| ; 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* |
