49 lines
1.4 KiB
LLVM
49 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=x86_64 %s -o - | FileCheck --check-prefixes=CHECK %s
|
|
|
|
;; -fpatchable-function-entry=0 -fcf-protection=branch
|
|
define void @f0() "patchable-function-entry"="0" "branch-target-enforcement" {
|
|
; CHECK-LABEL: f0:
|
|
; CHECK-NEXT: .Lfunc_begin0:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: endbr64
|
|
; CHECK-NEXT: retq
|
|
; CHECK-NOT: .section __patchable_function_entries
|
|
ret void
|
|
}
|
|
|
|
;; -fpatchable-function-entry=1 -fcf-protection=branch
|
|
define void @f1() "patchable-function-entry"="1" {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-NEXT: .Lfunc_begin1:
|
|
; CHECK: endbr64
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: retq
|
|
; CHECK: .section __patchable_function_entries,"awo",@progbits,f1,unique,0
|
|
; CHECK-NEXT: .p2align 3
|
|
; CHECK-NEXT: .quad .Lfunc_begin1
|
|
ret void
|
|
}
|
|
|
|
;; -fpatchable-function-entry=2,1 -fcf-protection=branch
|
|
define void @f2_1() "patchable-function-entry"="1" "patchable-function-prefix"="1" {
|
|
; CHECK-LABEL: .type f2_1,@function
|
|
; CHECK-NEXT: .Ltmp0:
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: f2_1:
|
|
; CHECK-NEXT: .Lfunc_begin2:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: endbr64
|
|
; CHECK-NEXT: nop
|
|
; CHECK-NEXT: retq
|
|
; CHECK: .Lfunc_end2:
|
|
; CHECK-NEXT: .size f2_1, .Lfunc_end2-f2_1
|
|
; CHECK: .section __patchable_function_entries,"awo",@progbits,f1,unique,0
|
|
; CHECK-NEXT: .p2align 3
|
|
; CHECK-NEXT: .quad .Ltmp0
|
|
ret void
|
|
}
|
|
|
|
!llvm.module.flags = !{!0}
|
|
|
|
!0 = !{i32 4, !"cf-protection-branch", i32 1}
|