File: differentiation.swift

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// RUN: %target-swift-frontend -emit-sil -verify %s

// Tests that differentiation features interact correctly with non-differentiation SILOptimizer
// passes.

import _Differentiation

// - MARK: DiagnoseInvalidEscapingCaptures

func nonEscapingUseOfDifferentiableFunction(_ f: @differentiable(reverse) (Float) -> Float) {}
func testDiagnoseInvalidEscapingCaptures(_ f: @differentiable(reverse) (Float) -> Float) {
  // Should not be diagnosed as invalid escaping capture.
  nonEscapingUseOfDifferentiableFunction { f($0) }
}