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; RUN: opt < %s -loop-reduce -disable-output
define void @main() {
entry:
br label %loopentry.0
loopentry.0: ; preds = %then.5, %entry
%arg_index.1.ph = phi i32 [ 1, %entry ], [ %arg_index.1.ph.be, %then.5 ] ; <i32> [#uses=1]
br i1 false, label %no_exit.0, label %loopexit.0
no_exit.0: ; preds = %loopentry.0
%arg_index.1.1 = add i32 0, %arg_index.1.ph ; <i32> [#uses=2]
br i1 false, label %then.i55, label %endif.i61
then.i55: ; preds = %no_exit.0
br i1 false, label %then.4, label %else.1
endif.i61: ; preds = %no_exit.0
ret void
then.4: ; preds = %then.i55
%tmp.19993 = add i32 %arg_index.1.1, 2 ; <i32> [#uses=0]
ret void
else.1: ; preds = %then.i55
br i1 false, label %then.i86, label %loopexit.i97
then.i86: ; preds = %else.1
ret void
loopexit.i97: ; preds = %else.1
br i1 false, label %then.5, label %else.2
then.5: ; preds = %loopexit.i97
%arg_index.1.ph.be = add i32 %arg_index.1.1, 2 ; <i32> [#uses=1]
br label %loopentry.0
else.2: ; preds = %loopexit.i97
ret void
loopexit.0: ; preds = %loopentry.0
ret void
}
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