1 ; RUN: opt -S < %s -indvars | opt -analyze -iv-users | grep {%cmp = icmp slt i32} | grep {= \{%\\.ph,+,1\}<%for.cond>}
4 ; LoopSimplify should invalidate indvars when splitting out the
7 @maxStat = external global i32
9 define i32 @test() nounwind {
13 for.cond: ; preds = %if.then5, %if.end, %entry
14 %cuts.1 = phi i32 [ 0, %entry ], [ %inc, %if.then5 ], [ %cuts.1, %if.end ]
15 %0 = phi i32 [ 0, %entry ], [ %add, %if.end ], [ %add, %if.then5 ]
17 %cmp = icmp slt i32 %0, 1
18 %tmp1 = load i32* @maxStat, align 4
19 br i1 %cmp, label %for.body, label %for.cond14.preheader
21 for.cond14.preheader: ; preds = %for.cond
22 %cmp1726 = icmp sgt i32 %tmp1, 0
23 br i1 %cmp1726, label %for.body18, label %return
25 for.body: ; preds = %for.cond
26 %cmp2 = icmp sgt i32 %tmp1, 100
27 br i1 %cmp2, label %return, label %if.end
29 if.end: ; preds = %for.body
30 %cmp4 = icmp sgt i32 %tmp1, -1
31 br i1 %cmp4, label %if.then5, label %for.cond
33 if.then5: ; preds = %if.end
34 call void @foo() nounwind
35 %inc = add i32 %cuts.1, 1
38 for.body18: ; preds = %for.body18, %for.cond14.preheader
39 %i13.027 = phi i32 [ %1, %for.body18 ], [ 0, %for.cond14.preheader ]
40 call void @foo() nounwind
41 %1 = add nsw i32 %i13.027, 1
42 %tmp16 = load i32* @maxStat, align 4
43 %cmp17 = icmp slt i32 %1, %tmp16
44 br i1 %cmp17, label %for.body18, label %return
46 return: ; preds = %for.body18, %for.body, %for.cond14.preheader
50 declare void @foo() nounwind