File: arm64-irtranslator-stackprotect.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (23 lines) | stat: -rw-r--r-- 900 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
; RUN: llc -verify-machineinstrs -mtriple=aarch64-apple-ios %s -stop-after=irtranslator -o - -global-isel | FileCheck %s


; CHECK: name: test_stack_guard

; CHECK: frameInfo:
; CHECK: stackProtector:  '%stack.0.StackGuardSlot'

; CHECK: stack:
; CHECK:  - { id: 0, name: StackGuardSlot,  type: default, offset: 0, size: 8, alignment: 8,
; CHECK-NOT: id: 1

; CHECK: [[GUARD_SLOT:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot
; CHECK: [[GUARD:%[0-9]+]]:gpr64sp(p0) = LOAD_STACK_GUARD :: (dereferenceable invariant load (p0) from @__stack_chk_guard)
; CHECK: G_STORE [[GUARD]](p0), [[GUARD_SLOT]](p0) :: (volatile store (p0) into %stack.0.StackGuardSlot)
declare void @llvm.stackprotector(ptr, ptr)
define void @test_stack_guard_remat2() {
  %StackGuardSlot = alloca ptr
  call void @llvm.stackprotector(ptr undef, ptr %StackGuardSlot)
  ret void
}

@__stack_chk_guard = external global ptr