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23 lines
953 B
LLVM
23 lines
953 B
LLVM
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 | FileCheck %s
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define void @shuffle_v16i16(<16 x i16>* %a) {
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; CHECK-LABEL: shuffle_v16i16:
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; CHECK: vpshufb {{.*}}%ymm
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; CHECK-NOT: vpshufb {{.*}}%xmm
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entry:
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%0 = load <16 x i16>* %a, align 32
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%shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15>
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store <16 x i16> %shuffle, <16 x i16>* %a, align 32
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ret void
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}
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define void @shuffle_v16i16_lanecrossing(<16 x i16>* %a) {
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; CHECK-LABEL: shuffle_v16i16_lanecrossing:
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; CHECK-NOT: vpshufb {{.*}}%ymm
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entry:
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%0 = load <16 x i16>* %a, align 32
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%shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 13, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15>
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store <16 x i16> %shuffle, <16 x i16>* %a, align 32
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ret void
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}
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