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8cb1175e49
This prevents the linker from trying to emit relative relocations to locally-defined public symbols into dynamic libraries, which gives ld.so heartache.
70 lines
2.5 KiB
Plaintext
70 lines
2.5 KiB
Plaintext
// RUN: rm -rf %t && mkdir %t
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// RUN: %build-irgen-test-overlays
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) %s -emit-ir | FileCheck %s
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// REQUIRES: CPU=x86_64
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// REQUIRES: objc_interop
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import Swift
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import gizmo
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//
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// A pure Swift class. We can access its isa directly.
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//
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class Purebred {
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func method() {}
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}
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sil_vtable Purebred {}
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// CHECK-LABEL: define{{( protected)?}} void @purebred_method(%C18class_isa_pointers8Purebred*) {{.*}} {
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// CHECK: [[ISA_PTR:%.*]] = bitcast %C18class_isa_pointers8Purebred* %0 to %swift.type**
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// CHECK: [[ISA:%.*]] = load %swift.type*, %swift.type** [[ISA_PTR]]
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// CHECK: [[VTABLE:%.*]] = bitcast %swift.type* [[ISA]]
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// CHECK: getelementptr inbounds {{.*}} [[VTABLE]]
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sil @purebred_method : $@convention(thin) (@owned Purebred) -> () {
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entry(%0 : $Purebred):
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%m = class_method %0 : $Purebred, #Purebred.method!1 : Purebred -> () -> (), $@convention(method) (@guaranteed Purebred) -> ()
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%z = apply %m(%0) : $@convention(method) (@guaranteed Purebred) -> ()
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return %z : $()
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}
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//
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// A mixed Swift/ObjC class. We have to mask when reading its isa.
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//
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class Mongrel: Gizmo {
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func method() {}
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}
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sil_vtable Mongrel {}
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// CHECK-LABEL: define{{( protected)?}} void @mongrel_method(%C18class_isa_pointers7Mongrel*) {{.*}} {
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// CHECK: [[T0:%.*]] = bitcast {{.*}} %0 to i64*
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// CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[T0]], align 8
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// CHECK-NEXT: [[T2:%.*]] = load i64, i64* @swift_isaMask, align 8
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// CHECK-NEXT: [[T3:%.*]] = and i64 [[T1]], [[T2]]
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// CHECK: [[ISA:%.*]] = inttoptr i64 [[T3]] to %swift.type*
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// CHECK: [[VTABLE:%.*]] = bitcast %swift.type* [[ISA]]
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// CHECK: getelementptr inbounds {{.*}} [[VTABLE]]
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sil @mongrel_method : $@convention(thin) (@owned Mongrel) -> () {
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entry(%0 : $Mongrel):
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%m = class_method %0 : $Mongrel, #Mongrel.method!1 : Mongrel -> () -> (), $@convention(method) (@guaranteed Mongrel) -> ()
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%z = apply %m(%0) : $@convention(method) (@guaranteed Mongrel) -> ()
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return %z : $()
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}
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// ObjC stubs expected by ObjC metadata emission
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sil private @_TToFC18class_isa_pointers7Mongrel6methodfT_T_ : $@convention(objc_method) (Purebred) -> () {
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entry(%0 : $Purebred):
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unreachable
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}
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sil private @_TToFC18class_isa_pointers7MongrelcfT7bellsOnSi_GSQS0__ : $@convention(objc_method) (Int, Purebred) -> () {
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entry(%0 : $Int, %1 : $Purebred):
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unreachable
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}
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sil private @_TToFC18class_isa_pointers7MongrelcfT_S0_ : $@convention(objc_method) (Purebred) -> () {
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entry(%0 : $Purebred):
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unreachable
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}
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