; RUN: opt -analyze -scalar-evolution < %s | FileCheck %s declare i1 @use(i64) define void @f_0() { ; CHECK-LABEL: Classifying expressions for: @f_0 ; CHECK: %iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ] ; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop> ; CHECK: %iv.inc.maywrap = add i32 %iv, 1 ; CHECK-NEXT: --> {1,+,1}<nuw><%loop> ; CHECK: %iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64 ; CHECK-NEXT: --> (sext i32 {1,+,1}<nuw><%loop> to i64) entry: br label %loop loop: %iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ] %iv.inc.maywrap = add i32 %iv, 1 %iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64 %cond0 = call i1 @use(i64 %iv.inc.maywrap.sext) br i1 %cond0, label %be, label %leave be: %iv.inc.nowrap = add nsw i32 %iv, 1 %be.cond = call i1 @use(i64 0) ;; Get an unanalyzable value br i1 %be.cond, label %loop, label %leave leave: ret void }