1 ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
3 define <8 x i8> @test_vrev64D8(<8 x i8>* %A) nounwind {
6 %tmp1 = load <8 x i8>* %A
7 %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>
11 define <4 x i16> @test_vrev64D16(<4 x i16>* %A) nounwind {
12 ;CHECK: test_vrev64D16:
14 %tmp1 = load <4 x i16>* %A
15 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
19 define <2 x i32> @test_vrev64D32(<2 x i32>* %A) nounwind {
20 ;CHECK: test_vrev64D32:
22 %tmp1 = load <2 x i32>* %A
23 %tmp2 = shufflevector <2 x i32> %tmp1, <2 x i32> undef, <2 x i32> <i32 1, i32 0>
27 define <2 x float> @test_vrev64Df(<2 x float>* %A) nounwind {
28 ;CHECK: test_vrev64Df:
30 %tmp1 = load <2 x float>* %A
31 %tmp2 = shufflevector <2 x float> %tmp1, <2 x float> undef, <2 x i32> <i32 1, i32 0>
35 define <16 x i8> @test_vrev64Q8(<16 x i8>* %A) nounwind {
36 ;CHECK: test_vrev64Q8:
38 %tmp1 = load <16 x i8>* %A
39 %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>
43 define <8 x i16> @test_vrev64Q16(<8 x i16>* %A) nounwind {
44 ;CHECK: test_vrev64Q16:
46 %tmp1 = load <8 x i16>* %A
47 %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>
51 define <4 x i32> @test_vrev64Q32(<4 x i32>* %A) nounwind {
52 ;CHECK: test_vrev64Q32:
54 %tmp1 = load <4 x i32>* %A
55 %tmp2 = shufflevector <4 x i32> %tmp1, <4 x i32> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
59 define <4 x float> @test_vrev64Qf(<4 x float>* %A) nounwind {
60 ;CHECK: test_vrev64Qf:
62 %tmp1 = load <4 x float>* %A
63 %tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
67 define <8 x i8> @test_vrev32D8(<8 x i8>* %A) nounwind {
68 ;CHECK: test_vrev32D8:
70 %tmp1 = load <8 x i8>* %A
71 %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>
75 define <4 x i16> @test_vrev32D16(<4 x i16>* %A) nounwind {
76 ;CHECK: test_vrev32D16:
78 %tmp1 = load <4 x i16>* %A
79 %tmp2 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
83 define <16 x i8> @test_vrev32Q8(<16 x i8>* %A) nounwind {
84 ;CHECK: test_vrev32Q8:
86 %tmp1 = load <16 x i8>* %A
87 %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>
91 define <8 x i16> @test_vrev32Q16(<8 x i16>* %A) nounwind {
92 ;CHECK: test_vrev32Q16:
94 %tmp1 = load <8 x i16>* %A
95 %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>
99 define <8 x i8> @test_vrev16D8(<8 x i8>* %A) nounwind {
100 ;CHECK: test_vrev16D8:
102 %tmp1 = load <8 x i8>* %A
103 %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>
107 define <16 x i8> @test_vrev16Q8(<16 x i8>* %A) nounwind {
108 ;CHECK: test_vrev16Q8:
110 %tmp1 = load <16 x i8>* %A
111 %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>
115 ; Undef shuffle indices should not prevent matching to VREV:
117 define <8 x i8> @test_vrev64D8_undef(<8 x i8>* %A) nounwind {
118 ;CHECK: test_vrev64D8_undef:
120 %tmp1 = load <8 x i8>* %A
121 %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>
125 define <8 x i16> @test_vrev32Q16_undef(<8 x i16>* %A) nounwind {
126 ;CHECK: test_vrev32Q16_undef:
128 %tmp1 = load <8 x i16>* %A
129 %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>
133 ; A vcombine feeding a VREV should not obscure things. Radar 8597007.
135 define void @test_with_vcombine(<4 x float>* %v) nounwind {
136 ;CHECK: test_with_vcombine:
139 %tmp1 = load <4 x float>* %v, align 16
140 %tmp2 = bitcast <4 x float> %tmp1 to <2 x double>
141 %tmp3 = extractelement <2 x double> %tmp2, i32 0
142 %tmp4 = bitcast double %tmp3 to <2 x float>
143 %tmp5 = extractelement <2 x double> %tmp2, i32 1
144 %tmp6 = bitcast double %tmp5 to <2 x float>
145 %tmp7 = fadd <2 x float> %tmp6, %tmp6
146 %tmp8 = shufflevector <2 x float> %tmp4, <2 x float> %tmp7, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
147 store <4 x float> %tmp8, <4 x float>* %v, align 16