50 lines
2.3 KiB
LLVM
50 lines
2.3 KiB
LLVM
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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;
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; Test that vperm is not used if a single unpack is enough.
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define <4 x i32> @fun0(<4 x i32>* %Src) nounwind {
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; CHECK-LABEL: fun0:
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; CHECK-NOT: vperm
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%tmp = load <4 x i32>, <4 x i32>* %Src
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%tmp2 = shufflevector <4 x i32> zeroinitializer, <4 x i32> %tmp, <4 x i32> <i32 0, i32 4, i32 2, i32 5>
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ret <4 x i32> %tmp2
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}
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define void @fun1(i8 %Src, <32 x i8>* %Dst) nounwind {
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; CHECK-LABEL: fun1:
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; CHECK-NOT: vperm
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%I0 = insertelement <16 x i8> undef, i8 %Src, i32 0
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%I1 = insertelement <16 x i8> %I0, i8 %Src, i32 1
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%I2 = insertelement <16 x i8> %I1, i8 %Src, i32 2
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%I3 = insertelement <16 x i8> %I2, i8 %Src, i32 3
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%I4 = insertelement <16 x i8> %I3, i8 %Src, i32 4
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%I5 = insertelement <16 x i8> %I4, i8 %Src, i32 5
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%I6 = insertelement <16 x i8> %I5, i8 %Src, i32 6
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%I7 = insertelement <16 x i8> %I6, i8 %Src, i32 7
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%I8 = insertelement <16 x i8> %I7, i8 %Src, i32 8
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%I9 = insertelement <16 x i8> %I8, i8 %Src, i32 9
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%I10 = insertelement <16 x i8> %I9, i8 %Src, i32 10
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%I11 = insertelement <16 x i8> %I10, i8 %Src, i32 11
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%I12 = insertelement <16 x i8> %I11, i8 %Src, i32 12
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%I13 = insertelement <16 x i8> %I12, i8 %Src, i32 13
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%I14 = insertelement <16 x i8> %I13, i8 %Src, i32 14
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%I15 = insertelement <16 x i8> %I14, i8 %Src, i32 15
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%tmp = shufflevector <16 x i8> zeroinitializer,
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<16 x i8> %I15,
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<32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
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i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15,
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i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23,
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i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
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%tmp9 = shufflevector <32 x i8> undef,
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<32 x i8> %tmp,
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<32 x i32> <i32 33, i32 32, i32 48, i32 49, i32 1, i32 17, i32 50, i32 51,
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i32 2, i32 18, i32 52, i32 53, i32 3, i32 19, i32 54, i32 55,
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i32 4, i32 20, i32 56, i32 57, i32 5, i32 21, i32 58, i32 59,
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i32 6, i32 22, i32 60, i32 61, i32 7, i32 62, i32 55, i32 63>
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store <32 x i8> %tmp9, <32 x i8>* %Dst
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ret void
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}
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