llvm-project/llvm/test/Transforms/GlobalOpt/load-store-global.llx

; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | not grep G

%G = internal global int 17

void %foo() {
	%V = load int* %G
        store int %V, int* %G   ;; Doesn't change the value
        ret void
}
int %bar() {
        %X = load int* %G
        ret int %X
}