Andrei Elovikov d8621d665d Reapply "[VPlan] Add hidden -vplan-print-after-all option" (#178547) ...

Re-commit of https://github.com/llvm/llvm-project/pull/175839 after
fixing build without `LLVM_ENABLE_DUMP`.

This consists of the following changes:

* Merge several overloads of `VPlanTransforms::runPass` into a single
function to avoid code duplication.

* Add helper macro `RUN_VPLAN_PASS` to capture the transformation name
  and pass it to the helper above for printing.

* Add new `-vplan-print-after-all` option (somewhat similar to existing
  `-vplan-verify-each`).

* Add two empty passes `printAfterInitialConstruction`/`printFinalVPlan`
so that initial/final VPlans would be supported in `-vplan-print-after-all`

This follows the original future plans in
https://github.com/llvm/llvm-project/pull/123640.

2026-01-30 19:55:09 +00:00

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