// RUN: %empty-directory(%t)
// RUN: %gyb %s > %t/main.swift
// RUN: %target-swift-frontend -emit-ir %t/main.swift | %FileCheck %s

// CHECK-NOT: switch i{{[0-9]}}
class C {}

enum TwoTags {
  case A, B
}

enum OneFullPayloadOneTag {
  case A(Int), B
}

enum OneXIPayloadOneTag {
  case A(C), B
}

enum OneGenericPayloadOneTag<T> {
  case A(T), B
}

enum TwoFullPayloads {
  case A(Int), B(Int)
}

enum TwoSpareBitPayloads {
  case A(C), B(C)
}

enum TwoGenericPayloads<T,U> {
  case A(T), B(U)
}

func a() {}
func b() {}

%{
Types = [
  'TwoTags',
  'OneFullPayloadOneTag',
  'OneXIPayloadOneTag',
  'OneGenericPayloadOneTag<T>',
  'TwoFullPayloads',
  'TwoSpareBitPayloads',
  'TwoGenericPayloads<T, U>',
]
}%

% for Type in Types:

func switch${Type}(_ x: ${Type}) {
  switch x {
  case .A:
    a()
  case .B:
    b()
  }
}

% end