1; RUN: opt < %s -analyze -scalar-evolution 2>&1 | FileCheck %s
2
3; CHECK: Loop %bb: backedge-taken count is (7 + (-1 * %argc))
4
5define i32 @main(i32 %argc, i8** %argv) nounwind {
6entry:
7	%0 = icmp ugt i32 %argc, 7		; <i1> [#uses=1]
8	br i1 %0, label %bb2, label %bb.nph
9
10bb.nph:		; preds = %entry
11	br label %bb
12
13bb:		; preds = %bb.nph, %bb1
14	%indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb1 ]		; <i32> [#uses=2]
15	%argc_addr.04 = add i32 %indvar, %argc		; <i32> [#uses=1]
16	tail call void (...) @Test() nounwind
17	%1 = add i32 %argc_addr.04, 1		; <i32> [#uses=1]
18	br label %bb1
19
20bb1:		; preds = %bb
21	%phitmp = icmp ugt i32 %1, 7		; <i1> [#uses=1]
22	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=1]
23	br i1 %phitmp, label %bb1.bb2_crit_edge, label %bb
24
25bb1.bb2_crit_edge:		; preds = %bb1
26	br label %bb2
27
28bb2:		; preds = %bb1.bb2_crit_edge, %entry
29	ret i32 0
30}
31
32declare void @Test(...)
33