1; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=2 -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4
5; Make sure that we can handle multiple integer induction variables.
6; CHECK-LABEL: @multi_int_induction(
7; CHECK: vector.body:
8; CHECK:  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
9; CHECK:  %normalized.idx = sub i64 %index, 0
10; CHECK:  %[[VAR:.*]] = trunc i64 %normalized.idx to i32
11; CHECK:  %offset.idx = add i32 190, %[[VAR]]
12define void @multi_int_induction(i32* %A, i32 %N) {
13for.body.lr.ph:
14  br label %for.body
15
16for.body:
17  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
18  %count.09 = phi i32 [ 190, %for.body.lr.ph ], [ %inc, %for.body ]
19  %arrayidx2 = getelementptr inbounds i32* %A, i64 %indvars.iv
20  store i32 %count.09, i32* %arrayidx2, align 4
21  %inc = add nsw i32 %count.09, 1
22  %indvars.iv.next = add i64 %indvars.iv, 1
23  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
24  %exitcond = icmp ne i32 %lftr.wideiv, %N
25  br i1 %exitcond, label %for.body, label %for.end
26
27for.end:
28  ret void
29}
30
31