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11f2bf7f15
This catches many cases where we can emit a more efficient shuffle for a specific mask or when the mask contains undefs. Once the splat is lowered to unpacks we can't do that anymore. There is a possibility of moving the promotion after pshufb matching, but I'm not sure if pshufb with a mask loaded from memory is faster than 3 shuffles, so I avoided that for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173569 91177308-0d34-0410-b5e6-96231b3b80d8
231 lines
8.7 KiB
LLVM
231 lines
8.7 KiB
LLVM
; RUN: llc <%s -march=x86 -mcpu=penryn -mattr=sse41 | FileCheck %s
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; Splat test for v8i16
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define <8 x i16> @shuf_8i16_0(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 0, i32 undef, i32 undef, i32 0, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_0:
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; CHECK: pshuflw $0
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}
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define <8 x i16> @shuf_8i16_1(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 1, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_1:
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; CHECK: pshuflw $5
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}
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define <8 x i16> @shuf_8i16_2(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 2, i32 undef, i32 undef, i32 2, i32 undef, i32 2, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_2:
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; CHECK: punpcklwd
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; CHECK-NEXT: pshufd $-86
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}
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define <8 x i16> @shuf_8i16_3(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 3, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_3:
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; CHECK: pshuflw $15
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}
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define <8 x i16> @shuf_8i16_4(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 4, i32 undef, i32 undef, i32 undef, i32 4, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_4:
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; CHECK: movhlps
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}
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define <8 x i16> @shuf_8i16_5(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 5, i32 undef, i32 undef, i32 5, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_5:
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; CHECK: punpckhwd
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; CHECK-NEXT: pshufd $85
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}
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define <8 x i16> @shuf_8i16_6(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 6, i32 6, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_6:
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; CHECK: punpckhwd
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; CHECK-NEXT: pshufd $-86
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}
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define <8 x i16> @shuf_8i16_7(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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%tmp6 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> <i32 7, i32 undef, i32 undef, i32 7, i32 undef, i32 undef, i32 undef, i32 undef>
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ret <8 x i16> %tmp6
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; CHECK: shuf_8i16_7:
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; CHECK: punpckhwd
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; CHECK-NEXT: pshufd $-1
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}
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; Splat test for v16i8
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define <16 x i8> @shuf_16i8_8(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 0, i32 undef, i32 undef, i32 0, i32 undef, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_8:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $0
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}
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define <16 x i8> @shuf_16i8_9(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 1, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef >
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_9:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $85
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}
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define <16 x i8> @shuf_16i8_10(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 2, i32 undef, i32 undef, i32 2, i32 undef, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_10:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $-86
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}
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define <16 x i8> @shuf_16i8_11(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 3, i32 undef, i32 undef, i32 3, i32 undef, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_11:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $-1
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}
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define <16 x i8> @shuf_16i8_12(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 4, i32 undef, i32 undef, i32 undef, i32 4, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef >
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_12:
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; CHECK: pshufd $5
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}
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define <16 x i8> @shuf_16i8_13(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 5, i32 undef, i32 undef, i32 5, i32 undef, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_13:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $85
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}
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define <16 x i8> @shuf_16i8_14(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 6, i32 undef, i32 undef, i32 6, i32 undef, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_14:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $-86
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}
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define <16 x i8> @shuf_16i8_15(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 7, i32 undef, i32 undef, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef >
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_15:
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; CHECK: punpcklbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $-1
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}
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define <16 x i8> @shuf_16i8_16(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 8, i32 undef, i32 undef, i32 8, i32 undef, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_16:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $0
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}
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define <16 x i8> @shuf_16i8_17(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 9, i32 undef, i32 undef, i32 9, i32 undef, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_17:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $85
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}
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define <16 x i8> @shuf_16i8_18(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 10, i32 undef, i32 undef, i32 10, i32 undef, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_18:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $-86
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}
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define <16 x i8> @shuf_16i8_19(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 11, i32 undef, i32 undef, i32 11, i32 undef, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_19:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpcklbw
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; CHECK-NEXT: pshufd $-1
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}
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define <16 x i8> @shuf_16i8_20(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 12, i32 undef, i32 undef, i32 12, i32 undef, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_20:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $0
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}
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define <16 x i8> @shuf_16i8_21(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 13, i32 undef, i32 undef, i32 13, i32 undef, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_21:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $85
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}
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define <16 x i8> @shuf_16i8_22(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 14, i32 undef, i32 undef, i32 14, i32 undef, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_22:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $-86
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}
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define <16 x i8> @shuf_16i8_23(<16 x i8> %T0, <16 x i8> %T1) nounwind readnone {
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%tmp6 = shufflevector <16 x i8> %T0, <16 x i8> %T1, <16 x i32> <i32 15, i32 undef, i32 undef, i32 15, i32 undef, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
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ret <16 x i8> %tmp6
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; CHECK: shuf_16i8_23:
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; CHECK: punpckhbw
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; CHECK-NEXT: punpckhbw
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; CHECK-NEXT: pshufd $-1
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}
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