41 lines
1.5 KiB
LLVM
41 lines
1.5 KiB
LLVM
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; RUN: opt -mtriple=x86_64-windows-msvc -passes=objc-arc -S < %s | FileCheck %s
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; Check that funclet tokens are preserved
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;
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; CHECK-LABEL: catch:
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; CHECK: %1 = catchpad within %0
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; CHECK: %2 = tail call ptr @llvm.objc.retain(ptr %exn) #0 [ "funclet"(token %1) ]
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; CHECK: call void @llvm.objc.release(ptr %exn) #0 [ "funclet"(token %1) ]
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; CHECK: catchret from %1 to label %eh.cont
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define void @try_catch_with_objc_intrinsic() personality ptr @__CxxFrameHandler3 {
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entry:
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%exn.slot = alloca ptr, align 8
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invoke void @may_throw(ptr null) to label %eh.cont unwind label %catch.dispatch
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catch.dispatch: ; preds = %entry
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%0 = catchswitch within none [label %catch] unwind to caller
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eh.cont: ; preds = %catch, %entry
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ret void
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catch: ; preds = %catch.dispatch
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%1 = catchpad within %0 [ptr null, i32 0, ptr %exn.slot]
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br label %if.then
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if.then: ; preds = %catch
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%exn = load ptr, ptr null, align 8
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%2 = call ptr @llvm.objc.retain(ptr %exn) [ "funclet"(token %1) ]
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call void @may_throw(ptr %exn)
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call void @llvm.objc.release(ptr %exn) [ "funclet"(token %1) ]
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catchret from %1 to label %eh.cont
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}
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declare void @may_throw(ptr)
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declare i32 @__CxxFrameHandler3(...)
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declare ptr @llvm.objc.retain(ptr) #0
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declare void @llvm.objc.release(ptr) #0
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attributes #0 = { nounwind }
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