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link-libc++-on-macos
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1186 Commits

Author SHA1 Message Date
Erik Eckstein
1355e94eca Simplification: simplify builtin "canBeClass" and builtin "assert_configuration" 2023-05-11 08:11:44 +02:00
Erik Eckstein
b9169064c6 Swift SIL: add some APIs 
* `Options.assertConfiguration`
* `Argument.isIndirectResult`
* in `Function`: `selfArgument`, `isTransparent`, `performanceConstraints` and `inlineStrategy`
* `BuiltinInst.substitutionMap`
* `SubstitutionMap.replacementTypes`
* `Type.canBeClass`
 2023-05-11 08:11:44 +02:00
Erik Eckstein
82734b6ac2 Swift Optimizer: simplification for apply, try_apply, begin_apply and partial_apply 
* move the apply of partial_apply transformation from simplify-apply to simplify-partial_apply
* delete dead partial_apply instructions
* devirtualize apply, try_apply and begin_apply
 2023-05-11 08:11:44 +02:00
Erik Eckstein
6eff928989 Swift Optimizer: add a message to an assert 2023-05-11 08:11:44 +02:00
Erik Eckstein
92a17f8a01 Optimizer: extract the NamedReturnValueOptimization from CopyForwarding to a separate function pass 
This allows to run the NamedReturnValueOptimization only late in the pipeline.
The optimization shouldn't be done before serialization, because it might prevent predictable memory optimizations in the caller after inlining.
 2023-05-11 08:11:44 +02:00
Erik Eckstein
08e75f2c50 Swift SIL: add the Operand.set API 
as a shortcut for `Instruction.setOperand`
 2023-05-11 08:03:19 +02:00
Erik Eckstein
4dcd91af7b Swift SIL: add all deallocation instructions and let them conform to the Deallocation protocol 2023-05-11 08:03:19 +02:00
Erik Eckstein
5e2e7e3884 SIL Bridging: use bool for boolean properties 
This was a leftover from the time we didn't use C++ interop
 2023-05-11 08:03:19 +02:00
Erik Eckstein
3d555a412a refactor two swift passes 
NFC
 2023-05-10 16:04:57 +02:00
Erik Eckstein
fa1ecff143 Swift Optimizer: rewrite the MemBehaviorDumper test pass in swift. 2023-05-09 08:25:09 +02:00
Erik Eckstein
960ca70def Swift Optimizer: add the module pass ReadOnlyGlobalVariables 
It marks global `var` variables as `let` if they are never written.
 2023-05-08 21:23:36 +02:00
Erik Eckstein
88a4a9769e Swift Optimizer: add simplification for load 
Replace loads of global let variables with there static initializer values.
 2023-05-08 21:23:36 +02:00
Erik Eckstein
6d6b94e430 Swift Optimizer: add the InitializeStaticGlobals function pass 
It converts a lazily initialized global to a statically initialized global variable.

When this pass runs on a global initializer `[global_init_once_fn]` it tries to create a static initializer for the initialized global.
```
  sil [global_init_once_fn] @globalinit {
    alloc_global @the_global
    %a = global_addr @the_global
    %i = some_const_initializer_insts
    store %i to %a
  }
```

The pass creates a static initializer for the global:
```
  sil_global @the_global = {
    %initval = some_const_initializer_insts
  }
```

and removes the allocation and store instructions from the initializer function:
```
  sil [global_init_once_fn] @globalinit {
    %a = global_addr @the_global
    %i = some_const_initializer_insts
  }
```

The initializer then becomes a side-effect free function which let's the builtin-simplification remove the `builtin "once"` which calls the initializer.
 2023-05-08 21:23:36 +02:00
Erik Eckstein
2b117fd3ee Swift Optimizer: add APIs to copy from or to a global static initializer 
* `Context.copyStaticInitializer(fromInitValue:, to:)`
* `FunctionPassContext.createStaticInitializer(for:,initValue:)`
 2023-05-08 21:23:36 +02:00
Erik Eckstein
78ce13dbd6 WalkUtils: Don't treat end_access as leaf-use in the AddressDefUseWalker 
Instead just ignore it.
 2023-05-08 21:23:36 +02:00
Erik Eckstein
3e04b8681c make ModulePassContext conform to CustomStringConvertible 
and let its description return a dump of the whole module.
This is useful for debugging
 2023-05-08 21:23:36 +02:00
Erik Eckstein
e95c6425f2 Swift SIL: add some APIs for global variables 2023-05-08 21:23:36 +02:00
Erik Eckstein
c4096bc723 Swift Optimizer: simplify builtin "once" 
If the callee is side effect-free we can remove the whole builtin "once".
 2023-05-08 21:23:36 +02:00
Erik Eckstein
9b51e69dac Swift Optimizer: constant fold builtins in the simplification passes 2023-05-08 21:23:36 +02:00
Erik Eckstein
88973a3cd5 Swift Optimizer: add simplification for tuple_extract 
Replace tuple_extract(tuple(x)) -> x
 2023-05-08 21:23:36 +02:00
Erik Eckstein
5a3ab6ee2e Swift Optimizer: add simplifications for destructure_struct and destructure_tuple 
Eliminate the redundant instruction pair
```
  %t = tuple (%0, %1, %2)
  (%3, %4, %5) = destructure_tuple %t
```
and replace the results %3, %4, %5 with %0, %1, %2, respectively.
The same for structs.
 2023-05-08 21:23:36 +02:00
Erik Eckstein
0a05124023 Swift Optimizer: add simplification of debug_step 
When compiling with optimizations, unconditionally remove `debug_step`
 2023-05-08 21:23:36 +02:00
Erik Eckstein
a8c9aae1e0 Swift Optimizer: add simplification for cond_fail 2023-05-08 21:23:36 +02:00
Erik Eckstein
8a8a895239 alias analysis: compute more precise memory effects of builtin "once" 
* Check if the address in question is even visible from outside the function
* Return the memory effects of the called function

Also, add a new API `Instruction.memoryEffects`, which is internally used by `mayReadFromMemory` et al.
 2023-05-08 21:23:36 +02:00
eeckstein
3bad9069a6 Merge pull request #65622 from eeckstein/improve-escape-utils 
EscapeUtils: better handling of noescape closures and convert_function instructions
 2023-05-04 07:54:23 +02:00
Erik Eckstein
5992e68d23 EscapeUtils: better handling of noescape closures and convert_function instructions 
* Assume that a noescape closure argument cannot escape a called function
* Handle convert_function instructions

rdar://108837480
 2023-05-03 19:53:19 +02:00
Erik Eckstein
da3f126322 CalleeAnalysis: no need to provide the PassManager to the getMemBehaviorFn 
A NFC simplification
 2023-05-03 14:33:45 +02:00
Alex Lorenz
220e6faad4 Revert "[cxx-interop][SwiftCompilerSources] Use swift::DiagnosticEngine instead of BridgedDiagnosticEngine" 
This reverts commit e9dedf3c27.

The revert is required as foreign reference types are available for SwiftStdlib 5.8 and above, but the Swift compiler
sources back deploy to older stdlibs as well.
 2023-04-11 15:28:14 -07:00
Erik Eckstein
7d70a70acf SIL: add the drop_deinit instruction 
his instruction is a marker for a following destroy instruction to suppress the call of the move-only type's deinitializer.
 2023-04-11 10:25:48 +02:00
Slava Pestov
3d9a79e4b1 Merge pull request #64777 from slavapestov/sil-optimizer-variadic-generics 
SIL optimizer fixes for variadic generics
 2023-04-03 11:30:03 -04:00
Slava Pestov
e24cbbc42f SILOptimizer: Bridge new Pack_Inout, Pack_Owned, Pack_Guaranteed ownership kinds 2023-03-30 14:10:27 -04:00
Nate Chandler
fc13686403 [ObjCBridgingOpt] Look through copy_value insts. 2023-03-29 11:39:43 -07:00
Erik Eckstein
010efc1ca6 Swift Bridging: use C++ instead of C bridging for the optimizer 2023-03-21 15:33:09 +01:00
Erik Eckstein
04c90166c4 Swift Bridging: use C++ instead of C bridging for BridgedBuilder 2023-03-21 15:33:09 +01:00
Erik Eckstein
b4510105a6 Swift Bridging: remove BridgedNode 2023-03-21 15:33:09 +01:00
Erik Eckstein
7905a9ac64 Swift Bridging: remove C bridging functions for SILDebugLocation 2023-03-21 15:33:09 +01:00
Erik Eckstein
82d9da5981 Swift Bridging: use C++ instead of C bridging for BridgedMultiValueResult 2023-03-21 15:33:09 +01:00
Erik Eckstein
47ac2d2818 Swift Bridging: use C++ instead of C bridging for BridgedArgument 2023-03-21 15:33:09 +01:00
Erik Eckstein
7789b4063e Swift Bridging: remove BridgedMemoryBehavior and use swift.MemoryBehavior instead 2023-03-21 15:33:09 +01:00
Erik Eckstein
4445373808 Swift Bridging: use C++ instead of C bridging for BridgedInstruction 2023-03-21 15:33:09 +01:00
Erik Eckstein
c4f5bab5b7 Swift Bridging: use C++ instead of C bridging for BridgedBasicBlock 2023-03-21 15:33:09 +01:00
Erik Eckstein
c0c0b80c81 Swift Bridging: use C++ instead of C bridging for BridgedGlobalVar 2023-03-21 15:33:09 +01:00
Erik Eckstein
ae7770d911 Swift Bridging: use C++ instead of C bridging for BridgedFunction 2023-03-21 15:33:09 +01:00
Erik Eckstein
e469c16744 Swift Bridging: remove BridgedType and directly use the C++ SILType instead 2023-03-21 15:33:09 +01:00
Erik Eckstein
598644fb92 Swift Bridging: use C++ instead of C bridging for the bridged witness table classes 2023-03-21 15:33:09 +01:00
Erik Eckstein
151f09769f Swift Bridging: use C++ instead of C bridging for BridgedVTable and BridgedVTableEntry 2023-03-21 15:33:09 +01:00
Erik Eckstein
fc2ad09d4b Swift Bridging: use C++ instead of C bridging for BridgedSuccessor 2023-03-21 15:33:09 +01:00
Erik Eckstein
eecea088e7 Swift Bridging: use C++ instead of C bridging for BridgedOperand and BridgedValue 2023-03-21 15:33:09 +01:00
Michael Gottesman
4a309575d7 [sil] Rename [moved] flag on debug_value/alloc_stack to moveable_value_debuginfo. 
This is in preparation for wiring up debug info support for noncopyable
values. Originally this flag name made sense since it was set when we performed
consume operator checking. Now I am going to use it for noncopyable types as
well. I think the new name uses_moveable_value_debuginfo actually describes what
the flag is supposed to do, tell IRGen that the value may be moved since it
needs to use moveable value debug info emission.
 2023-03-19 15:38:42 -07:00
Erik Eckstein
053a38d44b Swift SIL: mark SIL object classes as immortal 
This avoids ARC operations on those objects which improves compile time.
 2023-03-14 21:07:03 +01:00