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swift-mirror/SwiftCompilerSources/Sources/Optimizer/FunctionPasses/AssumeSingleThreaded.swift
2022-01-10 08:47:43 +00:00

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Swift

//===--- AssumeSingleThreaded.swift - Assume single-threaded execution ----===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SIL
let assumeSingleThreadedPass = FunctionPass(
name: "sil-assume-single-threaded", { function, context in
for block in function.blocks {
for inst in block.instructions {
guard let rcInst = inst as? RefCountingInst else { continue }
context.setAtomicity(of: rcInst, isAtomic: false)
}
}
}
)