xref: /llvm-project/llvm/test/CodeGen/ARM/func-sanitizer.ll (revision afd20587f9952654a9a9ec427052220b5e3a6982)
1; RUN: llc -mtriple=thumbv6m-none-eabi < %s | FileCheck %s
2
3; CHECK-LABEL: .globl nosan
4; CHECK-NEXT:  .p2align 1
5; CHECK-NEXT:  .type nosan,%function
6; CHECK-NEXT:  .code 16
7; CHECK-NEXT:  .thumb_func
8; CHECK-NEXT:  nosan:
9define dso_local void @nosan() nounwind {
10  ret void
11}
12
13;; The alignment is at least 4 to avoid unaligned type hash loads when this
14;; instrumented function is indirectly called.
15; CHECK-LABEL: .globl foo
16; CHECK-NEXT:  .p2align 2
17; CHECK-NEXT:  .type foo,%function
18; CHECK-NEXT:  .long 3238382334
19; CHECK-NEXT:  .long 3170468932
20; CHECK-NEXT:  .code 16
21; CHECK-NEXT:  .thumb_func
22; CHECK-NEXT:  foo:
23define dso_local void @foo() nounwind !func_sanitize !0 {
24  ret void
25}
26
27;; If "align" is smaller than 4 (required alignment from !func_sanitize), use 4.
28; CHECK-LABEL: .globl align2
29; CHECK-NEXT:  .p2align 2
30define dso_local void @align2() nounwind align 2 !func_sanitize !0 {
31  ret void
32}
33
34;; If "align" is larger than 4, use its value.
35; CHECK-LABEL: .globl align8
36; CHECK-NEXT:  .p2align 3
37define dso_local void @align8() nounwind align 8 !func_sanitize !0 {
38  ret void
39}
40
41!0 = !{i32 -1056584962, i32 -1124498364}
42