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47 lines
1.5 KiB
LLVM
47 lines
1.5 KiB
LLVM
; RUN: opt -S -basicaa -objc-arc < %s | FileCheck %s
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; rdar://11434915
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; Delete the weak calls and replace them with just the net retain.
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; CHECK: define void @test0(i8* %p) {
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; CHECK-NEXT: call i8* @objc_retain(i8* %p)
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; CHECK-NEXT: ret void
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define void @test0(i8* %p) {
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%weakBlock = alloca i8*, align 8
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%tmp7 = call i8* @objc_initWeak(i8** %weakBlock, i8* %p) nounwind
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%tmp26 = call i8* @objc_loadWeakRetained(i8** %weakBlock) nounwind
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call void @objc_destroyWeak(i8** %weakBlock) nounwind
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ret void
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}
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; CHECK: define i8* @test1(i8* %p) {
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; CHECK-NEXT: call i8* @objc_retain(i8* %p)
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; CHECK-NEXT: ret i8* %p
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define i8* @test1(i8* %p) {
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%weakBlock = alloca i8*, align 8
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%tmp7 = call i8* @objc_initWeak(i8** %weakBlock, i8* %p) nounwind
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%tmp26 = call i8* @objc_loadWeakRetained(i8** %weakBlock) nounwind
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call void @objc_destroyWeak(i8** %weakBlock) nounwind
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ret i8* %tmp26
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}
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; CHECK: define i8* @test2(i8* %p, i8* %q) {
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; CHECK-NEXT: call i8* @objc_retain(i8* %q)
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; CHECK-NEXT: ret i8* %q
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define i8* @test2(i8* %p, i8* %q) {
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%weakBlock = alloca i8*, align 8
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%tmp7 = call i8* @objc_initWeak(i8** %weakBlock, i8* %p) nounwind
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%tmp19 = call i8* @objc_storeWeak(i8** %weakBlock, i8* %q) nounwind
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%tmp26 = call i8* @objc_loadWeakRetained(i8** %weakBlock) nounwind
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call void @objc_destroyWeak(i8** %weakBlock) nounwind
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ret i8* %tmp26
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}
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declare i8* @objc_initWeak(i8**, i8*)
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declare void @objc_destroyWeak(i8**)
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declare i8* @objc_loadWeakRetained(i8**)
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declare i8* @objc_storeWeak(i8** %weakBlock, i8* %q)
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