derek.holloway
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47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; RUN: opt -S -passes=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(ptr %p) {
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; CHECK-NEXT: call ptr @llvm.objc.retain(ptr %p)
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; CHECK-NEXT: ret void
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define void @test0(ptr %p) {
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%weakBlock = alloca ptr, align 8
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%tmp7 = call ptr @llvm.objc.initWeak(ptr %weakBlock, ptr %p) nounwind
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%tmp26 = call ptr @llvm.objc.loadWeakRetained(ptr %weakBlock) nounwind
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call void @llvm.objc.destroyWeak(ptr %weakBlock) nounwind
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ret void
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}
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; CHECK: define ptr @test1(ptr %p) {
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; CHECK-NEXT: call ptr @llvm.objc.retain(ptr %p)
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; CHECK-NEXT: ret ptr %p
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define ptr @test1(ptr %p) {
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%weakBlock = alloca ptr, align 8
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%tmp7 = call ptr @llvm.objc.initWeak(ptr %weakBlock, ptr %p) nounwind
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%tmp26 = call ptr @llvm.objc.loadWeakRetained(ptr %weakBlock) nounwind
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call void @llvm.objc.destroyWeak(ptr %weakBlock) nounwind
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ret ptr %tmp26
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}
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; CHECK: define ptr @test2(ptr %p, ptr %q) {
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; CHECK-NEXT: call ptr @llvm.objc.retain(ptr %q)
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; CHECK-NEXT: ret ptr %q
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define ptr @test2(ptr %p, ptr %q) {
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%weakBlock = alloca ptr, align 8
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%tmp7 = call ptr @llvm.objc.initWeak(ptr %weakBlock, ptr %p) nounwind
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%tmp19 = call ptr @llvm.objc.storeWeak(ptr %weakBlock, ptr %q) nounwind
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%tmp26 = call ptr @llvm.objc.loadWeakRetained(ptr %weakBlock) nounwind
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call void @llvm.objc.destroyWeak(ptr %weakBlock) nounwind
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ret ptr %tmp26
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}
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declare ptr @llvm.objc.initWeak(ptr, ptr)
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declare void @llvm.objc.destroyWeak(ptr)
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declare ptr @llvm.objc.loadWeakRetained(ptr)
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declare ptr @llvm.objc.storeWeak(ptr %weakBlock, ptr %q)
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