[llvm] CodeGen: Compute LiveIntervals before TwoAddressInstructions (PR #225174)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> I see `` /repo/llvm-project/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:403: bool (anonymous namespace)::TwoAddressInstructionImpl::isPlainlyKilled(const MachineInstr *, LiveRange &) const: Assertion `I != LR.end() && "Reg must be live-in to use."' failed. `` crashes, are they known already?

It's possibly the same thing, but it's a different assert. Reproducer would be useful 

https://github.com/llvm/llvm-project/pull/225174