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42 lines
1.8 KiB
42 lines
1.8 KiB
4 months ago
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; During lowering, a BUILD_VECTOR of undef values was created. This was
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; not properly handled by buildHvxVectorReg, which tried to generate a
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; splat, but had no source value.
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;
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; Check that this compiles successfully.
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; CHECK: vsplat
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target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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target triple = "hexagon"
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@g0 = global <32 x i8> zeroinitializer
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define void @fred(i8* %a0) #0 {
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b0:
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%v1 = load i8, i8* %a0, align 1
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%v2 = insertelement <32 x i8> undef, i8 %v1, i32 31
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%v3 = zext <32 x i8> %v2 to <32 x i16>
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%v4 = add nuw nsw <32 x i16> %v3, zeroinitializer
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%v5 = add nuw nsw <32 x i16> %v4, zeroinitializer
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%v6 = add nuw nsw <32 x i16> %v5, zeroinitializer
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%v7 = add nuw nsw <32 x i16> %v6, zeroinitializer
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%v8 = add nuw nsw <32 x i16> %v7, zeroinitializer
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%v9 = add nuw nsw <32 x i16> %v8, zeroinitializer
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%v10 = add <32 x i16> %v9, zeroinitializer
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%v11 = add <32 x i16> %v10, zeroinitializer
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%v12 = add <32 x i16> %v11, zeroinitializer
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%v13 = add <32 x i16> %v12, zeroinitializer
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%v14 = add <32 x i16> %v13, zeroinitializer
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%v15 = add <32 x i16> %v14, zeroinitializer
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%v16 = add <32 x i16> %v15, zeroinitializer
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%v17 = add <32 x i16> %v16, zeroinitializer
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%v18 = add <32 x i16> %v17, zeroinitializer
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%v19 = lshr <32 x i16> %v18, <i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4>
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%v20 = trunc <32 x i16> %v19 to <32 x i8>
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store <32 x i8> %v20, <32 x i8>* @g0, align 1
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ret void
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}
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attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvx-length64b,+hvxv60" }
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