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//===--- Verifier.swift ---------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2024 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
import OptimizerBridging
private protocol VerifyableInstruction : Instruction {
func verify(_ context: FunctionPassContext)
}
private func require(_ condition: Bool, _ message: @autoclosure () -> String) {
if !condition {
fatalError(message())
}
}
extension Function {
func verify(_ context: FunctionPassContext) {
for block in blocks {
for inst in block.instructions {
inst.checkForwardingConformance()
if let verifyableInst = inst as? VerifyableInstruction {
verifyableInst.verify(context)
}
}
}
}
}
private extension Instruction {
func checkForwardingConformance() {
if bridged.shouldBeForwarding() {
require(self is ForwardingInstruction, "instruction \(self)\nshould conform to ForwardingInstruction")
} else {
require(!(self is ForwardingInstruction), "instruction \(self)\nshould not conform to ForwardingInstruction")
}
}
}
func registerVerifier() {
BridgedUtilities.registerVerifier(
{ (bridgedCtxt: BridgedPassContext, bridgedFunction: BridgedFunction) in
let context = FunctionPassContext(_bridged: bridgedCtxt)
bridgedFunction.function.verify(context)
}
)
}
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