[PATCH] D156872: [MachineVerifier] Verify LiveIntervals for PHIs

[Carl Ritson via Phabricator via llvm-commits]

critson added a comment.

In D156872#4553407 <https://reviews.llvm.org/D156872#4553407>, @foad wrote:

> Interesting. Currently I don't think anything in LLVM tries to use LiveIntervals in SSA form, does it? Even `-early-live-intervals` only creates them just after PHIElimination.

PHIElimination has code to preserve LiveIntervals, although it is incorrect/incomplete which I am currently fixing.
The code for '-early-live-intervals` also suggests the intention is for it to be run before PHIEliminination.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D156872