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Optimizer: add an optimization to remove copy_value of a borrowed value. #78068

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Merged
merged 3 commits into from
Dec 10, 2024
Merged

Optimizer: add an optimization to remove copy_value of a borrowed value. #78068

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b4ba750
Optimizer: move `Context.erase(instructions:)` from Outliner to Context
eeckstein Dec 9, 2024
1fcfa11
Optimizer: add `InstructionRange.init(begin:,ends:)` API
eeckstein Dec 9, 2024
dd78dc7
Optimizer: add an optimization to remove `copy_value` of a borrowed v…
eeckstein Dec 9, 2024
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5 changes: 5 additions & 0 deletions SwiftCompilerSources/Sources/Optimizer/DataStructures/InstructionRange.swift
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Expand Up @@ -59,6 +59,11 @@ struct InstructionRange : CustomStringConvertible, NoReflectionChildren {
self.inExclusiveRange.insert(beginInst)
}

init<S: Sequence>(begin beginInst: Instruction, ends: S, _ context: some Context) where S.Element: Instruction {
self = InstructionRange(begin: beginInst, context)
insert(contentsOf: ends)
}

init(for value: Value, _ context: some Context) {
self = InstructionRange(begin: InstructionRange.beginningInstruction(for: value), context)
}
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2 changes: 1 addition & 1 deletion SwiftCompilerSources/Sources/Optimizer/FunctionPasses/CMakeLists.txt
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Expand Up @@ -15,14 +15,14 @@ swift_compiler_sources(Optimizer
ClosureSpecialization.swift
ComputeEscapeEffects.swift
ComputeSideEffects.swift
CopyToBorrowOptimization.swift
DeadStoreElimination.swift
DeinitDevirtualizer.swift
InitializeStaticGlobals.swift
LetPropertyLowering.swift
LifetimeDependenceDiagnostics.swift
LifetimeDependenceInsertion.swift
LifetimeDependenceScopeFixup.swift
LoadCopyToBorrowOptimization.swift
ObjectOutliner.swift
ObjCBridgingOptimization.swift
MergeCondFails.swift
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