1; RUN: opt < %s -scalar-evolution-max-arith-depth=0  -indvars  -S | FileCheck %s
2
3target datalayout = "e-m:e-i32:64-f80:128-n8:16:32:64-S128-ni:1"
4target triple = "x86_64-unknown-linux-gnu"
5
6; Check that it does not crash because SCEVAddRec's step is not an AddRec.
7
8define void @pr35890(i32* %inc_ptr, i32 %a) {
9
10; CHECK-LABEL: @pr35890(
11
12entry:
13  %inc = load i32, i32* %inc_ptr, !range !0
14  %ne.cond = icmp ne i32 %inc, 0
15  br i1 %ne.cond, label %loop, label %bail
16
17loop:
18  %iv = phi i32 [ 0, %entry ], [ %iv.next, %backedge ]
19  %a.1 = add i32 %a, 1
20  %iv.next = add i32 %iv, %a.1
21  %iv.wide = zext i32 %iv to i64
22  %iv.square = mul i64 %iv.wide, %iv.wide
23  %iv.cube = mul i64 %iv.square, %iv.wide
24  %brcond = icmp slt i64 %iv.wide, %iv.cube
25  br i1 %brcond, label %if.true, label %if.false
26
27if.true:
28  br label %backedge
29
30if.false:
31  br label %backedge
32
33backedge:
34  %loopcond = icmp slt i32 %iv, 200
35  br i1 %loopcond, label %loop, label %exit
36
37exit:
38  ret void
39
40bail:
41  ret void
42}
43
44!0 = !{i32 0, i32 100}
45