1; XFAIL: * 2; ...should pass. See PR12324: misched bringup 3; RUN: llc < %s -march=x86-64 -O3 -asm-verbose=false | FileCheck %s 4target datalayout = "e-p:64:64:64" 5target triple = "x86_64-unknown-unknown" 6 7; Full strength reduction reduces register pressure from 5 to 4 here. 8; Instruction selection should use the FLAGS value from the dec for 9; the branch. Scheduling should push the adds upwards. 10 11; CHECK-LABEL: full_me_0: 12; CHECK: movsd (%rsi), %xmm0 13; CHECK: mulsd (%rdx), %xmm0 14; CHECK: movsd %xmm0, (%rdi) 15; CHECK: addq $8, %rsi 16; CHECK: addq $8, %rdx 17; CHECK: addq $8, %rdi 18; CHECK: decq %rcx 19; CHECK: jne 20 21define void @full_me_0(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 22entry: 23 %t0 = icmp sgt i64 %n, 0 24 br i1 %t0, label %loop, label %return 25 26loop: 27 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 28 %Ai = getelementptr inbounds double, double* %A, i64 %i 29 %Bi = getelementptr inbounds double, double* %B, i64 %i 30 %Ci = getelementptr inbounds double, double* %C, i64 %i 31 %t1 = load double, double* %Bi 32 %t2 = load double, double* %Ci 33 %m = fmul double %t1, %t2 34 store double %m, double* %Ai 35 %i.next = add nsw i64 %i, 1 36 %exitcond = icmp eq i64 %i.next, %n 37 br i1 %exitcond, label %return, label %loop 38 39return: 40 ret void 41} 42 43; Mostly-full strength reduction means we do full strength reduction on all 44; except for the offsets. 45; 46; Given a choice between constant offsets -2048 and 2048, choose the negative 47; value, because at boundary conditions it has a smaller encoding. 48; TODO: That's an over-general heuristic. It would be better for the target 49; to indicate what the encoding cost would be. Then using a 2048 offset 50; would be better on x86-64, since the start value would be 0 instead of 51; 2048. 52 53; CHECK-LABEL: mostly_full_me_0: 54; CHECK: movsd -2048(%rsi), %xmm0 55; CHECK: mulsd -2048(%rdx), %xmm0 56; CHECK: movsd %xmm0, -2048(%rdi) 57; CHECK: movsd (%rsi), %xmm0 58; CHECK: divsd (%rdx), %xmm0 59; CHECK: movsd %xmm0, (%rdi) 60; CHECK: addq $8, %rsi 61; CHECK: addq $8, %rdx 62; CHECK: addq $8, %rdi 63; CHECK: decq %rcx 64; CHECK: jne 65 66define void @mostly_full_me_0(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 67entry: 68 %t0 = icmp sgt i64 %n, 0 69 br i1 %t0, label %loop, label %return 70 71loop: 72 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 73 %Ai = getelementptr inbounds double, double* %A, i64 %i 74 %Bi = getelementptr inbounds double, double* %B, i64 %i 75 %Ci = getelementptr inbounds double, double* %C, i64 %i 76 %t1 = load double, double* %Bi 77 %t2 = load double, double* %Ci 78 %m = fmul double %t1, %t2 79 store double %m, double* %Ai 80 %j = add i64 %i, 256 81 %Aj = getelementptr inbounds double, double* %A, i64 %j 82 %Bj = getelementptr inbounds double, double* %B, i64 %j 83 %Cj = getelementptr inbounds double, double* %C, i64 %j 84 %t3 = load double, double* %Bj 85 %t4 = load double, double* %Cj 86 %o = fdiv double %t3, %t4 87 store double %o, double* %Aj 88 %i.next = add nsw i64 %i, 1 89 %exitcond = icmp eq i64 %i.next, %n 90 br i1 %exitcond, label %return, label %loop 91 92return: 93 ret void 94} 95 96; A minor variation on mostly_full_me_0. 97; Prefer to start the indvar at 0. 98 99; CHECK-LABEL: mostly_full_me_1: 100; CHECK: movsd (%rsi), %xmm0 101; CHECK: mulsd (%rdx), %xmm0 102; CHECK: movsd %xmm0, (%rdi) 103; CHECK: movsd -2048(%rsi), %xmm0 104; CHECK: divsd -2048(%rdx), %xmm0 105; CHECK: movsd %xmm0, -2048(%rdi) 106; CHECK: addq $8, %rsi 107; CHECK: addq $8, %rdx 108; CHECK: addq $8, %rdi 109; CHECK: decq %rcx 110; CHECK: jne 111 112define void @mostly_full_me_1(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 113entry: 114 %t0 = icmp sgt i64 %n, 0 115 br i1 %t0, label %loop, label %return 116 117loop: 118 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 119 %Ai = getelementptr inbounds double, double* %A, i64 %i 120 %Bi = getelementptr inbounds double, double* %B, i64 %i 121 %Ci = getelementptr inbounds double, double* %C, i64 %i 122 %t1 = load double, double* %Bi 123 %t2 = load double, double* %Ci 124 %m = fmul double %t1, %t2 125 store double %m, double* %Ai 126 %j = sub i64 %i, 256 127 %Aj = getelementptr inbounds double, double* %A, i64 %j 128 %Bj = getelementptr inbounds double, double* %B, i64 %j 129 %Cj = getelementptr inbounds double, double* %C, i64 %j 130 %t3 = load double, double* %Bj 131 %t4 = load double, double* %Cj 132 %o = fdiv double %t3, %t4 133 store double %o, double* %Aj 134 %i.next = add nsw i64 %i, 1 135 %exitcond = icmp eq i64 %i.next, %n 136 br i1 %exitcond, label %return, label %loop 137 138return: 139 ret void 140} 141 142; A slightly less minor variation on mostly_full_me_0. 143 144; CHECK-LABEL: mostly_full_me_2: 145; CHECK: movsd (%rsi), %xmm0 146; CHECK: mulsd (%rdx), %xmm0 147; CHECK: movsd %xmm0, (%rdi) 148; CHECK: movsd -4096(%rsi), %xmm0 149; CHECK: divsd -4096(%rdx), %xmm0 150; CHECK: movsd %xmm0, -4096(%rdi) 151; CHECK: addq $8, %rsi 152; CHECK: addq $8, %rdx 153; CHECK: addq $8, %rdi 154; CHECK: decq %rcx 155; CHECK: jne 156 157define void @mostly_full_me_2(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 158entry: 159 %t0 = icmp sgt i64 %n, 0 160 br i1 %t0, label %loop, label %return 161 162loop: 163 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 164 %k = add i64 %i, 256 165 %Ak = getelementptr inbounds double, double* %A, i64 %k 166 %Bk = getelementptr inbounds double, double* %B, i64 %k 167 %Ck = getelementptr inbounds double, double* %C, i64 %k 168 %t1 = load double, double* %Bk 169 %t2 = load double, double* %Ck 170 %m = fmul double %t1, %t2 171 store double %m, double* %Ak 172 %j = sub i64 %i, 256 173 %Aj = getelementptr inbounds double, double* %A, i64 %j 174 %Bj = getelementptr inbounds double, double* %B, i64 %j 175 %Cj = getelementptr inbounds double, double* %C, i64 %j 176 %t3 = load double, double* %Bj 177 %t4 = load double, double* %Cj 178 %o = fdiv double %t3, %t4 179 store double %o, double* %Aj 180 %i.next = add nsw i64 %i, 1 181 %exitcond = icmp eq i64 %i.next, %n 182 br i1 %exitcond, label %return, label %loop 183 184return: 185 ret void 186} 187 188; In this test, the counting IV exit value is used, so full strength reduction 189; would not reduce register pressure. IndVarSimplify ought to simplify such 190; cases away, but it's useful here to verify that LSR's register pressure 191; heuristics are working as expected. 192 193; CHECK-LABEL: count_me_0: 194; CHECK: movsd (%rsi,%rax,8), %xmm0 195; CHECK: mulsd (%rdx,%rax,8), %xmm0 196; CHECK: movsd %xmm0, (%rdi,%rax,8) 197; CHECK: incq %rax 198; CHECK: cmpq %rax, %rcx 199; CHECK: jne 200 201define i64 @count_me_0(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 202entry: 203 %t0 = icmp sgt i64 %n, 0 204 br i1 %t0, label %loop, label %return 205 206loop: 207 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 208 %Ai = getelementptr inbounds double, double* %A, i64 %i 209 %Bi = getelementptr inbounds double, double* %B, i64 %i 210 %Ci = getelementptr inbounds double, double* %C, i64 %i 211 %t1 = load double, double* %Bi 212 %t2 = load double, double* %Ci 213 %m = fmul double %t1, %t2 214 store double %m, double* %Ai 215 %i.next = add nsw i64 %i, 1 216 %exitcond = icmp eq i64 %i.next, %n 217 br i1 %exitcond, label %return, label %loop 218 219return: 220 %q = phi i64 [ 0, %entry ], [ %i.next, %loop ] 221 ret i64 %q 222} 223 224; In this test, the trip count value is used, so full strength reduction 225; would not reduce register pressure. 226; (though it would reduce register pressure inside the loop...) 227 228; CHECK-LABEL: count_me_1: 229; CHECK: movsd (%rsi,%rax,8), %xmm0 230; CHECK: mulsd (%rdx,%rax,8), %xmm0 231; CHECK: movsd %xmm0, (%rdi,%rax,8) 232; CHECK: incq %rax 233; CHECK: cmpq %rax, %rcx 234; CHECK: jne 235 236define i64 @count_me_1(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 237entry: 238 %t0 = icmp sgt i64 %n, 0 239 br i1 %t0, label %loop, label %return 240 241loop: 242 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 243 %Ai = getelementptr inbounds double, double* %A, i64 %i 244 %Bi = getelementptr inbounds double, double* %B, i64 %i 245 %Ci = getelementptr inbounds double, double* %C, i64 %i 246 %t1 = load double, double* %Bi 247 %t2 = load double, double* %Ci 248 %m = fmul double %t1, %t2 249 store double %m, double* %Ai 250 %i.next = add nsw i64 %i, 1 251 %exitcond = icmp eq i64 %i.next, %n 252 br i1 %exitcond, label %return, label %loop 253 254return: 255 %q = phi i64 [ 0, %entry ], [ %n, %loop ] 256 ret i64 %q 257} 258 259; Full strength reduction doesn't save any registers here because the 260; loop tripcount is a constant. 261 262; CHECK-LABEL: count_me_2: 263; CHECK: movl $10, %eax 264; CHECK: align 265; CHECK: BB6_1: 266; CHECK: movsd -40(%rdi,%rax,8), %xmm0 267; CHECK: addsd -40(%rsi,%rax,8), %xmm0 268; CHECK: movsd %xmm0, -40(%rdx,%rax,8) 269; CHECK: movsd (%rdi,%rax,8), %xmm0 270; CHECK: subsd (%rsi,%rax,8), %xmm0 271; CHECK: movsd %xmm0, (%rdx,%rax,8) 272; CHECK: incq %rax 273; CHECK: cmpq $5010, %rax 274; CHECK: jne 275 276define void @count_me_2(double* nocapture %A, double* nocapture %B, double* nocapture %C) nounwind { 277entry: 278 br label %loop 279 280loop: 281 %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] 282 %i5 = add i64 %i, 5 283 %Ai = getelementptr double, double* %A, i64 %i5 284 %t2 = load double, double* %Ai 285 %Bi = getelementptr double, double* %B, i64 %i5 286 %t4 = load double, double* %Bi 287 %t5 = fadd double %t2, %t4 288 %Ci = getelementptr double, double* %C, i64 %i5 289 store double %t5, double* %Ci 290 %i10 = add i64 %i, 10 291 %Ai10 = getelementptr double, double* %A, i64 %i10 292 %t9 = load double, double* %Ai10 293 %Bi10 = getelementptr double, double* %B, i64 %i10 294 %t11 = load double, double* %Bi10 295 %t12 = fsub double %t9, %t11 296 %Ci10 = getelementptr double, double* %C, i64 %i10 297 store double %t12, double* %Ci10 298 %i.next = add i64 %i, 1 299 %exitcond = icmp eq i64 %i.next, 5000 300 br i1 %exitcond, label %return, label %loop 301 302return: 303 ret void 304} 305 306; This should be fully strength-reduced to reduce register pressure. 307 308; CHECK-LABEL: full_me_1: 309; CHECK: align 310; CHECK: BB7_1: 311; CHECK: movsd (%rdi), %xmm0 312; CHECK: addsd (%rsi), %xmm0 313; CHECK: movsd %xmm0, (%rdx) 314; CHECK: movsd 40(%rdi), %xmm0 315; CHECK: subsd 40(%rsi), %xmm0 316; CHECK: movsd %xmm0, 40(%rdx) 317; CHECK: addq $8, %rdi 318; CHECK: addq $8, %rsi 319; CHECK: addq $8, %rdx 320; CHECK: decq %rcx 321; CHECK: jne 322 323define void @full_me_1(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 324entry: 325 br label %loop 326 327loop: 328 %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] 329 %i5 = add i64 %i, 5 330 %Ai = getelementptr double, double* %A, i64 %i5 331 %t2 = load double, double* %Ai 332 %Bi = getelementptr double, double* %B, i64 %i5 333 %t4 = load double, double* %Bi 334 %t5 = fadd double %t2, %t4 335 %Ci = getelementptr double, double* %C, i64 %i5 336 store double %t5, double* %Ci 337 %i10 = add i64 %i, 10 338 %Ai10 = getelementptr double, double* %A, i64 %i10 339 %t9 = load double, double* %Ai10 340 %Bi10 = getelementptr double, double* %B, i64 %i10 341 %t11 = load double, double* %Bi10 342 %t12 = fsub double %t9, %t11 343 %Ci10 = getelementptr double, double* %C, i64 %i10 344 store double %t12, double* %Ci10 345 %i.next = add i64 %i, 1 346 %exitcond = icmp eq i64 %i.next, %n 347 br i1 %exitcond, label %return, label %loop 348 349return: 350 ret void 351} 352 353; This is a variation on full_me_0 in which the 0,+,1 induction variable 354; has a non-address use, pinning that value in a register. 355 356; CHECK-LABEL: count_me_3: 357; CHECK: call 358; CHECK: movsd (%r{{[^,]*}},%r{{[^,]*}},8), %xmm0 359; CHECK: mulsd (%r{{[^,]*}},%r{{[^,]*}},8), %xmm0 360; CHECK: movsd %xmm0, (%r{{[^,]*}},%r{{[^,]*}},8) 361; CHECK: incq %r{{.*}} 362; CHECK: cmpq %r{{.*}}, %r{{.*}} 363; CHECK: jne 364 365declare void @use(i64) 366 367define void @count_me_3(double* nocapture %A, double* nocapture %B, double* nocapture %C, i64 %n) nounwind { 368entry: 369 %t0 = icmp sgt i64 %n, 0 370 br i1 %t0, label %loop, label %return 371 372loop: 373 %i = phi i64 [ %i.next, %loop ], [ 0, %entry ] 374 call void @use(i64 %i) 375 %Ai = getelementptr inbounds double, double* %A, i64 %i 376 %Bi = getelementptr inbounds double, double* %B, i64 %i 377 %Ci = getelementptr inbounds double, double* %C, i64 %i 378 %t1 = load double, double* %Bi 379 %t2 = load double, double* %Ci 380 %m = fmul double %t1, %t2 381 store double %m, double* %Ai 382 %i.next = add nsw i64 %i, 1 383 %exitcond = icmp eq i64 %i.next, %n 384 br i1 %exitcond, label %return, label %loop 385 386return: 387 ret void 388} 389 390; LSR should use only one indvar for the inner loop. 391; rdar://7657764 392 393; CHECK-LABEL: asd: 394; CHECK: BB9_4: 395; CHECK-NEXT: addl (%r{{[^,]*}},%rdi,4), %e 396; CHECK-NEXT: incq %rdi 397; CHECK-NEXT: cmpq %rdi, %r{{[^,]*}} 398; CHECK-NEXT: jg 399 400%struct.anon = type { i32, [4200 x i32] } 401 402@bars = common global [123123 x %struct.anon] zeroinitializer, align 32 ; <[123123 x %struct.anon]*> [#uses=2] 403 404define i32 @asd(i32 %n) nounwind readonly { 405entry: 406 %0 = icmp sgt i32 %n, 0 ; <i1> [#uses=1] 407 br i1 %0, label %bb.nph14, label %bb5 408 409bb.nph14: ; preds = %entry 410 %tmp18 = zext i32 %n to i64 ; <i64> [#uses=1] 411 br label %bb 412 413bb: ; preds = %bb3, %bb.nph14 414 %indvar16 = phi i64 [ 0, %bb.nph14 ], [ %indvar.next17, %bb3 ] ; <i64> [#uses=3] 415 %s.113 = phi i32 [ 0, %bb.nph14 ], [ %s.0.lcssa, %bb3 ] ; <i32> [#uses=2] 416 %scevgep2526 = getelementptr [123123 x %struct.anon], [123123 x %struct.anon]* @bars, i64 0, i64 %indvar16, i32 0 ; <i32*> [#uses=1] 417 %1 = load i32, i32* %scevgep2526, align 4 ; <i32> [#uses=2] 418 %2 = icmp sgt i32 %1, 0 ; <i1> [#uses=1] 419 br i1 %2, label %bb.nph, label %bb3 420 421bb.nph: ; preds = %bb 422 %tmp23 = sext i32 %1 to i64 ; <i64> [#uses=1] 423 br label %bb1 424 425bb1: ; preds = %bb.nph, %bb1 426 %indvar = phi i64 [ 0, %bb.nph ], [ %tmp19, %bb1 ] ; <i64> [#uses=2] 427 %s.07 = phi i32 [ %s.113, %bb.nph ], [ %4, %bb1 ] ; <i32> [#uses=1] 428 %c.08 = getelementptr [123123 x %struct.anon], [123123 x %struct.anon]* @bars, i64 0, i64 %indvar16, i32 1, i64 %indvar ; <i32*> [#uses=1] 429 %3 = load i32, i32* %c.08, align 4 ; <i32> [#uses=1] 430 %4 = add nsw i32 %3, %s.07 ; <i32> [#uses=2] 431 %tmp19 = add i64 %indvar, 1 ; <i64> [#uses=2] 432 %5 = icmp sgt i64 %tmp23, %tmp19 ; <i1> [#uses=1] 433 br i1 %5, label %bb1, label %bb3 434 435bb3: ; preds = %bb1, %bb 436 %s.0.lcssa = phi i32 [ %s.113, %bb ], [ %4, %bb1 ] ; <i32> [#uses=2] 437 %indvar.next17 = add i64 %indvar16, 1 ; <i64> [#uses=2] 438 %exitcond = icmp eq i64 %indvar.next17, %tmp18 ; <i1> [#uses=1] 439 br i1 %exitcond, label %bb5, label %bb 440 441bb5: ; preds = %bb3, %entry 442 %s.1.lcssa = phi i32 [ 0, %entry ], [ %s.0.lcssa, %bb3 ] ; <i32> [#uses=1] 443 ret i32 %s.1.lcssa 444} 445 446; Two loops here are of particular interest; the one at %bb21, where 447; we don't want to leave extra induction variables around, or use an 448; lea to compute an exit condition inside the loop: 449 450; CHECK-LABEL: test: 451 452; CHECK: BB10_4: 453; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} 454; CHECK-NEXT: addss %xmm{{.*}}, %xmm{{.*}} 455; CHECK-NEXT: mulss (%r{{[^,]*}}), %xmm{{.*}} 456; CHECK-NEXT: movss %xmm{{.*}}, (%r{{[^,]*}}) 457; CHECK-NEXT: addq $4, %r{{.*}} 458; CHECK-NEXT: decq %r{{.*}} 459; CHECK-NEXT: addq $4, %r{{.*}} 460; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} 461; CHECK-NEXT: BB10_2: 462; CHECK-NEXT: testq %r{{.*}}, %r{{.*}} 463; CHECK-NEXT: jle 464; CHECK-NEXT: testb $15, %r{{.*}} 465; CHECK-NEXT: jne 466 467; And the one at %bb68, where we want to be sure to use superhero mode: 468 469; CHECK: BB10_7: 470; CHECK-NEXT: movaps 48(%r{{[^,]*}}), %xmm{{.*}} 471; CHECK-NEXT: mulps %xmm{{.*}}, %xmm{{.*}} 472; CHECK-NEXT: movaps 32(%r{{[^,]*}}), %xmm{{.*}} 473; CHECK-NEXT: mulps %xmm{{.*}}, %xmm{{.*}} 474; CHECK-NEXT: movaps 16(%r{{[^,]*}}), %xmm{{.*}} 475; CHECK-NEXT: mulps %xmm{{.*}}, %xmm{{.*}} 476; CHECK-NEXT: movaps (%r{{[^,]*}}), %xmm{{.*}} 477; CHECK-NEXT: mulps %xmm{{.*}}, %xmm{{.*}} 478; CHECK-NEXT: movaps %xmm{{.*}}, (%r{{[^,]*}}) 479; CHECK-NEXT: movaps %xmm{{.*}}, 16(%r{{[^,]*}}) 480; CHECK-NEXT: movaps %xmm{{.*}}, 32(%r{{[^,]*}}) 481; CHECK-NEXT: movaps %xmm{{.*}}, 48(%r{{[^,]*}}) 482; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} 483; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} 484; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} 485; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} 486; CHECK-NEXT: addq $64, %r{{.*}} 487; CHECK-NEXT: addq $64, %r{{.*}} 488; CHECK-NEXT: addq $-16, %r{{.*}} 489; CHECK-NEXT: cmpq $15, %r{{.*}} 490; CHECK-NEXT: jg 491 492define void @test(float* %arg, i64 %arg1, float* nocapture %arg2, float* nocapture %arg3, float* %arg4, i64 %arg5, i64 %arg6) nounwind { 493bb: 494 %t = alloca float, align 4 ; <float*> [#uses=3] 495 %t7 = alloca float, align 4 ; <float*> [#uses=2] 496 %t8 = load float, float* %arg3 ; <float> [#uses=8] 497 %t9 = ptrtoint float* %arg to i64 ; <i64> [#uses=1] 498 %t10 = ptrtoint float* %arg4 to i64 ; <i64> [#uses=1] 499 %t11 = xor i64 %t10, %t9 ; <i64> [#uses=1] 500 %t12 = and i64 %t11, 15 ; <i64> [#uses=1] 501 %t13 = icmp eq i64 %t12, 0 ; <i1> [#uses=1] 502 %t14 = xor i64 %arg1, 1 ; <i64> [#uses=1] 503 %t15 = xor i64 %arg5, 1 ; <i64> [#uses=1] 504 %t16 = or i64 %t15, %t14 ; <i64> [#uses=1] 505 %t17 = trunc i64 %t16 to i32 ; <i32> [#uses=1] 506 %t18 = icmp eq i32 %t17, 0 ; <i1> [#uses=1] 507 br i1 %t18, label %bb19, label %bb213 508 509bb19: ; preds = %bb 510 %t20 = load float, float* %arg2 ; <float> [#uses=1] 511 br label %bb21 512 513bb21: ; preds = %bb32, %bb19 514 %t22 = phi i64 [ %t36, %bb32 ], [ 0, %bb19 ] ; <i64> [#uses=21] 515 %t23 = phi float [ %t35, %bb32 ], [ %t20, %bb19 ] ; <float> [#uses=6] 516 %t24 = sub i64 %arg6, %t22 ; <i64> [#uses=4] 517 %t25 = getelementptr float, float* %arg4, i64 %t22 ; <float*> [#uses=4] 518 %t26 = getelementptr float, float* %arg, i64 %t22 ; <float*> [#uses=3] 519 %t27 = icmp sgt i64 %t24, 0 ; <i1> [#uses=1] 520 br i1 %t27, label %bb28, label %bb37 521 522bb28: ; preds = %bb21 523 %t29 = ptrtoint float* %t25 to i64 ; <i64> [#uses=1] 524 %t30 = and i64 %t29, 15 ; <i64> [#uses=1] 525 %t31 = icmp eq i64 %t30, 0 ; <i1> [#uses=1] 526 br i1 %t31, label %bb37, label %bb32 527 528bb32: ; preds = %bb28 529 %t33 = load float, float* %t26 ; <float> [#uses=1] 530 %t34 = fmul float %t23, %t33 ; <float> [#uses=1] 531 store float %t34, float* %t25 532 %t35 = fadd float %t23, %t8 ; <float> [#uses=1] 533 %t36 = add i64 %t22, 1 ; <i64> [#uses=1] 534 br label %bb21 535 536bb37: ; preds = %bb28, %bb21 537 %t38 = fmul float %t8, 4.000000e+00 ; <float> [#uses=1] 538 store float %t38, float* %t 539 %t39 = fmul float %t8, 1.600000e+01 ; <float> [#uses=1] 540 store float %t39, float* %t7 541 %t40 = fmul float %t8, 0.000000e+00 ; <float> [#uses=1] 542 %t41 = fadd float %t23, %t40 ; <float> [#uses=1] 543 %t42 = insertelement <4 x float> undef, float %t41, i32 0 ; <<4 x float>> [#uses=1] 544 %t43 = fadd float %t23, %t8 ; <float> [#uses=1] 545 %t44 = insertelement <4 x float> %t42, float %t43, i32 1 ; <<4 x float>> [#uses=1] 546 %t45 = fmul float %t8, 2.000000e+00 ; <float> [#uses=1] 547 %t46 = fadd float %t23, %t45 ; <float> [#uses=1] 548 %t47 = insertelement <4 x float> %t44, float %t46, i32 2 ; <<4 x float>> [#uses=1] 549 %t48 = fmul float %t8, 3.000000e+00 ; <float> [#uses=1] 550 %t49 = fadd float %t23, %t48 ; <float> [#uses=1] 551 %t50 = insertelement <4 x float> %t47, float %t49, i32 3 ; <<4 x float>> [#uses=5] 552 %t51 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t) nounwind ; <<4 x float>> [#uses=3] 553 %t52 = fadd <4 x float> %t50, %t51 ; <<4 x float>> [#uses=3] 554 %t53 = fadd <4 x float> %t52, %t51 ; <<4 x float>> [#uses=3] 555 %t54 = fadd <4 x float> %t53, %t51 ; <<4 x float>> [#uses=2] 556 %t55 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t7) nounwind ; <<4 x float>> [#uses=8] 557 %t56 = icmp sgt i64 %t24, 15 ; <i1> [#uses=2] 558 br i1 %t13, label %bb57, label %bb118 559 560bb57: ; preds = %bb37 561 br i1 %t56, label %bb61, label %bb112 562 563bb58: ; preds = %bb68 564 %t59 = getelementptr float, float* %arg, i64 %t78 ; <float*> [#uses=1] 565 %t60 = getelementptr float, float* %arg4, i64 %t78 ; <float*> [#uses=1] 566 br label %bb112 567 568bb61: ; preds = %bb57 569 %t62 = add i64 %t22, 16 ; <i64> [#uses=1] 570 %t63 = add i64 %t22, 4 ; <i64> [#uses=1] 571 %t64 = add i64 %t22, 8 ; <i64> [#uses=1] 572 %t65 = add i64 %t22, 12 ; <i64> [#uses=1] 573 %t66 = add i64 %arg6, -16 ; <i64> [#uses=1] 574 %t67 = sub i64 %t66, %t22 ; <i64> [#uses=1] 575 br label %bb68 576 577bb68: ; preds = %bb68, %bb61 578 %t69 = phi i64 [ 0, %bb61 ], [ %t111, %bb68 ] ; <i64> [#uses=3] 579 %t70 = phi <4 x float> [ %t54, %bb61 ], [ %t107, %bb68 ] ; <<4 x float>> [#uses=2] 580 %t71 = phi <4 x float> [ %t50, %bb61 ], [ %t103, %bb68 ] ; <<4 x float>> [#uses=2] 581 %t72 = phi <4 x float> [ %t53, %bb61 ], [ %t108, %bb68 ] ; <<4 x float>> [#uses=2] 582 %t73 = phi <4 x float> [ %t52, %bb61 ], [ %t109, %bb68 ] ; <<4 x float>> [#uses=2] 583 %t74 = shl i64 %t69, 4 ; <i64> [#uses=5] 584 %t75 = add i64 %t22, %t74 ; <i64> [#uses=2] 585 %t76 = getelementptr float, float* %arg, i64 %t75 ; <float*> [#uses=1] 586 %t77 = bitcast float* %t76 to <4 x float>* ; <<4 x float>*> [#uses=1] 587 %t78 = add i64 %t62, %t74 ; <i64> [#uses=2] 588 %t79 = add i64 %t63, %t74 ; <i64> [#uses=2] 589 %t80 = getelementptr float, float* %arg, i64 %t79 ; <float*> [#uses=1] 590 %t81 = bitcast float* %t80 to <4 x float>* ; <<4 x float>*> [#uses=1] 591 %t82 = add i64 %t64, %t74 ; <i64> [#uses=2] 592 %t83 = getelementptr float, float* %arg, i64 %t82 ; <float*> [#uses=1] 593 %t84 = bitcast float* %t83 to <4 x float>* ; <<4 x float>*> [#uses=1] 594 %t85 = add i64 %t65, %t74 ; <i64> [#uses=2] 595 %t86 = getelementptr float, float* %arg, i64 %t85 ; <float*> [#uses=1] 596 %t87 = bitcast float* %t86 to <4 x float>* ; <<4 x float>*> [#uses=1] 597 %t88 = getelementptr float, float* %arg4, i64 %t75 ; <float*> [#uses=1] 598 %t89 = bitcast float* %t88 to <4 x float>* ; <<4 x float>*> [#uses=1] 599 %t90 = getelementptr float, float* %arg4, i64 %t79 ; <float*> [#uses=1] 600 %t91 = bitcast float* %t90 to <4 x float>* ; <<4 x float>*> [#uses=1] 601 %t92 = getelementptr float, float* %arg4, i64 %t82 ; <float*> [#uses=1] 602 %t93 = bitcast float* %t92 to <4 x float>* ; <<4 x float>*> [#uses=1] 603 %t94 = getelementptr float, float* %arg4, i64 %t85 ; <float*> [#uses=1] 604 %t95 = bitcast float* %t94 to <4 x float>* ; <<4 x float>*> [#uses=1] 605 %t96 = mul i64 %t69, -16 ; <i64> [#uses=1] 606 %t97 = add i64 %t67, %t96 ; <i64> [#uses=2] 607 %t98 = load <4 x float>, <4 x float>* %t77 ; <<4 x float>> [#uses=1] 608 %t99 = load <4 x float>, <4 x float>* %t81 ; <<4 x float>> [#uses=1] 609 %t100 = load <4 x float>, <4 x float>* %t84 ; <<4 x float>> [#uses=1] 610 %t101 = load <4 x float>, <4 x float>* %t87 ; <<4 x float>> [#uses=1] 611 %t102 = fmul <4 x float> %t98, %t71 ; <<4 x float>> [#uses=1] 612 %t103 = fadd <4 x float> %t71, %t55 ; <<4 x float>> [#uses=2] 613 %t104 = fmul <4 x float> %t99, %t73 ; <<4 x float>> [#uses=1] 614 %t105 = fmul <4 x float> %t100, %t72 ; <<4 x float>> [#uses=1] 615 %t106 = fmul <4 x float> %t101, %t70 ; <<4 x float>> [#uses=1] 616 store <4 x float> %t102, <4 x float>* %t89 617 store <4 x float> %t104, <4 x float>* %t91 618 store <4 x float> %t105, <4 x float>* %t93 619 store <4 x float> %t106, <4 x float>* %t95 620 %t107 = fadd <4 x float> %t70, %t55 ; <<4 x float>> [#uses=1] 621 %t108 = fadd <4 x float> %t72, %t55 ; <<4 x float>> [#uses=1] 622 %t109 = fadd <4 x float> %t73, %t55 ; <<4 x float>> [#uses=1] 623 %t110 = icmp sgt i64 %t97, 15 ; <i1> [#uses=1] 624 %t111 = add i64 %t69, 1 ; <i64> [#uses=1] 625 br i1 %t110, label %bb68, label %bb58 626 627bb112: ; preds = %bb58, %bb57 628 %t113 = phi float* [ %t59, %bb58 ], [ %t26, %bb57 ] ; <float*> [#uses=1] 629 %t114 = phi float* [ %t60, %bb58 ], [ %t25, %bb57 ] ; <float*> [#uses=1] 630 %t115 = phi <4 x float> [ %t103, %bb58 ], [ %t50, %bb57 ] ; <<4 x float>> [#uses=1] 631 %t116 = phi i64 [ %t97, %bb58 ], [ %t24, %bb57 ] ; <i64> [#uses=1] 632 %t117 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t) nounwind ; <<4 x float>> [#uses=0] 633 br label %bb194 634 635bb118: ; preds = %bb37 636 br i1 %t56, label %bb122, label %bb194 637 638bb119: ; preds = %bb137 639 %t120 = getelementptr float, float* %arg, i64 %t145 ; <float*> [#uses=1] 640 %t121 = getelementptr float, float* %arg4, i64 %t145 ; <float*> [#uses=1] 641 br label %bb194 642 643bb122: ; preds = %bb118 644 %t123 = add i64 %t22, -1 ; <i64> [#uses=1] 645 %t124 = getelementptr inbounds float, float* %arg, i64 %t123 ; <float*> [#uses=1] 646 %t125 = bitcast float* %t124 to <4 x float>* ; <<4 x float>*> [#uses=1] 647 %t126 = load <4 x float>, <4 x float>* %t125 ; <<4 x float>> [#uses=1] 648 %t127 = add i64 %t22, 16 ; <i64> [#uses=1] 649 %t128 = add i64 %t22, 3 ; <i64> [#uses=1] 650 %t129 = add i64 %t22, 7 ; <i64> [#uses=1] 651 %t130 = add i64 %t22, 11 ; <i64> [#uses=1] 652 %t131 = add i64 %t22, 15 ; <i64> [#uses=1] 653 %t132 = add i64 %t22, 4 ; <i64> [#uses=1] 654 %t133 = add i64 %t22, 8 ; <i64> [#uses=1] 655 %t134 = add i64 %t22, 12 ; <i64> [#uses=1] 656 %t135 = add i64 %arg6, -16 ; <i64> [#uses=1] 657 %t136 = sub i64 %t135, %t22 ; <i64> [#uses=1] 658 br label %bb137 659 660bb137: ; preds = %bb137, %bb122 661 %t138 = phi i64 [ 0, %bb122 ], [ %t193, %bb137 ] ; <i64> [#uses=3] 662 %t139 = phi <4 x float> [ %t54, %bb122 ], [ %t189, %bb137 ] ; <<4 x float>> [#uses=2] 663 %t140 = phi <4 x float> [ %t50, %bb122 ], [ %t185, %bb137 ] ; <<4 x float>> [#uses=2] 664 %t141 = phi <4 x float> [ %t53, %bb122 ], [ %t190, %bb137 ] ; <<4 x float>> [#uses=2] 665 %t142 = phi <4 x float> [ %t52, %bb122 ], [ %t191, %bb137 ] ; <<4 x float>> [#uses=2] 666 %t143 = phi <4 x float> [ %t126, %bb122 ], [ %t175, %bb137 ] ; <<4 x float>> [#uses=1] 667 %t144 = shl i64 %t138, 4 ; <i64> [#uses=9] 668 %t145 = add i64 %t127, %t144 ; <i64> [#uses=2] 669 %t146 = add i64 %t128, %t144 ; <i64> [#uses=1] 670 %t147 = getelementptr float, float* %arg, i64 %t146 ; <float*> [#uses=1] 671 %t148 = bitcast float* %t147 to <4 x float>* ; <<4 x float>*> [#uses=1] 672 %t149 = add i64 %t129, %t144 ; <i64> [#uses=1] 673 %t150 = getelementptr float, float* %arg, i64 %t149 ; <float*> [#uses=1] 674 %t151 = bitcast float* %t150 to <4 x float>* ; <<4 x float>*> [#uses=1] 675 %t152 = add i64 %t130, %t144 ; <i64> [#uses=1] 676 %t153 = getelementptr float, float* %arg, i64 %t152 ; <float*> [#uses=1] 677 %t154 = bitcast float* %t153 to <4 x float>* ; <<4 x float>*> [#uses=1] 678 %t155 = add i64 %t131, %t144 ; <i64> [#uses=1] 679 %t156 = getelementptr float, float* %arg, i64 %t155 ; <float*> [#uses=1] 680 %t157 = bitcast float* %t156 to <4 x float>* ; <<4 x float>*> [#uses=1] 681 %t158 = add i64 %t22, %t144 ; <i64> [#uses=1] 682 %t159 = getelementptr float, float* %arg4, i64 %t158 ; <float*> [#uses=1] 683 %t160 = bitcast float* %t159 to <4 x float>* ; <<4 x float>*> [#uses=1] 684 %t161 = add i64 %t132, %t144 ; <i64> [#uses=1] 685 %t162 = getelementptr float, float* %arg4, i64 %t161 ; <float*> [#uses=1] 686 %t163 = bitcast float* %t162 to <4 x float>* ; <<4 x float>*> [#uses=1] 687 %t164 = add i64 %t133, %t144 ; <i64> [#uses=1] 688 %t165 = getelementptr float, float* %arg4, i64 %t164 ; <float*> [#uses=1] 689 %t166 = bitcast float* %t165 to <4 x float>* ; <<4 x float>*> [#uses=1] 690 %t167 = add i64 %t134, %t144 ; <i64> [#uses=1] 691 %t168 = getelementptr float, float* %arg4, i64 %t167 ; <float*> [#uses=1] 692 %t169 = bitcast float* %t168 to <4 x float>* ; <<4 x float>*> [#uses=1] 693 %t170 = mul i64 %t138, -16 ; <i64> [#uses=1] 694 %t171 = add i64 %t136, %t170 ; <i64> [#uses=2] 695 %t172 = load <4 x float>, <4 x float>* %t148 ; <<4 x float>> [#uses=2] 696 %t173 = load <4 x float>, <4 x float>* %t151 ; <<4 x float>> [#uses=2] 697 %t174 = load <4 x float>, <4 x float>* %t154 ; <<4 x float>> [#uses=2] 698 %t175 = load <4 x float>, <4 x float>* %t157 ; <<4 x float>> [#uses=2] 699 %t176 = shufflevector <4 x float> %t143, <4 x float> %t172, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] 700 %t177 = shufflevector <4 x float> %t176, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] 701 %t178 = shufflevector <4 x float> %t172, <4 x float> %t173, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] 702 %t179 = shufflevector <4 x float> %t178, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] 703 %t180 = shufflevector <4 x float> %t173, <4 x float> %t174, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] 704 %t181 = shufflevector <4 x float> %t180, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] 705 %t182 = shufflevector <4 x float> %t174, <4 x float> %t175, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] 706 %t183 = shufflevector <4 x float> %t182, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] 707 %t184 = fmul <4 x float> %t177, %t140 ; <<4 x float>> [#uses=1] 708 %t185 = fadd <4 x float> %t140, %t55 ; <<4 x float>> [#uses=2] 709 %t186 = fmul <4 x float> %t179, %t142 ; <<4 x float>> [#uses=1] 710 %t187 = fmul <4 x float> %t181, %t141 ; <<4 x float>> [#uses=1] 711 %t188 = fmul <4 x float> %t183, %t139 ; <<4 x float>> [#uses=1] 712 store <4 x float> %t184, <4 x float>* %t160 713 store <4 x float> %t186, <4 x float>* %t163 714 store <4 x float> %t187, <4 x float>* %t166 715 store <4 x float> %t188, <4 x float>* %t169 716 %t189 = fadd <4 x float> %t139, %t55 ; <<4 x float>> [#uses=1] 717 %t190 = fadd <4 x float> %t141, %t55 ; <<4 x float>> [#uses=1] 718 %t191 = fadd <4 x float> %t142, %t55 ; <<4 x float>> [#uses=1] 719 %t192 = icmp sgt i64 %t171, 15 ; <i1> [#uses=1] 720 %t193 = add i64 %t138, 1 ; <i64> [#uses=1] 721 br i1 %t192, label %bb137, label %bb119 722 723bb194: ; preds = %bb119, %bb118, %bb112 724 %t195 = phi i64 [ %t116, %bb112 ], [ %t171, %bb119 ], [ %t24, %bb118 ] ; <i64> [#uses=2] 725 %t196 = phi <4 x float> [ %t115, %bb112 ], [ %t185, %bb119 ], [ %t50, %bb118 ] ; <<4 x float>> [#uses=1] 726 %t197 = phi float* [ %t114, %bb112 ], [ %t121, %bb119 ], [ %t25, %bb118 ] ; <float*> [#uses=1] 727 %t198 = phi float* [ %t113, %bb112 ], [ %t120, %bb119 ], [ %t26, %bb118 ] ; <float*> [#uses=1] 728 %t199 = extractelement <4 x float> %t196, i32 0 ; <float> [#uses=2] 729 %t200 = icmp sgt i64 %t195, 0 ; <i1> [#uses=1] 730 br i1 %t200, label %bb201, label %bb211 731 732bb201: ; preds = %bb201, %bb194 733 %t202 = phi i64 [ %t209, %bb201 ], [ 0, %bb194 ] ; <i64> [#uses=3] 734 %t203 = phi float [ %t208, %bb201 ], [ %t199, %bb194 ] ; <float> [#uses=2] 735 %t204 = getelementptr float, float* %t198, i64 %t202 ; <float*> [#uses=1] 736 %t205 = getelementptr float, float* %t197, i64 %t202 ; <float*> [#uses=1] 737 %t206 = load float, float* %t204 ; <float> [#uses=1] 738 %t207 = fmul float %t203, %t206 ; <float> [#uses=1] 739 store float %t207, float* %t205 740 %t208 = fadd float %t203, %t8 ; <float> [#uses=2] 741 %t209 = add i64 %t202, 1 ; <i64> [#uses=2] 742 %t210 = icmp eq i64 %t209, %t195 ; <i1> [#uses=1] 743 br i1 %t210, label %bb211, label %bb201 744 745bb211: ; preds = %bb201, %bb194 746 %t212 = phi float [ %t199, %bb194 ], [ %t208, %bb201 ] ; <float> [#uses=1] 747 store float %t212, float* %arg2 748 ret void 749 750bb213: ; preds = %bb 751 ret void 752} 753