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As reported at https://groups.google.com/g/golang-dev/c/8blU7CnuhZ4/m/d21xuN8hAQAJ, goawk sees a performance slowdown with 1.20 previews.
@randall77 identified that the likely cause is isBigFunc not liking the extra IR generated for a, b = f() style multi-value assignments.
a, b = f()
We have logic in the inliner's heuristics already to account for this. I think we just need to repeat the logic in isBigFunc.
The text was updated successfully, but these errors were encountered:
Change https://go.dev/cl/460395 mentions this issue: cmd/compile/internal/inline: adjust isBigFunc to recognize unified IR codegen
cmd/compile/internal/inline: adjust isBigFunc to recognize unified IR codegen
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