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24 lines
816 B
LLVM
24 lines
816 B
LLVM
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; RUN: opt -S -objc-arc-contract < %s | FileCheck %s
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; CHECK: %call = tail call i32* @qux()
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; CHECK-NEXT: %tcall = bitcast i32* %call to i8*
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; CHECK-NEXT: call void asm sideeffect "mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue", ""()
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; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind
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define void @foo() {
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entry:
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%call = tail call i32* @qux()
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%tcall = bitcast i32* %call to i8*
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%0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind
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tail call void @bar(i8* %0)
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ret void
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}
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declare i32* @qux()
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declare i8* @objc_retainAutoreleasedReturnValue(i8*)
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declare void @bar(i8*)
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!clang.arc.retainAutoreleasedReturnValueMarker = !{!0}
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!0 = metadata !{metadata !"mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue"}
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