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// Make sure it works on x86-64.
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime=macosx-10.11 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=NOTAIL-CALL
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime=macosx-10.11 -fobjc-arc -emit-llvm -O2 -disable-llvm-passes -o - %s | FileCheck %s -check-prefix=ATTACHED-CALL
// Make sure it works on x86-32.
// RUN: %clang_cc1 -triple i386-apple-darwin11 -fobjc-runtime=macosx-fragile-10.11 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=CHECK-MARKED -check-prefix=CALL
// Make sure it works on ARM64.
// RUN: %clang_cc1 -triple arm64-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=CHECK-MARKED -check-prefix=CALL
// Make sure it works on ARM.
// RUN: %clang_cc1 -triple armv7-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-UNOPTIMIZED -check-prefix=CHECK-MARKED -check-prefix=CALL
// RUN: %clang_cc1 -triple armv7-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -O -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-OPTIMIZED -check-prefix=CALL
// Make sure that it's implicitly disabled if the runtime version isn't high enough.
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-10.10 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=DISABLED
// RUN: %clang_cc1 -triple arm64-apple-ios8 -fobjc-runtime=ios-8 -fobjc-arc -emit-llvm -o - %s | FileCheck %s -check-prefix=DISABLED -check-prefix=DISABLED-MARKED
@class A;
A *makeA(void);
void test_assign(void) {
__unsafe_unretained id x;
x = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_assign()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// DISABLED-LABEL: define{{.*}} void @test_assign()
// DISABLED: [[T0:%.*]] = call ptr @makeA()
// DISABLED-MARKED-NEXT: call void asm sideeffect
// DISABLED-NEXT: [[T2:%.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[T0]])
// ATTACHED-CALL-LABEL: define{{.*}} void @test_assign()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_assign_assign(void) {
__unsafe_unretained id x, y;
x = y = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_assign_assign()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_assign_assign()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_strong_assign_assign(void) {
__strong id x;
__unsafe_unretained id y;
x = y = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_strong_assign_assign()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// CHECK-NEXT: [[T2:%.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[X]]
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-UNOPTIMIZED-NEXT: call void @llvm.objc.storeStrong(ptr [[X]], ptr null)
// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load ptr, ptr [[X]]
// CHECK-OPTIMIZED-NEXT: call void @llvm.objc.release(ptr [[T0]])
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_strong_assign_assign()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_assign_strong_assign(void) {
__unsafe_unretained id x;
__strong id y;
x = y = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_assign_strong_assign()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// CHECK-NEXT: [[T2:%.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[Y]]
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]]
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-UNOPTIMIZED-NEXT: call void @llvm.objc.storeStrong(ptr [[Y]], ptr null)
// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]
// CHECK-OPTIMIZED-NEXT: call void @llvm.objc.release(ptr [[T0]])
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_assign_strong_assign()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_init(void) {
__unsafe_unretained id x = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_init()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_init()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_init_assignment(void) {
__unsafe_unretained id x;
__unsafe_unretained id y = x = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_init_assignment()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_init_assignment()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_strong_init_assignment(void) {
__unsafe_unretained id x;
__strong id y = x = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_strong_init_assignment()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// CHECK-NEXT: [[T2:%.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-UNOPTIMIZED-NEXT: call void @llvm.objc.storeStrong(ptr [[Y]], ptr null)
// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]
// CHECK-OPTIMIZED-NEXT: call void @llvm.objc.release(ptr [[T0]])
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_strong_init_assignment()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_init_strong_assignment(void) {
__strong id x;
__unsafe_unretained id y = x = makeA();
}
// CHECK-LABEL: define{{.*}} void @test_init_strong_assignment()
// CHECK: [[X:%.*]] = alloca ptr
// CHECK: [[Y:%.*]] = alloca ptr
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// CHECK-NEXT: [[T2:%.*]] = {{.*}}call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[X]]
// CHECK-NEXT: store ptr [[T2]], ptr [[X]]
// CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]])
// CHECK-NEXT: store ptr [[T2]], ptr [[Y]]
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-UNOPTIMIZED-NEXT: call void @llvm.objc.storeStrong(ptr [[X]], ptr null)
// CHECK-OPTIMIZED-NEXT: [[T0:%.*]] = load ptr, ptr [[X]]
// CHECK-OPTIMIZED-NEXT: call void @llvm.objc.release(ptr [[T0]])
// CHECK-OPTIMIZED-NEXT: lifetime.end
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_init_strong_assignment()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_ignored(void) {
makeA();
}
// CHECK-LABEL: define{{.*}} void @test_ignored()
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_ignored()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
void test_cast_to_void(void) {
(void) makeA();
}
// CHECK-LABEL: define{{.*}} void @test_cast_to_void()
// CHECK: [[T0:%.*]] = call ptr @makeA()
// CHECK-MARKED-NEXT: call void asm sideeffect
// NOTAIL-CALL-NEXT: [[T2:%.*]] = notail call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CALL-NEXT: [[T2:%.*]] = call ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr [[T0]])
// CHECK-NEXT: ret void
// ATTACHED-CALL-LABEL: define{{.*}} void @test_cast_to_void()
// ATTACHED-CALL: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ],
// ATTACHED-CALL: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[T0]])
// This is always at the end of the module.
// CHECK-OPTIMIZED: !llvm.module.flags = !{!0,
// CHECK-OPTIMIZED: !0 = !{i32 1, !"clang.arc.retainAutoreleasedReturnValueMarker", !"mov{{.*}}marker for objc_retainAutoreleaseReturnValue"}
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