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; RUN: opt -passes=objc-arc -S < %s | FileCheck -check-prefix=ENABLE -check-prefix=CHECK %s
; RUN: opt -passes=objc-arc -arc-opt-max-ptr-states=1 -S < %s | FileCheck -check-prefix=DISABLE -check-prefix=CHECK %s
@g0 = common global ptr null, align 8
; CHECK: call ptr @llvm.objc.retain
; ENABLE-NOT: call ptr @llvm.objc.retain
; DISABLE: call ptr @llvm.objc.retain
; CHECK: call void @llvm.objc.release
; ENABLE-NOT: call void @llvm.objc.release
; DISABLE: call void @llvm.objc.release
define void @foo0(ptr %a) {
%1 = tail call ptr @llvm.objc.retain(ptr %a)
%2 = tail call ptr @llvm.objc.retain(ptr %a)
%3 = load ptr, ptr @g0, align 8
store ptr %a, ptr @g0, align 8
tail call void @llvm.objc.release(ptr %3)
tail call void @llvm.objc.release(ptr %a), !clang.imprecise_release !0
ret void
}
declare ptr @llvm.objc.retain(ptr)
declare void @llvm.objc.release(ptr)
!0 = !{}
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