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llvm-mirror/test/Transforms/ObjCARC/weak.ll
2011-06-15 23:37:01 +00:00

58 lines
1.9 KiB
LLVM

; RUN: opt -objc-arc -S < %s | FileCheck %s
declare i8* @objc_initWeak(i8**, i8*)
declare i8* @objc_storeWeak(i8**, i8*)
declare i8* @objc_loadWeak(i8**)
declare void @objc_destroyWeak(i8**)
declare i8* @objc_loadWeakRetained(i8**)
declare void @objc_moveWeak(i8**, i8**)
declare void @objc_copyWeak(i8**, i8**)
; If the pointer-to-weak-pointer is null, it's undefined behavior.
; CHECK: define void @test0(
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: store i8* undef, i8** null
; CHECK: ret void
define void @test0(i8* %p, i8** %q) {
entry:
call i8* @objc_storeWeak(i8** null, i8* %p)
call i8* @objc_storeWeak(i8** undef, i8* %p)
call i8* @objc_loadWeakRetained(i8** null)
call i8* @objc_loadWeakRetained(i8** undef)
call i8* @objc_loadWeak(i8** null)
call i8* @objc_loadWeak(i8** undef)
call i8* @objc_initWeak(i8** null, i8* %p)
call i8* @objc_initWeak(i8** undef, i8* %p)
call void @objc_destroyWeak(i8** null)
call void @objc_destroyWeak(i8** undef)
call void @objc_copyWeak(i8** null, i8** %q)
call void @objc_copyWeak(i8** undef, i8** %q)
call void @objc_copyWeak(i8** %q, i8** null)
call void @objc_copyWeak(i8** %q, i8** undef)
call void @objc_moveWeak(i8** null, i8** %q)
call void @objc_moveWeak(i8** undef, i8** %q)
call void @objc_moveWeak(i8** %q, i8** null)
call void @objc_moveWeak(i8** %q, i8** undef)
ret void
}