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| author | bors <bors@rust-lang.org> | 2017-06-03 10:56:42 +0000 |
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| committer | bors <bors@rust-lang.org> | 2017-06-03 10:56:42 +0000 |
| commit | 2f2d7413ffb99a21c2cba48aff3a972d5f9d126a (patch) | |
| tree | 2a180e5b98c838c89862669c6b9e3f1deb502c11 /src/test/run-pass/thinlto | |
| parent | fbb92767801cd289ab0c62c81db172ce104b023e (diff) | |
| parent | a3417bf302edb5359547109bdd95d426de4e0cb2 (diff) | |
| download | rust-2f2d7413ffb99a21c2cba48aff3a972d5f9d126a.tar.gz rust-2f2d7413ffb99a21c2cba48aff3a972d5f9d126a.zip | |
Auto merge of #42332 - michaelwoerister:no-more-retracing, r=nikomatsakis
incr.comp.: Use DefPathHash-based DepNodes in the serialized DepGraph and remove obsolete DefIdDirectory With this PR we don't store the dep-graph as a set of `DepNode<IndexIntoDefIdDirectory>` anymore but instead as a set of `DepNode<DefPathHash>`. Since a `DefPathHash` is a global identifier that is valid across compilation sessions, we don't need the `DefIdDirectory` anymore. Since a `DepNode<DefPathHash>` is bigger than a `DepNode<IndexIntoDefIdDirectory>` and our on-disk encoding of the dep-graph is inefficient, this PR will probably increase the amount of space the dep-graph takes up on disk. I'm in the process of gathering some performance data. The changes in here are a step towards implementing ICH-based `DepNodes` (#42294). r? @nikomatsakis
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