File: func-sanitizer.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (41 lines) | stat: -rw-r--r-- 1,142 bytes parent folder | download | duplicates (12)
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
; RUN: llc -mtriple=thumbv6m-none-eabi < %s | FileCheck %s

; CHECK-LABEL: .globl nosan
; CHECK-NEXT:  .p2align 1
; CHECK-NEXT:  .type nosan,%function
; CHECK-NEXT:  .code 16
; CHECK-NEXT:  .thumb_func
; CHECK-NEXT:  nosan:
define dso_local void @nosan() nounwind {
  ret void
}

;; The alignment is at least 4 to avoid unaligned type hash loads when this
;; instrumented function is indirectly called.
; CHECK-LABEL: .globl foo
; CHECK-NEXT:  .p2align 2
; CHECK-NEXT:  .type foo,%function
; CHECK-NEXT:  .long 3238382334
; CHECK-NEXT:  .long 3170468932
; CHECK-NEXT:  .code 16
; CHECK-NEXT:  .thumb_func
; CHECK-NEXT:  foo:
define dso_local void @foo() nounwind !func_sanitize !0 {
  ret void
}

;; If "align" is smaller than 4 (required alignment from !func_sanitize), use 4.
; CHECK-LABEL: .globl align2
; CHECK-NEXT:  .p2align 2
define dso_local void @align2() nounwind align 2 !func_sanitize !0 {
  ret void
}

;; If "align" is larger than 4, use its value.
; CHECK-LABEL: .globl align8
; CHECK-NEXT:  .p2align 3
define dso_local void @align8() nounwind align 8 !func_sanitize !0 {
  ret void
}

!0 = !{i32 -1056584962, i32 -1124498364}