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; RUN: opt -objc-arc -S %s | FileCheck %s
%0 = type opaque
; Make sure ARC optimizer doesn't sink @obj_retain past @llvm.objc.clang.arc.use.
; CHECK: call i8* @llvm.objc.retain
; CHECK: call void (...) @llvm.objc.clang.arc.use(
; CHECK: call i8* @llvm.objc.retain
; CHECK: call void (...) @llvm.objc.clang.arc.use(
define void @runTest() local_unnamed_addr {
%1 = alloca %0*, align 8
%2 = alloca %0*, align 8
%3 = tail call %0* @foo0()
%4 = bitcast %0* %3 to i8*
%5 = tail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %4)
store %0* %3, %0** %1, align 8
call void @foo1(%0** nonnull %1)
%6 = load %0*, %0** %1, align 8
%7 = bitcast %0* %6 to i8*
%8 = call i8* @llvm.objc.retain(i8* %7)
call void (...) @llvm.objc.clang.arc.use(%0* %3)
call void @llvm.objc.release(i8* %4)
store %0* %6, %0** %2, align 8
call void @foo1(%0** nonnull %2)
%9 = load %0*, %0** %2, align 8
%10 = bitcast %0* %9 to i8*
%11 = call i8* @llvm.objc.retain(i8* %10)
call void (...) @llvm.objc.clang.arc.use(%0* %6)
%tmp1 = load %0*, %0** %2, align 8
call void @llvm.objc.release(i8* %7)
call void @foo2(%0* %9)
call void @llvm.objc.release(i8* %10)
ret void
}
declare %0* @foo0() local_unnamed_addr
declare void @foo1(%0**) local_unnamed_addr
declare void @foo2(%0*) local_unnamed_addr
declare i8* @llvm.objc.retainAutoreleasedReturnValue(i8*) local_unnamed_addr
declare i8* @llvm.objc.retain(i8*) local_unnamed_addr
declare void @llvm.objc.clang.arc.use(...) local_unnamed_addr
declare void @llvm.objc.release(i8*) local_unnamed_addr
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