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16 Commits

Author SHA1 Message Date
Ben Barham
ef8825bfe6 Migrate llvm::Optional to std::optional 
LLVM has removed llvm::Optional, move over to std::optional. Also
clang-format to fix up all the renamed #includes.
 2024-02-21 11:20:06 -08:00
Evan Wilde
f3ff561c6f [NFC] add llvm namespace to Optional and None 
This is phase-1 of switching from llvm::Optional to std::optional in the
next rebranch. llvm::Optional was removed from upstream LLVM, so we need
to migrate off rather soon. On Darwin, std::optional, and llvm::Optional
have the same layout, so we don't need to be as concerned about ABI
beyond the name mangling. `llvm::Optional` is only returned from one
function in
```
getStandardTypeSubst(StringRef TypeName,
                     bool allowConcurrencyManglings);
```
It's the return value, so it should not impact the mangling of the
function, and the layout is the same as `std::optional`, so it should be
mostly okay. This function doesn't appear to have users, and the ABI was
already broken 2 years ago for concurrency and no one seemed to notice
so this should be "okay".

I'm doing the migration incrementally so that folks working on main can
cherry-pick back to the release/5.9 branch. Once 5.9 is done and locked
away, then we can go through and finish the replacement. Since `None`
and `Optional` show up in contexts where they are not `llvm::None` and
`llvm::Optional`, I'm preparing the work now by going through and
removing the namespace unwrapping and making the `llvm` namespace
explicit. This should make it fairly mechanical to go through and
replace llvm::Optional with std::optional, and llvm::None with
std::nullopt. It's also a change that can be brought onto the
release/5.9 with minimal impact. This should be an NFC change.
 2023-06-27 09:03:52 -07:00
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: recognized

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* spelling: substitution

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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: unknown

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* spelling: unlabeled

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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
604978859d Show bad fingerprint. 2021-01-15 13:46:47 -08:00
David Ungar
7f36ab171b Allow Fingerprint::fromString to fail, returning None on bad input. 2021-01-15 13:46:46 -08:00
Robert Widmann
76a7ceea64 [NFC] Re-Core Fingerprint 
Switch from a string core to a 128-bit integral core. This should make
Fingerprints much cheaper to copy around and sets us up for a future
where we can provide alternative implementations of the ambient hashing
algorithm.

rdar://72313506
 2020-12-14 17:50:10 -08:00
Robert Widmann
27d29262b0 [NFC] Traffic in Fingerprints 2020-11-18 12:20:14 -08:00
Robert Widmann
b6fb435fbf Invert an error return to match the documentation 2020-10-06 11:56:28 -07:00
Robert Widmann
d695acfed1 Document 'standalone' Parameters 2020-10-06 11:50:00 -07:00
Robert Widmann
82e9935885 Correct the Serialization of Embedded Swift Dependencies 
llvm-bcanalyzer does *not* like it when there are multiple block info metadata blocks in the same bitstream file. This patch will skip the emission of that and just jump straight to the metadata block when we're not reading a "standalone" incremental dependency file. While I'm here, also add the right block abbreviation info so we can get a decent dump from llvm-bcanalyzer
 2020-10-05 18:40:43 -07:00
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
d2e7bdcfab Teach SwiftModules To Embed Incremental Information 
Take advantage of the binary swiftdeps serialization utliities built during #32131. Add a new optional information block to swiftdeps files. For now, don't actually serialize swiftdeps information.

Frontends will use this information to determine whether to write incremental dependencies across modules into their swiftdeps files. We will then teach the driver to deserialize the data from this section and integrate it into its incremental decision making.
 2020-09-24 20:07:01 -06:00
Slava Pestov
b873fe214e Code review feedback from Dave Ungar 2020-06-10 23:43:40 -04:00
Slava Pestov
d59a76c248 Dependencies: New binary format for fine-grained dependency graph 2020-06-10 15:40:55 -04:00