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1; RUN: opt -S -mtriple=aarch64 -passes=loop-vectorize -force-vector-width=2 < %s | FileCheck %s2target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"3target triple = "aarch64--linux-gnu"4 5@b = common local_unnamed_addr global i32 0, align 46@a = common local_unnamed_addr global ptr null, align 87 8define i32 @fn1() local_unnamed_addr #0 {9; We expect the backend to expand all reductions.10; CHECK: @llvm.vector.reduce11entry:12 br label %for.body.lr.ph13 14for.body.lr.ph: ; preds = %entry15 %1 = load ptr, ptr @a, align 8, !tbaa !516 %2 = load i32, ptr @b, align 4, !tbaa !117 %3 = sext i32 %2 to i6418 br label %for.body19 20for.body: ; preds = %for.body.lr.ph, %for.body21 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]22 %d.043 = phi i16 [ 0, %for.body.lr.ph ], [ %.sink28, %for.body ]23 %c.042 = phi i16 [ 0, %for.body.lr.ph ], [ %c.0., %for.body ]24 %arrayidx = getelementptr inbounds i16, ptr %1, i64 %indvars.iv25 %4 = load i16, ptr %arrayidx, align 2, !tbaa !726 %cmp2 = icmp sgt i16 %c.042, %427 %c.0. = select i1 %cmp2, i16 %c.042, i16 %428 %cmp13 = icmp slt i16 %d.043, %429 %.sink28 = select i1 %cmp13, i16 %d.043, i16 %430 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 131 %cmp = icmp slt i64 %indvars.iv.next, %332 br i1 %cmp, label %for.body, label %for.end33 34for.end: ; preds = %for.body35 %cmp26 = icmp sgt i16 %c.0., %.sink2836 %conv27 = zext i1 %cmp26 to i3237 ret i32 %conv2738}39 40attributes #0 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" "use-soft-float"="false" }41!llvm.ident = !{!0}42 43!0 = !{!"clang"}44!1 = !{!2, !2, i64 0}45!2 = !{!"int", !3, i64 0}46!3 = !{!"omnipotent char", !4, i64 0}47!4 = !{!"Simple C/C++ TBAA"}48!5 = !{!6, !6, i64 0}49!6 = !{!"any pointer", !3, i64 0}50!7 = !{!8, !8, i64 0}51!8 = !{!"short", !3, i64 0}52