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// RUN: %target-swift-frontend -module-name objc_retainAutoreleasedReturnValue -import-objc-header %S/Inputs/StaticInline.h %s -emit-ir | %FileCheck %s
// RUN: %target-swift-frontend -module-name objc_retainAutoreleasedReturnValue -O -import-objc-header %S/Inputs/StaticInline.h %s -emit-ir | %FileCheck %s --check-prefix=OPT
// REQUIRES: objc_interop
// REQUIRES: CPU=x86_64
// REQUIRES: OS=macosx
import Foundation
@inline(never)
public func useClosure(_ dict: NSDictionary, _ action : (NSDictionary) -> ()) {
action(dict)
}
@inline(never)
public func test(_ dict: NSDictionary) {
useClosure(dict, { $0.objectEnumerator()} )
}
// Don't tail call objc_retainAutoreleasedReturnValue as this would block the
// autorelease return value optimization.
// callq 0x01ec08 ; symbol stub for: objc_msgSend
// movq %rax, %rdi
// popq %rbp ;<== Blocks the handshake from objc_autoreleaseReturnValue
// jmp 0x01ec20 ; symbol stub for: objc_retainAutoreleasedReturnValue
// CHECK-LABEL: define {{.*}}swiftcc void @"$s34objc_retainAutoreleasedReturnValue4testyySo12NSDictionaryCFyADXEfU_"(ptr %0)
// CHECK: entry:
// CHECK: call {{.*}}@objc_msgSend
// CHECK: notail call ptr @llvm.objc.retainAutoreleasedReturnValue
// CHECK: ret void
// OPT-LABEL: define {{.*}}swiftcc void @"$s34objc_retainAutoreleasedReturnValue10useClosureyySo12NSDictionaryC_yADXEtF09$s34objc_bcd16Value4testyySo12H10CFyADXEfU_Tf1nc_n"(ptr %0)
// OPT: entry:
// OPT: call {{.*}}@objc_msgSend
// OPT: notail call ptr @llvm.objc.retainAutoreleasedReturnValue
// OPT: ret void
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