1 ; RUN: opt -S -mtriple=aarch64 -passes=loop-vectorize -force-vector-width=2 < %s | FileCheck %s
2 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
3 target triple = "aarch64--linux-gnu"
5 @b = common local_unnamed_addr global i32 0, align 4
6 @a = common local_unnamed_addr global ptr null, align 8
8 define i32 @fn1() local_unnamed_addr #0 {
9 ; We expect the backend to expand all reductions.
10 ; CHECK: @llvm.vector.reduce
12 %0 = load i32, ptr @b, align 4, !tbaa !1
13 %cmp40 = icmp sgt i32 %0, 0
14 br i1 %cmp40, label %for.body.lr.ph, label %for.end
16 for.body.lr.ph: ; preds = %entry
17 %1 = load ptr, ptr @a, align 8, !tbaa !5
18 %2 = load i32, ptr @b, align 4, !tbaa !1
19 %3 = sext i32 %2 to i64
22 for.body: ; preds = %for.body.lr.ph, %for.body
23 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
24 %d.043 = phi i16 [ undef, %for.body.lr.ph ], [ %.sink28, %for.body ]
25 %c.042 = phi i16 [ undef, %for.body.lr.ph ], [ %c.0., %for.body ]
26 %arrayidx = getelementptr inbounds i16, ptr %1, i64 %indvars.iv
27 %4 = load i16, ptr %arrayidx, align 2, !tbaa !7
28 %cmp2 = icmp sgt i16 %c.042, %4
29 %c.0. = select i1 %cmp2, i16 %c.042, i16 %4
30 %cmp13 = icmp slt i16 %d.043, %4
31 %.sink28 = select i1 %cmp13, i16 %d.043, i16 %4
32 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
33 %cmp = icmp slt i64 %indvars.iv.next, %3
34 br i1 %cmp, label %for.body, label %for.end
36 for.end: ; preds = %for.body, %entry
37 %c.0.lcssa = phi i16 [ undef, %entry ], [ %c.0., %for.body ]
38 %d.0.lcssa = phi i16 [ undef, %entry ], [ %.sink28, %for.body ]
39 %cmp26 = icmp sgt i16 %c.0.lcssa, %d.0.lcssa
40 %conv27 = zext i1 %cmp26 to i32
44 attributes #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" "unsafe-fp-math"="false" "use-soft-float"="false" }
49 !2 = !{!"int", !3, i64 0}
50 !3 = !{!"omnipotent char", !4, i64 0}
51 !4 = !{!"Simple C/C++ TBAA"}
53 !6 = !{!"any pointer", !3, i64 0}
55 !8 = !{!"short", !3, i64 0}