File: vector-shuffle-combining-sse41.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (65 lines) | stat: -rw-r--r-- 3,307 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX

; Combine tests involving SSE41 target shuffles (BLEND,INSERTPS,MOVZX)

declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>)

define <16 x i8> @combine_vpshufb_as_movzx(<16 x i8> %a0) {
; SSE-LABEL: combine_vpshufb_as_movzx:
; SSE:       # %bb.0:
; SSE-NEXT:    pmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
; SSE-NEXT:    retq
;
; AVX-LABEL: combine_vpshufb_as_movzx:
; AVX:       # %bb.0:
; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
; AVX-NEXT:    retq
  %res0 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %a0, <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 -1, i8 -1, i8 -1, i8 -1, i8 undef, i8 undef, i8 undef, i8 undef, i8 -1, i8 -1, i8 -1, i8 -1>)
  ret <16 x i8> %res0
}

define <16 x i8> @PR50049(<48 x i8>* %p1, <48 x i8>* %p2) {
; SSE-LABEL: PR50049:
; SSE:       # %bb.0:
; SSE-NEXT:    movdqa (%rdi), %xmm2
; SSE-NEXT:    movdqa 16(%rdi), %xmm0
; SSE-NEXT:    movdqa 32(%rdi), %xmm1
; SSE-NEXT:    movdqa (%rsi), %xmm4
; SSE-NEXT:    movdqa 16(%rsi), %xmm5
; SSE-NEXT:    movdqa 32(%rsi), %xmm3
; SSE-NEXT:    movdqa {{.*#+}} xmm6 = <128,128,128,128,128,128,2,5,8,11,14,u,u,u,u,u>
; SSE-NEXT:    pshufb %xmm6, %xmm0
; SSE-NEXT:    movdqa {{.*#+}} xmm7 = <0,3,6,9,12,15,128,128,128,128,128,u,u,u,u,u>
; SSE-NEXT:    pshufb %xmm7, %xmm2
; SSE-NEXT:    por %xmm0, %xmm2
; SSE-NEXT:    pshufb %xmm6, %xmm5
; SSE-NEXT:    pshufb %xmm7, %xmm4
; SSE-NEXT:    por %xmm5, %xmm4
; SSE-NEXT:    pmovzxbw {{.*#+}} xmm5 = xmm4[0],zero,xmm4[1],zero,xmm4[2],zero,xmm4[3],zero,xmm4[4],zero,xmm4[5],zero,xmm4[6],zero,xmm4[7],zero
; SSE-NEXT:    pmovzxbw {{.*#+}} xmm0 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; SSE-NEXT:    pmullw %xmm5, %xmm0
; SSE-NEXT:    movdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
; SSE-NEXT:    pand %xmm5, %xmm0
; SSE-NEXT:    movdqa {{.*#+}} xmm6 = <8,u,9,u,10,u,128,u,128,u,128,u,128,u,128,u>
; SSE-NEXT:    pshufb %xmm6, %xmm4
; SSE-NEXT:    movdqa {{.*#+}} xmm7 = <128,u,128,u,128,u,1,u,4,u,7,u,10,u,13,u>
; SSE-NEXT:    pshufb %xmm7, %xmm3
; SSE-NEXT:    por %xmm4, %xmm3
; SSE-NEXT:    pshufb %xmm6, %xmm2
; SSE-NEXT:    pshufb %xmm7, %xmm1
; SSE-NEXT:    por %xmm2, %xmm1
; SSE-NEXT:    pmullw %xmm3, %xmm1
; SSE-NEXT:    pand %xmm5, %xmm1
; SSE-NEXT:    packuswb %xmm1, %xmm0
; SSE-NEXT:    retq
  %x1 = load <48 x i8>, <48 x i8>* %p1, align 16
  %x2 = load <48 x i8>, <48 x i8>* %p2, align 16
  %s1 = shufflevector <48 x i8> %x1, <48 x i8> poison, <16 x i32> <i32 0, i32 3, i32 6, i32 9, i32 12, i32 15, i32 18, i32 21, i32 24, i32 27, i32 30, i32 33, i32 36, i32 39, i32 42, i32 45>
  %s2 = shufflevector <48 x i8> %x2, <48 x i8> poison, <16 x i32> <i32 0, i32 3, i32 6, i32 9, i32 12, i32 15, i32 18, i32 21, i32 24, i32 27, i32 30, i32 33, i32 36, i32 39, i32 42, i32 45>
  %r = mul <16 x i8> %s1, %s2
  ret <16 x i8> %r
}