File: ret-addr.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 (74 lines) | stat: -rw-r--r-- 2,104 bytes parent folder | download | duplicates (13)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -frame-pointer=all -mtriple=i686-- | FileCheck %s --check-prefix=i686
; RUN: llc < %s -frame-pointer=all -mtriple=x86_64-- | FileCheck %s --check-prefix=x86_64

define ptr @h() nounwind readnone optsize {
; i686-LABEL: h:
; i686:       # %bb.0: # %entry
; i686-NEXT:    pushl %ebp
; i686-NEXT:    movl %esp, %ebp
; i686-NEXT:    movl (%ebp), %eax
; i686-NEXT:    movl (%eax), %eax
; i686-NEXT:    movl 4(%eax), %eax
; i686-NEXT:    popl %ebp
; i686-NEXT:    retl
;
; x86_64-LABEL: h:
; x86_64:       # %bb.0: # %entry
; x86_64-NEXT:    pushq %rbp
; x86_64-NEXT:    movq %rsp, %rbp
; x86_64-NEXT:    movq (%rbp), %rax
; x86_64-NEXT:    movq (%rax), %rax
; x86_64-NEXT:    movq 8(%rax), %rax
; x86_64-NEXT:    popq %rbp
; x86_64-NEXT:    retq
entry:
	%0 = tail call ptr @llvm.returnaddress(i32 2)		; <ptr> [#uses=1]
	ret ptr %0
}

declare ptr @llvm.returnaddress(i32) nounwind readnone

define ptr @g() nounwind readnone optsize {
; i686-LABEL: g:
; i686:       # %bb.0: # %entry
; i686-NEXT:    pushl %ebp
; i686-NEXT:    movl %esp, %ebp
; i686-NEXT:    movl (%ebp), %eax
; i686-NEXT:    movl 4(%eax), %eax
; i686-NEXT:    popl %ebp
; i686-NEXT:    retl
;
; x86_64-LABEL: g:
; x86_64:       # %bb.0: # %entry
; x86_64-NEXT:    pushq %rbp
; x86_64-NEXT:    movq %rsp, %rbp
; x86_64-NEXT:    movq (%rbp), %rax
; x86_64-NEXT:    movq 8(%rax), %rax
; x86_64-NEXT:    popq %rbp
; x86_64-NEXT:    retq
entry:
	%0 = tail call ptr @llvm.returnaddress(i32 1)		; <ptr> [#uses=1]
	ret ptr %0
}

define ptr @f() nounwind readnone optsize {
; i686-LABEL: f:
; i686:       # %bb.0: # %entry
; i686-NEXT:    pushl %ebp
; i686-NEXT:    movl %esp, %ebp
; i686-NEXT:    movl 4(%ebp), %eax
; i686-NEXT:    popl %ebp
; i686-NEXT:    retl
;
; x86_64-LABEL: f:
; x86_64:       # %bb.0: # %entry
; x86_64-NEXT:    pushq %rbp
; x86_64-NEXT:    movq %rsp, %rbp
; x86_64-NEXT:    movq 8(%rbp), %rax
; x86_64-NEXT:    popq %rbp
; x86_64-NEXT:    retq
entry:
	%0 = tail call ptr @llvm.returnaddress(i32 0)		; <ptr> [#uses=1]
	ret ptr %0
}