File: irtranslator-delayed-stack-protector.ll

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llvm-toolchain-15 1%3A15.0.6-4
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; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=aarch64-apple-ios %s -stop-after=irtranslator -o - -global-isel | FileCheck %s

define void @caller() sspreq {
  ; CHECK-LABEL: name: caller
  ; CHECK: bb.1.entry:
  ; CHECK-NEXT:   successors: %bb.2(0x7ffff800), %bb.3(0x00000800)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot
  ; CHECK-NEXT:   [[LOAD_STACK_GUARD:%[0-9]+]]:gpr64sp(p0) = LOAD_STACK_GUARD :: (dereferenceable invariant load (p0) from @__stack_chk_guard)
  ; CHECK-NEXT:   [[LOAD_STACK_GUARD1:%[0-9]+]]:gpr64sp(p0) = LOAD_STACK_GUARD :: (dereferenceable invariant load (p0) from @__stack_chk_guard)
  ; CHECK-NEXT:   G_STORE [[LOAD_STACK_GUARD1]](p0), [[FRAME_INDEX]](p0) :: (volatile store (p0) into %stack.0.StackGuardSlot)
  ; CHECK-NEXT:   [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.x
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
  ; CHECK-NEXT:   $x0 = COPY [[FRAME_INDEX1]](p0)
  ; CHECK-NEXT:   BL @callee, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
  ; CHECK-NEXT:   [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot
  ; CHECK-NEXT:   [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX2]](p0) :: (volatile load (s64) from %stack.0.StackGuardSlot)
  ; CHECK-NEXT:   [[LOAD_STACK_GUARD2:%[0-9]+]]:gpr64sp(s64) = LOAD_STACK_GUARD :: (dereferenceable invariant load (p0) from @__stack_chk_guard)
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD_STACK_GUARD2]](s64), [[LOAD]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.entry:
  ; CHECK-NEXT:   successors:
  ; CHECK:        ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
  ; CHECK-NEXT:   BL &__stack_chk_fail, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.entry:
  ; CHECK-NEXT:   RET_ReallyLR
entry:
  %x = alloca i32, align 4
  %0 = bitcast i32* %x to i8*
  call void @callee(i32* nonnull %x)
  ret void
}

declare void @callee(i32*)