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; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output
; PR2602
define i32 @a() nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
%w.0 = phi i32 [ 0, %entry ], [ %tmp, %bb ] ; <i32> [#uses=2]
%e.0 = phi i32 [ 0, %entry ], [ %e.1, %bb ] ; <i32> [#uses=2]
%w.1 = add i32 0, %w.0 ; <i32>:0 [#uses=1]
%tmp = add i32 %e.0, %w.0 ; <i32>:1 [#uses=1]
%e.1 = add i32 %e.0, 1 ; <i32>:2 [#uses=1]
%cond = icmp eq i32 %w.1, -1 ; <i1>:3 [#uses=1]
br i1 %cond, label %return, label %bb
return: ; preds = %bb
ret i32 undef
}
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