1*67e74705SXin Li// RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -fexceptions -fobjc-exceptions -O2 -o - %s | FileCheck %s 2*67e74705SXin Li 3*67e74705SXin Li// Test we maintain at least a basic amount of interoperation between 4*67e74705SXin Li// ObjC and C++ exceptions in the legacy runtime. 5*67e74705SXin Li 6*67e74705SXin Li// rdar://12364847 7*67e74705SXin Li 8*67e74705SXin Livoid foo(void); 9*67e74705SXin Li 10*67e74705SXin Livoid test0(id obj) { 11*67e74705SXin Li @synchronized(obj) { 12*67e74705SXin Li foo(); 13*67e74705SXin Li } 14*67e74705SXin Li} 15*67e74705SXin Li// CHECK-LABEL: define void @_Z5test0P11objc_object( 16*67e74705SXin Li// Enter the @synchronized block. 17*67e74705SXin Li// CHECK: call i32 @objc_sync_enter(i8* [[OBJ:%.*]]) 18*67e74705SXin Li// CHECK: call void @objc_exception_try_enter([[BUF_T:%.*]]* nonnull [[BUF:%.*]]) 19*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = getelementptr [[BUF_T]], [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 20*67e74705SXin Li// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* [[T0]]) 21*67e74705SXin Li// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 22*67e74705SXin Li// CHECK-NEXT: br i1 [[T2]], 23*67e74705SXin Li 24*67e74705SXin Li// Body. 25*67e74705SXin Li// CHECK: invoke void @_Z3foov() 26*67e74705SXin Li 27*67e74705SXin Li// Leave the @synchronized. The reload of obj here is unnecessary. 28*67e74705SXin Li// CHECK: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) 29*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** 30*67e74705SXin Li// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 31*67e74705SXin Li// CHECK-NEXT: ret void 32*67e74705SXin Li 33*67e74705SXin Li// Real EH cleanup. 34*67e74705SXin Li// CHECK: [[T0:%.*]] = landingpad 35*67e74705SXin Li// CHECK-NEXT: cleanup 36*67e74705SXin Li// CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) 37*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = load i8*, i8** 38*67e74705SXin Li// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 39*67e74705SXin Li// CHECK-NEXT: resume 40*67e74705SXin Li 41*67e74705SXin Li// ObjC EH "cleanup". 42*67e74705SXin Li// CHECK: [[T0:%.*]] = load i8*, i8** 43*67e74705SXin Li// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 44*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_exception_extract([[BUF_T]]* nonnull [[BUF]]) 45*67e74705SXin Li// CHECK-NEXT: call void @objc_exception_throw(i8* [[T0]]) 46*67e74705SXin Li// CHECK-NEXT: unreachable 47*67e74705SXin Li 48*67e74705SXin Livoid test1(id obj, bool *failed) { 49*67e74705SXin Li @try { 50*67e74705SXin Li foo(); 51*67e74705SXin Li } @catch (...) { 52*67e74705SXin Li *failed = true; 53*67e74705SXin Li } 54*67e74705SXin Li} 55*67e74705SXin Li// CHECK-LABEL: define void @_Z5test1P11objc_objectPb( 56*67e74705SXin Li// Enter the @try block. 57*67e74705SXin Li// CHECK: call void @objc_exception_try_enter([[BUF_T]]* nonnull [[BUF:%.*]]) 58*67e74705SXin Li// CHECK-NEXT: [[T0:%.*]] = getelementptr [[BUF_T]], [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 59*67e74705SXin Li// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* [[T0]]) 60*67e74705SXin Li// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 61*67e74705SXin Li// CHECK-NEXT: br i1 [[T2]], 62*67e74705SXin Li 63*67e74705SXin Li// Body. 64*67e74705SXin Li// CHECK: invoke void @_Z3foov() 65*67e74705SXin Li 66*67e74705SXin Li// Leave the @try. 67*67e74705SXin Li// CHECK: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) 68*67e74705SXin Li// CHECK-NEXT: br label 69*67e74705SXin Li// CHECK: ret void 70*67e74705SXin Li 71*67e74705SXin Li// Real EH cleanup. 72*67e74705SXin Li// CHECK: [[T0:%.*]] = landingpad 73*67e74705SXin Li// CHECK-NEXT: cleanup 74*67e74705SXin Li// CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* nonnull [[BUF]]) 75*67e74705SXin Li// CHECK-NEXT: resume 76*67e74705SXin Li 77*67e74705SXin Li// Catch handler. Reload of 'failed' address is unnecessary. 78*67e74705SXin Li// CHECK: [[T0:%.*]] = load i8*, i8** 79*67e74705SXin Li// CHECK-NEXT: store i8 1, i8* [[T0]], 80*67e74705SXin Li// CHECK-NEXT: br label 81