1; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | FileCheck %s 2; PR2607 3 4define i32 @b(i32 %x, i32 %y) nounwind { 5entry: 6 %cmp2 = icmp slt i32 %y, %x 7 %cond3 = select i1 %cmp2, i32 %y, i32 %x 8 %cmp54 = icmp slt i32 %cond3, -2147483632 9 br i1 %cmp54, label %forinc, label %afterfor 10 11forinc: ; preds = %forinc, %entry 12 %j.01 = phi i32 [ %dec, %forinc ], [ -2147483632, %entry ] 13 %dec = add i32 %j.01, -1 14 %cmp = icmp slt i32 %y, %x 15 %cond = select i1 %cmp, i32 %y, i32 %x 16 %cmp5 = icmp sgt i32 %dec, %cond 17 br i1 %cmp5, label %forinc, label %afterfor 18 19afterfor: ; preds = %forinc, %entry 20 %j.0.lcssa = phi i32 [ -2147483632, %entry ], [ %dec, %forinc ] 21 ret i32 %j.0.lcssa 22} 23 24; CHECK: backedge-taken count is (-2147483633 + (-1 * (%{{[xy]}} smin %{{[xy]}}))) 25 26