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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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2
SwiftCompilerSources/Sources/Optimizer/DataStructures/BasicBlockRange.swift
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@@ -66,7 +66,7 @@ struct BasicBlockRange : CustomStringConvertible, NoReflectionChildren {
private var inExclusiveRange: BasicBlockSet
private var worklist: BasicBlockWorklist
init(begin: BasicBlock, _ context: PassContext) {
init(begin: BasicBlock, _ context: some Context) {
self.begin = begin
self.inclusiveRange = Stack(context)
self.inserted = Stack(context)