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1; RUN: opt -indvars -S < %s | FileCheck %s
2
3
4; Ensure that does not crash
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9define void @f() {
10; CHECK-LABEL: @f(
11entry:
12  br label %for.end
13
14for.condt:                         ; preds = %for.end
15  br i1 true, label %for.cond.0, label %for.end
16
17for.end:                                          ; preds = %for.body.3
18  %inc = select i1 undef, i32 2, i32 1
19  br i1 false, label %for.condt, label %for.cond.0
20
21for.cond.0:                       ; preds = %for.end, %for.condt
22  %init = phi i32 [ 0, %for.condt ], [ %inc, %for.end ]
23  br i1 true, label %for.end.13, label %for.body.9
24
25for.body.9:                                       ; preds = %for.body.9, %for.cond.0
26  %p1.addr.22 = phi i32 [ %inc10, %for.body.9 ], [ %init, %for.cond.0 ]
27  %inc10 = add i32 %p1.addr.22, 1
28  br i1 true, label %for.end.13, label %for.body.9
29
30for.end.13:                                       ; preds = %for.cond.7.for.end.13_crit_edge, %for.cond.0
31  %p1.addr.2.lcssa = phi i32 [ %inc10, %for.body.9 ], [ %init, %for.cond.0 ]
32  ret void
33}
34