Files
swift-mirror/SwiftCompilerSources/Sources/Optimizer/InstructionSimplification/SimplifyCopyValue.swift
Erik Eckstein e718bfe8ed Optimizer: reimplement simplifications for copy_value and destroy_value in swift
So that they can run in the OnoneSimplification pass
2023-10-27 10:47:07 +02:00

23 lines
785 B
Swift

//===--- SimplifyCopyValue.swift ------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 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
extension CopyValueInst : OnoneSimplifyable, SILCombineSimplifyable {
func simplify(_ context: SimplifyContext) {
if fromValue.ownership == .none {
uses.replaceAll(with: fromValue, context)
context.erase(instruction: self)
}
}
}