Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / llvm / test / CodeGen / X86 / bswap-vector.ll
blobcb8d8671ff8e806da5eb1a4d9da7cb463b039ae0
1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=i686-unknown-linux-gnu -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK-ALL,CHECK-SSE,CHECK-NOSSSE3,CHECK-SSE-X86
3 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefixes=CHECK-ALL,CHECK-SSE,CHECK-SSE-X64,CHECK-NOSSSE3
4 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+ssse3 | FileCheck %s --check-prefixes=CHECK-ALL,CHECK-SSE,CHECK-SSE-X64,CHECK-SSSE3
5 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK-ALL,CHECK-AVX
7 declare <8 x i16> @llvm.bswap.v8i16(<8 x i16>)
8 declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>)
9 declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
11 define <8 x i16> @test1(<8 x i16> %v) {
12 ; CHECK-NOSSSE3-LABEL: test1:
13 ; CHECK-NOSSSE3:       # %bb.0: # %entry
14 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm1
15 ; CHECK-NOSSSE3-NEXT:    psrlw $8, %xmm1
16 ; CHECK-NOSSSE3-NEXT:    psllw $8, %xmm0
17 ; CHECK-NOSSSE3-NEXT:    por %xmm1, %xmm0
18 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
20 ; CHECK-SSSE3-LABEL: test1:
21 ; CHECK-SSSE3:       # %bb.0: # %entry
22 ; CHECK-SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14]
23 ; CHECK-SSSE3-NEXT:    retq
25 ; CHECK-AVX-LABEL: test1:
26 ; CHECK-AVX:       # %bb.0: # %entry
27 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14]
28 ; CHECK-AVX-NEXT:    retq
29 entry:
30   %r = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %v)
31   ret <8 x i16> %r
34 define <4 x i32> @test2(<4 x i32> %v) {
35 ; CHECK-NOSSSE3-LABEL: test2:
36 ; CHECK-NOSSSE3:       # %bb.0:
37 ; CHECK-NOSSSE3-NEXT:    pxor %xmm1, %xmm1
38 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm2
39 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
40 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[3,2,1,0,4,5,6,7]
41 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,7,6,5,4]
42 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
43 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
44 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
45 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm2, %xmm0
46 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
48 ; CHECK-SSSE3-LABEL: test2:
49 ; CHECK-SSSE3:       # %bb.0:
50 ; CHECK-SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12]
51 ; CHECK-SSSE3-NEXT:    retq
53 ; CHECK-AVX-LABEL: test2:
54 ; CHECK-AVX:       # %bb.0:
55 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12]
56 ; CHECK-AVX-NEXT:    retq
57   %r = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %v)
58   ret <4 x i32> %r
61 define <4 x i32> @or_bswap(<4 x i32> %x, <4 x i32> %y, ptr %p1, ptr %p2) {
62 ; CHECK-NOSSSE3-LABEL: or_bswap:
63 ; CHECK-NOSSSE3:       # %bb.0:
64 ; CHECK-NOSSSE3-NEXT:    por %xmm1, %xmm0
65 ; CHECK-NOSSSE3-NEXT:    pxor %xmm1, %xmm1
66 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm2
67 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
68 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[3,2,1,0,4,5,6,7]
69 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,7,6,5,4]
70 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
71 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
72 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
73 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm2, %xmm0
74 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
76 ; CHECK-SSSE3-LABEL: or_bswap:
77 ; CHECK-SSSE3:       # %bb.0:
78 ; CHECK-SSSE3-NEXT:    por %xmm1, %xmm0
79 ; CHECK-SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12]
80 ; CHECK-SSSE3-NEXT:    retq
82 ; CHECK-AVX-LABEL: or_bswap:
83 ; CHECK-AVX:       # %bb.0:
84 ; CHECK-AVX-NEXT:    vpor %xmm1, %xmm0, %xmm0
85 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12]
86 ; CHECK-AVX-NEXT:    retq
87   %xt = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %x)
88   %yt = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %y)
89   %r = or <4 x i32> %xt, %yt
90   ret <4 x i32> %r
93 define <2 x i64> @test3(<2 x i64> %v) {
94 ; CHECK-NOSSSE3-LABEL: test3:
95 ; CHECK-NOSSSE3:       # %bb.0: # %entry
96 ; CHECK-NOSSSE3-NEXT:    pxor %xmm1, %xmm1
97 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm2
98 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm1[8],xmm2[9],xmm1[9],xmm2[10],xmm1[10],xmm2[11],xmm1[11],xmm2[12],xmm1[12],xmm2[13],xmm1[13],xmm2[14],xmm1[14],xmm2[15],xmm1[15]
99 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[2,3,0,1]
100 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[3,2,1,0,4,5,6,7]
101 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,7,6,5,4]
102 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
103 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
104 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
105 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
106 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm2, %xmm0
107 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
109 ; CHECK-SSSE3-LABEL: test3:
110 ; CHECK-SSSE3:       # %bb.0: # %entry
111 ; CHECK-SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8]
112 ; CHECK-SSSE3-NEXT:    retq
114 ; CHECK-AVX-LABEL: test3:
115 ; CHECK-AVX:       # %bb.0: # %entry
116 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8]
117 ; CHECK-AVX-NEXT:    retq
118 entry:
119   %r = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %v)
120   ret <2 x i64> %r
123 declare <16 x i16> @llvm.bswap.v16i16(<16 x i16>)
124 declare <8 x i32> @llvm.bswap.v8i32(<8 x i32>)
125 declare <4 x i64> @llvm.bswap.v4i64(<4 x i64>)
127 define <16 x i16> @test4(<16 x i16> %v) {
128 ; CHECK-NOSSSE3-LABEL: test4:
129 ; CHECK-NOSSSE3:       # %bb.0: # %entry
130 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm2
131 ; CHECK-NOSSSE3-NEXT:    psrlw $8, %xmm2
132 ; CHECK-NOSSSE3-NEXT:    psllw $8, %xmm0
133 ; CHECK-NOSSSE3-NEXT:    por %xmm2, %xmm0
134 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm1, %xmm2
135 ; CHECK-NOSSSE3-NEXT:    psrlw $8, %xmm2
136 ; CHECK-NOSSSE3-NEXT:    psllw $8, %xmm1
137 ; CHECK-NOSSSE3-NEXT:    por %xmm2, %xmm1
138 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
140 ; CHECK-SSSE3-LABEL: test4:
141 ; CHECK-SSSE3:       # %bb.0: # %entry
142 ; CHECK-SSSE3-NEXT:    movdqa {{.*#+}} xmm2 = [1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14]
143 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm0
144 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm1
145 ; CHECK-SSSE3-NEXT:    retq
147 ; CHECK-AVX-LABEL: test4:
148 ; CHECK-AVX:       # %bb.0: # %entry
149 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14,17,16,19,18,21,20,23,22,25,24,27,26,29,28,31,30]
150 ; CHECK-AVX-NEXT:    retq
151 entry:
152   %r = call <16 x i16> @llvm.bswap.v16i16(<16 x i16> %v)
153   ret <16 x i16> %r
156 define <8 x i32> @test5(<8 x i32> %v) {
157 ; CHECK-NOSSSE3-LABEL: test5:
158 ; CHECK-NOSSSE3:       # %bb.0: # %entry
159 ; CHECK-NOSSSE3-NEXT:    pxor %xmm2, %xmm2
160 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm3
161 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
162 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[3,2,1,0,4,5,6,7]
163 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,7,6,5,4]
164 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
165 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
166 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
167 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm3, %xmm0
168 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm1, %xmm3
169 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
170 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[3,2,1,0,4,5,6,7]
171 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,7,6,5,4]
172 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1],xmm1[2],xmm2[2],xmm1[3],xmm2[3],xmm1[4],xmm2[4],xmm1[5],xmm2[5],xmm1[6],xmm2[6],xmm1[7],xmm2[7]
173 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[3,2,1,0,4,5,6,7]
174 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,7,6,5,4]
175 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm3, %xmm1
176 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
178 ; CHECK-SSSE3-LABEL: test5:
179 ; CHECK-SSSE3:       # %bb.0: # %entry
180 ; CHECK-SSSE3-NEXT:    movdqa {{.*#+}} xmm2 = [3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12]
181 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm0
182 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm1
183 ; CHECK-SSSE3-NEXT:    retq
185 ; CHECK-AVX-LABEL: test5:
186 ; CHECK-AVX:       # %bb.0: # %entry
187 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12,19,18,17,16,23,22,21,20,27,26,25,24,31,30,29,28]
188 ; CHECK-AVX-NEXT:    retq
189 entry:
190   %r = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> %v)
191   ret <8 x i32> %r
194 define <4 x i64> @test6(<4 x i64> %v) {
195 ; CHECK-NOSSSE3-LABEL: test6:
196 ; CHECK-NOSSSE3:       # %bb.0: # %entry
197 ; CHECK-NOSSSE3-NEXT:    pxor %xmm2, %xmm2
198 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm3
199 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
200 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[2,3,0,1]
201 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[3,2,1,0,4,5,6,7]
202 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,7,6,5,4]
203 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
204 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
205 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
206 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
207 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm3, %xmm0
208 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm1, %xmm3
209 ; CHECK-NOSSSE3-NEXT:    punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
210 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[2,3,0,1]
211 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[3,2,1,0,4,5,6,7]
212 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,7,6,5,4]
213 ; CHECK-NOSSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1],xmm1[2],xmm2[2],xmm1[3],xmm2[3],xmm1[4],xmm2[4],xmm1[5],xmm2[5],xmm1[6],xmm2[6],xmm1[7],xmm2[7]
214 ; CHECK-NOSSSE3-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
215 ; CHECK-NOSSSE3-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[3,2,1,0,4,5,6,7]
216 ; CHECK-NOSSSE3-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,7,6,5,4]
217 ; CHECK-NOSSSE3-NEXT:    packuswb %xmm3, %xmm1
218 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
220 ; CHECK-SSSE3-LABEL: test6:
221 ; CHECK-SSSE3:       # %bb.0: # %entry
222 ; CHECK-SSSE3-NEXT:    movdqa {{.*#+}} xmm2 = [7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8]
223 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm0
224 ; CHECK-SSSE3-NEXT:    pshufb %xmm2, %xmm1
225 ; CHECK-SSSE3-NEXT:    retq
227 ; CHECK-AVX-LABEL: test6:
228 ; CHECK-AVX:       # %bb.0: # %entry
229 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,23,22,21,20,19,18,17,16,31,30,29,28,27,26,25,24]
230 ; CHECK-AVX-NEXT:    retq
231 entry:
232   %r = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> %v)
233   ret <4 x i64> %r
236 declare <4 x i16> @llvm.bswap.v4i16(<4 x i16>)
238 define <4 x i16> @test7(<4 x i16> %v) {
239 ; CHECK-NOSSSE3-LABEL: test7:
240 ; CHECK-NOSSSE3:       # %bb.0: # %entry
241 ; CHECK-NOSSSE3-NEXT:    movdqa %xmm0, %xmm1
242 ; CHECK-NOSSSE3-NEXT:    psrlw $8, %xmm1
243 ; CHECK-NOSSSE3-NEXT:    psllw $8, %xmm0
244 ; CHECK-NOSSSE3-NEXT:    por %xmm1, %xmm0
245 ; CHECK-NOSSSE3-NEXT:    ret{{[l|q]}}
247 ; CHECK-SSSE3-LABEL: test7:
248 ; CHECK-SSSE3:       # %bb.0: # %entry
249 ; CHECK-SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14]
250 ; CHECK-SSSE3-NEXT:    retq
252 ; CHECK-AVX-LABEL: test7:
253 ; CHECK-AVX:       # %bb.0: # %entry
254 ; CHECK-AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[1,0,3,2,5,4,7,6,9,8,11,10,13,12,15,14]
255 ; CHECK-AVX-NEXT:    retq
256 entry:
257   %r = call <4 x i16> @llvm.bswap.v4i16(<4 x i16> %v)
258   ret <4 x i16> %r
262 ; Double BSWAP -> Identity
265 define <8 x i16> @identity_v8i16(<8 x i16> %v) {
266 ; CHECK-ALL-LABEL: identity_v8i16:
267 ; CHECK-ALL:       # %bb.0: # %entry
268 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
269 entry:
270   %bs1 = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %v)
271   %bs2 = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %bs1)
272   ret <8 x i16> %bs2
275 define <4 x i32> @identity_v4i32(<4 x i32> %v) {
276 ; CHECK-ALL-LABEL: identity_v4i32:
277 ; CHECK-ALL:       # %bb.0: # %entry
278 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
279 entry:
280   %bs1 = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %v)
281   %bs2 = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %bs1)
282   ret <4 x i32> %bs2
285 define <2 x i64> @identity_v2i64(<2 x i64> %v) {
286 ; CHECK-ALL-LABEL: identity_v2i64:
287 ; CHECK-ALL:       # %bb.0: # %entry
288 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
289 entry:
290   %bs1 = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %v)
291   %bs2 = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %bs1)
292   ret <2 x i64> %bs2
295 define <16 x i16> @identity_v16i16(<16 x i16> %v) {
296 ; CHECK-ALL-LABEL: identity_v16i16:
297 ; CHECK-ALL:       # %bb.0: # %entry
298 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
299 entry:
300   %bs1 = call <16 x i16> @llvm.bswap.v16i16(<16 x i16> %v)
301   %bs2 = call <16 x i16> @llvm.bswap.v16i16(<16 x i16> %bs1)
302   ret <16 x i16> %bs2
305 define <8 x i32> @identity_v8i32(<8 x i32> %v) {
306 ; CHECK-ALL-LABEL: identity_v8i32:
307 ; CHECK-ALL:       # %bb.0: # %entry
308 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
309 entry:
310   %bs1 = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> %v)
311   %bs2 = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> %bs1)
312   ret <8 x i32> %bs2
315 define <4 x i64> @identity_v4i64(<4 x i64> %v) {
316 ; CHECK-ALL-LABEL: identity_v4i64:
317 ; CHECK-ALL:       # %bb.0: # %entry
318 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
319 entry:
320   %bs1 = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> %v)
321   %bs2 = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> %bs1)
322   ret <4 x i64> %bs2
325 define <4 x i16> @identity_v4i16(<4 x i16> %v) {
326 ; CHECK-ALL-LABEL: identity_v4i16:
327 ; CHECK-ALL:       # %bb.0: # %entry
328 ; CHECK-ALL-NEXT:    ret{{[l|q]}}
329 entry:
330   %bs1 = call <4 x i16> @llvm.bswap.v4i16(<4 x i16> %v)
331   %bs2 = call <4 x i16> @llvm.bswap.v4i16(<4 x i16> %bs1)
332   ret <4 x i16> %bs2
336 ; Constant Folding
339 define <8 x i16> @fold_v8i16() {
340 ; CHECK-SSE-LABEL: fold_v8i16:
341 ; CHECK-SSE:       # %bb.0: # %entry
342 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm0 = [0,256,65535,512,65023,1024,64511,1536]
343 ; CHECK-SSE-NEXT:    ret{{[l|q]}}
345 ; CHECK-AVX-LABEL: fold_v8i16:
346 ; CHECK-AVX:       # %bb.0: # %entry
347 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} xmm0 = [0,256,65535,512,65023,1024,64511,1536]
348 ; CHECK-AVX-NEXT:    retq
349 entry:
350   %r = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> <i16 0, i16 1, i16 -1, i16 2, i16 -3, i16 4, i16 -5, i16 6>)
351   ret <8 x i16> %r
354 define <4 x i32> @fold_v4i32() {
355 ; CHECK-SSE-LABEL: fold_v4i32:
356 ; CHECK-SSE:       # %bb.0: # %entry
357 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm0 = [0,4294967295,33554432,4261412863]
358 ; CHECK-SSE-NEXT:    ret{{[l|q]}}
360 ; CHECK-AVX-LABEL: fold_v4i32:
361 ; CHECK-AVX:       # %bb.0: # %entry
362 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} xmm0 = [0,4294967295,33554432,4261412863]
363 ; CHECK-AVX-NEXT:    retq
364 entry:
365   %r = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> <i32 0, i32 -1, i32 2, i32 -3>)
366   ret <4 x i32> %r
369 define <2 x i64> @fold_v2i64() {
370 ; CHECK-SSE-X86-LABEL: fold_v2i64:
371 ; CHECK-SSE-X86:       # %bb.0: # %entry
372 ; CHECK-SSE-X86-NEXT:    movaps {{.*#+}} xmm0 = [0,4278190080,4294967295,4294967295]
373 ; CHECK-SSE-X86-NEXT:    retl
375 ; CHECK-SSE-X64-LABEL: fold_v2i64:
376 ; CHECK-SSE-X64:       # %bb.0: # %entry
377 ; CHECK-SSE-X64-NEXT:    movaps {{.*#+}} xmm0 = [18374686479671623680,18446744073709551615]
378 ; CHECK-SSE-X64-NEXT:    retq
380 ; CHECK-AVX-LABEL: fold_v2i64:
381 ; CHECK-AVX:       # %bb.0: # %entry
382 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} xmm0 = [18374686479671623680,18446744073709551615]
383 ; CHECK-AVX-NEXT:    retq
384 entry:
385   %r = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> <i64 255, i64 -1>)
386   ret <2 x i64> %r
389 define <16 x i16> @fold_v16i16() {
390 ; CHECK-SSE-LABEL: fold_v16i16:
391 ; CHECK-SSE:       # %bb.0: # %entry
392 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm0 = [0,256,65535,512,65023,1024,64511,1536]
393 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm1 = [63999,2048,63487,2560,62975,3072,62463,3584]
394 ; CHECK-SSE-NEXT:    ret{{[l|q]}}
396 ; CHECK-AVX-LABEL: fold_v16i16:
397 ; CHECK-AVX:       # %bb.0: # %entry
398 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} ymm0 = [0,256,65535,512,65023,1024,64511,1536,63999,2048,63487,2560,62975,3072,62463,3584]
399 ; CHECK-AVX-NEXT:    retq
400 entry:
401   %r = call <16 x i16> @llvm.bswap.v16i16(<16 x i16> <i16 0, i16 1, i16 -1, i16 2, i16 -3, i16 4, i16 -5, i16 6, i16 -7, i16 8, i16 -9, i16 10, i16 -11, i16 12, i16 -13, i16 14>)
402   ret <16 x i16> %r
405 define <8 x i32> @fold_v8i32() {
406 ; CHECK-SSE-LABEL: fold_v8i32:
407 ; CHECK-SSE:       # %bb.0: # %entry
408 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm0 = [0,16777216,4294967295,33554432]
409 ; CHECK-SSE-NEXT:    movaps {{.*#+}} xmm1 = [4261412863,67108864,4227858431,100663296]
410 ; CHECK-SSE-NEXT:    ret{{[l|q]}}
412 ; CHECK-AVX-LABEL: fold_v8i32:
413 ; CHECK-AVX:       # %bb.0: # %entry
414 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} ymm0 = [0,16777216,4294967295,33554432,4261412863,67108864,4227858431,100663296]
415 ; CHECK-AVX-NEXT:    retq
416 entry:
417   %r = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> <i32 0, i32 1, i32 -1, i32 2, i32 -3, i32 4, i32 -5, i32 6>)
418   ret <8 x i32> %r
421 define <4 x i64> @fold_v4i64() {
422 ; CHECK-SSE-X86-LABEL: fold_v4i64:
423 ; CHECK-SSE-X86:       # %bb.0: # %entry
424 ; CHECK-SSE-X86-NEXT:    movaps {{.*#+}} xmm0 = [0,4278190080,4294967295,4294967295]
425 ; CHECK-SSE-X86-NEXT:    movaps {{.*#+}} xmm1 = [0,4294901760,0,16776960]
426 ; CHECK-SSE-X86-NEXT:    retl
428 ; CHECK-SSE-X64-LABEL: fold_v4i64:
429 ; CHECK-SSE-X64:       # %bb.0: # %entry
430 ; CHECK-SSE-X64-NEXT:    movaps {{.*#+}} xmm0 = [18374686479671623680,18446744073709551615]
431 ; CHECK-SSE-X64-NEXT:    movaps {{.*#+}} xmm1 = [18446462598732840960,72056494526300160]
432 ; CHECK-SSE-X64-NEXT:    retq
434 ; CHECK-AVX-LABEL: fold_v4i64:
435 ; CHECK-AVX:       # %bb.0: # %entry
436 ; CHECK-AVX-NEXT:    vmovaps {{.*#+}} ymm0 = [18374686479671623680,18446744073709551615,18446462598732840960,72056494526300160]
437 ; CHECK-AVX-NEXT:    retq
438 entry:
439   %r = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> <i64 255, i64 -1, i64 65535, i64 16776960>)
440   ret <4 x i64> %r