[constant-folding] Eliminate complexity introducing pre-mature optimization. #27997
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The code that is deleted in this PR attempted to save a bit of compile time by:
extracted from.
This adds a bunch of complexity to the pass and also moves code that should be
in a visitor into the main pass workloop function.
After this PR what happens instead is that after we fold, we add the tuple to
the worklist. Then during the next iteration we look at the tuple_extract users
and simplify them at that point.
Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.