// RUN: %swift -prespecialize-generic-metadata -target %module-target-future -emit-ir %s | %FileCheck %s -DINT=i%target-ptrsize -DALIGNMENT=%target-alignment

// REQUIRES: OS=macosx || OS=ios || OS=tvos || OS=watchos || OS=linux-gnu
// UNSUPPORTED: CPU=i386 && OS=ios
// UNSUPPORTED: CPU=armv7 && OS=ios
// UNSUPPORTED: CPU=armv7s && OS=ios

// CHECK: @"$sytN" = external{{( dllimport)?}} global %swift.full_type

// CHECK: @"$s4main5ValueOySiGMf" = linkonce_odr hidden constant <{
// CHECK-SAME:    i8**,
// CHECK-SAME:    [[INT]],
// CHECK-SAME:    %swift.type_descriptor*,
// CHECK-SAME:    %swift.type*,
// CHECK-SAME:    i8**,
// CHECK-SAME:    i64
// CHECK-SAME: }> <{
// CHECK-SAME:    i8** getelementptr inbounds (%swift.enum_vwtable, %swift.enum_vwtable* @"$s4main5ValueOySiGWV", i32 0, i32 0),
// CHECK-SAME:    [[INT]] 513,
// CHECK-SAME:    %swift.type_descriptor* bitcast (<{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i16, i16, i16, i16, i8, i8, i8, i8, i32, i32, i32 }>* @"$s4main5ValueOMn" to %swift.type_descriptor*),
// CHECK-SAME:    %swift.type* @"$sSiN",
// CHECK-SAME:    i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @"$sSi4main1PAAWP", i32 0, i32 0),
// CHECK-SAME:    i64 3
// CHECK-SAME: }>, align [[ALIGNMENT]]

public protocol P {}
extension Int : P {}
enum Value<First : P> {
  case first(First)
}

@inline(never)
func consume<T>(_ t: T) {
  withExtendedLifetime(t) { t in
  }
}

// CHECK: define hidden swiftcc void @"$s4main4doityyF"() #{{[0-9]+}} {
// CHECK:   call swiftcc void @"$s4main7consumeyyxlF"(
// CHECK-SAME:     %swift.opaque* noalias nocapture %{{[0-9]+}}, 
// CHECK-SAME:     %swift.type* getelementptr inbounds (
// CHECK-SAME:       %swift.full_type, 
// CHECK-SAME:       %swift.full_type* bitcast (
// CHECK-SAME:         <{ 
// CHECK-SAME:           i8**, 
// CHECK-SAME:           [[INT]], 
// CHECK-SAME:           %swift.type_descriptor*, 
// CHECK-SAME:           %swift.type*, 
// CHECK-SAME:           i8**, 
// CHECK-SAME:           i64 
// CHECK-SAME:         }>* @"$s4main5ValueOySiGMf" 
// CHECK-SAME:         to %swift.full_type*
// CHECK-SAME:       ), 
// CHECK-SAME:       i32 0, 
// CHECK-SAME:       i32 1
// CHECK-SAME:     )
// CHECK-SAME:   )
// CHECK: }
func doit() {
  consume( Value.first(13) )
}
doit()

// CHECK: ; Function Attrs: noinline nounwind readnone
// CHECK: define hidden swiftcc %swift.metadata_response @"$s4main5ValueOMa"([[INT]] %0, %swift.type* %1, i8** %2) #{{[0-9]+}} {
// CHECK: entry:
// CHECK:   [[ERASED_TYPE:%[0-9]+]] = bitcast %swift.type* %1 to i8*
// CHECK:   [[ERASED_TABLE:%[0-9]+]] = bitcast i8** %2 to i8*
// CHECK:   br label %[[TYPE_COMPARISON_LABEL:[0-9]+]]
// CHECK: [[TYPE_COMPARISON_LABEL]]:
// CHECK:   [[EQUAL_TYPE:%[0-9]+]] = icmp eq i8* bitcast (%swift.type* @"$sSiN" to i8*), [[ERASED_TYPE]]
// CHECK:   [[EQUAL_TYPES:%[0-9]+]] = and i1 true, [[EQUAL_TYPE]]
// CHECK:   br i1 [[EQUAL_TYPES]], label %[[EXIT_PRESPECIALIZED:[0-9]+]], label %[[EXIT_NORMAL:[0-9]+]]
// CHECK: [[EXIT_PRESPECIALIZED]]:
// CHECK:   ret %swift.metadata_response { 
// CHECK-SAME:     %swift.type* getelementptr inbounds (
// CHECK-SAME:       %swift.full_type, 
// CHECK-SAME:       %swift.full_type* bitcast (
// CHECK-SAME:         <{ 
// CHECK-SAME:           i8**, 
// CHECK-SAME:           [[INT]], 
// CHECK-SAME:           %swift.type_descriptor*, 
// CHECK-SAME:           %swift.type*, 
// CHECK-SAME:           i8**, 
// CHECK-SAME:           i64 
// CHECK-SAME:         }>* @"$s4main5ValueOySiGMf" 
// CHECK-SAME:         to %swift.full_type*
// CHECK-SAME:       ), 
// CHECK-SAME:       i32 0, 
// CHECK-SAME:       i32 1
// CHECK-SAME:     ), 
// CHECK-SAME:     [[INT]] 0 
// CHECK-SAME:   }
// CHECK: [[EXIT_NORMAL]]:
// CHECK:   {{%[0-9]+}} = call swiftcc %swift.metadata_response @__swift_instantiateGenericMetadata([[INT]] %0, i8* [[ERASED_TYPE]], i8* [[ERASED_TABLE]], i8* undef, %swift.type_descriptor* bitcast (<{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i16, i16, i16, i16, i8, i8, i8, i8, i32, i32, i32 }>* @"$s4main5ValueOMn" to %swift.type_descriptor*))
// CHECK:   ret %swift.metadata_response {{%[0-9]+}}
// CHECK: }
