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 8 define i32 @main() nounwind { 9 entry: 10 br label %for.cond 11 12 for.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 17 for.body: ; preds = %for.cond 18 br label %for.inc 19 20 for.inc: ; preds = %for.body 21 %indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1] 22 br label %for.cond 23 24 for.end: ; preds = %for.cond 25 ret i32 0 26 } 27
