1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -fexceptions -fobjc-exceptions -O2 -o - %s | FileCheck %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc// Test we maintain at least a basic amount of interoperation between 4*f4a2713aSLionel Sambuc// ObjC and C++ exceptions in the legacy runtime. 5*f4a2713aSLionel Sambuc 6*f4a2713aSLionel Sambuc// rdar://12364847 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambucvoid foo(void); 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambucvoid test0(id obj) { 11*f4a2713aSLionel Sambuc @synchronized(obj) { 12*f4a2713aSLionel Sambuc foo(); 13*f4a2713aSLionel Sambuc } 14*f4a2713aSLionel Sambuc} 15*f4a2713aSLionel Sambuc// CHECK-LABEL: define void @_Z5test0P11objc_object( 16*f4a2713aSLionel Sambuc// Enter the @synchronized block. 17*f4a2713aSLionel Sambuc// CHECK: call i32 @objc_sync_enter(i8* [[OBJ:%.*]]) 18*f4a2713aSLionel Sambuc// CHECK: call void @objc_exception_try_enter([[BUF_T:%.*]]* [[BUF:%.*]]) 19*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T0:%.*]] = getelementptr [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 20*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* [[T0]]) 21*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 22*f4a2713aSLionel Sambuc// CHECK-NEXT: br i1 [[T2]], 23*f4a2713aSLionel Sambuc 24*f4a2713aSLionel Sambuc// Body. 25*f4a2713aSLionel Sambuc// CHECK: invoke void @_Z3foov() 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc// Leave the @synchronized. The reload of obj here is unnecessary. 28*f4a2713aSLionel Sambuc// CHECK: call void @objc_exception_try_exit([[BUF_T]]* [[BUF]]) 29*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T0:%.*]] = load i8** 30*f4a2713aSLionel Sambuc// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 31*f4a2713aSLionel Sambuc// CHECK-NEXT: ret void 32*f4a2713aSLionel Sambuc 33*f4a2713aSLionel Sambuc// Real EH cleanup. 34*f4a2713aSLionel Sambuc// CHECK: [[T0:%.*]] = landingpad 35*f4a2713aSLionel Sambuc// CHECK-NEXT: cleanup 36*f4a2713aSLionel Sambuc// CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* [[BUF]]) 37*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T0:%.*]] = load i8** 38*f4a2713aSLionel Sambuc// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 39*f4a2713aSLionel Sambuc// CHECK-NEXT: resume 40*f4a2713aSLionel Sambuc 41*f4a2713aSLionel Sambuc// ObjC EH "cleanup". 42*f4a2713aSLionel Sambuc// CHECK: [[T0:%.*]] = load i8** 43*f4a2713aSLionel Sambuc// CHECK-NEXT: call i32 @objc_sync_exit(i8* [[T0]]) 44*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T0:%.*]] = call i8* @objc_exception_extract([[BUF_T]]* [[BUF]]) 45*f4a2713aSLionel Sambuc// CHECK-NEXT: call void @objc_exception_throw(i8* [[T0]]) 46*f4a2713aSLionel Sambuc// CHECK-NEXT: unreachable 47*f4a2713aSLionel Sambuc 48*f4a2713aSLionel Sambucvoid test1(id obj, bool *failed) { 49*f4a2713aSLionel Sambuc @try { 50*f4a2713aSLionel Sambuc foo(); 51*f4a2713aSLionel Sambuc } @catch (...) { 52*f4a2713aSLionel Sambuc *failed = true; 53*f4a2713aSLionel Sambuc } 54*f4a2713aSLionel Sambuc} 55*f4a2713aSLionel Sambuc// CHECK-LABEL: define void @_Z5test1P11objc_objectPb( 56*f4a2713aSLionel Sambuc// Enter the @try block. 57*f4a2713aSLionel Sambuc// CHECK: call void @objc_exception_try_enter([[BUF_T]]* [[BUF:%.*]]) 58*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T0:%.*]] = getelementptr [[BUF_T]]* [[BUF]], i32 0, i32 0, i32 0 59*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(i32* [[T0]]) 60*f4a2713aSLionel Sambuc// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0 61*f4a2713aSLionel Sambuc// CHECK-NEXT: br i1 [[T2]], 62*f4a2713aSLionel Sambuc 63*f4a2713aSLionel Sambuc// Body. 64*f4a2713aSLionel Sambuc// CHECK: invoke void @_Z3foov() 65*f4a2713aSLionel Sambuc 66*f4a2713aSLionel Sambuc// Leave the @try. 67*f4a2713aSLionel Sambuc// CHECK: call void @objc_exception_try_exit([[BUF_T]]* [[BUF]]) 68*f4a2713aSLionel Sambuc// CHECK-NEXT: br label 69*f4a2713aSLionel Sambuc// CHECK: ret void 70*f4a2713aSLionel Sambuc 71*f4a2713aSLionel Sambuc// Real EH cleanup. 72*f4a2713aSLionel Sambuc// CHECK: [[T0:%.*]] = landingpad 73*f4a2713aSLionel Sambuc// CHECK-NEXT: cleanup 74*f4a2713aSLionel Sambuc// CHECK-NEXT: call void @objc_exception_try_exit([[BUF_T]]* [[BUF]]) 75*f4a2713aSLionel Sambuc// CHECK-NEXT: resume 76*f4a2713aSLionel Sambuc 77*f4a2713aSLionel Sambuc// Catch handler. Reload of 'failed' address is unnecessary. 78*f4a2713aSLionel Sambuc// CHECK: [[T0:%.*]] = load i8** 79*f4a2713aSLionel Sambuc// CHECK-NEXT: store i8 1, i8* [[T0]], 80*f4a2713aSLionel Sambuc// CHECK-NEXT: br label 81