1; RUN: opt -analyze -enable-new-pm=0 -scalar-evolution < %s | FileCheck %s 2; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s 3 4declare i1 @use(i64) 5 6define void @f_0() { 7; CHECK-LABEL: Classifying expressions for: @f_0 8 9; CHECK: %iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ] 10; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop> 11; CHECK: %iv.inc.maywrap = add i32 %iv, 1 12; CHECK-NEXT: --> {1,+,1}<nuw><%loop> 13; CHECK: %iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64 14; CHECK-NEXT: --> (sext i32 {1,+,1}<nuw><%loop> to i64) 15entry: 16 br label %loop 17 18loop: 19 %iv = phi i32 [ 0, %entry ], [ %iv.inc.nowrap, %be ] 20 %iv.inc.maywrap = add i32 %iv, 1 21 %iv.inc.maywrap.sext = sext i32 %iv.inc.maywrap to i64 22 %cond0 = call i1 @use(i64 %iv.inc.maywrap.sext) 23 br i1 %cond0, label %be, label %leave 24 25be: 26 %iv.inc.nowrap = add nsw i32 %iv, 1 27 %be.cond = call i1 @use(i64 0) ;; Get an unanalyzable value 28 br i1 %be.cond, label %loop, label %leave 29 30leave: 31 ret void 32} 33