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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple aarch64 %s -o - | \
; RUN: FileCheck %s --check-prefixes CHECK,V8A
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple aarch64 -mattr=+v8.3a %s -o - | \
; RUN: FileCheck %s --check-prefixes CHECK,V83A
define void @a() "sign-return-address"="all" {
; CHECK-LABEL: a: // @a
; V8A: hint #25
; V83A: paciasp
; CHECK: .cfi_negate_ra_state
; CHECK-NEXT: .cfi_def_cfa_offset
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; V8A: hint #29
; V83A: retaa
ret void
; CHECK: .cfi_endproc
}
define void @b() "sign-return-address"="non-leaf" {
; CHECK-LABEL: b: // @b
; V8A-NOT: hint #25
; V83A-NOT: paciasp
; CHECK-NOT: .cfi_negate_ra_state
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; V8A-NOT: hint #29
; V83A-NOT: autiasp
; V83A-NOT: retaa
ret void
; CHECK: .cfi_endproc
}
define void @c() "sign-return-address"="all" {
; CHECK-LABEL: c: // @c
; V8A: hint #25
; V83A: paciasp
; CHECK: .cfi_negate_ra_state
; CHECK-NEXT: .cfi_def_cfa_offset
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; V8A: hint #29
; V83A: retaa
ret void
; CHECK: .cfi_endproc
}
; CHECK-NOT: OUTLINED_FUNCTION_{{[0-9]+}}:
; CHECK-NOT: // -- Begin function
|
