llvm-project/llvm/test/Transforms/DeadStoreElimination/PartialStore.ll

; RUN: llvm-upgrade < %s | llvm-as | opt -dse | llvm-dis | \
; RUN:    not grep {store sbyte}
; Ensure that the dead store is deleted in this case.  It is wholely
; overwritten by the second store.
int %test() {
	%V = alloca int
	%V2 = cast int* %V to sbyte*
	store sbyte 0, sbyte* %V2
	store int 1234567, int* %V
	%X = load int* %V
	ret int %X
}