1; RUN: opt < %s -instcombine -S | grep "store volatile"
2; RUN: opt < %s -instcombine -S | grep "load volatile"
3
4@x = weak global i32 0		; <i32*> [#uses=2]
5
6define void @self_assign_1() {
7entry:
8	%tmp = load volatile i32* @x		; <i32> [#uses=1]
9	store volatile i32 %tmp, i32* @x
10	br label %return
11
12return:		; preds = %entry
13	ret void
14}
15