf16.v4bf16(<vscale x 4 x bfloat>, <4 x bfloat>, i64)
622declare <vscale x 2 x bfloat> @llvm.experimental.vector.insert.nxv2bf16.nxv2bf16(<vscale x 2 x bfloat>, <vscale x 2 x bfloat>, i64)
623
624declare <vscale x 2 x i1> @llvm.experimental.vector.insert.nxv2i1.v8i1(<vscale x 2 x i1>, <8 x i1>, i64)
625declare <vscale x 4 x i1> @llvm.experimental.vector.insert.nxv4i1.v16i1(<vscale x 4 x i1>, <16 x i1>, i64)
626declare <vscale x 8 x i1> @llvm.experimental.vector.insert.nxv8i1.v32i1(<vscale x 8 x i1>, <32 x i1>, i64)
627declare <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv4i1(<vscale x 16 x i1>, <vscale x 4 x i1>, i64)
628declare <vscale x 16 x i1> @llvm.experimental.vector.insert.nx16i1.nxv8i1(<vscale x 16 x i1>, <vscale x 8 x i1>, i64)
629declare <vscale x 16 x i1> @llvm.experimental.vector.insert.nxv16i1.v64i1(<vscale x 16 x i1>, <64 x i1>, i64)
630