1; REQUIRES: asserts
2; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -S -debug-only=loop-vectorize 2>&1 | FileCheck %s
3
4target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
5target triple = "aarch64--linux-gnu"
6
7; CHECK-LABEL: all_scalar
8; CHECK:       LV: Found scalar instruction: %i.next = add nuw nsw i64 %i, 2
9; CHECK:       LV: Found an estimated cost of 1 for VF 2 For instruction: %i.next = add nuw nsw i64 %i, 2
10; CHECK:       LV: Not considering vector loop of width 2 because it will not generate any vector instructions
11;
12define void @all_scalar(i64* %a, i64 %n) {
13entry:
14  br label %for.body
15
16for.body:
17  %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
18  %tmp0 = getelementptr i64, i64* %a, i64 %i
19  store i64 0, i64* %tmp0, align 1
20  %i.next = add nuw nsw i64 %i, 2
21  %cond = icmp eq i64 %i.next, %n
22  br i1 %cond, label %for.end, label %for.body
23
24for.end:
25  ret void
26}
27
28; CHECK-LABEL: PR33193
29; CHECK:       LV: Found scalar instruction: %i.next = zext i32 %j.next to i64
30; CHECK:       LV: Found an estimated cost of 0 for VF 8 For instruction: %i.next = zext i32 %j.next to i64
31; CHECK:       LV: Not considering vector loop of width 8 because it will not generate any vector instructions
32%struct.a = type { i32, i8 }
33define void @PR33193(%struct.a* %a, i64 %n) {
34entry:
35  br label %for.body
36
37for.body:
38  %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
39  %j = phi i32 [ 0, %entry ], [ %j.next, %for.body ]
40  %tmp0 = getelementptr inbounds %struct.a, %struct.a* %a, i64 %i, i32 1
41  store i8 0, i8* %tmp0, align 4
42  %j.next = add i32 %j, 1
43  %i.next = zext i32 %j.next to i64
44  %cond = icmp ugt i64 %n, %i.next
45  br i1 %cond, label %for.body, label %for.end
46
47for.end:
48  ret void
49}
50