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