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// RUN: %swift -prespecialize-generic-metadata -target %module-target-future -emit-ir %s | %FileCheck %s -DINT=i%target-ptrsize -DALIGNMENT=%target-alignment --check-prefix=CHECK --check-prefix=CHECK-%target-vendor
// REQUIRES: VENDOR=apple || OS=linux-gnu
// UNSUPPORTED: CPU=i386 && OS=ios
// UNSUPPORTED: CPU=armv7 && OS=ios
// UNSUPPORTED: CPU=armv7s && OS=ios
fileprivate class Value<First> {
let first_Value: First
init(first: First) {
self.first_Value = first
}
}
fileprivate class Box {
let value: Int
init(value: Int) {
self.value = value
}
}
@inline(never)
func consume<T>(_ t: T) {
withExtendedLifetime(t) { t in
}
}
// TODO: Prespecialize for Klazz<C> for C a class by initializing C in the
// canonical specialized metadata accessor for Klazz<C>. At that point,
// there should be no call to
// __swift_instantiateConcreteTypeFromMangledName.
// CHECK: define hidden swiftcc void @"$s4main4doityyF"() #{{[0-9]+}} {
// CHECK: [[METADATA:%[0-9]+]] = call ptr @__swift_instantiateConcreteTypeFromMangledName(
// CHECK-SAME: @"$s4main5Value[[UNIQUE_ID_1:[A-Za-z0-9_]+]]LLCyAA3BoxACLLCGMD"
// CHECK: {{%[0-9]+}} = call swiftcc ptr @"$s4main5Value[[UNIQUE_ID_1]]LLC5firstADyxGx_tcfC"(
// CHECK-SAME: ptr noalias {{%[0-9]+}},
// CHECK-SAME: ptr swiftself [[METADATA]]
// CHECK-SAME: )
// CHECK: call swiftcc void @"$s4main7consumeyyxlF"(
// CHECK-SAME: ptr noalias {{%[0-9]+}},
// CHECK-SAME: ptr [[METADATA]])
// CHECK: }
func doit() {
consume( Value(first: Box(value: 13)) )
}
doit()
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