1 ; RUN: opt < %s -loop-accesses -analyze | FileCheck %s
2 ; RUN: opt -passes='require<scalar-evolution>,require<aa>,loop(print-access-info)' -disable-output < %s 2>&1 | FileCheck %s
4 ; Test to confirm LAA will not find store to invariant address.
5 ; Inner loop has no store to invariant address.
7 ; for(; i < itr; i++) {
8 ; for(; j < itr; j++) {
9 ; var2[j] = var2[j] + var1[i];
13 ; CHECK: Non vectorizable stores to invariant address were not found in loop.
14 ; CHECK-NOT: Non vectorizable stores to invariant address were found in loop.
17 define i32 @foo(i32* nocapture readonly %var1, i32* nocapture %var2, i32 %itr) #0 {
19 %cmp20 = icmp eq i32 %itr, 0
20 br i1 %cmp20, label %for.end10, label %for.cond1.preheader
22 for.cond1.preheader: ; preds = %entry, %for.inc8
23 %indvars.iv23 = phi i64 [ %indvars.iv.next24, %for.inc8 ], [ 0, %entry ]
24 %j.022 = phi i32 [ %j.1.lcssa, %for.inc8 ], [ 0, %entry ]
25 %cmp218 = icmp ult i32 %j.022, %itr
26 br i1 %cmp218, label %for.body3.lr.ph, label %for.inc8
28 for.body3.lr.ph: ; preds = %for.cond1.preheader
29 %arrayidx5 = getelementptr inbounds i32, i32* %var1, i64 %indvars.iv23
30 %0 = zext i32 %j.022 to i64
33 for.body3: ; preds = %for.body3, %for.body3.lr.ph
34 %indvars.iv = phi i64 [ %0, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ]
35 %arrayidx = getelementptr inbounds i32, i32* %var2, i64 %indvars.iv
36 %1 = load i32, i32* %arrayidx, align 4
37 %2 = load i32, i32* %arrayidx5, align 4
38 %add = add nsw i32 %2, %1
39 store i32 %add, i32* %arrayidx, align 4
40 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
41 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
42 %exitcond = icmp eq i32 %lftr.wideiv, %itr
43 br i1 %exitcond, label %for.inc8, label %for.body3
45 for.inc8: ; preds = %for.body3, %for.cond1.preheader
46 %j.1.lcssa = phi i32 [ %j.022, %for.cond1.preheader ], [ %itr, %for.body3 ]
47 %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
48 %lftr.wideiv25 = trunc i64 %indvars.iv.next24 to i32
49 %exitcond26 = icmp eq i32 %lftr.wideiv25, %itr
50 br i1 %exitcond26, label %for.end10, label %for.cond1.preheader
52 for.end10: ; preds = %for.inc8, %entry