1; RUN: opt -indvars -scalar-evolution -analyze -enable-new-pm=0 < %s | FileCheck %s
2; RUN: opt "-passes=loop(indvars),print<scalar-evolution>" -disable-output < %s 2>&1 | FileCheck %s
3; This test checks if the SCEV analysis is printed out at all.
4; It failed once as the RequiredTransitive option was not implemented
5; correctly.
6
7; CHECK: Classifying expressions for: @main
8
9define i32 @main() nounwind {
10entry:
11  br label %for.cond
12
13for.cond:                                         ; preds = %for.inc, %entry
14  %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3]
15  %exitcond = icmp ne i64 %indvar1, 1024          ; <i1> [#uses=1]
16  br i1 %exitcond, label %for.body, label %for.end
17
18for.body:                                         ; preds = %for.cond
19  br label %for.inc
20
21for.inc:                                          ; preds = %for.body
22  %indvar.next2 = add i64 %indvar1, 1             ; <i64> [#uses=1]
23  br label %for.cond
24
25for.end:                                          ; preds = %for.cond
26  ret i32 0
27}
28