Commit Graph

1501 Commits

Author SHA1 Message Date
Egor Zhdan
220d95e3d9 [cxx-interop][SwiftCompilerSources] Use swift::CharSourceRange instead of BridgedCharSourceRange
This removes some of the bridging code and replaces it with C++ calls.

rdar://83361087
2022-07-07 12:00:12 +01:00
Egor Zhdan
38edc7f377 [cxx-interop][SwiftCompilerSources] Remove getCopiedBridgedStringRef and freeBridgedStringRef
`std::string`s can now be passed directly between Swift and C++.

rdar://83361087
2022-07-06 12:57:50 +01:00
Anxhelo Xhebraj
c3ccbde52b Swift Optimizer: update EscapeInfo to use the generic walker utilities
`EscapeInfo` now conforms to the generic protocols defined in `WalkUtils`.
This simplifies the implementation a bit, since trivial instructions are handled
by `WalkUtils` and `EscapeInfo` only has to handle a subset of instructions
inherent to escape information.
Passes using `EscapeInfo` are updated accordingly to become visitors that
customize the `EscapeInfo` walk.
2022-07-05 11:28:49 -07:00
Anxhelo Xhebraj
50a7e25e31 Swift Optimizer: add projection path DefUse/UseDef walkers
Introduces a set of protocols useful to perform def-use and use-def
traversals to find uses and definitions of values.

This logic was originally baked into `EscapeInfo` directly.
Here we extract it into general utilities, namely:
- `ValueDefUseWalker`: visit uses of a value walking down value-value projections/constructions.
- `AddressDefUseWalker`: visit uses of an address walking down addr-addr projections/constructions.
- `ValueUseDefWalker`: visit definitions of a value walking up value-value projections/constructions.
- `AddressUseDefWalker`: visit definitions of an address walking up addr-addr projections/constructions.

These utilities can then be used in other passes or to create
new utilities by composing them. For example to find a definition
passing through both address projections and value extractions,
it's enough to implement a visitor conforming to both
`AddressUseDefWalker` and `ValueUseDefWalker`.
2022-07-05 11:26:13 -07:00
Alexis Laferrière
e7b1434ed2 [SwiftCompilerSources] Add missing import 2022-06-30 12:56:46 -07:00
Egor Zhdan
b8e2f2eacc Merge pull request #58699 from apple/egorzhdan/libswift-sourceloc
[cxx-interop][SwiftCompilerSources] Use `swift::SourceLoc` instead of `BridgedSourceLoc`
2022-06-22 10:54:59 +01:00
Egor Zhdan
f476f6245c [cxx-interop][SwiftCompilerSources] Workaround for std::string crash on arm64 Linux
`std::string` constructor crashes when called from `SILBridging.cpp`, likely due to a miscompile. This is a workaround that fixes the crash.
2022-06-15 15:54:45 +01:00
Egor Zhdan
038a4f0b80 [cxx-interop][SwiftCompilerSources] Use swift::SourceLoc instead of BridgedSourceLoc
C++ interop is now enabled in SwiftCompilerSources, so we can remove some of the C bridging layer and use C++ classes directly from Swift.

rdar://83361087
2022-06-11 00:13:39 +01:00
Egor Zhdan
ffb9ee9422 Revert "Revert "[cxx-interop][SwiftCompilerSources] Fix conversion between std::string and Swift.String""
This reverts commit 9542837a18.
2022-06-09 23:40:51 +01:00
eeckstein
b3d9b873a9 Merge pull request #58888 from eeckstein/objc-string-opt
Optimizer: add the ObjCBridgingOptimization to optimize ObjectiveC bridging operations.
2022-06-09 06:48:36 +02:00
Erik Eckstein
ec3d9dd9c7 Optimizer: add the ObjCBridgingOptimization to optimize ObjectiveC bridging operations.
Removes redundant ObjectiveC <-> Swift bridging calls.
Basically, if a value is bridged from ObjectiveC to Swift an then back to ObjectiveC again, then just re-use the original ObjectiveC value.

Also in this commit: add an additional DCE pass before ownership elimination. It can cleanup dead code which is left behind by the ObjCBridgingOptimization.

rdar://89987440
2022-06-08 22:51:57 +02:00
Erik Eckstein
a17ee435b6 Swift SIL: fix var ApplySite.arguments
In case of type-dependent operands, not all operands are part of the arguments
2022-06-08 22:51:57 +02:00
Egor Zhdan
9542837a18 Revert "[cxx-interop][SwiftCompilerSources] Fix conversion between std::string and Swift.String"
This reverts commit be711e387f.
2022-06-08 14:10:04 +01:00
Rintaro Ishizaki
9f4ce612a2 [SwiftCompilerModules] Link lib_InternalSwiftSyntaxParser to libswift
To use _RegexParser from SwiftSyntax.

* Create 'libswiftCompilerModules_SwiftSyntax.a' which is a subset of
  'libswiftCompilerModules.a'
* Link 'lib_InternalSwiftSyntaxParser' to
  'libswiftCompilerModules_SwiftSyntax.a'
* Factor out swift runtime linking logic in CMake so that dynamic
  libraries can link to Swift runtime, in addition to executables
* Link 'lib_InternalSwiftSyntaxParser' to swift runtime
2022-06-02 12:23:03 -07:00
Egor Zhdan
be711e387f [cxx-interop][SwiftCompilerSources] Fix conversion between std::string and Swift.String
This fixes a dangling pointer issue when creating a `Swift.String` from `std::string`.

Also fixes a warning:
```
warning: variable 's' was never mutated; consider changing to 'let' constant
    var s = SILBasicBlock_debugDescription(bridged)
    ~~~ ^
    let
```

rdar://92963081
rdar://93053488
2022-05-30 20:06:36 +01:00
Erik Eckstein
4011e086f0 Swift optimizer: add Value.makeAvailable and `Value.copy(at:andMakeAvailableIn:)
Utilities to make a value available to be used in another basic block.
Inserts required `copy_value` and `destroy_value` operations in case the destination block is in a different control region than the value.
For example, if the destination block is in a loop while the value is not in that loop, the value has to be copied for each loop iteration.
2022-05-12 21:48:37 +02:00
Erik Eckstein
a91d541a26 Swift SIL: add ApplySite.substitutionMap and ApplySite.getArgumentConvention() 2022-05-12 21:48:37 +02:00
Erik Eckstein
1a933fc76e Swift SIL: add Type.getIndexOfEnumCase(withName:)
... to get the enum case index with a given name.
2022-05-12 21:48:37 +02:00
Erik Eckstein
b0003d51da Swift SIL: add an initializer to create an empty SubstitutionMap 2022-05-12 21:48:37 +02:00
Erik Eckstein
7c71f0091e Swift SIL: add UseList.isSingleUse 2022-05-12 21:48:37 +02:00
Erik Eckstein
dd5d5f97c4 Swift SIL: add Function.hasSemanticsAttribute 2022-05-12 21:48:37 +02:00
Erik Eckstein
ad9dafc9bf Swift SIL: add Value.definingBlock
and re-factor `Value.definingInstruction`
2022-05-12 21:48:37 +02:00
Erik Eckstein
3b43da9637 Swift Optimizer: improve ergonomics of Builder and PassContext
* split the PassUtils.swift file into PassContext.swift and Passes.swift
* rework `Builder` bridging allowing more insertion point variations, e.g. inserting at the end of a block.
* add Builder.create functions for more instructions
* add `PassContext.splitBlock`
* move SIL modification functions from PassContext to extensions of the relevant types (e.g. instructions).
* rename `Location.bridgedLocation` -> `Location.bridged`
2022-05-12 21:48:37 +02:00
Erik Eckstein
14b985d87e Swift SIL: support ownership
* add the `Ownership` enum and the `Value.ownership` getter
* add `Function.hasOwnership`
2022-05-12 21:48:37 +02:00
Erik Eckstein
cd456fa792 Swift SIL: make Function.name and GlobalVariable.name return a StringRef and not a String
and introduce the StringRef struct.
It's more efficient.

Also, rename the `HasName` protocol to `HasShortDescription`, which introduces the new requirement `shortDescription`. This is need because `name` now has `StringRef` type and not `String` anymore
2022-05-12 21:48:37 +02:00
Allan Shortlidge
1ffe55b856 Revert "swift SIL: Fix variable 's' was never mutated; consider changing to 'let' constant warnings."
This reverts commit d83c17e832.
2022-05-10 10:38:58 -07:00
Allan Shortlidge
d83c17e832 swift SIL: Fix variable 's' was never mutated; consider changing to 'let' constant warnings. 2022-05-06 17:29:12 -07:00
Egor Zhdan
6332edb98b Merge pull request #42297 from apple/egorzhdan/libswift-std-string
Reapply [cxx-interop][libswift] Use `std::string` instead of `BridgedStringRef`
2022-05-05 16:42:06 +01:00
Josh Soref
66663b1286 Spelling basic (#42541)
* spelling: add

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

* spelling: attributes

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* spelling: bridging

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* spelling: deserialization

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* spelling: initialize

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* spelling: invariants

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* spelling: lazily

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* spelling: occurred

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* spelling: offset

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* spelling: optimization

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* spelling: our

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* spelling: process

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* spelling: substitution

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* spelling: the operation

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* spelling: the

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
2022-05-04 14:53:24 -07:00
Egor Zhdan
145ed33482 [cxx-interop][SwiftCompilerSources] Use std::string instead of BridgedStringRef
This reverts commit 2900dec7
2022-05-03 19:48:14 +01:00
Erik Eckstein
cad646b283 re-implement the StackPromotion pass in swift
It uses the new EscapeInfo.
2022-05-02 14:22:27 +02:00
Hamish Knight
43292403a9 [Parse] Update for new regex compiler interface
Update to use the new `swiftCompilerLexRegexLiteral`
& `swiftCompilerParseRegexLiteral` SPI entry points.
2022-04-28 18:45:53 +01:00
Josh Soref
1b0aa6d7f1 Spelling swiftcompilersources (#42617)
* spelling: diagnose

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* spelling: diagnostic

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* spelling: intentionally

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* spelling: optimization

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* spelling: target

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* spelling: unbalanced

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
2022-04-25 09:01:23 -07:00
Rintaro Ishizaki
30a53fed05 Merge pull request #42583 from rintaro/regex_diagnostics
[SwiftCompiler/Regex] Use bridged DiagnosticEngine for error reporting
2022-04-25 08:26:38 -07:00
eeckstein
4a5db44e8a Merge pull request #52196 from eeckstein/subpass-bisect
Swift SIL: support for sub-pass bisecting: add `PassContext.continueWithNextSubpassRun`
2022-04-25 14:05:07 +02:00
Erik Eckstein
f98a6655eb ReleaseDevirtualizer: support sub-pass bisecting for debugging 2022-04-25 11:57:12 +02:00
Erik Eckstein
5d3339e9a3 Swift SIL: support for sub-pass bisecting: add PassContext.continueWithNextSubpassRun 2022-04-25 11:57:02 +02:00
Erik Eckstein
1c4ba46c3b EscapeInfo: fix a bug and some refactoring
Add a flag `analyzeAddresses` for distinguishing address vs value escape analysis. This is simpler than handling that in the visitUse/visitDef closures.
Also, fix a related bug, which let an address, which is escaping to a function, get unnoticed.
2022-04-25 08:56:24 +02:00
Rintaro Ishizaki
d292a95296 [SwiftCompiler/Regex] Use bridged DiagnosticEngine for error reporting
This fixes:
 * An issue where the diagnostic messages were leaked
 * Diagnose at correct position inside the regex literal

To do this:
 * Introduce 'Parse' SwiftCompiler module that is a bridging layer
   between '_CompilerRegexParser' and C++ libParse
 * Move libswiftParseRegexLiteral and libswiftLexRegexLiteral to 'Parse'

Also this change makes 'SwiftCompilerSources/Package.swift' be configured
by CMake so it can actually be built with 'swift-build'.

rdar://92187284
2022-04-22 22:53:46 -07:00
Josh Soref
d767912be2 Spelling sil (#42471)
* spelling: accessible

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* spelling: accessories

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* spelling: allocated

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* spelling: amortizes

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* spelling: are

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* spelling: arguments

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* spelling: cacheable

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* spelling: check

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* spelling: clazz

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* spelling: compatible

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* spelling: compilation

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* spelling: completely

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* spelling: construct

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* spelling: conversion

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* spelling: declarations

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* spelling: derivation

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* spelling: deserialization

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* spelling: destroyed

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* spelling: determined

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* spelling: different

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* spelling: doesn't

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* spelling: equality

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* spelling: equivalent

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* spelling: formation

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* spelling: forwards

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* spelling: global

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* spelling: guaranteed

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* spelling: have

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* spelling: identify

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* spelling: inaccessible

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* spelling: indeterminate

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* spelling: indices

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* spelling: inefficient

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* spelling: inheritance

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* spelling: instantaneous

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* spelling: instruction

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* spelling: intentionally

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* spelling: interior

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* spelling: intrinsic

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* spelling: introducing

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* spelling: irrelevant

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* spelling: message

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* spelling: multi

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* spelling: necessarily

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* spelling: object

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* spelling: one

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* spelling: optimization

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* spelling: otherwise

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* spelling: overridden

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* spelling: parameter

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* spelling: pattern

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* spelling: pipeline

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* spelling: possibility

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* spelling: postdominance

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* spelling: providing

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* spelling: reached

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* spelling: recognized

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* spelling: refrigerator

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* spelling: remaining

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* spelling: resilient

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* spelling: retrieve

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* spelling: scavenge

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* spelling: scheduled

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* spelling: separately

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* spelling: serializable

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* spelling: signature

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* spelling: simplicity

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* spelling: specifically

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* spelling: substituted

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* spelling: substitution

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* spelling: subtypes

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* spelling: supplement

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* spelling: syntax

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* spelling: the

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* spelling: there

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* spelling: these

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* spelling: this

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* spelling: though

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* spelling: through

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* spelling: transitively

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* spelling: transpose

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* spelling: trivial

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* spelling: value

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* spelling: verification

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* spelling: visibility

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* spelling: weird

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* spelling: whole

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2022-04-22 15:11:09 -07:00
Erik Eckstein
eea471fe99 add the ComputeEffects pass
The ComputeEffects pass derives escape information for function arguments and adds those effects in the function.
This needs a lot of changes in check-lines in the tests, because the effects are printed in SIL
2022-04-22 09:50:07 +02:00
Erik Eckstein
87ae9e3a73 add passes to dump the results of EscapeInfo
And add test files which uses the passes for verification of EscapeInfo
2022-04-22 09:50:07 +02:00
Erik Eckstein
dc2619f33e Swift Optimizer: add EscapeInfo, a new utility for escape analysis
It’s a replacement for the old `EscapeAnalysis`, implemented in Swift (instead of C++) and with a much simple design and implementation.
While the old EscapeAnalysis builds a connection graph, the new EscapeInfo just performs a simple def-use and use-def walk in the SIL.
The EscapeInfo does not need to analyze the whole function (like the EscapeAnalysis does), but just the relevant value which is inspected. Therefore EscapeInfo is not an `Analysis` which caches its result across optimization passes - it’s not needed.
2022-04-22 09:50:07 +02:00
Erik Eckstein
a5ac6c2cff TypeLowering: add a recursive property to check if a type contains a RawPointer
This is needed for the new escape analysis
2022-04-22 09:50:07 +02:00
Erik Eckstein
b75108e70a Swift SIL: a few small addition to SmallProjectionPath
* rename `matchesAllValueFields` -> `topMatchesAnyValueField`
* add `hasSingleClassIndirection` and `hasClassProjection`
* add `popLastClassAndValuesFromTail`
2022-04-22 09:50:07 +02:00
Erik Eckstein
340efd9e6f Swift SIL: add MultipleValueInstructionResult.index
And make DestructureStructInst and DestructureTupleInst a UnaryInstruction
2022-04-22 09:50:07 +02:00
Saleem Abdulrasool
218ef587e6 Revert "Merge pull request #42242 from eeckstein/escapeinfo"
This reverts commit c05e064cd8, reversing
changes made to c1534d5af9.

This caused a regression on Windows.
2022-04-21 20:33:37 -07:00
Josh Soref
81d3ad76ac Spelling ast (#42463)
* spelling: accessor

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* spelling: accommodates

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* spelling: argument

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* spelling: associated

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* spelling: availability

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* spelling: available

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* spelling: belongs

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* spelling: bookkeeping

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* spelling: building

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* spelling: clazz

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* spelling: clonable

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* spelling: closure

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* spelling: concatenated

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* spelling: conformance

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* spelling: context

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* spelling: conversion

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* spelling: correspondence

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* spelling: declarations

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
2022-04-21 12:57:16 -07:00
Erik Eckstein
700412b39e add the ComputeEffects pass
The ComputeEffects pass derives escape information for function arguments and adds those effects in the function.
This needs a lot of changes in check-lines in the tests, because the effects are printed in SIL
2022-04-21 08:45:08 +02:00
Erik Eckstein
4d5987c469 add passes to dump the results of EscapeInfo
And add test files which uses the passes for verification of EscapeInfo
2022-04-21 08:45:08 +02:00