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4 Commits

Author SHA1 Message Date
Meghana Gupta
12f8153b4e Disable function signature optimization on functions with lifetime dependencies 2025-07-10 07:39:52 -07:00
Erik Eckstein
8cab792753 FunctionSignatureOptimization: don't convert indirect @in to @in_guaranteed if the argument is mutated 
This fixes a verifier error because an `@in_guaranteed` argument must not be mutated.

https://github.com/swiftlang/swift/issues/81444
rdar://151147971
 2025-05-13 18:53:31 +02:00
Erik Eckstein
741c6c38df Swift Optimizer: add the ComputeSideEffects pass. 
Computes the side effects for a function, which consists of argument- and global effects.
This is similar to the ComputeEscapeEffects pass, just for side-effects.
 2022-10-05 07:38:11 +02:00
Erik Eckstein
0c3e6e2291 FunctionSignatureOpts: fix a crash due to a missing argument declaration 
The existential -> generic transformation in FSO didn't preserve the argument declaration.
This caused an assert to hit in a later FSO transformation.

rdar://problem/61206439
https://bugs.swift.org/browse/SR-12487
 2020-04-15 20:52:30 +02:00