forked from OSchip/llvm-project
24 lines
897 B
LLVM
24 lines
897 B
LLVM
; 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 8 from @__stack_chk_guard)
|
|
; CHECK: G_STORE [[GUARD]](p0), [[GUARD_SLOT]](p0) :: (volatile store 8 into %stack.0.StackGuardSlot)
|
|
declare void @llvm.stackprotector(i8*, i8**)
|
|
define void @test_stack_guard_remat2() {
|
|
%StackGuardSlot = alloca i8*
|
|
call void @llvm.stackprotector(i8* undef, i8** %StackGuardSlot)
|
|
ret void
|
|
}
|
|
|
|
@__stack_chk_guard = external global i64*
|