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1; RUN: opt -objc-arc -S < %s | FileCheck -check-prefix=ENABLE -check-prefix=CHECK %s
2; RUN: opt -objc-arc -arc-opt-max-ptr-states=1 -S < %s | FileCheck -check-prefix=DISABLE -check-prefix=CHECK %s
3
4@g0 = common global i8* null, align 8
5
6; CHECK: call i8* @llvm.objc.retain
7; ENABLE-NOT: call i8* @llvm.objc.retain
8; DISABLE: call i8* @llvm.objc.retain
9; CHECK: call void @llvm.objc.release
10; ENABLE-NOT: call void @llvm.objc.release
11; DISABLE: call void @llvm.objc.release
12
13define void @foo0(i8* %a) {
14  %1 = tail call i8* @llvm.objc.retain(i8* %a)
15  %2 = tail call i8* @llvm.objc.retain(i8* %a)
16  %3 = load i8*, i8** @g0, align 8
17  store i8* %a, i8** @g0, align 8
18  tail call void @llvm.objc.release(i8* %3)
19  tail call void @llvm.objc.release(i8* %a), !clang.imprecise_release !0
20  ret void
21}
22
23declare i8* @llvm.objc.retain(i8*)
24declare void @llvm.objc.release(i8*)
25
26!0 = !{}
27