test/ClangImporter/ctypes_ir.swift

// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-ir -o - -primary-file %s | %FileCheck %s

// REQUIRES: OS=macosx

import ctypes

// CHECK-LABEL: define hidden swiftcc void @_T09ctypes_ir9testColoryyF
func testColor() {
  // CHECK: store i32 1
  var c : Color = green
}

// CHECK-LABEL: define hidden swiftcc void @_T09ctypes_ir12testAnonEnumyyF
func testAnonEnum() {
  // CHECK: store i64 30064771073
  var a = AnonConst2
}

// CHECK-LABEL: define hidden swiftcc void @_T09ctypes_ir17testAnonEnumSmallyyF
func testAnonEnumSmall() {
  // CHECK: store i64 17
  var a = AnonConstSmall2
}

func testStructWithFlexibleArray(_ s : StructWithFlexibleArray) {
  var a = s.a
}

// Make sure flexible array struct member isn't represented in IR function signature as i0 (or at all). rdar://problem/18510461
// CHECK-LABEL: define hidden swiftcc void @_T09ctypes_ir27testStructWithFlexibleArrayySC0defG0VF(i32)

typealias EightUp = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)

func testArrays(_ x: UnsafeMutablePointer<Int8>, y: UnsafeMutablePointer<Int8>, z: UnsafeMutablePointer<EightUp>) {
  useArray(x, y, z)
}