58 lines
2.4 KiB
LLVM
58 lines
2.4 KiB
LLVM
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; RUN: opt -mtriple x86_64-unknown-windows-msvc -objc-arc -o - %s | llvm-dis -o - - | FileCheck %s
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target triple = "x86_64-unknown-windows-msvc"
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declare i32 @__CxxFrameHandler3(...)
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declare dllimport i8* @llvm.objc.msgSend(i8*, i8*, ...) local_unnamed_addr
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declare dllimport i8* @llvm.objc.retain(i8* returned) local_unnamed_addr
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declare dllimport void @llvm.objc.release(i8*) local_unnamed_addr
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declare dllimport i8* @llvm.objc.retainAutoreleasedReturnValue(i8* returned) local_unnamed_addr
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declare dllimport i8* @llvm.objc.begin_catch(i8*) local_unnamed_addr
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declare dllimport void @llvm.objc.end_catch() local_unnamed_addr
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@llvm.objc.METH_VAR_NAME_ = private unnamed_addr constant [2 x i8] c"m\00", align 1
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@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
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define void @f(i8* %i) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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entry:
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%0 = tail call i8* @llvm.objc.retain(i8* %i)
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%1 = load i8*, i8** @llvm.objc.SELECTOR_REFERENCES_, align 8, !invariant.load !0
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%call = invoke i8* bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i8* (i8*, i8*)*)(i8* %0, i8* %1)
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to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0
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catch.dispatch: ; preds = %entry
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%2 = catchswitch within none [label %catch] unwind to caller
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invoke.cont: ; preds = %entry
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%3 = tail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call)
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tail call void @llvm.objc.release(i8* %3) #0, !clang.imprecise_release !0
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br label %eh.cont
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eh.cont: ; preds = %invoke.cont, %catch
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tail call void @llvm.objc.release(i8* %0) #0, !clang.imprecise_release !0
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ret void
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catch: ; preds = %catch.dispatch
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%4 = catchpad within %2 [i8* null, i32 0, i8* null]
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%exn.adjusted = tail call i8* @llvm.objc.begin_catch(i8* undef)
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tail call void @llvm.objc.end_catch(), !clang.arc.no_objc_arc_exceptions !0
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br label %eh.cont
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}
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; CHECK-LABEL: @f
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; CHECK-NOT: tail call i8* @llvm.objc.retain(i8* %i)
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; CHECK: load i8*, i8** @llvm.objc.SELECTOR_REFERENCES_, align 8
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; CHECK: eh.cont:
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; CHECK-NOT: call void @llvm.objc.release(i8*
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; CHECK: ret void
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attributes #0 = { nounwind }
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!0 = !{}
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