Miscellneous refactorings of trans #41287
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eddyb
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Apr 13, 2017
| @@ -52,7 +52,6 @@ pub use self::NativeLibraryKind::*; | |||
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| #[derive(Clone, Debug)] | |||
| pub struct LinkMeta { | |||
| pub crate_name: Symbol, | |||
| pub crate_hash: Svh, | |||
| } | |||
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This is one of the weirder structures in the whole compiler and it'd be nice if it'd just die already.
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oh yeah I meant to kill it altogether; it's just a newtype'd svh at this point
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I can do that in a follow-up though
| } | ||
| return metadata; | ||
| return (metadata_llcx, metadata_llmod, metadata); |
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I am surprised we don't have a wrapper for the llcx + llmod combo.
| let (metadata_llcx, metadata_llmod, metadata) = | ||
| time(tcx.sess.time_passes(), "write metadata", || { | ||
| write_metadata(tcx, &link_meta, shared_ccx.exported_symbols()) | ||
| }); | ||
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| let metadata_module = ModuleTranslation { | ||
| name: link::METADATA_MODULE_NAME.to_string(), | ||
| symbol_name_hash: 0, // we always rebuild metadata, at least for now | ||
| source: ModuleSource::Translated(ModuleLlvm { |
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ModuleLlvm is what I mean I guess?
| ModuleTranslation { | ||
| name: cgu_name, | ||
| symbol_name_hash, | ||
| source: ModuleSource::Translated(ModuleLlvm { |
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Again, it'd be nice if ccx actually kept a ModuleLlvm.
| pub fn extend(&mut self, stats: Stats) { | ||
| self.n_glues_created.set(self.n_glues_created.get() + stats.n_glues_created.get()); | ||
| self.n_null_glues.set(self.n_null_glues.get() + stats.n_null_glues.get()); | ||
| self.n_real_glues.set(self.n_real_glues.get() + stats.n_real_glues.get()); |
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There's a bunch of stats that are irrelevant anymore AFAIK.
No good reason for them to be in there.
These do some low-level munging on the LLVM data structures. Unclear that they need to operate as a "second pass" but leave it for now.
A number of things were using `crate_hash` that really ought to be using `crate_disambiguator` (e.g., to create the plugin symbol names). They have been updated. It is important to remove `LinkMeta` from `SharedCrateContext` since it contains a hash of the entire crate, and hence it will change whenever **anything** changes (which would then require rebuilding **everything**).
shared mutable state is bad
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Apr 14, 2017
…ns, r=eddyb Miscellneous refactorings of trans This doesn't achieve any particular goal yet, but it's a collection of refactorings with the common goal of turning `SharedCrateContext` etc into stuff that we can use with on-demand and actually expect to hash in a stable fashion for incremental. Not there yet, clearly. r? @eddyb cc @michaelwoerister
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This doesn't achieve any particular goal yet, but it's a collection of refactorings with the common goal of turning
SharedCrateContextetc into stuff that we can use with on-demand and actually expect to hash in a stable fashion for incremental. Not there yet, clearly.r? @eddyb
cc @michaelwoerister