Lines Matching full:know
109 "SimplifyDemandedBits needs to know bit widths!");
118 // We know all of the bits for a constant!
124 // We know all of the bits for a constant!
156 // do simplifications that apply to *just* the one user if we know that
178 // We can simplify (X|Y) -> X or Y in the user's context if we know that
204 // We can simplify (X^Y) -> X or Y in the user's context if we know that
331 // into an AND, as we know the bits will be cleared.
458 // If any of the sign extended bits are demanded, we know that the sign
474 // If the sign bit of the input is known set or clear, then we know the
531 // bits set and the RHS constant is 0x01001, then we know we have a known
540 // Now that we know which bits have carries, compute the known-1/0 sets.
821 // If the client is only demanding bits that we know, return the known
995 // If this is a variable index, we don't know which element it overwrites.
999 // Note that we can't propagate undef elt info, because we don't know
