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Merge commit '3019b71a7257' from apple/master into swift/master-next
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‎llvm/lib/Target/ARM/ARMInstrNEON.td

Lines changed: 13 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -6797,9 +6797,12 @@ def VREV64q16 : VREV64Q<0b01, "vrev64", "16", v8i16>;
67976797
def VREV64q32 : VREV64Q<0b10, "vrev64", "32", v4i32>;
67986798

67996799
let Predicates = [HasNEON] in {
6800-
def : Pat<(v4f32 (ARMvrev64 (v4f32 QPR:$Vm))), (VREV64q32 QPR:$Vm)>;
6801-
def : Pat<(v8f16 (ARMvrev64 (v8f16 QPR:$Vm))), (VREV64q16 QPR:$Vm)>;
6802-
def : Pat<(v4f16 (ARMvrev64 (v4f16 DPR:$Vm))), (VREV64d16 DPR:$Vm)>;
6800+
def : Pat<(v4f32 (ARMvrev64 (v4f32 QPR:$Vm))),
6801+
(VREV64q32 QPR:$Vm)>;
6802+
def : Pat<(v8f16 (ARMvrev64 (v8f16 QPR:$Vm))),
6803+
(VREV64q16 QPR:$Vm)>;
6804+
def : Pat<(v4f16 (ARMvrev64 (v4f16 DPR:$Vm))),
6805+
(VREV64d16 DPR:$Vm)>;
68036806
}
68046807

68056808
// VREV32 : Vector Reverse elements within 32-bit words
@@ -6821,6 +6824,13 @@ def VREV32d16 : VREV32D<0b01, "vrev32", "16", v4i16>;
68216824
def VREV32q8 : VREV32Q<0b00, "vrev32", "8", v16i8>;
68226825
def VREV32q16 : VREV32Q<0b01, "vrev32", "16", v8i16>;
68236826

6827+
let Predicates = [HasNEON] in {
6828+
def : Pat<(v8f16 (ARMvrev32 (v8f16 QPR:$Vm))),
6829+
(VREV32q16 QPR:$Vm)>;
6830+
def : Pat<(v4f16 (ARMvrev32 (v4f16 DPR:$Vm))),
6831+
(VREV32d16 DPR:$Vm)>;
6832+
}
6833+
68246834
// VREV16 : Vector Reverse elements within 16-bit halfwords
68256835

68266836
class VREV16D<bits<2> op19_18, string OpcodeStr, string Dt, ValueType Ty>

‎llvm/test/CodeGen/ARM/vrev.ll

Lines changed: 202 additions & 41 deletions
Original file line numberDiff line numberDiff line change
@@ -1,112 +1,226 @@
1-
; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
1+
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2+
; RUN: llc -mtriple=arm-eabi -mattr=+neon,+fullfp16 %s -o - | FileCheck %s
23

34
define <8 x i8> @test_vrev64D8(<8 x i8>* %A) nounwind {
4-
;CHECK-LABEL: test_vrev64D8:
5-
;CHECK: vrev64.8
5+
; CHECK-LABEL: test_vrev64D8:
6+
; CHECK: @ %bb.0:
7+
; CHECK-NEXT: vldr d16, [r0]
8+
; CHECK-NEXT: vrev64.8 d16, d16
9+
; CHECK-NEXT: vmov r0, r1, d16
10+
; CHECK-NEXT: mov pc, lr
611
%tmp1 = load <8 x i8>, <8 x i8>* %A
712
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
813
ret <8 x i8> %tmp2
914
}
1015

1116
define <4 x i16> @test_vrev64D16(<4 x i16>* %A) nounwind {
12-
;CHECK-LABEL: test_vrev64D16:
13-
;CHECK: vrev64.16
17+
; CHECK-LABEL: test_vrev64D16:
18+
; CHECK: @ %bb.0:
19+
; CHECK-NEXT: vldr d16, [r0]
20+
; CHECK-NEXT: vrev64.16 d16, d16
21+
; CHECK-NEXT: vmov r0, r1, d16
22+
; CHECK-NEXT: mov pc, lr
1423
%tmp1 = load <4 x i16>, <4 x i16>* %A
1524
%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
1625
ret <4 x i16> %tmp2
1726
}
1827

28+
define <4 x half> @test_vrev64Df16(<4 x half>* %A) nounwind {
29+
; CHECK-LABEL: test_vrev64Df16:
30+
; CHECK: @ %bb.0:
31+
; CHECK-NEXT: vldr d16, [r0]
32+
; CHECK-NEXT: vrev64.16 d16, d16
33+
; CHECK-NEXT: vmov r0, r1, d16
34+
; CHECK-NEXT: mov pc, lr
35+
%tmp1 = load <4 x half>, <4 x half>* %A
36+
%tmp2 = shufflevector <4 x half> %tmp1, <4 x half> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
37+
ret <4 x half> %tmp2
38+
}
39+
1940
define <2 x i32> @test_vrev64D32(<2 x i32>* %A) nounwind {
20-
;CHECK-LABEL: test_vrev64D32:
21-
;CHECK: vrev64.32
41+
; CHECK-LABEL: test_vrev64D32:
42+
; CHECK: @ %bb.0:
43+
; CHECK-NEXT: vldr d16, [r0]
44+
; CHECK-NEXT: vrev64.32 d16, d16
45+
; CHECK-NEXT: vmov r0, r1, d16
46+
; CHECK-NEXT: mov pc, lr
2247
%tmp1 = load <2 x i32>, <2 x i32>* %A
2348
%tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> <i32 1, i32 0>
2449
ret <2 x i32> %tmp2
2550
}
2651

2752
define <2 x float> @test_vrev64Df(<2 x float>* %A) nounwind {
28-
;CHECK-LABEL: test_vrev64Df:
29-
;CHECK: vrev64.32
53+
; CHECK-LABEL: test_vrev64Df:
54+
; CHECK: @ %bb.0:
55+
; CHECK-NEXT: vldr d16, [r0]
56+
; CHECK-NEXT: vrev64.32 d16, d16
57+
; CHECK-NEXT: vmov r0, r1, d16
58+
; CHECK-NEXT: mov pc, lr
3059
%tmp1 = load <2 x float>, <2 x float>* %A
3160
%tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> <i32 1, i32 0>
3261
ret <2 x float> %tmp2
3362
}
3463

3564
define <16 x i8> @test_vrev64Q8(<16 x i8>* %A) nounwind {
36-
;CHECK-LABEL: test_vrev64Q8:
37-
;CHECK: vrev64.8
65+
; CHECK-LABEL: test_vrev64Q8:
66+
; CHECK: @ %bb.0:
67+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
68+
; CHECK-NEXT: vrev64.8 q8, q8
69+
; CHECK-NEXT: vmov r0, r1, d16
70+
; CHECK-NEXT: vmov r2, r3, d17
71+
; CHECK-NEXT: mov pc, lr
3872
%tmp1 = load <16 x i8>, <16 x i8>* %A
3973
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0, i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8>
4074
ret <16 x i8> %tmp2
4175
}
4276

4377
define <8 x i16> @test_vrev64Q16(<8 x i16>* %A) nounwind {
44-
;CHECK-LABEL: test_vrev64Q16:
45-
;CHECK: vrev64.16
78+
; CHECK-LABEL: test_vrev64Q16:
79+
; CHECK: @ %bb.0:
80+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
81+
; CHECK-NEXT: vrev64.16 q8, q8
82+
; CHECK-NEXT: vmov r0, r1, d16
83+
; CHECK-NEXT: vmov r2, r3, d17
84+
; CHECK-NEXT: mov pc, lr
4685
%tmp1 = load <8 x i16>, <8 x i16>* %A
4786
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
4887
ret <8 x i16> %tmp2
4988
}
5089

90+
define <8 x half> @test_vrev64Qf16(<8 x half>* %A) nounwind {
91+
; CHECK-LABEL: test_vrev64Qf16:
92+
; CHECK: @ %bb.0:
93+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
94+
; CHECK-NEXT: vrev64.16 q8, q8
95+
; CHECK-NEXT: vmov r0, r1, d16
96+
; CHECK-NEXT: vmov r2, r3, d17
97+
; CHECK-NEXT: mov pc, lr
98+
%tmp1 = load <8 x half>, <8 x half>* %A
99+
%tmp2 = shufflevector <8 x half> %tmp1, <8 x half> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
100+
ret <8 x half> %tmp2
101+
}
102+
51103
define <4 x i32> @test_vrev64Q32(<4 x i32>* %A) nounwind {
52-
;CHECK-LABEL: test_vrev64Q32:
53-
;CHECK: vrev64.32
104+
; CHECK-LABEL: test_vrev64Q32:
105+
; CHECK: @ %bb.0:
106+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
107+
; CHECK-NEXT: vrev64.32 q8, q8
108+
; CHECK-NEXT: vmov r0, r1, d16
109+
; CHECK-NEXT: vmov r2, r3, d17
110+
; CHECK-NEXT: mov pc, lr
54111
%tmp1 = load <4 x i32>, <4 x i32>* %A
55112
%tmp2 = shufflevector <4 x i32> %tmp1, <4 x i32> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
56113
ret <4 x i32> %tmp2
57114
}
58115

59116
define <4 x float> @test_vrev64Qf(<4 x float>* %A) nounwind {
60-
;CHECK-LABEL: test_vrev64Qf:
61-
;CHECK: vrev64.32
117+
; CHECK-LABEL: test_vrev64Qf:
118+
; CHECK: @ %bb.0:
119+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
120+
; CHECK-NEXT: vrev64.32 q8, q8
121+
; CHECK-NEXT: vmov r0, r1, d16
122+
; CHECK-NEXT: vmov r2, r3, d17
123+
; CHECK-NEXT: mov pc, lr
62124
%tmp1 = load <4 x float>, <4 x float>* %A
63125
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
64126
ret <4 x float> %tmp2
65127
}
66128

67129
define <8 x i8> @test_vrev32D8(<8 x i8>* %A) nounwind {
68-
;CHECK-LABEL: test_vrev32D8:
69-
;CHECK: vrev32.8
130+
; CHECK-LABEL: test_vrev32D8:
131+
; CHECK: @ %bb.0:
132+
; CHECK-NEXT: vldr d16, [r0]
133+
; CHECK-NEXT: vrev32.8 d16, d16
134+
; CHECK-NEXT: vmov r0, r1, d16
135+
; CHECK-NEXT: mov pc, lr
70136
%tmp1 = load <8 x i8>, <8 x i8>* %A
71137
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
72138
ret <8 x i8> %tmp2
73139
}
74140

75141
define <4 x i16> @test_vrev32D16(<4 x i16>* %A) nounwind {
76-
;CHECK-LABEL: test_vrev32D16:
77-
;CHECK: vrev32.16
142+
; CHECK-LABEL: test_vrev32D16:
143+
; CHECK: @ %bb.0:
144+
; CHECK-NEXT: vldr d16, [r0]
145+
; CHECK-NEXT: vrev32.16 d16, d16
146+
; CHECK-NEXT: vmov r0, r1, d16
147+
; CHECK-NEXT: mov pc, lr
78148
%tmp1 = load <4 x i16>, <4 x i16>* %A
79149
%tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
80150
ret <4 x i16> %tmp2
81151
}
82152

153+
define <4 x half> @test_vrev32Df16(<4 x half>* %A) nounwind {
154+
; CHECK-LABEL: test_vrev32Df16:
155+
; CHECK: @ %bb.0:
156+
; CHECK-NEXT: vldr d16, [r0]
157+
; CHECK-NEXT: vrev32.16 d16, d16
158+
; CHECK-NEXT: vmov r0, r1, d16
159+
; CHECK-NEXT: mov pc, lr
160+
%tmp1 = load <4 x half>, <4 x half>* %A
161+
%tmp2 = shufflevector <4 x half> %tmp1, <4 x half> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
162+
ret <4 x half> %tmp2
163+
}
164+
83165
define <16 x i8> @test_vrev32Q8(<16 x i8>* %A) nounwind {
84-
;CHECK-LABEL: test_vrev32Q8:
85-
;CHECK: vrev32.8
166+
; CHECK-LABEL: test_vrev32Q8:
167+
; CHECK: @ %bb.0:
168+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
169+
; CHECK-NEXT: vrev32.8 q8, q8
170+
; CHECK-NEXT: vmov r0, r1, d16
171+
; CHECK-NEXT: vmov r2, r3, d17
172+
; CHECK-NEXT: mov pc, lr
86173
%tmp1 = load <16 x i8>, <16 x i8>* %A
87174
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
88175
ret <16 x i8> %tmp2
89176
}
90177

91178
define <8 x i16> @test_vrev32Q16(<8 x i16>* %A) nounwind {
92-
;CHECK-LABEL: test_vrev32Q16:
93-
;CHECK: vrev32.16
179+
; CHECK-LABEL: test_vrev32Q16:
180+
; CHECK: @ %bb.0:
181+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
182+
; CHECK-NEXT: vrev32.16 q8, q8
183+
; CHECK-NEXT: vmov r0, r1, d16
184+
; CHECK-NEXT: vmov r2, r3, d17
185+
; CHECK-NEXT: mov pc, lr
94186
%tmp1 = load <8 x i16>, <8 x i16>* %A
95187
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>
96188
ret <8 x i16> %tmp2
97189
}
98190

191+
define <8 x half> @test_vrev32Qf16(<8 x half>* %A) nounwind {
192+
; CHECK-LABEL: test_vrev32Qf16:
193+
; CHECK: @ %bb.0:
194+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
195+
; CHECK-NEXT: vrev32.16 q8, q8
196+
; CHECK-NEXT: vmov r0, r1, d16
197+
; CHECK-NEXT: vmov r2, r3, d17
198+
; CHECK-NEXT: mov pc, lr
199+
%tmp1 = load <8 x half>, <8 x half>* %A
200+
%tmp2 = shufflevector <8 x half> %tmp1, <8 x half> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>
201+
ret <8 x half> %tmp2
202+
}
203+
99204
define <8 x i8> @test_vrev16D8(<8 x i8>* %A) nounwind {
100-
;CHECK-LABEL: test_vrev16D8:
101-
;CHECK: vrev16.8
205+
; CHECK-LABEL: test_vrev16D8:
206+
; CHECK: @ %bb.0:
207+
; CHECK-NEXT: vldr d16, [r0]
208+
; CHECK-NEXT: vrev16.8 d16, d16
209+
; CHECK-NEXT: vmov r0, r1, d16
210+
; CHECK-NEXT: mov pc, lr
102211
%tmp1 = load <8 x i8>, <8 x i8>* %A
103212
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6>
104213
ret <8 x i8> %tmp2
105214
}
106215

107216
define <16 x i8> @test_vrev16Q8(<16 x i8>* %A) nounwind {
108-
;CHECK-LABEL: test_vrev16Q8:
109-
;CHECK: vrev16.8
217+
; CHECK-LABEL: test_vrev16Q8:
218+
; CHECK: @ %bb.0:
219+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
220+
; CHECK-NEXT: vrev16.8 q8, q8
221+
; CHECK-NEXT: vmov r0, r1, d16
222+
; CHECK-NEXT: vmov r2, r3, d17
223+
; CHECK-NEXT: mov pc, lr
110224
%tmp1 = load <16 x i8>, <16 x i8>* %A
111225
%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6, i32 9, i32 8, i32 11, i32 10, i32 13, i32 12, i32 15, i32 14>
112226
ret <16 x i8> %tmp2
@@ -115,27 +229,54 @@ define <16 x i8> @test_vrev16Q8(<16 x i8>* %A) nounwind {
115229
; Undef shuffle indices should not prevent matching to VREV:
116230

117231
define <8 x i8> @test_vrev64D8_undef(<8 x i8>* %A) nounwind {
118-
;CHECK-LABEL: test_vrev64D8_undef:
119-
;CHECK: vrev64.8
232+
; CHECK-LABEL: test_vrev64D8_undef:
233+
; CHECK: @ %bb.0:
234+
; CHECK-NEXT: vldr d16, [r0]
235+
; CHECK-NEXT: vrev64.8 d16, d16
236+
; CHECK-NEXT: vmov r0, r1, d16
237+
; CHECK-NEXT: mov pc, lr
120238
%tmp1 = load <8 x i8>, <8 x i8>* %A
121239
%tmp2 = shufflevector <8 x i8> %tmp1, <8 x i8> undef, <8 x i32> <i32 7, i32 undef, i32 undef, i32 4, i32 3, i32 2, i32 1, i32 0>
122240
ret <8 x i8> %tmp2
123241
}
124242

125243
define <8 x i16> @test_vrev32Q16_undef(<8 x i16>* %A) nounwind {
126-
;CHECK-LABEL: test_vrev32Q16_undef:
127-
;CHECK: vrev32.16
244+
; CHECK-LABEL: test_vrev32Q16_undef:
245+
; CHECK: @ %bb.0:
246+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
247+
; CHECK-NEXT: vrev32.16 q8, q8
248+
; CHECK-NEXT: vmov r0, r1, d16
249+
; CHECK-NEXT: vmov r2, r3, d17
250+
; CHECK-NEXT: mov pc, lr
128251
%tmp1 = load <8 x i16>, <8 x i16>* %A
129252
%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 undef, i32 0, i32 undef, i32 2, i32 5, i32 4, i32 7, i32 undef>
130253
ret <8 x i16> %tmp2
131254
}
132255

256+
define <8 x half> @test_vrev32Qf16_undef(<8 x half>* %A) nounwind {
257+
; CHECK-LABEL: test_vrev32Qf16_undef:
258+
; CHECK: @ %bb.0:
259+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0]
260+
; CHECK-NEXT: vrev32.16 q8, q8
261+
; CHECK-NEXT: vmov r0, r1, d16
262+
; CHECK-NEXT: vmov r2, r3, d17
263+
; CHECK-NEXT: mov pc, lr
264+
%tmp1 = load <8 x half>, <8 x half>* %A
265+
%tmp2 = shufflevector <8 x half> %tmp1, <8 x half> undef, <8 x i32> <i32 undef, i32 0, i32 undef, i32 2, i32 5, i32 4, i32 7, i32 undef>
266+
ret <8 x half> %tmp2
267+
}
268+
133269
; A vcombine feeding a VREV should not obscure things. Radar 8597007.
134270

135271
define void @test_with_vcombine(<4 x float>* %v) nounwind {
136-
;CHECK-LABEL: test_with_vcombine:
137-
;CHECK-NOT: vext
138-
;CHECK: vrev64.32
272+
; CHECK-LABEL: test_with_vcombine:
273+
; CHECK: @ %bb.0:
274+
; CHECK-NEXT: vld1.64 {d16, d17}, [r0:128]
275+
; CHECK-NEXT: vadd.f32 d18, d17, d17
276+
; CHECK-NEXT: vrev64.32 d16, d16
277+
; CHECK-NEXT: vrev64.32 d17, d18
278+
; CHECK-NEXT: vst1.64 {d16, d17}, [r0:128]
279+
; CHECK-NEXT: mov pc, lr
139280
%tmp1 = load <4 x float>, <4 x float>* %v, align 16
140281
%tmp2 = bitcast <4 x float> %tmp1 to <2 x double>
141282
%tmp3 = extractelement <2 x double> %tmp2, i32 0
@@ -152,7 +293,15 @@ define void @test_with_vcombine(<4 x float>* %v) nounwind {
152293
; to <2 x i16> when stored to memory.
153294
define void @test_vrev64(<4 x i16>* nocapture %source, <2 x i16>* nocapture %dst) nounwind ssp {
154295
; CHECK-LABEL: test_vrev64:
155-
; CHECK: vst1.32
296+
; CHECK: @ %bb.0: @ %entry
297+
; CHECK-NEXT: vld1.32 {d16, d17}, [r0]
298+
; CHECK-NEXT: vmov.u16 r0, d17[2]
299+
; CHECK-NEXT: vmov.u16 r2, d17[1]
300+
; CHECK-NEXT: vmov.32 d16[0], r0
301+
; CHECK-NEXT: vmov.32 d16[1], r2
302+
; CHECK-NEXT: vuzp.16 d16, d17
303+
; CHECK-NEXT: vst1.32 {d16[0]}, [r1:32]
304+
; CHECK-NEXT: mov pc, lr
156305
entry:
157306
%0 = bitcast <4 x i16>* %source to <8 x i16>*
158307
%tmp2 = load <8 x i16>, <8 x i16>* %0, align 4
@@ -166,9 +315,15 @@ entry:
166315

167316
; Test vrev of float4
168317
define void @float_vrev64(float* nocapture %source, <4 x float>* nocapture %dest) nounwind noinline ssp {
169-
; CHECK: float_vrev64
170-
; CHECK: vext.32
171-
; CHECK: vrev64.32
318+
; CHECK-LABEL: float_vrev64:
319+
; CHECK: @ %bb.0: @ %entry
320+
; CHECK-NEXT: vmov.i32 q8, #0x0
321+
; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
322+
; CHECK-NEXT: add r0, r1, #176
323+
; CHECK-NEXT: vext.32 q8, q9, q8, #3
324+
; CHECK-NEXT: vrev64.32 q8, q8
325+
; CHECK-NEXT: vst1.32 {d16, d17}, [r0]
326+
; CHECK-NEXT: mov pc, lr
172327
entry:
173328
%0 = bitcast float* %source to <4 x float>*
174329
%tmp2 = load <4 x float>, <4 x float>* %0, align 4
@@ -180,7 +335,13 @@ entry:
180335

181336
define <4 x i32> @test_vrev32_bswap(<4 x i32> %source) nounwind {
182337
; CHECK-LABEL: test_vrev32_bswap:
183-
; CHECK: vrev32.8
338+
; CHECK: @ %bb.0:
339+
; CHECK-NEXT: vmov d17, r2, r3
340+
; CHECK-NEXT: vmov d16, r0, r1
341+
; CHECK-NEXT: vrev32.8 q8, q8
342+
; CHECK-NEXT: vmov r0, r1, d16
343+
; CHECK-NEXT: vmov r2, r3, d17
344+
; CHECK-NEXT: mov pc, lr
184345
%bswap = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %source)
185346
ret <4 x i32> %bswap
186347
}

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