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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=aarch64-pc-windows-msvc %s -o - -global-isel -global-isel-abort=0 | FileCheck %s
; Make sure we correctly fall back to SelectionDAG isel for unsupported stack protectors.
define void @caller() sspreq {
; CHECK-LABEL: caller:
; CHECK: .seh_proc caller
; CHECK-NEXT: // %bb.0: // %entry
; CHECK-NEXT: sub sp, sp, #32
; CHECK-NEXT: .seh_stackalloc 32
; CHECK-NEXT: str x30, [sp, #16] // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __security_cookie
; CHECK-NEXT: add x0, sp, #4
; CHECK-NEXT: ldr x8, [x8, :lo12:__security_cookie]
; CHECK-NEXT: str x8, [sp, #8]
; CHECK-NEXT: bl callee
; CHECK-NEXT: ldr x0, [sp, #8]
; CHECK-NEXT: bl __security_check_cookie
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp, #16] // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg x30, 16
; CHECK-NEXT: add sp, sp, #32
; CHECK-NEXT: .seh_stackalloc 32
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
entry:
%x = alloca i32, align 4
call void @callee(ptr nonnull %x)
ret void
}
declare void @callee(ptr)
|
