llvm-6502/test/Analysis/DSGraph/2004-03-10-ElimLoad.ll

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; RUN: llvm-as < %s | opt -ds-aa -load-vn -gcse -instcombine | llvm-dis | not grep sub
void %bar(int* %p) {
ret void
}
int %foo(int* %a) {
%b = load int* %a
call void %bar(int* %a)
%d = load int* %a
%e = sub int %b, %d
ret int %e
}