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1; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s2 3; CHECK: Loop %header: backedge-taken count is (0 smax %n)4 5define void @foo(i32 %n) {6entry:7 br label %header8header:9 %i = phi i32 [ 0, %entry ], [ %i.inc, %next ]10 %cond = icmp sgt i32 %n, %i11 br i1 %cond, label %next, label %return12next:13 %i.inc = add i32 %i, 114 br label %header15return:16 ret void17}18