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1; RUN: opt -passes=objc-arc -S < %s | FileCheck -check-prefix=ENABLE -check-prefix=CHECK %s2; RUN: opt -passes=objc-arc -arc-opt-max-ptr-states=1 -S < %s | FileCheck -check-prefix=DISABLE -check-prefix=CHECK %s3 4@g0 = common global ptr null, align 85 6; CHECK: call ptr @llvm.objc.retain7; ENABLE-NOT: call ptr @llvm.objc.retain8; DISABLE: call ptr @llvm.objc.retain9; CHECK: call void @llvm.objc.release10; ENABLE-NOT: call void @llvm.objc.release11; DISABLE: call void @llvm.objc.release12 13define void @foo0(ptr %a) {14 %1 = tail call ptr @llvm.objc.retain(ptr %a)15 %2 = tail call ptr @llvm.objc.retain(ptr %a)16 %3 = load ptr, ptr @g0, align 817 store ptr %a, ptr @g0, align 818 tail call void @llvm.objc.release(ptr %3)19 tail call void @llvm.objc.release(ptr %a), !clang.imprecise_release !020 ret void21}22 23declare ptr @llvm.objc.retain(ptr)24declare void @llvm.objc.release(ptr)25 26!0 = !{}27