PrebuiltModuleGen: dedupe prebuilt module jobs #1972
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@swift-ci please test |
| var seen: Set<String> = [] | ||
| var result: [Job] = [] | ||
| for job in jobs { | ||
| assert(job.outputs.count == 1) |
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Would be worthwhile to also assert on job kind being an emit module from interface here.
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I actually changed the fix of deduping to an earlier step. Mind taking another look?
| var result: [Job] = [] | ||
| for job in jobs { | ||
| assert(job.outputs.count == 1) | ||
| let key = job.outputs.first!.file.absolutePath!.pathString |
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Instead of file, it should be sufficient to have the hash set operate on fileHandle, as those will map to the same underlying absolute path string, and it won't be necessary to do .absolutePath!.pathString.
| @@ -772,6 +772,21 @@ extension Driver { | |||
| return allJobs | |||
| } | |||
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| /// Dedupe jobs by output paths | |||
| func dedupeJobs(_ jobs: [Job]) -> [Job] { | |||
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Nit: something like dedupeCompileSwiftModuleFromInterfaceJobs would be a more-descriptive name
…ules. We collect these Swift module names from the outputs of dependency scanning. However, we've noticed dupes in the output, leading to build system reporting fatal errors. As a fix, we dedupe the module names before generating prebuilt module cache. rdar://158615938
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@swift-ci please smoke test |
nkcsgexi
changed the title
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This prevents issues that we can find same module in multiple different locations.
rdar://158615938