1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+sse3 | FileCheck %s --check-prefix=SSE 3 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+avx | FileCheck %s --check-prefix=AVX 4 5 ; Verify that we correctly generate 'addsub' instructions from 6 ; a sequence of vector extracts + float add/sub + vector inserts. 7 8 define <4 x float> @test1(<4 x float> %A, <4 x float> %B) { 9 ; SSE-LABEL: test1: 10 ; SSE: # BB#0: 11 ; SSE-NEXT: addsubps %xmm1, %xmm0 12 ; SSE-NEXT: retq 13 ; 14 ; AVX-LABEL: test1: 15 ; AVX: # BB#0: 16 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 17 ; AVX-NEXT: retq 18 %1 = extractelement <4 x float> %A, i32 0 19 %2 = extractelement <4 x float> %B, i32 0 20 %sub = fsub float %1, %2 21 %3 = extractelement <4 x float> %A, i32 2 22 %4 = extractelement <4 x float> %B, i32 2 23 %sub2 = fsub float %3, %4 24 %5 = extractelement <4 x float> %A, i32 1 25 %6 = extractelement <4 x float> %B, i32 1 26 %add = fadd float %5, %6 27 %7 = extractelement <4 x float> %A, i32 3 28 %8 = extractelement <4 x float> %B, i32 3 29 %add2 = fadd float %7, %8 30 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 1 31 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 3 32 %vecinsert3 = insertelement <4 x float> %vecinsert2, float %sub, i32 0 33 %vecinsert4 = insertelement <4 x float> %vecinsert3, float %sub2, i32 2 34 ret <4 x float> %vecinsert4 35 } 36 37 define <4 x float> @test2(<4 x float> %A, <4 x float> %B) { 38 ; SSE-LABEL: test2: 39 ; SSE: # BB#0: 40 ; SSE-NEXT: addsubps %xmm1, %xmm0 41 ; SSE-NEXT: retq 42 ; 43 ; AVX-LABEL: test2: 44 ; AVX: # BB#0: 45 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 46 ; AVX-NEXT: retq 47 %1 = extractelement <4 x float> %A, i32 2 48 %2 = extractelement <4 x float> %B, i32 2 49 %sub2 = fsub float %1, %2 50 %3 = extractelement <4 x float> %A, i32 3 51 %4 = extractelement <4 x float> %B, i32 3 52 %add2 = fadd float %3, %4 53 %vecinsert1 = insertelement <4 x float> undef, float %sub2, i32 2 54 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 3 55 ret <4 x float> %vecinsert2 56 } 57 58 define <4 x float> @test3(<4 x float> %A, <4 x float> %B) { 59 ; SSE-LABEL: test3: 60 ; SSE: # BB#0: 61 ; SSE-NEXT: addsubps %xmm1, %xmm0 62 ; SSE-NEXT: retq 63 ; 64 ; AVX-LABEL: test3: 65 ; AVX: # BB#0: 66 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 67 ; AVX-NEXT: retq 68 %1 = extractelement <4 x float> %A, i32 0 69 %2 = extractelement <4 x float> %B, i32 0 70 %sub = fsub float %1, %2 71 %3 = extractelement <4 x float> %A, i32 3 72 %4 = extractelement <4 x float> %B, i32 3 73 %add = fadd float %4, %3 74 %vecinsert1 = insertelement <4 x float> undef, float %sub, i32 0 75 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add, i32 3 76 ret <4 x float> %vecinsert2 77 } 78 79 define <4 x float> @test4(<4 x float> %A, <4 x float> %B) { 80 ; SSE-LABEL: test4: 81 ; SSE: # BB#0: 82 ; SSE-NEXT: addsubps %xmm1, %xmm0 83 ; SSE-NEXT: retq 84 ; 85 ; AVX-LABEL: test4: 86 ; AVX: # BB#0: 87 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 88 ; AVX-NEXT: retq 89 %1 = extractelement <4 x float> %A, i32 2 90 %2 = extractelement <4 x float> %B, i32 2 91 %sub = fsub float %1, %2 92 %3 = extractelement <4 x float> %A, i32 1 93 %4 = extractelement <4 x float> %B, i32 1 94 %add = fadd float %3, %4 95 %vecinsert1 = insertelement <4 x float> undef, float %sub, i32 2 96 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add, i32 1 97 ret <4 x float> %vecinsert2 98 } 99 100 define <4 x float> @test5(<4 x float> %A, <4 x float> %B) { 101 ; SSE-LABEL: test5: 102 ; SSE: # BB#0: 103 ; SSE-NEXT: addsubps %xmm1, %xmm0 104 ; SSE-NEXT: retq 105 ; 106 ; AVX-LABEL: test5: 107 ; AVX: # BB#0: 108 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 109 ; AVX-NEXT: retq 110 %1 = extractelement <4 x float> %A, i32 0 111 %2 = extractelement <4 x float> %B, i32 0 112 %sub2 = fsub float %1, %2 113 %3 = extractelement <4 x float> %A, i32 1 114 %4 = extractelement <4 x float> %B, i32 1 115 %add2 = fadd float %3, %4 116 %vecinsert1 = insertelement <4 x float> undef, float %sub2, i32 0 117 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 1 118 ret <4 x float> %vecinsert2 119 } 120 121 define <4 x float> @test6(<4 x float> %A, <4 x float> %B) { 122 ; SSE-LABEL: test6: 123 ; SSE: # BB#0: 124 ; SSE-NEXT: addsubps %xmm1, %xmm0 125 ; SSE-NEXT: retq 126 ; 127 ; AVX-LABEL: test6: 128 ; AVX: # BB#0: 129 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 130 ; AVX-NEXT: retq 131 %1 = extractelement <4 x float> %A, i32 0 132 %2 = extractelement <4 x float> %B, i32 0 133 %sub = fsub float %1, %2 134 %3 = extractelement <4 x float> %A, i32 2 135 %4 = extractelement <4 x float> %B, i32 2 136 %sub2 = fsub float %3, %4 137 %5 = extractelement <4 x float> %A, i32 1 138 %6 = extractelement <4 x float> %B, i32 1 139 %add = fadd float %5, %6 140 %7 = extractelement <4 x float> %A, i32 3 141 %8 = extractelement <4 x float> %B, i32 3 142 %add2 = fadd float %7, %8 143 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 1 144 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 3 145 %vecinsert3 = insertelement <4 x float> %vecinsert2, float %sub, i32 0 146 %vecinsert4 = insertelement <4 x float> %vecinsert3, float %sub2, i32 2 147 ret <4 x float> %vecinsert4 148 } 149 150 define <4 x double> @test7(<4 x double> %A, <4 x double> %B) { 151 ; SSE-LABEL: test7: 152 ; SSE: # BB#0: 153 ; SSE-NEXT: addsubpd %xmm2, %xmm0 154 ; SSE-NEXT: addsubpd %xmm3, %xmm1 155 ; SSE-NEXT: retq 156 ; 157 ; AVX-LABEL: test7: 158 ; AVX: # BB#0: 159 ; AVX-NEXT: vaddsubpd %ymm1, %ymm0, %ymm0 160 ; AVX-NEXT: retq 161 %1 = extractelement <4 x double> %A, i32 0 162 %2 = extractelement <4 x double> %B, i32 0 163 %sub = fsub double %1, %2 164 %3 = extractelement <4 x double> %A, i32 2 165 %4 = extractelement <4 x double> %B, i32 2 166 %sub2 = fsub double %3, %4 167 %5 = extractelement <4 x double> %A, i32 1 168 %6 = extractelement <4 x double> %B, i32 1 169 %add = fadd double %5, %6 170 %7 = extractelement <4 x double> %A, i32 3 171 %8 = extractelement <4 x double> %B, i32 3 172 %add2 = fadd double %7, %8 173 %vecinsert1 = insertelement <4 x double> undef, double %add, i32 1 174 %vecinsert2 = insertelement <4 x double> %vecinsert1, double %add2, i32 3 175 %vecinsert3 = insertelement <4 x double> %vecinsert2, double %sub, i32 0 176 %vecinsert4 = insertelement <4 x double> %vecinsert3, double %sub2, i32 2 177 ret <4 x double> %vecinsert4 178 } 179 180 define <2 x double> @test8(<2 x double> %A, <2 x double> %B) { 181 ; SSE-LABEL: test8: 182 ; SSE: # BB#0: 183 ; SSE-NEXT: addsubpd %xmm1, %xmm0 184 ; SSE-NEXT: retq 185 ; 186 ; AVX-LABEL: test8: 187 ; AVX: # BB#0: 188 ; AVX-NEXT: vaddsubpd %xmm1, %xmm0, %xmm0 189 ; AVX-NEXT: retq 190 %1 = extractelement <2 x double> %A, i32 0 191 %2 = extractelement <2 x double> %B, i32 0 192 %sub = fsub double %1, %2 193 %3 = extractelement <2 x double> %A, i32 1 194 %4 = extractelement <2 x double> %B, i32 1 195 %add = fadd double %3, %4 196 %vecinsert1 = insertelement <2 x double> undef, double %sub, i32 0 197 %vecinsert2 = insertelement <2 x double> %vecinsert1, double %add, i32 1 198 ret <2 x double> %vecinsert2 199 } 200 201 define <8 x float> @test9(<8 x float> %A, <8 x float> %B) { 202 ; SSE-LABEL: test9: 203 ; SSE: # BB#0: 204 ; SSE-NEXT: addsubps %xmm2, %xmm0 205 ; SSE-NEXT: addsubps %xmm3, %xmm1 206 ; SSE-NEXT: retq 207 ; 208 ; AVX-LABEL: test9: 209 ; AVX: # BB#0: 210 ; AVX-NEXT: vaddsubps %ymm1, %ymm0, %ymm0 211 ; AVX-NEXT: retq 212 %1 = extractelement <8 x float> %A, i32 0 213 %2 = extractelement <8 x float> %B, i32 0 214 %sub = fsub float %1, %2 215 %3 = extractelement <8 x float> %A, i32 2 216 %4 = extractelement <8 x float> %B, i32 2 217 %sub2 = fsub float %3, %4 218 %5 = extractelement <8 x float> %A, i32 1 219 %6 = extractelement <8 x float> %B, i32 1 220 %add = fadd float %5, %6 221 %7 = extractelement <8 x float> %A, i32 3 222 %8 = extractelement <8 x float> %B, i32 3 223 %add2 = fadd float %7, %8 224 %9 = extractelement <8 x float> %A, i32 4 225 %10 = extractelement <8 x float> %B, i32 4 226 %sub3 = fsub float %9, %10 227 %11 = extractelement <8 x float> %A, i32 6 228 %12 = extractelement <8 x float> %B, i32 6 229 %sub4 = fsub float %11, %12 230 %13 = extractelement <8 x float> %A, i32 5 231 %14 = extractelement <8 x float> %B, i32 5 232 %add3 = fadd float %13, %14 233 %15 = extractelement <8 x float> %A, i32 7 234 %16 = extractelement <8 x float> %B, i32 7 235 %add4 = fadd float %15, %16 236 %vecinsert1 = insertelement <8 x float> undef, float %add, i32 1 237 %vecinsert2 = insertelement <8 x float> %vecinsert1, float %add2, i32 3 238 %vecinsert3 = insertelement <8 x float> %vecinsert2, float %sub, i32 0 239 %vecinsert4 = insertelement <8 x float> %vecinsert3, float %sub2, i32 2 240 %vecinsert5 = insertelement <8 x float> %vecinsert4, float %add3, i32 5 241 %vecinsert6 = insertelement <8 x float> %vecinsert5, float %add4, i32 7 242 %vecinsert7 = insertelement <8 x float> %vecinsert6, float %sub3, i32 4 243 %vecinsert8 = insertelement <8 x float> %vecinsert7, float %sub4, i32 6 244 ret <8 x float> %vecinsert8 245 } 246 247 ; Verify that we don't generate addsub instruction for the following 248 ; functions. 249 250 define <4 x float> @test10(<4 x float> %A, <4 x float> %B) { 251 ; SSE-LABEL: test10: 252 ; SSE: # BB#0: 253 ; SSE-NEXT: subss %xmm1, %xmm0 254 ; SSE-NEXT: retq 255 ; 256 ; AVX-LABEL: test10: 257 ; AVX: # BB#0: 258 ; AVX-NEXT: vsubss %xmm1, %xmm0, %xmm0 259 ; AVX-NEXT: retq 260 %1 = extractelement <4 x float> %A, i32 0 261 %2 = extractelement <4 x float> %B, i32 0 262 %sub = fsub float %1, %2 263 %vecinsert1 = insertelement <4 x float> undef, float %sub, i32 0 264 ret <4 x float> %vecinsert1 265 } 266 267 define <4 x float> @test11(<4 x float> %A, <4 x float> %B) { 268 ; SSE-LABEL: test11: 269 ; SSE: # BB#0: 270 ; SSE-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0] 271 ; SSE-NEXT: shufpd {{.*#+}} xmm1 = xmm1[1,0] 272 ; SSE-NEXT: subss %xmm1, %xmm0 273 ; SSE-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0] 274 ; SSE-NEXT: retq 275 ; 276 ; AVX-LABEL: test11: 277 ; AVX: # BB#0: 278 ; AVX-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0] 279 ; AVX-NEXT: vpermilpd {{.*#+}} xmm1 = xmm1[1,0] 280 ; AVX-NEXT: vsubss %xmm1, %xmm0, %xmm0 281 ; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0] 282 ; AVX-NEXT: retq 283 %1 = extractelement <4 x float> %A, i32 2 284 %2 = extractelement <4 x float> %B, i32 2 285 %sub = fsub float %1, %2 286 %vecinsert1 = insertelement <4 x float> undef, float %sub, i32 2 287 ret <4 x float> %vecinsert1 288 } 289 290 define <4 x float> @test12(<4 x float> %A, <4 x float> %B) { 291 ; SSE-LABEL: test12: 292 ; SSE: # BB#0: 293 ; SSE-NEXT: movshdup {{.*#+}} xmm0 = xmm0[1,1,3,3] 294 ; SSE-NEXT: movshdup {{.*#+}} xmm1 = xmm1[1,1,3,3] 295 ; SSE-NEXT: addss %xmm0, %xmm1 296 ; SSE-NEXT: movsldup {{.*#+}} xmm0 = xmm1[0,0,2,2] 297 ; SSE-NEXT: retq 298 ; 299 ; AVX-LABEL: test12: 300 ; AVX: # BB#0: 301 ; AVX-NEXT: vmovshdup {{.*#+}} xmm0 = xmm0[1,1,3,3] 302 ; AVX-NEXT: vmovshdup {{.*#+}} xmm1 = xmm1[1,1,3,3] 303 ; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0 304 ; AVX-NEXT: vmovsldup {{.*#+}} xmm0 = xmm0[0,0,2,2] 305 ; AVX-NEXT: retq 306 %1 = extractelement <4 x float> %A, i32 1 307 %2 = extractelement <4 x float> %B, i32 1 308 %add = fadd float %1, %2 309 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 1 310 ret <4 x float> %vecinsert1 311 } 312 313 define <4 x float> @test13(<4 x float> %A, <4 x float> %B) { 314 ; SSE-LABEL: test13: 315 ; SSE: # BB#0: 316 ; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1,2,3] 317 ; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1,2,3] 318 ; SSE-NEXT: addss %xmm0, %xmm1 319 ; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1,2,0] 320 ; SSE-NEXT: movaps %xmm1, %xmm0 321 ; SSE-NEXT: retq 322 ; 323 ; AVX-LABEL: test13: 324 ; AVX: # BB#0: 325 ; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,2,3] 326 ; AVX-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,1,2,3] 327 ; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0 328 ; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,2,0] 329 ; AVX-NEXT: retq 330 %1 = extractelement <4 x float> %A, i32 3 331 %2 = extractelement <4 x float> %B, i32 3 332 %add = fadd float %1, %2 333 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 3 334 ret <4 x float> %vecinsert1 335 } 336 337 define <4 x float> @test14(<4 x float> %A, <4 x float> %B) { 338 ; SSE-LABEL: test14: 339 ; SSE: # BB#0: 340 ; SSE-NEXT: movaps %xmm0, %xmm2 341 ; SSE-NEXT: subss %xmm1, %xmm2 342 ; SSE-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0] 343 ; SSE-NEXT: shufpd {{.*#+}} xmm1 = xmm1[1,0] 344 ; SSE-NEXT: subss %xmm1, %xmm0 345 ; SSE-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1] 346 ; SSE-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,1,1,3] 347 ; SSE-NEXT: movaps %xmm2, %xmm0 348 ; SSE-NEXT: retq 349 ; 350 ; AVX-LABEL: test14: 351 ; AVX: # BB#0: 352 ; AVX-NEXT: vsubss %xmm1, %xmm0, %xmm2 353 ; AVX-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0] 354 ; AVX-NEXT: vpermilpd {{.*#+}} xmm1 = xmm1[1,0] 355 ; AVX-NEXT: vsubss %xmm1, %xmm0, %xmm0 356 ; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm2[0,1],xmm0[0],xmm2[3] 357 ; AVX-NEXT: retq 358 %1 = extractelement <4 x float> %A, i32 0 359 %2 = extractelement <4 x float> %B, i32 0 360 %sub = fsub float %1, %2 361 %3 = extractelement <4 x float> %A, i32 2 362 %4 = extractelement <4 x float> %B, i32 2 363 %sub2 = fsub float %3, %4 364 %vecinsert1 = insertelement <4 x float> undef, float %sub, i32 0 365 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %sub2, i32 2 366 ret <4 x float> %vecinsert2 367 } 368 369 define <4 x float> @test15(<4 x float> %A, <4 x float> %B) { 370 ; SSE-LABEL: test15: 371 ; SSE: # BB#0: 372 ; SSE-NEXT: movshdup {{.*#+}} xmm3 = xmm0[1,1,3,3] 373 ; SSE-NEXT: movshdup {{.*#+}} xmm2 = xmm1[1,1,3,3] 374 ; SSE-NEXT: addss %xmm3, %xmm2 375 ; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1,2,3] 376 ; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1,2,3] 377 ; SSE-NEXT: addss %xmm0, %xmm1 378 ; SSE-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1] 379 ; SSE-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,0,2,1] 380 ; SSE-NEXT: movaps %xmm2, %xmm0 381 ; SSE-NEXT: retq 382 ; 383 ; AVX-LABEL: test15: 384 ; AVX: # BB#0: 385 ; AVX-NEXT: vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3] 386 ; AVX-NEXT: vmovshdup {{.*#+}} xmm3 = xmm1[1,1,3,3] 387 ; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm2 388 ; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,2,3] 389 ; AVX-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,1,2,3] 390 ; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0 391 ; AVX-NEXT: vinsertps {{.*#+}} xmm1 = xmm0[0],xmm2[0],xmm0[2,3] 392 ; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0] 393 ; AVX-NEXT: retq 394 %1 = extractelement <4 x float> %A, i32 1 395 %2 = extractelement <4 x float> %B, i32 1 396 %add = fadd float %1, %2 397 %3 = extractelement <4 x float> %A, i32 3 398 %4 = extractelement <4 x float> %B, i32 3 399 %add2 = fadd float %3, %4 400 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 1 401 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 3 402 ret <4 x float> %vecinsert2 403 } 404 405 define <4 x float> @test16(<4 x float> %A, <4 x float> %B) { 406 ; SSE-LABEL: test16: 407 ; SSE: # BB#0: 408 ; SSE-NEXT: movaps %xmm0, %xmm2 409 ; SSE-NEXT: subss %xmm0, %xmm2 410 ; SSE-NEXT: movaps %xmm0, %xmm3 411 ; SSE-NEXT: shufpd {{.*#+}} xmm3 = xmm3[1,0] 412 ; SSE-NEXT: movapd %xmm1, %xmm4 413 ; SSE-NEXT: shufpd {{.*#+}} xmm4 = xmm4[1,0] 414 ; SSE-NEXT: subss %xmm4, %xmm3 415 ; SSE-NEXT: movshdup {{.*#+}} xmm4 = xmm0[1,1,3,3] 416 ; SSE-NEXT: addss %xmm0, %xmm4 417 ; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1,2,3] 418 ; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1,2,3] 419 ; SSE-NEXT: addss %xmm0, %xmm1 420 ; SSE-NEXT: unpcklps {{.*#+}} xmm4 = xmm4[0],xmm1[0],xmm4[1],xmm1[1] 421 ; SSE-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1] 422 ; SSE-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm4[0],xmm2[1],xmm4[1] 423 ; SSE-NEXT: movaps %xmm2, %xmm0 424 ; SSE-NEXT: retq 425 ; 426 ; AVX-LABEL: test16: 427 ; AVX: # BB#0: 428 ; AVX-NEXT: vsubss %xmm0, %xmm0, %xmm2 429 ; AVX-NEXT: vpermilpd {{.*#+}} xmm3 = xmm0[1,0] 430 ; AVX-NEXT: vpermilpd {{.*#+}} xmm4 = xmm1[1,0] 431 ; AVX-NEXT: vsubss %xmm4, %xmm3, %xmm3 432 ; AVX-NEXT: vmovshdup {{.*#+}} xmm4 = xmm0[1,1,3,3] 433 ; AVX-NEXT: vaddss %xmm0, %xmm4, %xmm4 434 ; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,2,3] 435 ; AVX-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,1,2,3] 436 ; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0 437 ; AVX-NEXT: vinsertps {{.*#+}} xmm1 = xmm2[0],xmm4[0],xmm2[2,3] 438 ; AVX-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm3[0],xmm1[3] 439 ; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0] 440 ; AVX-NEXT: retq 441 %1 = extractelement <4 x float> %A, i32 0 442 %2 = extractelement <4 x float> %B, i32 0 443 %sub = fsub float %1, undef 444 %3 = extractelement <4 x float> %A, i32 2 445 %4 = extractelement <4 x float> %B, i32 2 446 %sub2 = fsub float %3, %4 447 %5 = extractelement <4 x float> %A, i32 1 448 %6 = extractelement <4 x float> %B, i32 1 449 %add = fadd float %5, undef 450 %7 = extractelement <4 x float> %A, i32 3 451 %8 = extractelement <4 x float> %B, i32 3 452 %add2 = fadd float %7, %8 453 %vecinsert1 = insertelement <4 x float> undef, float %add, i32 1 454 %vecinsert2 = insertelement <4 x float> %vecinsert1, float %add2, i32 3 455 %vecinsert3 = insertelement <4 x float> %vecinsert2, float %sub, i32 0 456 %vecinsert4 = insertelement <4 x float> %vecinsert3, float %sub2, i32 2 457 ret <4 x float> %vecinsert4 458 } 459 460 define <2 x float> @test_v2f32(<2 x float> %v0, <2 x float> %v1) { 461 ; SSE-LABEL: test_v2f32: 462 ; SSE: # BB#0: 463 ; SSE-NEXT: addsubps %xmm1, %xmm0 464 ; SSE-NEXT: retq 465 ; 466 ; AVX-LABEL: test_v2f32: 467 ; AVX: # BB#0: 468 ; AVX-NEXT: vaddsubps %xmm1, %xmm0, %xmm0 469 ; AVX-NEXT: retq 470 %v2 = extractelement <2 x float> %v0, i32 0 471 %v3 = extractelement <2 x float> %v1, i32 0 472 %v4 = extractelement <2 x float> %v0, i32 1 473 %v5 = extractelement <2 x float> %v1, i32 1 474 %sub = fsub float %v2, %v3 475 %add = fadd float %v5, %v4 476 %res0 = insertelement <2 x float> undef, float %sub, i32 0 477 %res1 = insertelement <2 x float> %res0, float %add, i32 1 478 ret <2 x float> %res1 479 } 480