| // RUN: %target-swift-frontend -emit-ir %s | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-runtime |
| |
| // REQUIRES: CPU=x86_64 |
| |
| import Swift |
| |
| protocol Foo: class { } |
| |
| // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @store_weak({ %swift.weak, i8** }* noalias nocapture sret, i64, i64) {{.*}} { |
| // CHECK: entry: |
| // CHECK-objc: [[INSTANCE:%.*]] = inttoptr i64 %1 to %objc_object* |
| // CHECK-native: [[INSTANCE:%.*]] = inttoptr i64 %1 to %swift.refcounted* |
| // CHECK: [[WTABLE:%.*]] = inttoptr i64 %2 to i8** |
| // CHECK: [[WTABLE_SLOT:%.*]] = getelementptr inbounds { %swift.weak, i8** }, { %swift.weak, i8** }* %0, i32 0, i32 1 |
| // CHECK: store i8** [[WTABLE]], i8*** [[WTABLE_SLOT]], align 8 |
| // CHECK: [[INSTANCE_SLOT:%.*]] = getelementptr inbounds { %swift.weak, i8** }, { %swift.weak, i8** }* %0, i32 0, i32 0 |
| // CHECK-objc: call %swift.weak* @swift_unknownObjectWeakAssign(%swift.weak* returned [[INSTANCE_SLOT]], %objc_object* [[INSTANCE]]) {{#[0-9]+}} |
| // CHECK-native: call %swift.weak* @swift_weakAssign(%swift.weak* returned [[INSTANCE_SLOT]], %swift.refcounted* [[INSTANCE]]) {{#[0-9]+}} |
| // CHECK: ret void |
| // CHECK: } |
| sil @store_weak : $@convention(thin) (@owned Foo?) -> @out @sil_weak Foo? { |
| entry(%w : $*@sil_weak Foo?, %x : $Foo?): |
| store_weak %x to %w : $*@sil_weak Foo? |
| return undef : $() |
| } |
