1; RUN: opt < %s -analyze -scalar-evolution \
2; RUN:   -scalar-evolution-max-iterations=0 | FileCheck %s
3; PR2607
4
5define i32 @_Z1aj(i32 %j) nounwind  {
6entry:
7	icmp sgt i32 0, %j		; <i1>:0 [#uses=1]
8	br i1 %0, label %bb.preheader, label %return
9
10bb.preheader:		; preds = %entry
11	br label %bb
12
13bb:		; preds = %bb, %bb.preheader
14	%i.01 = phi i32 [ %1, %bb ], [ 0, %bb.preheader ]		; <i32> [#uses=1]
15	add i32 %i.01, -1		; <i32>:1 [#uses=3]
16	icmp sgt i32 %1, %j		; <i1>:2 [#uses=1]
17	br i1 %2, label %bb, label %return.loopexit
18
19return.loopexit:		; preds = %bb
20	br label %return
21
22return:		; preds = %return.loopexit, %entry
23	%i.0.lcssa = phi i32 [ 0, %entry ], [ %1, %return.loopexit ]		; <i32> [#uses=1]
24	ret i32 %i.0.lcssa
25}
26
27; CHECK: backedge-taken count is (-1 + (-1 * %j))
28
29