| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %S/Inputs/abi %s -whole-module-optimization -emit-ir | %FileCheck %s |
| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -I %S/Inputs/abi %s -emit-ir | %FileCheck %s |
| // |
| // REQUIRES: objc_interop |
| |
| import gadget |
| import Foundation |
| |
| @inline(never) |
| func blackHole<T>(_ t: T) { } |
| |
| // CHECK-DAG: @"OBJC_CLASS_$_NSNumber" = external global %struct._class_t |
| // CHECK-DAG: @"OBJC_CLASS_$_NSString" = external global %struct._class_t |
| // CHECK-DAG: @"OBJC_CLASSLIST_REFERENCES_$_{{.*}}" = private global %struct._class_t* @"OBJC_CLASS_$_NSNumber", section "__DATA,__objc_classrefs,regular,no_dead_strip" |
| // CHECK-DAG: @"OBJC_CLASSLIST_REFERENCES_$_{{.*}}" = private global %struct._class_t* @"OBJC_CLASS_$_NSString", section "__DATA,__objc_classrefs,regular,no_dead_strip" |
| |
| public func testLiterals() { |
| blackHole(gadget.giveMeASelector()) |
| blackHole(gadget.giveMeANumber()) |
| blackHole(gadget.giveMeAMetaclass()) |
| } |
| |
| func fooInternal() { |
| blackHole(NSString.self as AnyObject) |
| } |
| |
| public func fooLazy() { |
| fooInternal() |
| } |
| |
| // CHECK-LABEL: define internal i8* @giveMeASelector() |
| // CHECK: load i8*, i8** @OBJC_SELECTOR_REFERENCES_ |
| // CHECK: ret |
| |
| // CHECK-LABEL: define internal {{.*}}* @giveMeANumber() |
| // CHECK: [[CLASS:%.*]] = load %struct._class_t*, %struct._class_t** |
| // CHECK: [[SELECTOR:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_.{{.*}} |
| // CHECK: bitcast %struct._class_t* [[CLASS]] to i8* |
| // CHECK: call {{.*}} @objc_msgSend |
| // CHECK: ret |
| |
| // CHECK-LABEL: define internal i8* @giveMeAMetaclass() |
| // CHECK: [[CLASS:%.*]] = load %struct._class_t*, %struct._class_t** |
| // CHECK: [[SELECTOR:%.*]] = load i8*, i8** @OBJC_SELECTOR_REFERENCES_ |
| // CHECK: bitcast %struct._class_t* [[CLASS]] to i8* |
| // CHECK: call {{.*}} @objc_msgSend |
| // CHECK: ret |
