189491727a
This change attaches builtin-ness as an explicit attribute, rather than a module prefix expectation. This permits us to source those builtins from multiple sub-modules (useful when some builtins are part of the true cyclic implementation core, and some are just useful library additions); but also prevents accidental inclusion of non-builtins that happen to be in the right library. Once the flag exists, and the compiler is using `is_builtin()` for decision making; the existence of the current `@extern` interface becomes isomorphic to `@builtin`; and the interface can be unified. Leaving `@extern` a thin-wrapper, and encouraging continued use of it, establishes future-proofing towards adding additional extern tracing, metric hooks, or scanning in the future. * Add `triton.impl` package to hold the core, order dependent impl details. * Extract `@builtin` and unify `@extern`; add `is_builtin()` * Add sense bit so that `@builtin` detection is less fragile. * Modify the compiler to use `is_builtin()`
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