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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -x86-experimental-vector-shuffle-lowering | FileCheck %s --check-prefix=CHECK-SSE2
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"
define <16 x i8> @shuffle_v16i8_0101010101010101(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_0101010101010101
; CHECK-SSE2: pshufd {{.*}} # xmm0 = xmm0[0,1,0,3]
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm0 = xmm0[0,0,0,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,4,4,4,4]
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1>
ret <16 x i8> %shuffle
}
define <16 x i8> @shuffle_v16i8_00_16_01_17_02_18_03_19_04_20_05_21_06_22_07_23(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_00_16_01_17_02_18_03_19_04_20_05_21_06_22_07_23
; CHECK-SSE2: punpcklbw %xmm1, %xmm0
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23>
ret <16 x i8> %shuffle
}
define <16 x i8> @shuffle_v16i8_16_00_16_01_16_02_16_03_16_04_16_05_16_06_16_07(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_16_00_16_01_16_02_16_03_16_04_16_05_16_06_16_07
; CHECK-SSE2: punpcklbw %xmm0, %xmm1
; CHECK-SSE2-NEXT: pshufd {{.*}} # xmm1 = xmm1[0,1,0,3]
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm1 = xmm1[0,0,0,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,4,4,4,4]
; CHECK-SSE2-NEXT: packuswb %xmm0, %xmm1
; CHECK-SSE2-NEXT: punpcklbw %xmm0, %xmm1
; CHECK-SSE2-NEXT: movdqa %xmm1, %xmm0
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 16, i32 0, i32 16, i32 1, i32 16, i32 2, i32 16, i32 3, i32 16, i32 4, i32 16, i32 5, i32 16, i32 6, i32 16, i32 7>
ret <16 x i8> %shuffle
}
define <16 x i8> @shuffle_v16i8_03_02_01_00_07_06_05_04_11_10_09_08_15_14_13_12(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_03_02_01_00_07_06_05_04_11_10_09_08_15_14_13_12
; CHECK-SSE2: movdqa %xmm0, %xmm1
; CHECK-SSE2-NEXT: punpckhbw %xmm0, %xmm1
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm1 = xmm1[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: punpcklbw %xmm0, %xmm0
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm0 = xmm0[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: packuswb %xmm1, %xmm0
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 11, i32 10, i32 9, i32 8, i32 15, i32 14, i32 13, i32 12>
ret <16 x i8> %shuffle
}
define <16 x i8> @shuffle_v16i8_03_02_01_00_07_06_05_04_19_18_17_16_23_22_21_20(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_03_02_01_00_07_06_05_04_19_18_17_16_23_22_21_20
; CHECK-SSE2: punpcklbw %xmm0, %xmm1
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm1 = xmm1[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: punpcklbw %xmm0, %xmm0
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm0 = xmm0[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm0 = xmm0[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: packuswb %xmm1, %xmm0
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 19, i32 18, i32 17, i32 16, i32 23, i32 22, i32 21, i32 20>
ret <16 x i8> %shuffle
}
define <16 x i8> @shuffle_v16i8_03_02_01_00_31_30_29_28_11_10_09_08_23_22_21_20(<16 x i8> %a, <16 x i8> %b) {
; CHECK-SSE2-LABEL: @shuffle_v16i8_03_02_01_00_31_30_29_28_11_10_09_08_23_22_21_20
; CHECK-SSE2: movdqa %xmm1, %xmm2
; CHECK-SSE2-NEXT: punpcklbw %xmm0, %xmm2
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm2 = xmm2[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: movdqa %xmm0, %xmm3
; CHECK-SSE2-NEXT: punpckhbw %xmm0, %xmm3
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm3 = xmm3[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: shufpd {{.*}} # xmm3 = xmm3[0],xmm2[1]
; CHECK-SSE2-NEXT: punpckhbw %xmm0, %xmm1
; CHECK-SSE2-NEXT: pshufhw {{.*}} # xmm1 = xmm1[0,1,2,3,7,6,5,4]
; CHECK-SSE2-NEXT: punpcklbw %xmm0, %xmm0
; CHECK-SSE2-NEXT: pshuflw {{.*}} # xmm0 = xmm0[3,2,1,0,4,5,6,7]
; CHECK-SSE2-NEXT: shufpd {{.*}} # xmm0 = xmm0[0],xmm1[1]
; CHECK-SSE2-NEXT: packuswb %xmm3, %xmm0
; CHECK-SSE2-NEXT: retq
%shuffle = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 3, i32 2, i32 1, i32 0, i32 31, i32 30, i32 29, i32 28, i32 11, i32 10, i32 9, i32 8, i32 23, i32 22, i32 21, i32 20>
ret <16 x i8> %shuffle
}
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