49 lines
1.2 KiB
LLVM
49 lines
1.2 KiB
LLVM
|
; RUN: opt -S -objc-arc < %s | FileCheck %s
|
||
|
|
|
||
|
|
declare void @use_pointer(i8*)
|
||
|
|
declare i8* @returner()
|
||
|
|
declare i8* @objc_retain(i8*)
|
||
|
|
declare i8* @objc_autoreleaseReturnValue(i8*)
|
||
|
|
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
|
||
|
|
|
||
|
|
; Clean up residue left behind after inlining.
|
||
|
|
|
||
|
|
; CHECK: define void @test0(
|
||
|
|
; CHECK: entry:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK-NEXT: }
|
||
|
|
define void @test0(i8* %call.i) {
|
||
|
|
entry:
|
||
|
|
%0 = tail call i8* @objc_retain(i8* %call.i) nounwind
|
||
|
|
%1 = tail call i8* @objc_autoreleaseReturnValue(i8* %0) nounwind
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Same as test0, but with slightly different use arrangements.
|
||
|
|
|
||
|
|
; CHECK: define void @test1(
|
||
|
|
; CHECK: entry:
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK-NEXT: }
|
||
|
|
define void @test1(i8* %call.i) {
|
||
|
|
entry:
|
||
|
|
%0 = tail call i8* @objc_retain(i8* %call.i) nounwind
|
||
|
|
%1 = tail call i8* @objc_autoreleaseReturnValue(i8* %call.i) nounwind
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Delete a retainRV+autoreleaseRV even if the pointer is used.
|
||
|
|
|
||
|
|
; CHECK: define void @test24(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: call void @use_pointer(i8* %p)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
; CHECK-NEXT: }
|
||
|
|
define void @test24(i8* %p) {
|
||
|
|
entry:
|
||
|
|
call i8* @objc_autoreleaseReturnValue(i8* %p) nounwind
|
||
|
|
call i8* @objc_retainAutoreleasedReturnValue(i8* %p) nounwind
|
||
|
|
call void @use_pointer(i8* %p)
|
||
|
|
ret void
|
||
|
|
}
|