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| ; RUN: opt < %s -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | FileCheck %s
; PR2607
define i32 @b(i32 %x, i32 %y) nounwind {
entry:
%cmp2 = icmp slt i32 %y, %x
%cond3 = select i1 %cmp2, i32 %y, i32 %x
%cmp54 = icmp slt i32 %cond3, -2147483632
br i1 %cmp54, label %forinc, label %afterfor
forinc: ; preds = %forinc, %entry
%j.01 = phi i32 [ %dec, %forinc ], [ -2147483632, %entry ]
%dec = add i32 %j.01, -1
%cmp = icmp slt i32 %y, %x
%cond = select i1 %cmp, i32 %y, i32 %x
%cmp5 = icmp sgt i32 %dec, %cond
br i1 %cmp5, label %forinc, label %afterfor
afterfor: ; preds = %forinc, %entry
%j.0.lcssa = phi i32 [ -2147483632, %entry ], [ %dec, %forinc ]
ret i32 %j.0.lcssa
}
; CHECK: backedge-taken count is (-2147483633 + (-1 * (%{{[xy]}} smin %{{[xy]}})))
|