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