| // RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -fexceptions -fobjc-exceptions -O2 -o - %s | FileCheck %s |
| |
| // Test we maintain at least a basic amount of interoperation between |
| // ObjC and C++ exceptions in the legacy runtime. |
| |
| // rdar://12364847 |
| |
| void foo(void); |
| |
| void test0(id obj) { |
| @synchronized(obj) { |
| foo(); |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test0P11objc_object( |
| // Enter the @synchronized block. |
| // CHECK: call i32 @objc_sync_enter(i8* [[OBJ:%.*]]) |
| // CHECK: call void @objc_exception_try_enter([[BUF_T:%.*]]* nonnull [[BUF:%.*]]) |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BUF_T]], [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* nonnull [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 |
| // CHECK-NEXT: br i1 [[T2]], |
| |
| // Body. |
| // CHECK: invoke void @_Z3foov() |
| |
| // Leave the @synchronized. The reload of obj here is unnecessary. |
| // CHECK: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) |
| // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** |
| // CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) |
| // CHECK-NEXT: ret void |
| |
| // Real EH cleanup. |
| // CHECK: [[T0:%.*]] = landingpad |
| // CHECK-NEXT: cleanup |
| // CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) |
| // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** |
| // CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) |
| // CHECK-NEXT: resume |
| |
| // ObjC EH "cleanup". |
| // CHECK: [[T0:%.*]] = load i8*, i8** |
| // CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) |
| // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_exception_extract([[BUF_T]]* nonnull [[BUF]]) |
| // CHECK-NEXT: call void @objc_exception_throw(i8* [[T0]]) |
| // CHECK-NEXT: unreachable |
| |
| void test1(id obj, bool *failed) { |
| @try { |
| foo(); |
| } @catch (...) { |
| *failed = true; |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test1P11objc_objectPb( |
| // Enter the @try block. |
| // CHECK: call void @objc_exception_try_enter([[BUF_T]]* nonnull [[BUF:%.*]]) |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BUF_T]], [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 |
| // CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* nonnull [[T0]]) |
| // CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 |
| // CHECK-NEXT: br i1 [[T2]], |
| |
| // Body. |
| // CHECK: invoke void @_Z3foov() |
| |
| // Leave the @try. |
| // CHECK: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) |
| // CHECK-NEXT: br label |
| // CHECK: ret void |
| |
| // Real EH cleanup. |
| // CHECK: [[T0:%.*]] = landingpad |
| // CHECK-NEXT: cleanup |
| // CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) |
| // CHECK-NEXT: resume |
| |
| // Catch handler. Reload of 'failed' address is unnecessary. |
| // CHECK: [[T0:%.*]] = load i8*, i8** |
| // CHECK-NEXT: store i8 1, i8* [[T0]], |
| // CHECK-NEXT: br label |
