| // RUN: %target-swift-frontend -primary-file %s -emit-ir | FileCheck %s |
| |
| // REQUIRES: CPU=x86_64 |
| // REQUIRES: objc_interop |
| |
| // CHECK: %swift.refcounted = type { |
| // CHECK: [[TYPE:%swift.type]] = type |
| // CHECK: [[OBJC_CLASS:%objc_class]] = type { |
| // CHECK: [[OPAQUE:%swift.opaque]] = type |
| // CHECK: [[A:%C8subclass1A]] = type <{ [[REF:%swift.refcounted]], %Si, %Si }> |
| // CHECK: [[INT:%Si]] = type <{ i64 }> |
| // CHECK: [[B:%C8subclass1B]] = type <{ [[REF]], [[INT]], [[INT]], [[INT]] }> |
| |
| // CHECK: @_DATA__TtC8subclass1A = private constant {{.*\* } }}{ |
| // CHECK: @_TMfC8subclass1A = internal global [[A_METADATA:<{.*i64 }>]] <{ |
| // CHECK: void ([[A]]*)* @_TFC8subclass1AD, |
| // CHECK: i8** @_TWVBo, |
| // CHECK: i64 ptrtoint ([[OBJC_CLASS]]* @_TMmC8subclass1A to i64), |
| // CHECK: [[OBJC_CLASS]]* @"OBJC_CLASS_$_SwiftObject", |
| // CHECK: [[OPAQUE]]* @_objc_empty_cache, |
| // CHECK: [[OPAQUE]]* null, |
| // CHECK: i64 add (i64 ptrtoint ({ {{.*}} }* @_DATA__TtC8subclass1A to i64), i64 1), |
| // CHECK: i64 ([[A]]*)* @_TFC8subclass1A1ffT_Si, |
| // CHECK: [[A]]* ([[TYPE]]*)* @_TZFC8subclass1A1gfT_S0_ |
| // CHECK: }> |
| // CHECK: @_DATA__TtC8subclass1B = private constant {{.*\* } }}{ |
| // CHECK: @_TMfC8subclass1B = internal global <{ {{.*}} }> <{ |
| // CHECK: void ([[B]]*)* @_TFC8subclass1BD, |
| // CHECK: i8** @_TWVBo, |
| // CHECK: i64 ptrtoint ([[OBJC_CLASS]]* @_TMmC8subclass1B to i64), |
| // CHECK: [[TYPE]]* {{.*}} @_TMfC8subclass1A, |
| // CHECK: [[OPAQUE]]* @_objc_empty_cache, |
| // CHECK: [[OPAQUE]]* null, |
| // CHECK: i64 add (i64 ptrtoint ({ {{.*}} }* @_DATA__TtC8subclass1B to i64), i64 1), |
| // CHECK: i64 ([[B]]*)* @_TFC8subclass1B1ffT_Si, |
| // CHECK: [[A]]* ([[TYPE]]*)* @_TZFC8subclass1A1gfT_S0_ |
| // CHECK: }> |
| // CHECK: @objc_classes = internal global [2 x i8*] [i8* {{.*}} @_TMC8subclass1A {{.*}}, i8* {{.*}} @_TMC8subclass1B {{.*}}], section "__DATA, __objc_classlist, regular, no_dead_strip", align 8 |
| |
| class A { |
| var x = 0 |
| var y = 0 |
| |
| func f() -> Int { return x } |
| class func g() -> A { return A() } |
| init() { } |
| } |
| |
| class B : A { |
| var z : Int = 10 |
| override func f() -> Int { return z } |
| } |
| |
| class G<T> : A { |
| } |
| |
| // Ensure that downcasts to generic types instantiate generic metadata instead |
| // of trying to reference global metadata. <rdar://problem/14265663> |
| |
| // CHECK: define hidden %GC8subclass1GSi_* @_TF8subclass9a_to_gintF{{.*}}(%C8subclass1A*) {{.*}} { |
| func a_to_gint(a: A) -> G<Int> { |
| // CHECK: call %swift.type* @_TMaGC8subclass1GSi_() |
| // CHECK: call i8* @swift_dynamicCastClassUnconditional |
| return a as! G<Int> |
| } |
| // CHECK: } |