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Author SHA1 Message Date
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
145ed33482 [cxx-interop][SwiftCompilerSources] Use std::string instead of BridgedStringRef 
This reverts commit 2900dec7
 2022-05-03 19:48:14 +01:00
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
Josh Soref
d767912be2 Spelling sil (#42471) 
* spelling: accessible

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* spelling: accessories

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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: 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: 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: simplicity

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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: whole

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
 2022-04-22 15:11:09 -07:00
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
Erik Eckstein
3b2e409d41 TypeLowering: add a recursive property to check if a type contains a RawPointer 
This is needed for the new escape analysis
 2022-04-21 08:45:08 +02:00
Erik Eckstein
003fdec7fb Swift SIL: a few small addition to SmallProjectionPath 
* rename `matchesAllValueFields` -> `topMatchesAnyValueField`
* add `hasSingleClassIndirection` and `hasClassProjection`
* add `popLastClassAndValuesFromTail`
 2022-04-21 08:45:08 +02:00
Erik Eckstein
325a0b1f48 swift SIL: add some Instruction, Value and Type APIs 
* instructions `RefToBridgeObjectInst`, `BridgeObjectToWordInst`, `StringLiteralInst`, `ProjectBoxInst`, `InitEnumDataAddrInst`, `UncheckedTakeEnumDataAddrInst`, `InjectEnumAddrInst`
* protocols `StoringInstruction` and `EnumInstruction`
* load/store-weak/unowned instructions
* `CopyAddrInst.isTakeOfSrc/isInitializationOfDest`
* `ApplySite.calleeArgIndex/callerArgIndex`
* `SILValue.definingInstruction/definingBlock/function`
*  `Type.isReferenceCounted`
* `FunctionArgument.isExclusiveIndirectParameter`
* support `CondBranchInst` in `incomingPhiValues`
 2022-03-30 14:45:58 +02:00
Andrew Trick
05fb8c7930 Remove CheckedCastValue from Swift compiler sources. 2022-03-22 18:09:48 -07:00
Rintaro Ishizaki
da6814d510 [SwiftCompiler] Make BridgedArrayRef.data nullable 
ArrayRef.data() can be nullptr when the array is empty.
 2022-02-20 22:30:18 -08:00
Rintaro Ishizaki
7486cd1c21 [SwiftCompiler] Move common bridging facilities to 'Basic' 
A preparation for AST/DiagnosticEngine bridging
 2022-02-20 22:06:39 -08:00
Arnold Schwaighofer
9f2b6a4ebb Reuse _ContiguousArrayStorage<AnyObject> metadata for any class or objc generic type 
Reduces the number of _ContiguousArrayStorage metadata.

In order to support constant time bridging we do need to set the correct
metadata when we bridge to Objective-C. This is so that the type check
succeeds when bridging back from Objective-C to reuse the storage
instance rather than bridging the elements.

To support dynamically setting the `_ContiguousArrayStorage` element
type i needed to add support for optimizing `alloc_ref_dynamic`
throughout the optimizer.

Possible future improvements:
* Use different metadata such that we can disambiguate native Swift
  classes during destruction -- allowing native release rather then unknown
  release usage.
* Optimize the newly added semantic function
  getContiguousArrayStorageType

rdar://86171143
 2022-02-16 07:55:34 -08:00
Erik Eckstein
603e837a8f Swift optimizations: make isSwift51RuntimeAvailable sensitive to the resilience domain of the function. 2022-01-27 13:20:38 +01:00
Erik Eckstein
f09dfc93a9 Swift SIL: escape effects for function arguments. 
Store a list of argument effects in a function, which specify if and how arguments escape.
Such effects can be specified in the Swift source code (for details see docs/ReferenceGuides/UnderscoredAttributes.md) or derived in an optimization pass.

For details see the documentation in SwiftCompilerSources/Sources/SIL/Effects.swift.
 2022-01-25 11:29:44 +01:00
Erik Eckstein
fb00bc3b44 Swift SIL: add the SmallProjectionPath utility 
The `SmallProjectionPath` represents a path of value or address projections.
It’s used for defining argument effects for functions and for the new escape analysis.
 2022-01-25 11:29:25 +01:00
Erik Eckstein
93f5d9f176 swift SIL: Type.getStructFields -> Type.getNominalFields 
To be able to get class fields as well as struct fields
 2022-01-25 11:29:25 +01:00
Erik Eckstein
75da7d9d3e Swift SIL: add a StringParser utility for simple parsing tasks 2022-01-25 11:29:25 +01:00
Max Desiatov
1f53563780 libswift: remove Instruction.mayReadRefCount 2022-01-19 18:51:19 +00:00
Max Desiatov
d7144c0046 libswift: implement isFieldOnlyNonTrivialField 2022-01-19 18:51:19 +00:00
Max Desiatov
848fa70529 libswift: reimplement Instruction helpers in Swift 2022-01-19 18:51:19 +00:00
Erik Eckstein
cec4b82b39 swift SIL: add some SIL type related bridging 
* `Function.argumentTypes` and `Function.resultType`
* `Type.isNominal`, `Type.isClass`, `Type.isTuple`, `Type.isStruct` and `Type.isEnum`
* `Type.getFieldIndexOfNominal`
* `Type.getFieldTypeOfNominal`
* `Type.tupleElements`
* `Type.description` for better debugging

# Conflicts:
#	SwiftCompilerSources/Sources/SIL/Type.swift
#	SwiftCompilerSources/Sources/SIL/Utils.swift
#	SwiftCompilerSources/Sources/SIL/Value.swift
#	include/swift/SIL/SILBridging.h
#	lib/SIL/Utils/SILBridging.cpp
 2022-01-19 18:51:19 +00:00
Max Desiatov
b964dba177 libswift: implement ReleaseDevirtualizer in Swift 2022-01-19 18:51:19 +00:00
Max Desiatov
7d961001d3 libswift: bridge more functions from SILBuilder 2022-01-19 18:51:18 +00:00
Max Desiatov
f2aefad246 libswift: clean up SIL/Function.swift formatting 2022-01-19 18:51:18 +00:00
Max Desiatov
c780969f79 libswift: clean up SIL/Type.swift formatting 2022-01-19 18:51:18 +00:00
Max Desiatov
196140ab95 libswift: clean up SIL/Utils.swift formatting 2022-01-19 18:51:18 +00:00
Max Desiatov
a0a2d8887b libswift: clean up Instruction.swift formatting 2022-01-19 18:51:18 +00:00
Erik Eckstein
31143bf79c Swift Optimizer: add the Builder.insert(after: Instruction ...) utility 
For inserting new instruction after another instruction. This is especially interesting if the insertion point is a terminator.
In this case, the new instruction(s) are inserted in the successor block(s).
 2022-01-12 15:47:16 +01:00
Erik Eckstein
40200d6544 Swift Optimizer: add BasicBlock utility data structures and rename StackList 
* add `BasicBlockSet`
* add `BasicBlockWorklist`
* add `BasicBlockRange`, which defines a range of blocks from a common dominating “begin” block to a set of “end” blocks.
* add  `InstructionRange`, which is similar to `BasicBlockRange`, just on instruction level. It can be used for value lifetime analysis.
* rename `StackList` -> `Stack` and move it to `Optimizer/DataStructures`
* rename `PassContext.passContext` to `PassContext._bridged`
* add notify-functions to PassContext
 2022-01-12 15:47:16 +01:00
Erik Eckstein
345fcbe39a Improve collections in the swift SIL/Optimizer 
Improve block/instruction lists and similar collections

* pretty print collections in the form “[a, b, c]”
* also do this for lazy sequences
* define a custom Mirror
* in a collection, only print the name of blocks, functions and globals (instead of the full object)
* replace `BasicBlock.reverseInstructions` with `BasicBlock.instructions.reversed()` - in an efficient way
 2022-01-12 15:47:16 +01:00
Erik Eckstein
24b62d4d7c Swift SIL: add a few utilities and instructions 
* instructions: function_ref, mark_dependence
* add `BuiltinInst.id`
* add isObjC and canAllocOnStack for alloc_ref and alloc_ref_dynamic
* add `ApplySite::referencedFunction`
* add `Builder.createDeallocStackRef`
* add == and != operators for `Function`
* add `List.first` and `ReverseList.first`
 2022-01-12 15:47:15 +01:00
Max Desiatov
e54524d7a5 Gardening: remove trailing whitespaces in libswift 2022-01-09 21:09:57 +00:00
Erik Eckstein
383c52aa35 SIL: rename dealloc_ref [stack] -> dealloc_stack_ref 
Introduce a new instruction `dealloc_stack_ref ` and remove the `stack` flag from `dealloc_ref`.

The `dealloc_ref [stack]` was confusing, because all it does is to mark the deallocation of the stack space for a stack promoted object.
 2022-01-07 16:20:27 +01:00
Erik Eckstein
ba364a17ef libswift: rename cmake targets and functions 
libswift -> swiftCompilerModules or swiftCompilerSources
 2021-12-22 11:31:52 +01:00
Erik Eckstein
4beb94c2f9 Rename the libswift directory to SwiftCompilerSources 2021-12-22 09:46:25 +01:00