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36 Commits

Author SHA1 Message Date
Steven Wu
09b8af86fb Virtualize swift compiler outputs (#63206) 
Using a virutal output backend to capture all the outputs from
swift-frontend invocation. This allows redirecting and/or mirroring
compiler outputs to multiple location using different OutputBackend.

As an example usage for the virtual outputs, teach swift compiler to
check its output determinism by running the compiler invocation
twice and compare the hash of all its outputs.

Virtual output will be used to enable caching in the future.
 2023-04-05 23:34:37 +08:00
Erik Eckstein
ab1b343dad use new llvm::Optional API 
`getValue` -> `value`
`getValueOr` -> `value_or`
`hasValue` -> `has_value`
`map` -> `transform`

The old API will be deprecated in the rebranch.
To avoid merge conflicts, use the new API already in the main branch.

rdar://102362022
 2022-11-21 19:44:24 +01:00
Josh Soref
81d3ad76ac Spelling ast (#42463) 
* spelling: accessor

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* spelling: accommodates

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* spelling: conformance

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* spelling: dependency

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* spelling: exclusivity

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* spelling: existence

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* spelling: existential

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* spelling: explicit

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* spelling: expressed

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* spelling: for

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* spelling: foreign

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* spelling: function

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* spelling: identifier

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* spelling: implicit

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* spelling: indices

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* spelling: information

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* spelling: instance

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* spelling: interchangeable

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* spelling: interface

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* spelling: introduced

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* spelling: invalid

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* spelling: location

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* spelling: necessary

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* spelling: nonexistent

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* spelling: simplified

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* spelling: something

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* spelling: specializations

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* spelling: the

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* spelling: transform

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* spelling: transformed

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* spelling: transitively

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* spelling: typecheck

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* spelling: unqualified

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
 2022-04-21 12:57:16 -07:00
David Ungar
bc7eb593da Merge pull request #36099 from CodaFi/extensionality 
Register Dependency Arcs for Extension Members
 2021-02-26 17:19:25 -08:00
David Ungar
4c12c712a6 Add ability to decode a swiftmodule file 2021-02-25 19:36:51 -08:00
Robert Widmann
ef7dfadb53 Register Dependency Arcs for Extension Members 
This was a hole in the existing dependency tracking infrastructure. David managed to discover a way to exploit this bug to get a miscompile in rdar://74583179. There, members of extensions were not counted towards the interface hash of a type and so mutating them could lead to e.g. the wrong declaration being selected in an overload set.

To start tracking extensions, we need to add two new kinds of arcs:
1) A nominal arc to the extension
2) A member arc to the extension

Unfortunately, extensions are also unique in Swift in that they do not have a name to allow us to unique them. Luckily, we do have a way of identifying extensions: their fingerprint. These arcs are therefore emitted with the extended nominal type and the fingerprint of the extension as their context. This effectively invents a new nominal type for every extension.
 2021-02-23 12:09:32 -08:00
Robert Widmann
59000e6ebe [NFC] Inline DependencyKey::createForProvidedEntityInterface 2021-02-23 12:09:32 -08:00
Robert Widmann
2b6d1a8f81 [NFC] Convert the Templates Computing DependencyKeys to the Builder Pattern 
It can be quite difficult to tell at a glance just how any particular decl is going to be converted into a key. The space of available template specializations is also 2-dimensional which adds an additional level of difficulty when the time comes to extend or refactor any of them. Unroll all of the templates into a builder that coalesces the commonalities of the ways DependencyKeys are built to combat this.
 2021-02-22 14:52:21 -08:00
Robert Widmann
27d29262b0 [NFC] Traffic in Fingerprints 2020-11-18 12:20:14 -08:00
Robert Widmann
19e6bee374 [NFC] Use the Correct const-Qualification in Dependency Code 
T *const does not prevent logically non-const accesses to the underlying data, it merely indicates that the pointer value itself is const. This modifier can be cast off by a copy, so it's not generally what you want here. Switch to const T * instead.
 2020-11-12 10:57:56 -08:00
Robert Widmann
7917d723c3 Teach the Driver to Read Fine-Grained Dependency Graphs in Swiftdeps Files 2020-09-25 11:36:11 -06:00
Robert Widmann
1b01f21383 [Gardening] Add a spot of documentation about withReferenceDependencies 2020-09-24 23:26:00 -06:00
Robert Widmann
3c2b376aa2 [NFC] Refactor Reference Dependency Emission 
Invert the responsibility of the entrypoint so that FrontendTool is directing the actual serialization work. The entrypoint now solely exists to construct a dependency graph.

While I'm here, prepare the way for serializing dependency graphs for modules by optimistically modeling a ModuleOrSourceFile input.
 2020-09-24 20:07:02 -06:00
Robert Widmann
d57967569d Drop Interface Dependency Key APIs 
Only external edges need this.
 2020-09-21 14:47:39 -06:00
Slava Pestov
337eae4fc7 Dependencies: Change SourceFileDepGraphNode::defsIDependUpon into a SetVector 
This preserves insertion order.
 2020-06-16 20:19:50 -04:00
Slava Pestov
0c597a8b92 Dependencies: Move YAML reader and writer code to swift-dependency-tool 2020-06-11 16:08:05 -04:00
Slava Pestov
4ff62ec277 Dependencies: Implement SourceFileDepGraphNode::dump() 2020-06-10 15:40:55 -04:00
Slava Pestov
82c0897b45 Dependencies: Fix uninitialized memory in SourceFileDepGraphNode 2020-06-10 15:40:55 -04:00
Slava Pestov
d59a76c248 Dependencies: New binary format for fine-grained dependency graph 2020-06-10 15:40:55 -04:00
Slava Pestov
673027044f Dependencies: Small cleanup in FineGrainedDependencies.{h,cpp} 2020-06-10 15:40:55 -04:00
David Ungar
fa3d4c5df3 Move fine-grained NodeKind to ReferenceDependencyKeys.h 2020-03-02 14:34:00 -08:00
David Ungar
b367d2ebec Rename files and classes involved in SourceFileDepGraphConstruction 2020-02-19 23:57:23 -07:00
David Ungar
ad71b8f9a6 hash templates for linux 2020-02-16 14:42:13 -07:00
David Ungar
314d1e12c3 Reorganization of SourceFileDepGraph building and mocking. 2020-02-14 21:53:45 -07:00
David Ungar
3ac5cebd8f Small fixes and debugging improvements for SwiftDriverTests 2020-02-08 22:45:30 -08:00
David Ungar
2e1e4284ac Added ability to add fingerprint via # 2020-01-29 13:39:24 -08:00
David Ungar
0a3be7575a unit tests compile 2020-01-27 15:14:46 -08:00
David Ungar
d61f6f2f66 Changes to support per-type-body fingerprints. 2020-01-27 15:14:46 -08:00
David Ungar
8c2c4ab391 Fixes for fine-grained dependencies 2020-01-16 13:20:27 -08:00
David Ungar
2b2bcdd394 Fix arg-order bug and add assertions. (Windows manifested.) 2020-01-11 21:57:14 -08:00
David Ungar
126932f50e w dbg 2020-01-11 21:57:14 -08:00
David Ungar
cc89dad526 Fine-grained and driver fixes. 
Restructure fine-grained-dependencies to enable unit testing

Get frontend to emit correct swiftdeps file (fine-grained when needed) and only emit dot file for -emit-fine-grained-dependency-sourcefile-dot-files

Use deterministic order for more information outputs.

Set EnableFineGrainedDependencies consistently in frontend.

Tolerate errors that result in null getExtendedNominal()

Fix memory issue by removing node everywhere.

Break up print routine

Be more verbose so it will compile on Linux.

Sort batchable jobs, too.
 2020-01-11 21:57:14 -08:00
Saleem Abdulrasool
b483047afe Revert "[Incremental] Dependency fixes in preparation for fine-grained dependencies" 2020-01-09 19:14:47 -08:00
David Ungar
6fffe724f2 Fine-grained and driver fixes. 
Restructure fine-grained-dependencies to enable unit testing

Get frontend to emit correct swiftdeps file (fine-grained when needed) and only emit dot file for -emit-fine-grained-dependency-sourcefile-dot-files

Use deterministic order for more information outputs.

Set EnableFineGrainedDependencies consistently in frontend.

Tolerate errors that result in null getExtendedNominal()

Fix memory issue by removing node everywhere.

Break up print routine

Be more verbose so it will compile on Linux.

Sort batchable jobs, too.
 2020-01-04 14:37:06 -08:00
David Ungar
6a6e9357ef Change "experimental" to "fine-grained". 2019-12-04 08:50:44 -08:00
David Ungar
496e602bff Renaming files 2019-12-04 08:38:59 -08:00