1; RUN: llc -mtriple=x86_64 %s -o - | FileCheck --check-prefixes=CHECK %s
2
3;; -fpatchable-function-entry=0 -fcf-protection=branch
4define void @f0() "patchable-function-entry"="0" "branch-target-enforcement" {
5; CHECK-LABEL: f0:
6; CHECK-NEXT: .Lfunc_begin0:
7; CHECK:      # %bb.0:
8; CHECK-NEXT:  endbr64
9; CHECK-NEXT:  retq
10; CHECK-NOT:  .section __patchable_function_entries
11  ret void
12}
13
14;; -fpatchable-function-entry=1 -fcf-protection=branch
15define void @f1() "patchable-function-entry"="1" {
16; CHECK-LABEL: f1:
17; CHECK-NEXT: .Lfunc_begin1:
18; CHECK:       endbr64
19; CHECK-NEXT:  nop
20; CHECK-NEXT:  retq
21; CHECK:      .section __patchable_function_entries,"awo",@progbits,f1,unique,0
22; CHECK-NEXT: .p2align 3
23; CHECK-NEXT: .quad .Lfunc_begin1
24  ret void
25}
26
27;; -fpatchable-function-entry=2,1 -fcf-protection=branch
28define void @f2_1() "patchable-function-entry"="1" "patchable-function-prefix"="1" {
29; CHECK-LABEL: .type f2_1,@function
30; CHECK-NEXT: .Ltmp0:
31; CHECK-NEXT:  nop
32; CHECK-NEXT: f2_1:
33; CHECK-NEXT: .Lfunc_begin2:
34; CHECK:      # %bb.0:
35; CHECK-NEXT:  endbr64
36; CHECK-NEXT:  nop
37; CHECK-NEXT:  retq
38; CHECK:      .Lfunc_end2:
39; CHECK-NEXT: .size f2_1, .Lfunc_end2-f2_1
40; CHECK:      .section __patchable_function_entries,"awo",@progbits,f1,unique,0
41; CHECK-NEXT: .p2align 3
42; CHECK-NEXT: .quad .Ltmp0
43  ret void
44}
45
46!llvm.module.flags = !{!0}
47
48!0 = !{i32 4, !"cf-protection-branch", i32 1}
49