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1; RUN: opt -mtriple x86_64-unknown-windows-msvc -passes=objc-arc -o - %s | llvm-dis -o - - | FileCheck %s2 3target triple = "x86_64-unknown-windows-msvc"4 5declare i32 @__CxxFrameHandler3(...)6 7declare dllimport ptr @objc_msgSend(ptr, ptr, ...) local_unnamed_addr8 9declare dllimport ptr @llvm.objc.retain(ptr returned) local_unnamed_addr10declare dllimport void @llvm.objc.release(ptr) local_unnamed_addr11declare dllimport ptr @llvm.objc.retainAutoreleasedReturnValue(ptr returned) local_unnamed_addr12 13declare dllimport ptr @llvm.objc.begin_catch(ptr) local_unnamed_addr14declare dllimport void @llvm.objc.end_catch() local_unnamed_addr15 16@llvm.objc.METH_VAR_NAME_ = private unnamed_addr constant [2 x i8] c"m\00", align 117@llvm.objc.SELECTOR_REFERENCES_ = private externally_initialized global ptr @llvm.objc.METH_VAR_NAME_, section ".objc_selrefs$B", align 818 19define void @f(ptr %i) local_unnamed_addr personality ptr @__CxxFrameHandler3 {20entry:21 %0 = tail call ptr @llvm.objc.retain(ptr %i)22 %1 = load ptr, ptr @llvm.objc.SELECTOR_REFERENCES_, align 8, !invariant.load !023 %call = invoke ptr @objc_msgSend(ptr %0, ptr %1)24 to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !025 26catch.dispatch: ; preds = %entry27 %2 = catchswitch within none [label %catch] unwind to caller28 29invoke.cont: ; preds = %entry30 %3 = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %call)31 tail call void @llvm.objc.release(ptr %3) #0, !clang.imprecise_release !032 br label %eh.cont33 34eh.cont: ; preds = %invoke.cont, %catch35 tail call void @llvm.objc.release(ptr %0) #0, !clang.imprecise_release !036 ret void37 38catch: ; preds = %catch.dispatch39 %4 = catchpad within %2 [ptr null, i32 0, ptr null]40 %exn.adjusted = tail call ptr @llvm.objc.begin_catch(ptr undef)41 tail call void @llvm.objc.end_catch(), !clang.arc.no_objc_arc_exceptions !042 catchret from %4 to label %eh.cont43}44 45; CHECK-LABEL: @f46 47; CHECK-NOT: tail call ptr @llvm.objc.retain(ptr %i)48; CHECK: load ptr, ptr @llvm.objc.SELECTOR_REFERENCES_, align 849 50; CHECK: eh.cont:51; CHECK-NOT: call void @llvm.objc.release(ptr52; CHECK: ret void53 54attributes #0 = { nounwind }55 56!0 = !{}57 58