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13 Commits

Author SHA1 Message Date
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
cad646b283 re-implement the StackPromotion pass in swift 
It uses the new EscapeInfo.
 2022-05-02 14:22:27 +02:00
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
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
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
Erik Eckstein
4824d6d940 Swift SIL: improve BasicBlockRange and InstructionRange and add tests 
* add `BasicBlockRange.inclusiveRange`
* add `insert(contentsOf:)`
* add the RangeDumper pass to dump ranges for testing
* and add a test file
 2022-03-30 14:45:58 +02:00
Erik Eckstein
887b5ca891 add a Swift pass which can run unit tests. 
The `run-unit-tests` is a "pseudo" pass which is invoked from sil-opt and runs all the unit tests, implemented in Swift.
This is done from the `swift-unit-tests.sil` lit test.
 2022-01-25 11:29:25 +01:00
Max Desiatov
b964dba177 libswift: implement ReleaseDevirtualizer in Swift 2022-01-19 18:51:19 +00:00
Max Desiatov
42e6fac1ea libswift: reimplement AssumeSingleThreaded pass 2022-01-10 08:47:43 +00:00
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