llvm-6502/test/Analysis/LoadVN/dependent_loads.ll

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; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
sbyte %test(sbyte** %P) {
%A = load sbyte** %P
%B = load sbyte* %A
%X = load sbyte** %P
%Y = load sbyte* %X
%R = sub sbyte %B, %Y
ret sbyte %R
}