Remove target_override
#122810
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Remove target_override
#122810
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Backend and target selection is a mess: the target can override the backend (via `Target::default_codegen_backend`), *and* the backend can override the target (via `CodegenBackend::target_override`). The code that handles this is ugly. It calls `build_target_config` twice, once before getting the backend and once again afterward. It also must check that both overrides aren't triggering at the same time. This commit removes the latter override. It's used in rust-gpu but @eddyb said via Zulip that removing it would be ok. This simplifies the code greatly, and will allow some nice follow-up refactorings.
Because the underlying type is called `Target`. (There is also a separate type called `TargetCfg`.)
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These commits modify compiler targets. |
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#122402 (Make `#[diagnostic::on_unimplemented]` format string parsing more robust) - rust-lang#122644 (pattern analysis: add a custom test harness) - rust-lang#122733 (Strip placeholders from hidden types before remapping generic parameter) - rust-lang#122752 (Interpolated cleanups) - rust-lang#122771 (add some comments to hir::ModuleItems) - rust-lang#122793 (Implement macro-based deref!() syntax for deref patterns) - rust-lang#122810 (Remove `target_override`) - rust-lang#122827 (Remove unnecessary braces from `bug`/`span_bug`) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#122810 - nnethercote:rm-target_override, r=WaffleLapkin Remove `target_override` Because the "target can override the backend" and "backend can override the target" situation is a mess. Details in the individual commits. r? `@WaffleLapkin`
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Because the "target can override the backend" and "backend can override the target" situation is a mess. Details in the individual commits.
r? @WaffleLapkin