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Provides a list of instructions, which reference a function. A function "use" is an instruction in another (or the same) function which references the function. In most cases those are `function_ref` instructions, but can also be e.g. `keypath` instructions. 'FunctionUses' performs an analysis of all functions in the module and collects instructions which reference other functions. This utility can be used to do inter-procedural caller-analysis.
29 lines
912 B
Swift
29 lines
912 B
Swift
//===--- FunctionUsesDumper.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 - 2022 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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let functionUsesDumper = ModulePass(name: "dump-function-uses", {
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(context: ModulePassContext) in
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var functionUses = FunctionUses()
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functionUses.collect(context: context)
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for function in context.functions {
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let uses = functionUses.getUses(of: function)
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print("Uses of \(function.name)")
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print(uses)
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print("End function \(function.name)\n")
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}
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})
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