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; RUN: opt < %s -instcombine -S | grep {store volatile}
; RUN: opt < %s -instcombine -S | grep {load volatile}
@x = weak global i32 0 ; <i32*> [#uses=2]
define void @self_assign_1() {
entry:
%tmp = load volatile i32* @x ; <i32> [#uses=1]
store volatile i32 %tmp, i32* @x
br label %return
return: ; preds = %entry
ret void
}
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