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1; RUN: llc -mtriple=hexagon -hexagon-hvx-widen=32 < %s | FileCheck %s2 3; Check that we don't generate lots of vinserts (of 0 that should be undef).4; CHECK: vinsert5; CHECK: vinsert6; CHECK-NOT: vinsert7 8target 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"9target triple = "hexagon"10 11define dllexport void @f0(ptr noalias align 128 %a0) #0 {12b0:13 %v1 = getelementptr inbounds i32, ptr %a0, i32 undef14 br label %b115 16b1: ; preds = %b017 %v3 = load i8, ptr undef, align 118 %v4 = insertelement <7 x i8> undef, i8 %v3, i32 019 %v5 = shufflevector <7 x i8> %v4, <7 x i8> undef, <7 x i32> zeroinitializer20 %v6 = zext <7 x i8> %v5 to <7 x i32>21 %v7 = load <7 x i8>, ptr undef, align 122 %v8 = zext <7 x i8> %v7 to <7 x i32>23 %v9 = mul nsw <7 x i32> %v6, %v824 %v10 = add nsw <7 x i32> %v9, zeroinitializer25 store <7 x i32> %v10, ptr %v1, align 426 ret void27}28 29attributes #0 = { nounwind "target-cpu"="hexagonv66" "target-features"="+hvx,+hvx-length128b" }30 31