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1; RUN: opt -mtriple x86_64-unknown-windows-msvc -objc-arc -o - %s | llvm-dis -o - - | FileCheck %s
2
3target triple = "x86_64-unknown-windows-msvc"
4
5declare i32 @__CxxFrameHandler3(...)
6
7declare dllimport i8* @llvm.objc.msgSend(i8*, i8*, ...) local_unnamed_addr
8
9declare dllimport i8* @llvm.objc.retain(i8* returned) local_unnamed_addr
10declare dllimport void @llvm.objc.release(i8*) local_unnamed_addr
11declare dllimport i8* @llvm.objc.retainAutoreleasedReturnValue(i8* returned) local_unnamed_addr
12
13declare dllimport i8* @llvm.objc.begin_catch(i8*) 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 i8* getelementptr inbounds ([2 x i8], [2 x i8]* @llvm.objc.METH_VAR_NAME_, i64 0, i64 0), section ".objc_selrefs$B", align 8
18
19define void @f(i8* %i) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
20entry:
21  %0 = tail call i8* @llvm.objc.retain(i8* %i)
22  %1 = load i8*, i8** @llvm.objc.SELECTOR_REFERENCES_, align 8, !invariant.load !0
23  %call = invoke i8* bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i8* (i8*, i8*)*)(i8* %0, i8* %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 i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call)
31  tail call void @llvm.objc.release(i8* %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(i8* %0) #0, !clang.imprecise_release !0
36  ret void
37
38catch:                                            ; preds = %catch.dispatch
39  %4 = catchpad within %2 [i8* null, i32 0, i8* null]
40  %exn.adjusted = tail call i8* @llvm.objc.begin_catch(i8* undef)
41  tail call void @llvm.objc.end_catch(), !clang.arc.no_objc_arc_exceptions !0
42  br label %eh.cont
43}
44
45; CHECK-LABEL: @f
46
47; CHECK-NOT: tail call i8* @llvm.objc.retain(i8* %i)
48; CHECK: load i8*, i8** @llvm.objc.SELECTOR_REFERENCES_, align 8
49
50; CHECK: eh.cont:
51; CHECK-NOT: call void @llvm.objc.release(i8*
52; CHECK: ret void
53
54attributes #0 = { nounwind }
55
56!0 = !{}
57
58