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
7 ; CHECK: Classifying expressions for: @main
9 define i32 @main() nounwind {
13 for.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
18 for.body: ; preds = %for.cond
21 for.inc: ; preds = %for.body
22 %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
25 for.end: ; preds = %for.cond