blob: ad69ccdd794d6c53dee18f2ce31866dc61aa5cf0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
; 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
}
|
