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27 lines
921 B
Swift
27 lines
921 B
Swift
//===--- SimplifyTupleExtract.swift ---------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SIL
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extension TupleExtractInst : OnoneSimplifyable {
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func simplify(_ context: SimplifyContext) {
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// Replace tuple_extract(tuple(x)) -> x
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guard let tupleInst = tuple as? TupleInst else {
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return
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}
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context.tryReplaceRedundantInstructionPair(first: tupleInst, second: self,
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with: tupleInst.operands[fieldIndex].value)
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}
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}
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