1 ; RUN: opt < %s -instcombine -S | grep "store volatile"
2 ; RUN: opt < %s -instcombine -S | grep "load volatile"
4 @x = weak global i32 0 ; <i32*> [#uses=2]
6 define void @self_assign_1() {
8 %tmp = load volatile i32* @x ; <i32> [#uses=1]
9 store volatile i32 %tmp, i32* @x
12 return: ; preds = %entry