forked from OSchip/llvm-project
184 lines
6.0 KiB
Plaintext
184 lines
6.0 KiB
Plaintext
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.10 -emit-llvm -fblocks -fobjc-weak -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-MODERN
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// RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.10 -emit-llvm -fblocks -fobjc-weak -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-FRAGILE
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@interface Object
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- (instancetype) retain;
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- (void) run;
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@end
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// CHECK-MODERN: @OBJC_CLASS_NAME_{{.*}} = {{.*}} c"\01\00"
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// CHECK-MODERN: @"\01l_OBJC_CLASS_RO_$_Foo" = {{.*}} { i32 772
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// 772 == 0x304
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// ^ HasMRCWeakIvars
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// ^ HasCXXDestructorOnly
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// ^ HasCXXStructors
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// CHECK-FRAGILE: @OBJC_CLASS_NAME_{{.*}} = {{.*}} c"\01\00"
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// CHECK-FRAGILE: @OBJC_CLASS_Foo = {{.*}} i32 134225921,
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// 134225921 == 0x08002001
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// ^ HasMRCWeakIvars
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// ^ HasCXXStructors
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// ^ Factory
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@interface Foo : Object {
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__weak id ivar;
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}
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@end
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@implementation Foo
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// CHECK-LABEL: define internal void @"\01-[Foo .cxx_destruct]"
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// CHECK: call void @objc_destroyWeak
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@end
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void test1(__weak id x) {}
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// CHECK-LABEL: define void @_Z5test1P11objc_object(
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// CHECK: [[X:%.*]] = alloca i8*,
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// CHECK-NEXT: objc_initWeak
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// CHECK-NEXT: objc_destroyWeak
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// CHECK-NEXT: ret void
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void test2(id y) {
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__weak id z = y;
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}
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// CHECK-LABEL: define void @_Z5test2P11objc_object(
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// CHECK: [[Y:%.*]] = alloca i8*,
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// CHECK-NEXT: [[Z:%.*]] = alloca i8*,
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// CHECK-NEXT: store
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// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
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// CHECK-NEXT: call i8* @objc_initWeak(i8** [[Z]], i8* [[T0]])
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// CHECK-NEXT: call void @objc_destroyWeak(i8** [[Z]])
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// CHECK-NEXT: ret void
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void test3(id y) {
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__weak id z;
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z = y;
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}
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// CHECK-LABEL: define void @_Z5test3P11objc_object(
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// CHECK: [[Y:%.*]] = alloca i8*,
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// CHECK-NEXT: [[Z:%.*]] = alloca i8*,
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// CHECK-NEXT: store
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// CHECK-NEXT: store i8* null, i8** [[Z]]
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// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[Y]]
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// CHECK-NEXT: call i8* @objc_storeWeak(i8** [[Z]], i8* [[T0]])
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// CHECK-NEXT: call void @objc_destroyWeak(i8** [[Z]])
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// CHECK-NEXT: ret void
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void test4(__weak id *p) {
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id y = *p;
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}
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// CHECK-LABEL: define void @_Z5test4PU6__weakP11objc_object(
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// CHECK: [[P:%.*]] = alloca i8**,
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// CHECK-NEXT: [[Y:%.*]] = alloca i8*,
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// CHECK-NEXT: store
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// CHECK-NEXT: [[T0:%.*]] = load i8**, i8*** [[P]]
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// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_loadWeak(i8** [[T0]])
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// CHECK-NEXT: store i8* [[T1]], i8** [[Y]]
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// CHECK-NEXT: ret void
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void test5(__weak id *p) {
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id y = [*p retain];
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}
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// CHECK-LABEL: define void @_Z5test5PU6__weakP11objc_object
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// CHECK: [[P:%.*]] = alloca i8**,
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// CHECK-NEXT: [[Y:%.*]] = alloca i8*,
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// CHECK-NEXT: store
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// CHECK-NEXT: [[T0:%.*]] = load i8**, i8*** [[P]]
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// CHECK-NEXT: [[T1:%.*]] = call i8* @objc_loadWeakRetained(i8** [[T0]])
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// CHECK-NEXT: store i8* [[T1]], i8** [[Y]]
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// CHECK-NEXT: ret void
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void test6(__weak Foo **p) {
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Foo *y = [*p retain];
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}
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// CHECK-LABEL: define void @_Z5test6PU6__weakP3Foo
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// CHECK: [[P:%.*]] = alloca [[FOO:%.*]]**,
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// CHECK-NEXT: [[Y:%.*]] = alloca [[FOO]]*,
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// CHECK-NEXT: store
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// CHECK-NEXT: [[T0:%.*]] = load [[FOO]]**, [[FOO]]*** [[P]]
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// CHECK-NEXT: [[T1:%.*]] = bitcast [[FOO]]** [[T0]] to i8**
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// CHECK-NEXT: [[T2:%.*]] = call i8* @objc_loadWeakRetained(i8** [[T1]])
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// CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to [[FOO]]*
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// CHECK-NEXT: store [[FOO]]* [[T3]], [[FOO]]** [[Y]]
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// CHECK-NEXT: ret void
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extern "C" id get_object(void);
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extern "C" void use_block(void (^)(void));
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void test7(void) {
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__weak Foo *p = get_object();
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use_block(^{ [p run ]; });
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}
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// CHECK-LABEL: define void @_Z5test7v
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// CHECK: [[P:%.*]] = alloca [[FOO]]*,
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// CHECK: [[T0:%.*]] = call i8* @get_object()
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// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[FOO]]*
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// CHECK-NEXT: [[T2:%.*]] = bitcast [[FOO]]** [[P]] to i8**
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// CHECK-NEXT: [[T3:%.*]] = bitcast [[FOO]]* [[T1]] to i8*
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// CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]])
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// CHECK: call void @objc_copyWeak
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// CHECK: call void @use_block
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// CHECK: call void @objc_destroyWeak
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// CHECK-LABEL: define internal void @__copy_helper_block
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// CHECK: @objc_copyWeak
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// CHECK-LABEL: define internal void @__destroy_helper_block
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// CHECK: @objc_destroyWeak
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void test8(void) {
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__block __weak Foo *p = get_object();
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use_block(^{ [p run ]; });
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}
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// CHECK-LABEL: define void @_Z5test8v
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// CHECK: call i8* @objc_initWeak
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// CHECK-NOT: call void @objc_copyWeak
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// CHECK: call void @use_block
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// CHECK: call void @objc_destroyWeak
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// CHECK-LABEL: define internal void @__Block_byref_object_copy
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// CHECK: call void @objc_moveWeak
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// CHECK-LABEL: define internal void @__Block_byref_object_dispose
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// CHECK: call void @objc_destroyWeak
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// CHECK-LABEL: define void @_Z14test9_baselinev()
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// CHECK: define internal void @__copy_helper
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// CHECK: define internal void @__destroy_helper
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void test9_baseline(void) {
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Foo *p = get_object();
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use_block(^{ [p run]; });
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}
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// CHECK-LABEL: define void @_Z5test9v()
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// CHECK-NOT: define internal void @__copy_helper
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// CHECK-NOT: define internal void @__destroy_helper
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// CHECK: define void @_Z9test9_finv()
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void test9(void) {
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__unsafe_unretained Foo *p = get_object();
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use_block(^{ [p run]; });
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}
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void test9_fin() {}
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// CHECK-LABEL: define void @_Z6test10v()
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// CHECK-NOT: define internal void @__copy_helper
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// CHECK-NOT: define internal void @__destroy_helper
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// CHECK: define void @_Z10test10_finv()
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void test10(void) {
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typedef __unsafe_unretained Foo *UnsafeFooPtr;
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UnsafeFooPtr p = get_object();
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use_block(^{ [p run]; });
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}
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void test10_fin() {}
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// CHECK-LABEL: define weak_odr void @_Z6test11ILj0EEvv()
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// CHECK-NOT: define internal void @__copy_helper
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// CHECK-NOT: define internal void @__destroy_helper
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// CHECK: define void @_Z10test11_finv()
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template <unsigned i> void test11(void) {
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typedef __unsafe_unretained Foo *UnsafeFooPtr;
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UnsafeFooPtr p = get_object();
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use_block(^{ [p run]; });
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}
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template void test11<0>();
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void test11_fin() {}
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