llvm-for-llvmta/test/Transforms/ObjCARC/opt-max-ptr-states.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -objc-arc -S < %s | FileCheck -check-prefix=ENABLE -check-prefix=CHECK %s
; RUN: opt -objc-arc -arc-opt-max-ptr-states=1 -S < %s | FileCheck -check-prefix=DISABLE -check-prefix=CHECK %s
@g0 = common global i8* null, align 8
; CHECK: call i8* @llvm.objc.retain
; ENABLE-NOT: call i8* @llvm.objc.retain
; DISABLE: call i8* @llvm.objc.retain
; CHECK: call void @llvm.objc.release
; ENABLE-NOT: call void @llvm.objc.release
; DISABLE: call void @llvm.objc.release
define void @foo0(i8* %a) {
%1 = tail call i8* @llvm.objc.retain(i8* %a)
%2 = tail call i8* @llvm.objc.retain(i8* %a)
%3 = load i8*, i8** @g0, align 8
store i8* %a, i8** @g0, align 8
tail call void @llvm.objc.release(i8* %3)
tail call void @llvm.objc.release(i8* %a), !clang.imprecise_release !0
ret void
}
declare i8* @llvm.objc.retain(i8*)
declare void @llvm.objc.release(i8*)
!0 = !{}