e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
128 lines
6.2 KiB
Objective-C
128 lines
6.2 KiB
Objective-C
// 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
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O0 | FileCheck %s --check-prefixes=CHECK,CHECK-O0
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -O2 -disable-llvm-passes | FileCheck %s --check-prefix=CHECK-MRR
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// Make sure we emit clang.arc.use before calling objc_release as part of the
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// cleanup. This way we make sure the object will not be released until the
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// end of the full expression.
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// rdar://problem/24528966
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@interface C
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- (id)m0;
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+ (id)m1;
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@end
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C *c;
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@class NSString;
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extern __attribute__((visibility("default"))) NSString *GenString(void);
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void os_log_pack_send(void *);
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// CHECK-LABEL: define{{.*}} void @test_builtin_os_log1(
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// CHECK: alloca ptr, align 8
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// CHECK: %[[A_ADDR:.*]] = alloca ptr, align 8
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// CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8
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// CHECK-O2: %[[V0:.*]] = call ptr @llvm.objc.retain(
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// CHECK-O2: store ptr %[[V0]], ptr %[[A_ADDR]], align 8,
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// CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[A_ADDR]], ptr %{{.*}})
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// CHECK-O2: %[[V3:.*]] = call ptr @GenString() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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// CHECK-O0: %[[CALL:.*]] = call ptr @GenString()
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// CHECK-O0: %[[V3:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]])
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// CHECK: %[[V6:.*]] = call ptr @llvm.objc.retain(ptr %[[V3]])
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// CHECK: store ptr %[[V6]], ptr %[[OS_LOG_ARG]],
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// CHECK: %[[V8:.*]] = ptrtoint ptr %[[V6]] to i64
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// CHECK: %[[V9:.*]] = load ptr, ptr %[[A_ADDR]], align 8
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// CHECK: %[[V10:.*]] = ptrtoint ptr %[[V9]] to i64
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// CHECK: call void @__os_log_helper_1_2_2_8_64_8_64(ptr noundef %{{.*}}, i64 noundef %[[V8]], i64 noundef %[[V10]])
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// CHECK: call void @llvm.objc.release(ptr %[[V3]])
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// CHECK: call void @os_log_pack_send(ptr noundef %{{.*}})
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// CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V6]])
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// CHECK-O2: %[[V13:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8
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// CHECK-O2: call void @llvm.objc.release(ptr %[[V13]])
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// CHECK-O2: %[[V15:.*]] = load ptr, ptr %[[A_ADDR]], align 8
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// CHECK-O2: call void @llvm.objc.release(ptr %[[V15]])
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// CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[OS_LOG_ARG]], ptr null)
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// CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[A_ADDR]], ptr null)
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// CHECK-MRR-LABEL: define{{.*}} void @test_builtin_os_log1(
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// CHECK-MRR-NOT: call {{.*}} @llvm.objc
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// CHECK-MRR: ret void
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void test_builtin_os_log1(void *buf, id a) {
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__builtin_os_log_format(buf, "capabilities: %@ %@", GenString(), a);
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os_log_pack_send(buf);
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}
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// CHECK: define{{.*}} void @test_builtin_os_log2(
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// CHECK-NOT: @llvm.objc.retain(
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void test_builtin_os_log2(void *buf, id __unsafe_unretained a) {
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__builtin_os_log_format(buf, "capabilities: %@", a);
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os_log_pack_send(buf);
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}
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// CHECK-LABEL: define{{.*}} void @test_builtin_os_log3(
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// CHECK: alloca ptr, align 8
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// CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8
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// CHECK-O2: %[[V2:.*]] = call ptr @GenString() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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// CHECK-O0: %[[CALL:.*]] = call ptr @GenString()
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// CHECK-O0: %[[V2:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]])
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// CHECK: %[[V5:.*]] = call ptr @llvm.objc.retain(ptr %[[V2]])
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// CHECK: store ptr %[[V5]], ptr %[[OS_LOG_ARG]], align 8
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// CHECK: %[[V6:.*]] = ptrtoint ptr %[[V5]] to i64
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// CHECK: call void @__os_log_helper_1_2_1_8_64(ptr noundef %{{.*}}, i64 noundef %[[V6]])
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// CHECK: call void @llvm.objc.release(ptr %[[V2]])
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// CHECK: call void @os_log_pack_send(ptr noundef %{{.*}})
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// CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V5]])
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// CHECK-O2: %[[V9:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8
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// CHECK-O2: call void @llvm.objc.release(ptr %[[V9]])
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// CHECK-O0: call void @llvm.objc.storeStrong(ptr %[[OS_LOG_ARG]], ptr null)
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void test_builtin_os_log3(void *buf) {
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__builtin_os_log_format(buf, "capabilities: %@", (id)GenString());
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os_log_pack_send(buf);
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}
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// CHECK-LABEL: define{{.*}} void @test_builtin_os_log4(
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// CHECK: alloca ptr, align 8
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// CHECK: %[[OS_LOG_ARG:.*]] = alloca ptr, align 8
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// CHECK: %[[OS_LOG_ARG2:.*]] = alloca ptr, align 8
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// CHECK-O2: %[[V4:.*]] = call {{.*}} @objc_msgSend{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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// CHECK-O0: %[[CALL:.*]] = call {{.*}} @objc_msgSend
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// CHECK-O0: %[[V4:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL]])
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// CHECK: %[[V5:.*]] = call ptr @llvm.objc.retain(ptr %[[V4]])
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// CHECK: store ptr %[[V5]], ptr %[[OS_LOG_ARG]], align 8
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// CHECK: %[[V6:.*]] = ptrtoint ptr %[[V5]] to i64
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// CHECK-O2: %[[V10:.*]] = call {{.*}} @objc_msgSend{{.*}} [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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// CHECK-O0: %[[CALL1:.*]] = call {{.*}} @objc_msgSend
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// CHECK-O0: %[[V10:.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %[[CALL1]])
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// CHECK: %[[V11:.*]] = call ptr @llvm.objc.retain(ptr %[[V10]])
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// CHECK: store ptr %[[V11]], ptr %[[OS_LOG_ARG2]], align 8
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// CHECK: %[[V12:.*]] = ptrtoint ptr %[[V11]] to i64
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// CHECK: call void @__os_log_helper_1_2_2_8_64_8_64(ptr noundef %{{.*}}, i64 noundef %[[V6]], i64 noundef %[[V12]])
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// CHECK: call void @llvm.objc.release(ptr %[[V10]])
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// CHECK: call void @llvm.objc.release(ptr %[[V4]])
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// CHECK: call void @os_log_pack_send(ptr noundef %{{.*}})
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// CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V11]])
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// CHECK-O2: %[[V14:.*]] = load ptr, ptr %[[OS_LOG_ARG2]], align 8
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// CHECK-O2: call void @llvm.objc.release(ptr %[[V14]])
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// CHECK-O2: call void (...) @llvm.objc.clang.arc.use(ptr %[[V5]])
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// CHECK-O2: %[[V15:.*]] = load ptr, ptr %[[OS_LOG_ARG]], align 8
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// CHECK-O2: call void @llvm.objc.release(ptr %[[V15]])
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void test_builtin_os_log4(void *buf) {
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__builtin_os_log_format(buf, "capabilities: %@ %@", [c m0], [C m1]);
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os_log_pack_send(buf);
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}
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// FIXME: Lifetime of GenString's return should be extended in this case too.
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// CHECK-LABEL: define{{.*}} void @test_builtin_os_log5(
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// CHECK: call void @os_log_pack_send(
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// CHECK-NOT: call void @llvm.objc.release(
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void test_builtin_os_log5(void *buf) {
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__builtin_os_log_format(buf, "capabilities: %@", (0, GenString()));
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os_log_pack_send(buf);
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}
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