File: machine-outliner-retaddr-sign-thunk.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (76 lines) | stat: -rw-r--r-- 2,534 bytes parent folder | download | duplicates (6)
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
; RUN: llc -mtriple aarch64-arm-linux-gnu --enable-machine-outliner \
; RUN: -verify-machineinstrs %s -o - | FileCheck --check-prefixes CHECK,V8A %s
; RUN-V83A: llc -mtriple aarch64-arm-none-eabi -enable-machine-outliner \
; RUN-V83A: -verify-machineinstrs -mattr=+v8.3a %s -o - > %t
; RUN-V83A: FileCheck --check-prefixes CHECK,V83A < %t %s

declare i32 @thunk_called_fn(i32, i32, i32, i32)

define i32 @a() #0 {
; CHECK-LABEL:  a:                                      // @a
; CHECK:        // %bb.0:                               // %entry
; V8A-NEXT:         hint #25
; V83A-NEXT:        paciasp
; V8A:              hint #29
; V83A:             autiasp
; CHECK-NEXT:       ret
entry:
  %call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
  %cx = add i32 %call, 8
  ret i32 %cx
}

define i32 @b() #0 {
; CHECK-LABEL:  b:                                      // @b
; CHECK:        // %bb.0:                               // %entry
; V8A-NEXT:         hint #25
; V83A-NEXT:        paciasp
; CHECK-NEXT:       .cfi_negate_ra_state
; V8A:              hint #29
; V83A:             autiasp
; CHECK-NEXT:       ret
entry:
  %call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
  %cx = add i32 %call, 88
  ret i32 %cx
}

define hidden i32 @c(i32 (i32, i32, i32, i32)* %fptr) #0 {
; CHECK-LABEL:  c:                                      // @c
; CHECK:        // %bb.0:                               // %entry
; V8A-NEXT:         hint #25
; V83A-NEXT:        paciasp
; CHECK-NEXT:       .cfi_negate_ra_state
; V8A:              hint #29
; V83A:             autiasp
; CHECK-NEXT:       ret
entry:
  %call = tail call i32 %fptr(i32 1, i32 2, i32 3, i32 4)
  %add = add nsw i32 %call, 8
  ret i32 %add
}

define hidden i32 @d(i32 (i32, i32, i32, i32)* %fptr) #0 {
; CHECK-LABEL:  d:                                      // @d
; CHECK:        // %bb.0:                               // %entry
; V8A-NEXT:         hint #25
; V83A-NEXT:        paciasp
; CHECK-NEXT:       .cfi_negate_ra_state
; V8A:              hint #29
; V83A:             autiasp
; CHECK-NEXT:       ret
entry:
  %call = tail call i32 %fptr(i32 1, i32 2, i32 3, i32 4)
  %add = add nsw i32 %call, 88
  ret i32 %add
}

attributes #0 = { "sign-return-address"="non-leaf" }

; CHECK-NOT:        OUTLINED_FUNCTION_{{.*}}
; CHECK-NOT:         .cfi_b_key_frame
; CHECK-NOT:         paci{{[a,b]}}sp
; CHECK-NOT:         hint #2{{[5,7]}}
; CHECK-NOT:         .cfi_negate_ra_state
; CHECK-NOT:         auti{{[a,b]}}sp
; CHECK-NOT:         hint #{{[29,31]}}