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llvm-mirror/test/CodeGen/ARM/arm-storebytesmerge.ll
Nirav Dave 8e3e378c03 [DAGCombine] Improve alias analysis for chain of independent stores. 
FindBetterNeighborChains simulateanously improves the chain
dependencies of a chain of related stores avoiding the generation of
extra token factors. For chains longer than the GatherAllAliasDepths,
stores further down in the chain will necessarily fail, a potentially
significant waste and preventing otherwise trivial parallelization.

This patch directly parallelize the chains of stores before improving
each store. This generally improves DAG-level parallelism.

Reviewers: courbet, spatel, RKSimon, bogner, efriedma, craig.topper, rnk

Subscribers: sdardis, javed.absar, hiraditya, jrtc27, atanasyan, llvm-commits

Differential Revision: https://reviews.llvm.org/D53552

llvm-svn: 346432
2018-11-08 19:14:20 +00:00

342 lines
14 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7em-arm-none-eabi"
; Function Attrs: nounwind
define arm_aapcs_vfpcc void @test(i8* %v50) #0 {
; CHECK-LABEL: test:
; CHECK: @ %bb.0:
; CHECK-NEXT: movw r1, #65534
; CHECK-NEXT: strh.w r1, [r0, #510]
; CHECK-NEXT: movw r1, #64506
; CHECK-NEXT: movt r1, #65020
; CHECK-NEXT: str.w r1, [r0, #506]
; CHECK-NEXT: movw r1, #63478
; CHECK-NEXT: movt r1, #63992
; CHECK-NEXT: str.w r1, [r0, #502]
; CHECK-NEXT: movw r1, #62450
; CHECK-NEXT: movt r1, #62964
; CHECK-NEXT: str.w r1, [r0, #498]
; CHECK-NEXT: movw r1, #61422
; CHECK-NEXT: movt r1, #61936
; CHECK-NEXT: str.w r1, [r0, #494]
; CHECK-NEXT: movw r1, #60394
; CHECK-NEXT: movt r1, #60908
; CHECK-NEXT: str.w r1, [r0, #490]
; CHECK-NEXT: movw r1, #59366
; CHECK-NEXT: movt r1, #59880
; CHECK-NEXT: str.w r1, [r0, #486]
; CHECK-NEXT: movw r1, #58338
; CHECK-NEXT: movt r1, #58852
; CHECK-NEXT: str.w r1, [r0, #482]
; CHECK-NEXT: movw r1, #57310
; CHECK-NEXT: movt r1, #57824
; CHECK-NEXT: str.w r1, [r0, #478]
; CHECK-NEXT: movw r1, #56282
; CHECK-NEXT: movt r1, #56796
; CHECK-NEXT: str.w r1, [r0, #474]
; CHECK-NEXT: movw r1, #55254
; CHECK-NEXT: movt r1, #55768
; CHECK-NEXT: str.w r1, [r0, #470]
; CHECK-NEXT: movw r1, #54226
; CHECK-NEXT: movt r1, #54740
; CHECK-NEXT: str.w r1, [r0, #466]
; CHECK-NEXT: movw r1, #53198
; CHECK-NEXT: movt r1, #53712
; CHECK-NEXT: str.w r1, [r0, #462]
; CHECK-NEXT: movw r1, #52170
; CHECK-NEXT: movt r1, #52684
; CHECK-NEXT: str.w r1, [r0, #458]
; CHECK-NEXT: movw r1, #51142
; CHECK-NEXT: movt r1, #51656
; CHECK-NEXT: str.w r1, [r0, #454]
; CHECK-NEXT: movw r1, #50114
; CHECK-NEXT: movt r1, #50628
; CHECK-NEXT: str.w r1, [r0, #450]
; CHECK-NEXT: movw r1, #49086
; CHECK-NEXT: movt r1, #49600
; CHECK-NEXT: str.w r1, [r0, #446]
; CHECK-NEXT: movw r1, #48058
; CHECK-NEXT: movt r1, #48572
; CHECK-NEXT: str.w r1, [r0, #442]
; CHECK-NEXT: movw r1, #47030
; CHECK-NEXT: movt r1, #47544
; CHECK-NEXT: str.w r1, [r0, #438]
; CHECK-NEXT: movw r1, #46002
; CHECK-NEXT: movt r1, #46516
; CHECK-NEXT: str.w r1, [r0, #434]
; CHECK-NEXT: movw r1, #44974
; CHECK-NEXT: movt r1, #45488
; CHECK-NEXT: str.w r1, [r0, #430]
; CHECK-NEXT: movw r1, #43946
; CHECK-NEXT: movt r1, #44460
; CHECK-NEXT: str.w r1, [r0, #426]
; CHECK-NEXT: movw r1, #42918
; CHECK-NEXT: movt r1, #43432
; CHECK-NEXT: str.w r1, [r0, #422]
; CHECK-NEXT: movw r1, #41890
; CHECK-NEXT: movt r1, #42404
; CHECK-NEXT: str.w r1, [r0, #418]
; CHECK-NEXT: movw r1, #40862
; CHECK-NEXT: movt r1, #41376
; CHECK-NEXT: str.w r1, [r0, #414]
; CHECK-NEXT: movw r1, #39834
; CHECK-NEXT: movt r1, #40348
; CHECK-NEXT: str.w r1, [r0, #410]
; CHECK-NEXT: movw r1, #38806
; CHECK-NEXT: movt r1, #39320
; CHECK-NEXT: str.w r1, [r0, #406]
; CHECK-NEXT: movw r1, #37778
; CHECK-NEXT: movt r1, #38292
; CHECK-NEXT: str.w r1, [r0, #402]
; CHECK-NEXT: movw r1, #36750
; CHECK-NEXT: movt r1, #37264
; CHECK-NEXT: str.w r1, [r0, #398]
; CHECK-NEXT: movw r1, #35722
; CHECK-NEXT: movt r1, #36236
; CHECK-NEXT: str.w r1, [r0, #394]
; CHECK-NEXT: bx lr
%v190 = getelementptr inbounds i8, i8* %v50, i32 394
store i8 -118, i8* %v190, align 1
%v191 = getelementptr inbounds i8, i8* %v50, i32 395
store i8 -117, i8* %v191, align 1
%v192 = getelementptr inbounds i8, i8* %v50, i32 396
store i8 -116, i8* %v192, align 1
%v193 = getelementptr inbounds i8, i8* %v50, i32 397
store i8 -115, i8* %v193, align 1
%v194 = getelementptr inbounds i8, i8* %v50, i32 398
store i8 -114, i8* %v194, align 1
%v195 = getelementptr inbounds i8, i8* %v50, i32 399
store i8 -113, i8* %v195, align 1
%v196 = getelementptr inbounds i8, i8* %v50, i32 400
store i8 -112, i8* %v196, align 1
%v197 = getelementptr inbounds i8, i8* %v50, i32 401
store i8 -111, i8* %v197, align 1
%v198 = getelementptr inbounds i8, i8* %v50, i32 402
store i8 -110, i8* %v198, align 1
%v199 = getelementptr inbounds i8, i8* %v50, i32 403
store i8 -109, i8* %v199, align 1
%v200 = getelementptr inbounds i8, i8* %v50, i32 404
store i8 -108, i8* %v200, align 1
%v201 = getelementptr inbounds i8, i8* %v50, i32 405
store i8 -107, i8* %v201, align 1
%v202 = getelementptr inbounds i8, i8* %v50, i32 406
store i8 -106, i8* %v202, align 1
%v203 = getelementptr inbounds i8, i8* %v50, i32 407
store i8 -105, i8* %v203, align 1
%v204 = getelementptr inbounds i8, i8* %v50, i32 408
store i8 -104, i8* %v204, align 1
%v205 = getelementptr inbounds i8, i8* %v50, i32 409
store i8 -103, i8* %v205, align 1
%v206 = getelementptr inbounds i8, i8* %v50, i32 410
store i8 -102, i8* %v206, align 1
%v207 = getelementptr inbounds i8, i8* %v50, i32 411
store i8 -101, i8* %v207, align 1
%v208 = getelementptr inbounds i8, i8* %v50, i32 412
store i8 -100, i8* %v208, align 1
%v209 = getelementptr inbounds i8, i8* %v50, i32 413
store i8 -99, i8* %v209, align 1
%v210 = getelementptr inbounds i8, i8* %v50, i32 414
store i8 -98, i8* %v210, align 1
%v211 = getelementptr inbounds i8, i8* %v50, i32 415
store i8 -97, i8* %v211, align 1
%v212 = getelementptr inbounds i8, i8* %v50, i32 416
store i8 -96, i8* %v212, align 1
%v213 = getelementptr inbounds i8, i8* %v50, i32 417
store i8 -95, i8* %v213, align 1
%v214 = getelementptr inbounds i8, i8* %v50, i32 418
store i8 -94, i8* %v214, align 1
%v215 = getelementptr inbounds i8, i8* %v50, i32 419
store i8 -93, i8* %v215, align 1
%v216 = getelementptr inbounds i8, i8* %v50, i32 420
store i8 -92, i8* %v216, align 1
%v217 = getelementptr inbounds i8, i8* %v50, i32 421
store i8 -91, i8* %v217, align 1
%v218 = getelementptr inbounds i8, i8* %v50, i32 422
store i8 -90, i8* %v218, align 1
%v219 = getelementptr inbounds i8, i8* %v50, i32 423
store i8 -89, i8* %v219, align 1
%v220 = getelementptr inbounds i8, i8* %v50, i32 424
store i8 -88, i8* %v220, align 1
%v221 = getelementptr inbounds i8, i8* %v50, i32 425
store i8 -87, i8* %v221, align 1
%v222 = getelementptr inbounds i8, i8* %v50, i32 426
store i8 -86, i8* %v222, align 1
%v223 = getelementptr inbounds i8, i8* %v50, i32 427
store i8 -85, i8* %v223, align 1
%v224 = getelementptr inbounds i8, i8* %v50, i32 428
store i8 -84, i8* %v224, align 1
%v225 = getelementptr inbounds i8, i8* %v50, i32 429
store i8 -83, i8* %v225, align 1
%v226 = getelementptr inbounds i8, i8* %v50, i32 430
store i8 -82, i8* %v226, align 1
%v227 = getelementptr inbounds i8, i8* %v50, i32 431
store i8 -81, i8* %v227, align 1
%v228 = getelementptr inbounds i8, i8* %v50, i32 432
store i8 -80, i8* %v228, align 1
%v229 = getelementptr inbounds i8, i8* %v50, i32 433
store i8 -79, i8* %v229, align 1
%v230 = getelementptr inbounds i8, i8* %v50, i32 434
store i8 -78, i8* %v230, align 1
%v231 = getelementptr inbounds i8, i8* %v50, i32 435
store i8 -77, i8* %v231, align 1
%v232 = getelementptr inbounds i8, i8* %v50, i32 436
store i8 -76, i8* %v232, align 1
%v233 = getelementptr inbounds i8, i8* %v50, i32 437
store i8 -75, i8* %v233, align 1
%v234 = getelementptr inbounds i8, i8* %v50, i32 438
store i8 -74, i8* %v234, align 1
%v235 = getelementptr inbounds i8, i8* %v50, i32 439
store i8 -73, i8* %v235, align 1
%v236 = getelementptr inbounds i8, i8* %v50, i32 440
store i8 -72, i8* %v236, align 1
%v237 = getelementptr inbounds i8, i8* %v50, i32 441
store i8 -71, i8* %v237, align 1
%v238 = getelementptr inbounds i8, i8* %v50, i32 442
store i8 -70, i8* %v238, align 1
%v239 = getelementptr inbounds i8, i8* %v50, i32 443
store i8 -69, i8* %v239, align 1
%v240 = getelementptr inbounds i8, i8* %v50, i32 444
store i8 -68, i8* %v240, align 1
%v241 = getelementptr inbounds i8, i8* %v50, i32 445
store i8 -67, i8* %v241, align 1
%v242 = getelementptr inbounds i8, i8* %v50, i32 446
store i8 -66, i8* %v242, align 1
%v243 = getelementptr inbounds i8, i8* %v50, i32 447
store i8 -65, i8* %v243, align 1
%v244 = getelementptr inbounds i8, i8* %v50, i32 448
store i8 -64, i8* %v244, align 1
%v245 = getelementptr inbounds i8, i8* %v50, i32 449
store i8 -63, i8* %v245, align 1
%v246 = getelementptr inbounds i8, i8* %v50, i32 450
store i8 -62, i8* %v246, align 1
%v247 = getelementptr inbounds i8, i8* %v50, i32 451
store i8 -61, i8* %v247, align 1
%v248 = getelementptr inbounds i8, i8* %v50, i32 452
store i8 -60, i8* %v248, align 1
%v249 = getelementptr inbounds i8, i8* %v50, i32 453
store i8 -59, i8* %v249, align 1
%v250 = getelementptr inbounds i8, i8* %v50, i32 454
store i8 -58, i8* %v250, align 1
%v251 = getelementptr inbounds i8, i8* %v50, i32 455
store i8 -57, i8* %v251, align 1
%v252 = getelementptr inbounds i8, i8* %v50, i32 456
store i8 -56, i8* %v252, align 1
%v253 = getelementptr inbounds i8, i8* %v50, i32 457
store i8 -55, i8* %v253, align 1
%v254 = getelementptr inbounds i8, i8* %v50, i32 458
store i8 -54, i8* %v254, align 1
%v255 = getelementptr inbounds i8, i8* %v50, i32 459
store i8 -53, i8* %v255, align 1
%v256 = getelementptr inbounds i8, i8* %v50, i32 460
store i8 -52, i8* %v256, align 1
%v257 = getelementptr inbounds i8, i8* %v50, i32 461
store i8 -51, i8* %v257, align 1
%v258 = getelementptr inbounds i8, i8* %v50, i32 462
store i8 -50, i8* %v258, align 1
%v259 = getelementptr inbounds i8, i8* %v50, i32 463
store i8 -49, i8* %v259, align 1
%v260 = getelementptr inbounds i8, i8* %v50, i32 464
store i8 -48, i8* %v260, align 1
%v261 = getelementptr inbounds i8, i8* %v50, i32 465
store i8 -47, i8* %v261, align 1
%v262 = getelementptr inbounds i8, i8* %v50, i32 466
store i8 -46, i8* %v262, align 1
%v263 = getelementptr inbounds i8, i8* %v50, i32 467
store i8 -45, i8* %v263, align 1
%v264 = getelementptr inbounds i8, i8* %v50, i32 468
store i8 -44, i8* %v264, align 1
%v265 = getelementptr inbounds i8, i8* %v50, i32 469
store i8 -43, i8* %v265, align 1
%v266 = getelementptr inbounds i8, i8* %v50, i32 470
store i8 -42, i8* %v266, align 1
%v267 = getelementptr inbounds i8, i8* %v50, i32 471
store i8 -41, i8* %v267, align 1
%v268 = getelementptr inbounds i8, i8* %v50, i32 472
store i8 -40, i8* %v268, align 1
%v269 = getelementptr inbounds i8, i8* %v50, i32 473
store i8 -39, i8* %v269, align 1
%v270 = getelementptr inbounds i8, i8* %v50, i32 474
store i8 -38, i8* %v270, align 1
%v271 = getelementptr inbounds i8, i8* %v50, i32 475
store i8 -37, i8* %v271, align 1
%v272 = getelementptr inbounds i8, i8* %v50, i32 476
store i8 -36, i8* %v272, align 1
%v273 = getelementptr inbounds i8, i8* %v50, i32 477
store i8 -35, i8* %v273, align 1
%v274 = getelementptr inbounds i8, i8* %v50, i32 478
store i8 -34, i8* %v274, align 1
%v275 = getelementptr inbounds i8, i8* %v50, i32 479
store i8 -33, i8* %v275, align 1
%v276 = getelementptr inbounds i8, i8* %v50, i32 480
store i8 -32, i8* %v276, align 1
%v277 = getelementptr inbounds i8, i8* %v50, i32 481
store i8 -31, i8* %v277, align 1
%v278 = getelementptr inbounds i8, i8* %v50, i32 482
store i8 -30, i8* %v278, align 1
%v279 = getelementptr inbounds i8, i8* %v50, i32 483
store i8 -29, i8* %v279, align 1
%v280 = getelementptr inbounds i8, i8* %v50, i32 484
store i8 -28, i8* %v280, align 1
%v281 = getelementptr inbounds i8, i8* %v50, i32 485
store i8 -27, i8* %v281, align 1
%v282 = getelementptr inbounds i8, i8* %v50, i32 486
store i8 -26, i8* %v282, align 1
%v283 = getelementptr inbounds i8, i8* %v50, i32 487
store i8 -25, i8* %v283, align 1
%v284 = getelementptr inbounds i8, i8* %v50, i32 488
store i8 -24, i8* %v284, align 1
%v285 = getelementptr inbounds i8, i8* %v50, i32 489
store i8 -23, i8* %v285, align 1
%v286 = getelementptr inbounds i8, i8* %v50, i32 490
store i8 -22, i8* %v286, align 1
%v287 = getelementptr inbounds i8, i8* %v50, i32 491
store i8 -21, i8* %v287, align 1
%v288 = getelementptr inbounds i8, i8* %v50, i32 492
store i8 -20, i8* %v288, align 1
%v289 = getelementptr inbounds i8, i8* %v50, i32 493
store i8 -19, i8* %v289, align 1
%v290 = getelementptr inbounds i8, i8* %v50, i32 494
store i8 -18, i8* %v290, align 1
%v291 = getelementptr inbounds i8, i8* %v50, i32 495
store i8 -17, i8* %v291, align 1
%v292 = getelementptr inbounds i8, i8* %v50, i32 496
store i8 -16, i8* %v292, align 1
%v293 = getelementptr inbounds i8, i8* %v50, i32 497
store i8 -15, i8* %v293, align 1
%v294 = getelementptr inbounds i8, i8* %v50, i32 498
store i8 -14, i8* %v294, align 1
%v295 = getelementptr inbounds i8, i8* %v50, i32 499
store i8 -13, i8* %v295, align 1
%v296 = getelementptr inbounds i8, i8* %v50, i32 500
store i8 -12, i8* %v296, align 1
%v297 = getelementptr inbounds i8, i8* %v50, i32 501
store i8 -11, i8* %v297, align 1
%v298 = getelementptr inbounds i8, i8* %v50, i32 502
store i8 -10, i8* %v298, align 1
%v299 = getelementptr inbounds i8, i8* %v50, i32 503
store i8 -9, i8* %v299, align 1
%v300 = getelementptr inbounds i8, i8* %v50, i32 504
store i8 -8, i8* %v300, align 1
%v301 = getelementptr inbounds i8, i8* %v50, i32 505
store i8 -7, i8* %v301, align 1
%v302 = getelementptr inbounds i8, i8* %v50, i32 506
store i8 -6, i8* %v302, align 1
%v303 = getelementptr inbounds i8, i8* %v50, i32 507
store i8 -5, i8* %v303, align 1
%v304 = getelementptr inbounds i8, i8* %v50, i32 508
store i8 -4, i8* %v304, align 1
%v305 = getelementptr inbounds i8, i8* %v50, i32 509
store i8 -3, i8* %v305, align 1
%v306 = getelementptr inbounds i8, i8* %v50, i32 510
store i8 -2, i8* %v306, align 1
%v307 = getelementptr inbounds i8, i8* %v50, i32 511
store i8 -1, i8* %v307, align 1
ret void
}
attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="preserve-sign" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="true" "no-jump-tables"="false" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="cortex-m7" "target-features"="+d16,+dsp,+fp-armv8,+hwdiv,+thumb-mode,-crc,-crypto,-dotprod,-fp-only-sp,-fullfp16,-hwdiv-arm,-neon,-ras" "unsafe-fp-math"="false" "use-soft-float"="false" }
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