1; RUN: opt < %s -scalar-evolution -analyze -enable-new-pm=0 | FileCheck %s 2; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s 3 4; CHECK: Loop %header: backedge-taken count is (0 smax %n) 5 6define void @foo(i32 %n) { 7entry: 8 br label %header 9header: 10 %i = phi i32 [ 0, %entry ], [ %i.inc, %next ] 11 %cond = icmp sgt i32 %n, %i 12 br i1 %cond, label %next, label %return 13next: 14 %i.inc = add i32 %i, 1 15 br label %header 16return: 17 ret void 18} 19