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// RUN: %empty-directory(%t)
// RUN: %build-irgen-test-overlays
// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) %s -emit-ir | %FileCheck %s
// REQUIRES: CPU=x86_64
// REQUIRES: objc_interop
import Swift
import gizmo
//
// A pure Swift class. We can access its isa directly.
//
class Purebred {
func method() {}
}
sil_vtable Purebred {}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @purebred_method(ptr %0) {{.*}} {
// CHECK: [[ISA:%.*]] = load ptr, ptr %0
// CHECK: getelementptr inbounds {{.*}} [[ISA]]
sil @purebred_method : $@convention(thin) (@owned Purebred) -> () {
entry(%0 : $Purebred):
%m = class_method %0 : $Purebred, #Purebred.method : (Purebred) -> () -> (), $@convention(method) (@guaranteed Purebred) -> ()
%z = apply %m(%0) : $@convention(method) (@guaranteed Purebred) -> ()
return %z : $()
}
//
// A mixed Swift/ObjC class. We have to mask when reading its isa.
//
class Mongrel: Gizmo {
func method() {}
}
sil_vtable Mongrel {}
// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @mongrel_method(ptr %0) {{.*}} {
// CHECK: [[T1:%.*]] = load i64, ptr %0, align 8
// CHECK-NEXT: [[T2:%.*]] = load i64, ptr @swift_isaMask, align 8
// CHECK-NEXT: [[T3:%.*]] = and i64 [[T1]], [[T2]]
// CHECK: [[ISA:%.*]] = inttoptr i64 [[T3]] to ptr
// CHECK: getelementptr inbounds {{.*}} [[ISA]]
sil @mongrel_method : $@convention(thin) (@owned Mongrel) -> () {
entry(%0 : $Mongrel):
%m = class_method %0 : $Mongrel, #Mongrel.method : (Mongrel) -> () -> (), $@convention(method) (@guaranteed Mongrel) -> ()
%z = apply %m(%0) : $@convention(method) (@guaranteed Mongrel) -> ()
return %z : $()
}
// ObjC stubs expected by ObjC metadata emission
sil private @$s18class_isa_pointers7MongrelC6methodyyFTo : $@convention(objc_method) (Purebred) -> () {
entry(%0 : $Purebred):
unreachable
}
sil private @$s18class_isa_pointers7MongrelC7bellsOnACSgSi_tcfcTo : $@convention(objc_method) (Int, Purebred) -> () {
entry(%0 : $Int, %1 : $Purebred):
unreachable
}
sil private @$s18class_isa_pointers7MongrelCACycfcTo : $@convention(objc_method) (Purebred) -> () {
entry(%0 : $Purebred):
unreachable
}
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