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1457 Commits

Author SHA1 Message Date
Erik Eckstein
d96ef3bedd Swift SIL: add some APIs to Location 
* `var description`
* `func ==`
* `func hasSameSourceLocation(as:)`
 2023-01-16 19:00:09 +01:00
Erik Eckstein
8d90dafb22 Swift SIL: add Function.reversedInstructions 2023-01-16 19:00:09 +01:00
Erik Eckstein
3645becada PassManager: infrastructure to disable or enable a specific instruction simplification 
* for testing: add the option `-simplify-instruction=<instruction-name>` to only run simplification passes for that instruction type
* on the swift side, add `Options.enableSimplification`
 2023-01-16 19:00:09 +01:00
Erik Eckstein
72d3f8e3ff Swift SIL: add SubstitutionMap.isEmpty 2023-01-16 19:00:09 +01:00
Erik Eckstein
3f457eb1d4 Swift SIL: add IntegerLiteralInst.value 2023-01-16 19:00:09 +01:00
Erik Eckstein
ee80da2e59 Swift SIL: fix the CondBranch instruction 
* make its properties public
* fix the range construction in `trueOperands`
 2023-01-16 19:00:09 +01:00
Erik Eckstein
d2bdec9f59 Swift SIL: add MarkUninitializedInst and MetatypeInst instructions 2023-01-16 19:00:09 +01:00
Erik Eckstein
221a16ba17 Swift SIL: add more arguments to Builder.createApply 
add the `isNonThrowing` and `isNonAsync` flags and the `specializationInfo`
 2023-01-16 19:00:09 +01:00
Erik Eckstein
cf8c68c6c4 Swift SIL: add Type.hasArchetype 2023-01-16 19:00:09 +01:00
Erik Eckstein
230c93df30 SIL Optimizer: add some SIL modification APIs 
* `MutatingContext.notifyInvalidatedStackNesting` and `MutatingContext.needFixStackNesting`
* `MutatingContext.tryDeleteDeadClosure`
* `MutatingContext.erase(block:)`
* `Undef.get`
* `BasicBlock.moveAllInstructions`
* `BasicBlock.eraseAllArguments`
* `BasicBlock.moveAllArguments`
* `TermInst.replaceBranchTarget`
 2023-01-16 19:00:09 +01:00
Erik Eckstein
ea746479ad SIL Optimizer: rename directory InstructionPasses -> InstructionSimplification 2023-01-16 16:16:51 +01:00
Erik Eckstein
22f03cdde6 Swift Optimizer: generalize the worklist data structure 
Rename `BasicBlockWorklist.swift` to `Worklist` and make it generic for any elements.
Also, add methods `popAndForget` and `isEmpty`
 2023-01-16 16:16:51 +01:00
Erik Eckstein
f3717d5127 Swift Optimizer: add the ReachableBlocks utility 2023-01-16 16:16:51 +01:00
Erik Eckstein
393d1a1488 SIL Builder: rename insert(at:) -> insert(before:) 
It matches with `insert(after:)` and the intent should be clearer now
 2023-01-16 15:11:34 +01:00
Erik Eckstein
cc68bd98c9 Swift Optimizer: rework pass context types and instruction passes 
* split the `PassContext` into multiple protocols and structs: `Context`, `MutatingContext`, `FunctionPassContext` and `SimplifyContext`
* change how instruction passes work: implement the `simplify` function in conformance to `SILCombineSimplifyable`
* add a mechanism to add a callback for inserted instructions
 2023-01-16 15:11:34 +01:00
Erik Eckstein
c32d6cd0fb EscapeUitls: some refactoring 2023-01-16 15:11:34 +01:00
Erik Eckstein
eb0d6ed87e StackPromotion: some refactoring 
NFC
 2023-01-16 15:11:34 +01:00
Erik Eckstein
6c35258f83 Swift SIL: rename parent accessors to parentX, e.g. Instruction.parentBlock 
It makes it easier to read
 2023-01-16 15:11:34 +01:00
Erik Eckstein
712fd7922b Merge remote-tracking branch 'origin/main' into rebranch 2023-01-09 08:48:47 +01:00
eeckstein
6b33768e25 Merge pull request #62864 from eeckstein/fix-compute-side-effects 
ComputeSideEffects: correct side effects for destroy_addr
 2023-01-05 20:35:35 +01:00
Erik Eckstein
1f0f9d65b9 ComputeSideEffects: ignore side effects of debug_value with address operands 
We already ignored side effects of debug_value with non-address operands. Now also do this for address operands.
 2023-01-05 09:56:11 +01:00
Erik Eckstein
e26affacbd ComputeSideEffects: correct side effects for destroy_addr 
A destroy_addr also involves a read from the address. It's equivalent to a `%x = load [take]` and `destroy_value %x`.
It's also a write, because the stored value is not available anymore after the destroy.

Fixes a compiler crash in SILMem2Reg.

rdar://103879105
 2023-01-05 09:56:11 +01:00
Erik Eckstein
3d86732bea EscapeUtils: fix a wrong handling of argument indices in walkUpApplyResult 
Fixes a crash

rdar://103526983
 2023-01-04 11:52:19 +01:00
swift-ci
d52b0977ef Merge remote-tracking branch 'origin/main' into rebranch 2022-12-21 23:34:27 -08:00
Erik Eckstein
beb46eb624 Use the new escape and side effects in alias analysis 2022-12-21 17:41:46 +01:00
swift-ci
0778a6505b Merge remote-tracking branch 'origin/main' into rebranch 2022-12-18 08:54:19 -08:00
Saleem Abdulrasool
04f4d66b73 Merge pull request #62388 from compnerd/naming 
build: rename `EXPERIMENTAL_STRING_PROCESSING_SOURCE_DIR`
 2022-12-18 08:50:40 -08:00
swift-ci
8d9d5b643d Merge remote-tracking branch 'origin/main' into rebranch 2022-12-13 01:53:46 -08:00
Erik Eckstein
d4d1620f28 Swift SIL: rework Instruction and BasicBlock lists to support deleting instructions during iteration 
Replace the generic `List` with the (non-generic) `InstructionList` and `BasicBlockList`.
The `InstructionList` is now a bit different than the `BasicBlockList` because it supports that instructions are deleted while iterating over the list.
Also add a test pass which tests instruction modification while iteration.
 2022-12-12 19:08:57 +01:00
Erik Eckstein
a8ba48e71d Swift SIL: add Instruction.isDeleted API 2022-12-12 19:08:57 +01:00
Erik Eckstein
9e0b86ddbd Swift SIL: add Builder.createUnreachable() 2022-12-12 19:08:57 +01:00
swift-ci
328e716489 Merge remote-tracking branch 'origin/main' into rebranch 2022-12-12 07:33:19 -08:00
Nate Chandler
8d8577e5b0 [SIL] Removed Indirect_In_Constant convention. 
It is no different from @in.

Continue parse @in_constant in textual and serialized SIL, but just as
an alias for @in.
 2022-12-09 21:54:00 -08:00
Saleem Abdulrasool
b58dbb2c0a build: rename EXPERIMENTAL_STRING_PROCESSING_SOURCE_DIR 
Rename the variable to `SWIFT_PATH_TO_STRING_PROCESSING_SOURCE` to match
the variables used for libdispatch, swift-syntax.
 2022-12-03 17:17:13 -08:00
swift-ci
e99a3241f1 Merge remote-tracking branch 'origin/main' into rebranch 2022-12-02 06:15:23 -08:00
Anton Korobeynikov
dd6f468d09 Ensure that partial_apply of partial_apply does not produce conservative global side effects. (#62351) 
Fixes #62249
 2022-12-02 06:14:46 -08:00
swift-ci
e144c12638 Merge remote-tracking branch 'origin/main' into rebranch 2022-11-29 13:14:41 -08:00
Egor Zhdan
7203a05479 [cxx-interop] Replace std module name with the new spelling CxxStdlib 
This is the second step in renaming the C++ stdlib module `std` into `CxxStdlib`.

See https://github.com/apple/swift/pull/61099.
 2022-11-29 17:33:35 +00:00
Rintaro Ishizaki
d458c8b74a Merge remote-tracking branch 'origin/main' into rebranch 
Conflicts:
	include/swift/Sema/ConstraintSystem.h
	include/swift/Syntax/AbsoluteRawSyntax.h
	include/swift/Syntax/Syntax.h
	include/swift/Syntax/SyntaxData.h
	lib/DependencyScan/ModuleDependencyCacheSerialization.cpp
	lib/Syntax/SyntaxFactory.cpp.gyb
	lib/Syntax/SyntaxNodes.cpp.gyb
	tools/SourceKit/lib/SwiftLang/SwiftEditor.cpp
	tools/swift-syntax-test/swift-syntax-test.cpp
 2022-11-18 09:37:38 -08:00
Rintaro Ishizaki
2f50d03d77 Remove swiftCompilerModules_SwiftSyntax library 
This was used by _InternalSwiftSyntaxParser which was removed some time
ago.
 2022-11-17 10:11:26 -08:00
swift-ci
e65fa9c45d Merge remote-tracking branch 'origin/main' into rebranch 2022-11-11 22:52:44 -08:00
Erik Eckstein
ef302ce4ac SILOptimizer: enable stack protection by default 
The pass to decide which functions should get stack protection was added in https://github.com/apple/swift/pull/60933, but was disabled by default.

This PR enables stack protection by default, but not the possibility to move arguments into temporaries - to keep the risk low.
Moving to temporaries can be enabled with the new frontend option `-enable-move-inout-stack-protector`.

rdar://93677524
 2022-11-11 17:14:08 +01:00
swift-ci
3b66e1fdd1 Merge remote-tracking branch 'origin/main' into rebranch 2022-11-09 06:46:20 -08:00
Erik Eckstein
82107c5bf2 ComputeSideEffects: consider effects in dead-end blocks 
It was a wrong assumption that we can ignore effects in dead-end blocks.
 2022-11-09 08:06:19 +01:00
Erik Eckstein
0ada6ec5bd SIL SideEffects: handle program termination point functions 
We can ignore any memory writes in a program termination point, because it's not relevant for the caller.
But we need to consider memory reads, otherwise preceeding memory writes would be eliminated by dead-store-elimination in the caller.
E.g. String initialization for error strings which are printed by the program termination point.
Regarding ownership: a program termination point must not touch any reference counted objects.
 2022-11-09 08:06:19 +01:00
Erik Eckstein
ab2fe452f9 ComputeSideEffects: checking for unknown argument uses need to consider type which contain raw pointers 2022-11-09 08:06:19 +01:00
Erik Eckstein
dbb4d4db32 ComputeSideEffects: fix a typo in a comment 2022-11-09 08:06:19 +01:00
Erik Eckstein
ebc16d9062 EscapeInfoDumper: dump address-reachable-from-object information 2022-11-09 08:06:19 +01:00
Erik Eckstein
4595185150 cmake: llvm now requires C++17 2022-11-04 20:44:18 +01:00
Zoe Carver
ac131dfbf6 Merge pull request #60786 from zoecarver/unavailable-attr-class-templates 
[cxx-interop] Mark un-specialized class templates as unavailable in Swift.
 2022-10-26 11:07:56 -07:00