1; RUN: opt -indvars -scalar-evolution -analyze < %s | FileCheck %s
2; This test checks if the SCEV analysis is printed out at all.
3; It failed once as the RequiredTransitive option was not implemented
4; correctly.
5
6; CHECK: Classifying expressions for: @main
7
8define i32 @main() nounwind {
9entry:
10  br label %for.cond
11
12for.cond:                                         ; preds = %for.inc, %entry
13  %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3]
14  %exitcond = icmp ne i64 %indvar1, 1024          ; <i1> [#uses=1]
15  br i1 %exitcond, label %for.body, label %for.end
16
17for.body:                                         ; preds = %for.cond
18  br label %for.inc
19
20for.inc:                                          ; preds = %for.body
21  %indvar.next2 = add i64 %indvar1, 1             ; <i64> [#uses=1]
22  br label %for.cond
23
24for.end:                                          ; preds = %for.cond
25  ret i32 0
26}
27