58 lines
2.0 KiB
LLVM
58 lines
2.0 KiB
LLVM
; RUN: opt -objc-arc -S < %s | FileCheck %s
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declare i8* @llvm.objc.initWeak(i8**, i8*)
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declare i8* @llvm.objc.storeWeak(i8**, i8*)
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declare i8* @llvm.objc.loadWeak(i8**)
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declare void @llvm.objc.destroyWeak(i8**)
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declare i8* @llvm.objc.loadWeakRetained(i8**)
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declare void @llvm.objc.moveWeak(i8**, i8**)
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declare void @llvm.objc.copyWeak(i8**, i8**)
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; If the pointer-to-weak-pointer is null, it's undefined behavior.
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; CHECK-LABEL: define void @test0(
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: store i8* undef, i8** null
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; CHECK: ret void
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define void @test0(i8* %p, i8** %q) {
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entry:
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call i8* @llvm.objc.storeWeak(i8** null, i8* %p)
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call i8* @llvm.objc.storeWeak(i8** undef, i8* %p)
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call i8* @llvm.objc.loadWeakRetained(i8** null)
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call i8* @llvm.objc.loadWeakRetained(i8** undef)
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call i8* @llvm.objc.loadWeak(i8** null)
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call i8* @llvm.objc.loadWeak(i8** undef)
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call i8* @llvm.objc.initWeak(i8** null, i8* %p)
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call i8* @llvm.objc.initWeak(i8** undef, i8* %p)
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call void @llvm.objc.destroyWeak(i8** null)
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call void @llvm.objc.destroyWeak(i8** undef)
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call void @llvm.objc.copyWeak(i8** null, i8** %q)
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call void @llvm.objc.copyWeak(i8** undef, i8** %q)
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call void @llvm.objc.copyWeak(i8** %q, i8** null)
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call void @llvm.objc.copyWeak(i8** %q, i8** undef)
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call void @llvm.objc.moveWeak(i8** null, i8** %q)
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call void @llvm.objc.moveWeak(i8** undef, i8** %q)
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call void @llvm.objc.moveWeak(i8** %q, i8** null)
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call void @llvm.objc.moveWeak(i8** %q, i8** undef)
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ret void
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}
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