# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
# RUN: llc -run-pass=cfi-fixup %s -o - | FileCheck %s
--- |
  source_filename = "cfi-fixup.ll"
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64-linux"

  define i32 @f(i32 %x) #0 {
  entry:
    %p = alloca i8, i32 30000, align 1
    switch i32 %x, label %if.end7 [
      i32 0, label %return
      i32 1, label %if.then2
      i32 2, label %if.then5
    ]

  if.then2:                                         ; preds = %entry
    %call = tail call i32 @g1(i32 1)
    %add = add nsw i32 %call, 1
    br label %return

  if.then5:                                         ; preds = %entry
    %call6 = tail call i32 @g0(i32 2)
    %sub = sub nsw i32 1, %call6
    br label %return

  if.end7:                                          ; preds = %entry
    br label %return

  return:                                           ; preds = %if.end7, %if.then5, %if.then2, %entry
    %retval.0 = phi i32 [ %add, %if.then2 ], [ %sub, %if.then5 ], [ 0, %if.end7 ], [ 1, %entry ]
    ret i32 %retval.0
  }

  declare i32 @g1(i32)

  declare i32 @g0(i32)

  attributes #0 = { uwtable "probe-stack"="inline-asm" }

...
---
name:            f
alignment:       4
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
callsEHReturn:   false
callsUnwindInit: false
hasEHCatchret:   false
hasEHScopes:     false
hasEHFunclets:   false
isOutlined:      false
debugInstrRef:   false
failsVerification: false
tracksDebugUserValues: true
registers:       []
liveins:
  - { reg: '$w0', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       30016
  offsetAdjustment: 0
  maxAlignment:    8
  adjustsStack:    true
  hasCalls:        true
  stackProtector:  ''
  functionContext: ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  30000
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:
  - { id: 0, name: p, type: default, offset: -30016, size: 30000, alignment: 1,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      local-offset: -30000, debug-info-variable: '', debug-info-expression: '',
      debug-info-location: '' }
  - { id: 1, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 2, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
entry_values:    []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo:
  hasRedZone:      false
body:             |
  ; CHECK-LABEL: name: f
  ; CHECK: bb.0.entry:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT:   liveins: $w0, $lr, $fp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $w30, -8
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION offset $w29, -16
  ; CHECK-NEXT:   $x9 = frame-setup SUBXri $sp, 7, 12
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa $w9, 28688
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1.entry:
  ; CHECK-NEXT:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
  ; CHECK-NEXT:   liveins: $x9
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $sp = frame-setup SUBXri $sp, 1, 12
  ; CHECK-NEXT:   $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
  ; CHECK-NEXT:   frame-setup STRXui $xzr, $sp, 0
  ; CHECK-NEXT:   frame-setup Bcc 1, %bb.1, implicit killed $nzcv
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.entry:
  ; CHECK-NEXT:   successors: %bb.6(0x20000000), %bb.3(0x60000000)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_register $wsp
  ; CHECK-NEXT:   $sp = frame-setup SUBXri $sp, 1328, 0
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 30016
  ; CHECK-NEXT:   CFI_INSTRUCTION remember_state
  ; CHECK-NEXT:   frame-setup STRXui $xzr, $sp, 0
  ; CHECK-NEXT:   CBZW renamable $w0, %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.entry:
  ; CHECK-NEXT:   successors: %bb.7(0x2aaaaaab), %bb.4(0x55555555)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
  ; CHECK-NEXT:   Bcc 0, %bb.7, implicit killed $nzcv
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4.entry:
  ; CHECK-NEXT:   successors: %bb.5(0x40000000), %bb.8(0x40000000)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
  ; CHECK-NEXT:   Bcc 1, %bb.8, implicit killed $nzcv
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5.if.then2:
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   BL @g1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
  ; CHECK-NEXT:   renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 7, 12
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 1328, 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK-NEXT:   early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w30
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w29
  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6:
  ; CHECK-NEXT:   CFI_INSTRUCTION restore_state
  ; CHECK-NEXT:   CFI_INSTRUCTION remember_state
  ; CHECK-NEXT:   renamable $w0 = MOVZWi 1, 0
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 7, 12
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 1328, 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK-NEXT:   early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w30
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w29
  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.7.if.then5:
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   CFI_INSTRUCTION restore_state
  ; CHECK-NEXT:   CFI_INSTRUCTION remember_state
  ; CHECK-NEXT:   BL @g0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
  ; CHECK-NEXT:   renamable $w8 = MOVZWi 1, 0
  ; CHECK-NEXT:   $w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 7, 12
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 1328, 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK-NEXT:   early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w30
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w29
  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.8.if.end7:
  ; CHECK-NEXT:   CFI_INSTRUCTION restore_state
  ; CHECK-NEXT:   $w0 = ORRWrs $wzr, $wzr, 0
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 7, 12
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
  ; CHECK-NEXT:   $sp = frame-destroy ADDXri $sp, 1328, 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK-NEXT:   early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION def_cfa_offset 0
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w30
  ; CHECK-NEXT:   frame-destroy CFI_INSTRUCTION restore $w29
  ; CHECK-NEXT:   RET undef $lr, implicit killed $w0
  bb.0.entry:
    successors: %bb.1(0x80000000)
    liveins: $w0, $lr, $fp

    early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
    frame-setup CFI_INSTRUCTION def_cfa_offset 16
    frame-setup CFI_INSTRUCTION offset $w30, -8
    frame-setup CFI_INSTRUCTION offset $w29, -16
    $x9 = frame-setup SUBXri $sp, 7, 12
    frame-setup CFI_INSTRUCTION def_cfa $w9, 28688

  bb.1.entry:
    successors: %bb.2(0x40000000), %bb.1(0x40000000)
    liveins: $x9

    $sp = frame-setup SUBXri $sp, 1, 12
    $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
    frame-setup STRXui $xzr, $sp, 0
    frame-setup Bcc 1, %bb.1, implicit killed $nzcv

  bb.2.entry:
    successors: %bb.6(0x20000000), %bb.3(0x60000000)
    liveins: $w0

    frame-setup CFI_INSTRUCTION def_cfa_register $wsp
    $sp = frame-setup SUBXri $sp, 1328, 0
    frame-setup CFI_INSTRUCTION def_cfa_offset 30016
    frame-setup STRXui $xzr, $sp, 0
    CBZW renamable $w0, %bb.6

  bb.3.entry:
    successors: %bb.7(0x2aaaaaab), %bb.4(0x55555555)
    liveins: $w0

    dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
    Bcc 0, %bb.7, implicit killed $nzcv

  bb.4.entry:
    successors: %bb.5(0x40000000), %bb.8(0x40000000)
    liveins: $w0

    dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
    Bcc 1, %bb.8, implicit killed $nzcv

  bb.5.if.then2:
    liveins: $w0

    BL @g1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
    renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
    $sp = frame-destroy ADDXri $sp, 7, 12
    frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
    $sp = frame-destroy ADDXri $sp, 1328, 0
    frame-destroy CFI_INSTRUCTION def_cfa_offset 16
    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
    frame-destroy CFI_INSTRUCTION def_cfa_offset 0
    frame-destroy CFI_INSTRUCTION restore $w30
    frame-destroy CFI_INSTRUCTION restore $w29
    RET undef $lr, implicit killed $w0

  bb.6:
    renamable $w0 = MOVZWi 1, 0
    $sp = frame-destroy ADDXri $sp, 7, 12
    frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
    $sp = frame-destroy ADDXri $sp, 1328, 0
    frame-destroy CFI_INSTRUCTION def_cfa_offset 16
    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
    frame-destroy CFI_INSTRUCTION def_cfa_offset 0
    frame-destroy CFI_INSTRUCTION restore $w30
    frame-destroy CFI_INSTRUCTION restore $w29
    RET undef $lr, implicit killed $w0

  bb.7.if.then5:
    liveins: $w0

    BL @g0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
    renamable $w8 = MOVZWi 1, 0
    $w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
    $sp = frame-destroy ADDXri $sp, 7, 12
    frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
    $sp = frame-destroy ADDXri $sp, 1328, 0
    frame-destroy CFI_INSTRUCTION def_cfa_offset 16
    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
    frame-destroy CFI_INSTRUCTION def_cfa_offset 0
    frame-destroy CFI_INSTRUCTION restore $w30
    frame-destroy CFI_INSTRUCTION restore $w29
    RET undef $lr, implicit killed $w0

  bb.8.if.end7:
    $w0 = ORRWrs $wzr, $wzr, 0
    $sp = frame-destroy ADDXri $sp, 7, 12
    frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
    $sp = frame-destroy ADDXri $sp, 1328, 0
    frame-destroy CFI_INSTRUCTION def_cfa_offset 16
    early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
    frame-destroy CFI_INSTRUCTION def_cfa_offset 0
    frame-destroy CFI_INSTRUCTION restore $w30
    frame-destroy CFI_INSTRUCTION restore $w29
    RET undef $lr, implicit killed $w0

...