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Swift Optimizer: rework pass context types and instruction passes

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* 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
This commit is contained in:
Erik Eckstein
2023-01-02 16:19:25 +01:00
parent c32d6cd0fb
commit cc68bd98c9
38 changed files with 441 additions and 463 deletions
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3
SwiftCompilerSources/Sources/Optimizer/DataStructures/Stack.swift
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@@ -61,8 +61,7 @@ struct Stack<Element> : CollectionLikeSequence {
}
}
init(_ context: PassContext) { self.bridgedContext = context._bridged }
init(_ context: ModulePassContext) { self.bridgedContext = context._bridged }
init(_ context: some Context) { self.bridgedContext = context._bridged }
func makeIterator() -> Iterator {
return Iterator(slab: firstSlab, index: 0, lastSlab: lastSlab, endIndex: endIndex)