derek.holloway
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79 lines
2.5 KiB
Plaintext
79 lines
2.5 KiB
Plaintext
// 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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// Test we maintain at least a basic amount of interoperation between
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// ObjC and C++ exceptions in the legacy runtime.
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void foo(void);
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void test0(id obj) {
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@synchronized(obj) {
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foo();
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}
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}
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// CHECK-LABEL: define{{.*}} void @_Z5test0P11objc_object(
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// Enter the @synchronized block.
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// CHECK: call i32 @objc_sync_enter(ptr [[OBJ:%.*]])
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// CHECK: call void @objc_exception_try_enter(ptr nonnull [[BUF:%.*]])
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// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(ptr nonnull [[BUF]])
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// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0
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// CHECK-NEXT: br i1 [[T2]],
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// Body.
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// CHECK: invoke void @_Z3foov()
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// Leave the @synchronized. The reload of obj here is unnecessary.
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// CHECK: call void @objc_exception_try_exit(ptr nonnull [[BUF]])
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// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr
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// CHECK-NEXT: call i32 @objc_sync_exit(ptr [[T0]])
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// CHECK-NEXT: ret void
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// Real EH cleanup.
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// CHECK: [[T0:%.*]] = landingpad
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// CHECK-NEXT: cleanup
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// CHECK-NEXT: call void @objc_exception_try_exit(ptr nonnull [[BUF]])
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// CHECK-NEXT: [[T0:%.*]] = load ptr, ptr
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// CHECK-NEXT: call i32 @objc_sync_exit(ptr [[T0]])
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// CHECK-NEXT: resume
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// ObjC EH "cleanup".
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// CHECK: [[T0:%.*]] = load ptr, ptr
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// CHECK-NEXT: call i32 @objc_sync_exit(ptr [[T0]])
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// CHECK-NEXT: [[T0:%.*]] = call ptr @objc_exception_extract(ptr nonnull [[BUF]])
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// CHECK-NEXT: call void @objc_exception_throw(ptr [[T0]])
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// CHECK-NEXT: unreachable
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void test1(id obj, bool *failed) {
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@try {
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foo();
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} @catch (...) {
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*failed = true;
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}
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}
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// CHECK-LABEL: define{{.*}} void @_Z5test1P11objc_objectPb(
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// Enter the @try block.
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// CHECK: call void @objc_exception_try_enter(ptr nonnull [[BUF:%.*]])
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// CHECK-NEXT: [[T1:%.*]] = call i32 @_setjmp(ptr nonnull [[BUF]])
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// CHECK-NEXT: [[T2:%.*]] = icmp eq i32 [[T1]], 0
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// CHECK-NEXT: br i1 [[T2]],
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// Body.
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// CHECK: invoke void @_Z3foov()
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// Catch handler. Reload of 'failed' address is unnecessary.
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// CHECK: [[T0:%.*]] = load ptr, ptr
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// CHECK-NEXT: store i8 1, ptr [[T0]],
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// CHECK-NEXT: br label
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// Leave the @try.
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// CHECK: call void @objc_exception_try_exit(ptr nonnull [[BUF]])
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// CHECK-NEXT: br label
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// CHECK: ret void
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// Real EH cleanup.
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// CHECK: [[T0:%.*]] = landingpad
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// CHECK-NEXT: cleanup
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// CHECK-NEXT: call void @objc_exception_try_exit(ptr nonnull [[BUF]])
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// CHECK-NEXT: resume
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