File: xray-attribute-instrumentation.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (104 lines) | stat: -rw-r--r-- 2,482 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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s

define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK-LABEL: foo:
; CHECK-LABEL: Lxray_sled_0:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp0:
  ret i32 0
; CHECK-LABEL: Lxray_sled_1:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp1:
; CHECK-NEXT:  ret
}

; CHECK-LABEL: xray_instr_map
; CHECK-LABEL: Lxray_sleds_start0
; CHECK:       .xword .Lxray_sled_0
; CHECK:       .xword .Lxray_sled_1
; CHECK-LABEL: Lxray_sleds_end0

define i32 @bar() nounwind noinline uwtable "function-instrument"="xray-never" "function-instrument"="xray-always" {
; CHECK-LABEL: bar:
; CHECK-LABEL: Lxray_sled_2:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp4:
  ret i32 0
; CHECK-LABEL: Lxray_sled_3:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp5:
; CHECK-NEXT:  ret
}

; CHECK-LABEL: xray_instr_map
; CHECK-LABEL: Lxray_sleds_start1
; CHECK:       .xword .Lxray_sled_2
; CHECK:       .xword .Lxray_sled_3
; CHECK-LABEL: Lxray_sleds_end1

define i32 @instrumented() nounwind noinline uwtable "xray-instruction-threshold"="1" {
; CHECK-LABEL: instrumented:
; CHECK-LABEL: Lxray_sled_4:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp8:
  ret i32 0
; CHECK-LABEL: Lxray_sled_5:
; CHECK-NEXT:  b  #32
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-NEXT:  nop
; CHECK-LABEL: Ltmp9:
; CHECK-NEXT:  ret
}

; CHECK-LABEL: xray_instr_map
; CHECK-LABEL: Lxray_sleds_start2
; CHECK:       .xword .Lxray_sled_4
; CHECK:       .xword .Lxray_sled_5
; CHECK-LABEL: Lxray_sleds_end2

define i32 @not_instrumented() nounwind noinline uwtable "xray-instruction-threshold"="1" "function-instrument"="xray-never" {
; CHECK-LABEL: not_instrumented
; CHECK-NOT: .Lxray_sled_6
  ret i32 0
; CHECK:  ret
}