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; RUN: opt < %s -gvnpre | llvm-dis define i32* @_ZN6Solver9propagateEv(i32* %this) { entry: %tmp15.i48 = load i8* null ; <i8> [#uses=2] %tmp64.i.i51 = sub i8 0, %tmp15.i48 ; <i8> [#uses=1] %tmp231.i52 = select i1 false, i8 %tmp15.i48, i8 %tmp64.i.i51 ; <i8> [#uses=0] ret i32* null }