Add Instr::isTerminator #1077
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Add Instr::isTerminator #1077
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As proposed previously in #1075, this PR adds the
Instr::isTerminatormethod.It currently does not consider
unreachablea terminator, as it is represented asassume i1 0in Alive2 IR. This instruction may also be generated by__builtin_assume(false), in which case it is not a terminator in LLVM IR. Thus not every basic block in alive2 necessarily ends with a terminator (at least as it is implemented currently).