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

[Alex Bradbury via llvm-commits]

asb wrote:

> > This is causing failures on the RISC-V buildbots running a `-mrvv-vector-bits=zvl` config.
> 
> Does #226209 help?

I'm afraid not. I should also have been more explicit that the buildbot failures are runtime test failures (i.e. miscompiles) rather than compile-time assertions / verifier failures.

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