// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 -disable-llvm-passes | FileCheck %s --check-prefixes=CHECK,CHECK-O2 // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O0 | FileCheck %s --check-prefixes=CHECK,CHECK-O0 // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -O2 -disable-llvm-passes | FileCheck %s --check-prefix=CHECK-MRR // Make sure we emit clang.arc.use before calling objc_release as part of the // cleanup. This way we make sure the object will not be released until the // end of the full expression. @interface C - (id)m0; + (id)m1; @end C *c; @class NSString; extern __attribute__((visibility("default"))) NSString *GenString(void); void os_log_pack_send(void *); // CHECK-LABEL: define{{.*}} void @test_builtin_os_log1( // CHECK: alloca ptr, align 8 // CHECK: %[[A_ADDR:.*]] = alloca ptr, align 8 // CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8 // CHECK-O2: %[[V0:.*]] = call ptr @llvm.objc.retain( // CHECK-O2: store ptr %[[V0]], ptr %[[A_ADDR]], align 8, // CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[A_ADDR]], ptr %{{.*}}) // CHECK-O2: %[[V3:.*]] = call ptr @GenString() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] // CHECK-O0: %[[CALL:.*]] = call ptr @GenString() // CHECK-O0: %[[V3:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]]) // CHECK: %[[V6:.*]] = call ptr @llvm.objc.retain(ptr %[[V3]]) // CHECK: store ptr %[[V6]], ptr %[[OS_LOG_ARG]], // CHECK: %[[V8:.*]] = ptrtoint ptr %[[V6]] to i64 // CHECK: %[[V9:.*]] = load ptr, ptr %[[A_ADDR]], align 8 // CHECK: %[[V10:.*]] = ptrtoint ptr %[[V9]] to i64 // CHECK: call void @__os_log_helper_1_2_2_8_64_8_64(ptr noundef %{{.*}}, i64 noundef %[[V8]], i64 noundef %[[V10]]) // CHECK: call void @llvm.objc.release(ptr %[[V3]]) // CHECK: call void @os_log_pack_send(ptr noundef %{{.*}}) // CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V6]]) // CHECK-O2: %[[V13:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8 // CHECK-O2: call void @llvm.objc.release(ptr %[[V13]]) // CHECK-O2: %[[V15:.*]] = load ptr, ptr %[[A_ADDR]], align 8 // CHECK-O2: call void @llvm.objc.release(ptr %[[V15]]) // CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[OS_LOG_ARG]], ptr null) // CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[A_ADDR]], ptr null) // CHECK-MRR-LABEL: define{{.*}} void @test_builtin_os_log1( // CHECK-MRR-NOT: call {{.*}} @llvm.objc // CHECK-MRR: ret void void test_builtin_os_log1(void *buf, id a) { __builtin_os_log_format(buf, "capabilities: %@ %@", GenString(), a); os_log_pack_send(buf); } // CHECK: define{{.*}} void @test_builtin_os_log2( // CHECK-NOT: @llvm.objc.retain( void test_builtin_os_log2(void *buf, id __unsafe_unretained a) { __builtin_os_log_format(buf, "capabilities: %@", a); os_log_pack_send(buf); } // CHECK-LABEL: define{{.*}} void @test_builtin_os_log3( // CHECK: alloca ptr, align 8 // CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8 // CHECK-O2: %[[V2:.*]] = call ptr @GenString() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] // CHECK-O0: %[[CALL:.*]] = call ptr @GenString() // CHECK-O0: %[[V2:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]]) // CHECK: %[[V5:.*]] = call ptr @llvm.objc.retain(ptr %[[V2]]) // CHECK: store ptr %[[V5]], ptr %[[OS_LOG_ARG]], align 8 // CHECK: %[[V6:.*]] = ptrtoint ptr %[[V5]] to i64 // CHECK: call void @__os_log_helper_1_2_1_8_64(ptr noundef %{{.*}}, i64 noundef %[[V6]]) // CHECK: call void @llvm.objc.release(ptr %[[V2]]) // CHECK: call void @os_log_pack_send(ptr noundef %{{.*}}) // CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V5]]) // CHECK-O2: %[[V9:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8 // CHECK-O2: call void @llvm.objc.release(ptr %[[V9]]) // CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[OS_LOG_ARG]], ptr null) void test_builtin_os_log3(void *buf) { __builtin_os_log_format(buf, "capabilities: %@", (id)GenString()); os_log_pack_send(buf); } // CHECK-LABEL: define{{.*}} void @test_builtin_os_log4( // CHECK: alloca ptr, align 8 // CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8 // CHECK: %[[OS_LOG_ARG2:.*]] = alloca ptr, align 8 // CHECK-O2: %[[V4:.*]] = call {{.*}} @objc_msgSend{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] // CHECK-O0: %[[CALL:.*]] = call {{.*}} @objc_msgSend // CHECK-O0: %[[V4:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]]) // CHECK: %[[V5:.*]] = call ptr @llvm.objc.retain(ptr %[[V4]]) // CHECK: store ptr %[[V5]], ptr %[[OS_LOG_ARG]], align 8 // CHECK: %[[V6:.*]] = ptrtoint ptr %[[V5]] to i64 // CHECK-O2: %[[V10:.*]] = call {{.*}} @objc_msgSend{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ] // CHECK-O0: %[[CALL1:.*]] = call {{.*}} @objc_msgSend // CHECK-O0: %[[V10:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL1]]) // CHECK: %[[V11:.*]] = call ptr @llvm.objc.retain(ptr %[[V10]]) // CHECK: store ptr %[[V11]], ptr %[[OS_LOG_ARG2]], align 8 // CHECK: %[[V12:.*]] = ptrtoint ptr %[[V11]] to i64 // CHECK: call void @__os_log_helper_1_2_2_8_64_8_64(ptr noundef %{{.*}}, i64 noundef %[[V6]], i64 noundef %[[V12]]) // CHECK: call void @llvm.objc.release(ptr %[[V10]]) // CHECK: call void @llvm.objc.release(ptr %[[V4]]) // CHECK: call void @os_log_pack_send(ptr noundef %{{.*}}) // CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V11]]) // CHECK-O2: %[[V14:.*]] = load ptr, ptr %[[OS_LOG_ARG2]], align 8 // CHECK-O2: call void @llvm.objc.release(ptr %[[V14]]) // CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V5]]) // CHECK-O2: %[[V15:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8 // CHECK-O2: call void @llvm.objc.release(ptr %[[V15]]) void test_builtin_os_log4(void *buf) { __builtin_os_log_format(buf, "capabilities: %@ %@", [c m0], [C m1]); os_log_pack_send(buf); } // FIXME: Lifetime of GenString's return should be extended in this case too. // CHECK-LABEL: define{{.*}} void @test_builtin_os_log5( // CHECK: call void @os_log_pack_send( // CHECK-NOT: call void @llvm.objc.release( void test_builtin_os_log5(void *buf) { __builtin_os_log_format(buf, "capabilities: %@", (0, GenString())); os_log_pack_send(buf); }