1; RUN: opt -mtriple x86_64-unknown-windows-msvc -passes=objc-arc -o - %s | llvm-dis -o - - | FileCheck %s 2 3target triple = "x86_64-unknown-windows-msvc" 4 5declare i32 @__CxxFrameHandler3(...) 6 7declare dllimport ptr @objc_msgSend(ptr, ptr, ...) local_unnamed_addr 8 9declare dllimport ptr @llvm.objc.retain(ptr returned) local_unnamed_addr 10declare dllimport void @llvm.objc.release(ptr) local_unnamed_addr 11declare dllimport ptr @llvm.objc.retainAutoreleasedReturnValue(ptr returned) local_unnamed_addr 12 13declare dllimport ptr @llvm.objc.begin_catch(ptr) local_unnamed_addr 14declare dllimport void @llvm.objc.end_catch() local_unnamed_addr 15 16@llvm.objc.METH_VAR_NAME_ = private unnamed_addr constant [2 x i8] c"m\00", align 1 17@llvm.objc.SELECTOR_REFERENCES_ = private externally_initialized global ptr @llvm.objc.METH_VAR_NAME_, section ".objc_selrefs$B", align 8 18 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 !0 23 %call = invoke ptr @objc_msgSend(ptr %0, ptr %1) 24 to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0 25 26catch.dispatch: ; preds = %entry 27 %2 = catchswitch within none [label %catch] unwind to caller 28 29invoke.cont: ; preds = %entry 30 %3 = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %call) 31 tail call void @llvm.objc.release(ptr %3) #0, !clang.imprecise_release !0 32 br label %eh.cont 33 34eh.cont: ; preds = %invoke.cont, %catch 35 tail call void @llvm.objc.release(ptr %0) #0, !clang.imprecise_release !0 36 ret void 37 38catch: ; preds = %catch.dispatch 39 %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 !0 42 catchret from %4 to label %eh.cont 43} 44 45; CHECK-LABEL: @f 46 47; CHECK-NOT: tail call ptr @llvm.objc.retain(ptr %i) 48; CHECK: load ptr, ptr @llvm.objc.SELECTOR_REFERENCES_, align 8 49 50; CHECK: eh.cont: 51; CHECK-NOT: call void @llvm.objc.release(ptr 52; CHECK: ret void 53 54attributes #0 = { nounwind } 55 56!0 = !{} 57 58