# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=regallocfast,prologepilog -simplify-mir -o - %s | FileCheck %s

# This test checks that the MIRParser correctly clobbers the registers
# that are not preserved by the unwinder (when the MIR contains an EH pad).
--- |
  ; ModuleID = '<stdin>'
  source_filename = "<stdin>"
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64-unknown-linux-gnu"

  define aarch64_vector_pcs <4 x i32> @invoke_callee_may_throw_neon(<4 x i32> %v) personality i8 0 {
    %result = invoke aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32> %v)
            to label %.Lcontinue unwind label %.Lunwind

  .Lcontinue:                                       ; preds = %0
    ret <4 x i32> %result

  .Lunwind:                                         ; preds = %0
    %lp = landingpad { i8*, i32 }
            cleanup
    ret <4 x i32> %v
  }

  declare aarch64_vector_pcs <4 x i32> @may_throw_neon(<4 x i32>)

...
---
name:            invoke_callee_may_throw_neon
alignment:       4
legalized:       true
regBankSelected: true
selected:        true
tracksRegLiveness: true
registers:
  - { id: 0, class: fpr128 }
  - { id: 1, class: fpr128 }
  - { id: 2, class: _ }
  - { id: 3, class: _ }
  - { id: 4, class: _ }
  - { id: 5, class: _ }
liveins:
  - { reg: '$q0' }
frameInfo:
  maxAlignment:    1
  adjustsStack:    true
  hasCalls:        true
  maxCallFrameSize: 0
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: invoke_callee_may_throw_neon
  ; CHECK: bb.0 (%ir-block.0):
  ; CHECK:   successors: %bb.1, %bb.2
  ; CHECK:   liveins: $q0, $q22, $q23, $q20, $q21, $q18, $q19, $q16, $q17, $q14, $q15, $q12, $q13, $q10, $q11, $q8, $q9, $lr, $fp
  ; CHECK:   $sp = frame-setup SUBXri $sp, 304, 0
  ; CHECK:   frame-setup STPQi killed $q23, killed $q22, $sp, 2 :: (store 16 into %stack.19), (store 16 into %stack.18)
  ; CHECK:   frame-setup STPQi killed $q21, killed $q20, $sp, 4 :: (store 16 into %stack.17), (store 16 into %stack.16)
  ; CHECK:   frame-setup STPQi killed $q19, killed $q18, $sp, 6 :: (store 16 into %stack.15), (store 16 into %stack.14)
  ; CHECK:   frame-setup STPQi killed $q17, killed $q16, $sp, 8 :: (store 16 into %stack.13), (store 16 into %stack.12)
  ; CHECK:   frame-setup STPQi killed $q15, killed $q14, $sp, 10 :: (store 16 into %stack.11), (store 16 into %stack.10)
  ; CHECK:   frame-setup STPQi killed $q13, killed $q12, $sp, 12 :: (store 16 into %stack.9), (store 16 into %stack.8)
  ; CHECK:   frame-setup STPQi killed $q11, killed $q10, $sp, 14 :: (store 16 into %stack.7), (store 16 into %stack.6)
  ; CHECK:   frame-setup STPQi killed $q9, killed $q8, $sp, 16 :: (store 16 into %stack.5), (store 16 into %stack.4)
  ; CHECK:   frame-setup STPXi killed $fp, killed $lr, $sp, 36 :: (store 8 into %stack.3), (store 8 into %stack.2)
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 304
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $w30, -8
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $w29, -16
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b8, -32
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b9, -48
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b10, -64
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b11, -80
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b12, -96
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b13, -112
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b14, -128
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b15, -144
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b16, -160
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b17, -176
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b18, -192
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b19, -208
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b20, -224
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b21, -240
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b22, -256
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $b23, -272
  ; CHECK:   STRQui $q0, $sp, 0 :: (store 16 into %stack.1)
  ; CHECK:   EH_LABEL <mcsymbol .Ltmp0>
  ; CHECK:   BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def dead $lr, implicit $sp, implicit killed $q0, implicit-def $q0
  ; CHECK:   STRQui killed $q0, $sp, 1 :: (store 16 into %stack.0)
  ; CHECK:   EH_LABEL <mcsymbol .Ltmp1>
  ; CHECK:   B %bb.1
  ; CHECK: bb.1..Lcontinue:
  ; CHECK:   $q0 = LDRQui $sp, 1 :: (load 16 from %stack.0)
  ; CHECK:   $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load 8 from %stack.3), (load 8 from %stack.2)
  ; CHECK:   $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load 16 from %stack.5), (load 16 from %stack.4)
  ; CHECK:   $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load 16 from %stack.7), (load 16 from %stack.6)
  ; CHECK:   $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load 16 from %stack.9), (load 16 from %stack.8)
  ; CHECK:   $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load 16 from %stack.11), (load 16 from %stack.10)
  ; CHECK:   $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load 16 from %stack.13), (load 16 from %stack.12)
  ; CHECK:   $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load 16 from %stack.15), (load 16 from %stack.14)
  ; CHECK:   $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load 16 from %stack.17), (load 16 from %stack.16)
  ; CHECK:   $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load 16 from %stack.19), (load 16 from %stack.18)
  ; CHECK:   $sp = frame-destroy ADDXri $sp, 304, 0
  ; CHECK:   RET_ReallyLR implicit killed $q0
  ; CHECK: bb.2..Lunwind (landing-pad):
  ; CHECK:   liveins: $x0, $x1
  ; CHECK:   EH_LABEL <mcsymbol .Ltmp2>
  ; CHECK:   $q0 = LDRQui $sp, 0 :: (load 16 from %stack.1)
  ; CHECK:   $fp, $lr = frame-destroy LDPXi $sp, 36 :: (load 8 from %stack.3), (load 8 from %stack.2)
  ; CHECK:   $q9, $q8 = frame-destroy LDPQi $sp, 16 :: (load 16 from %stack.5), (load 16 from %stack.4)
  ; CHECK:   $q11, $q10 = frame-destroy LDPQi $sp, 14 :: (load 16 from %stack.7), (load 16 from %stack.6)
  ; CHECK:   $q13, $q12 = frame-destroy LDPQi $sp, 12 :: (load 16 from %stack.9), (load 16 from %stack.8)
  ; CHECK:   $q15, $q14 = frame-destroy LDPQi $sp, 10 :: (load 16 from %stack.11), (load 16 from %stack.10)
  ; CHECK:   $q17, $q16 = frame-destroy LDPQi $sp, 8 :: (load 16 from %stack.13), (load 16 from %stack.12)
  ; CHECK:   $q19, $q18 = frame-destroy LDPQi $sp, 6 :: (load 16 from %stack.15), (load 16 from %stack.14)
  ; CHECK:   $q21, $q20 = frame-destroy LDPQi $sp, 4 :: (load 16 from %stack.17), (load 16 from %stack.16)
  ; CHECK:   $q23, $q22 = frame-destroy LDPQi $sp, 2 :: (load 16 from %stack.19), (load 16 from %stack.18)
  ; CHECK:   $sp = frame-destroy ADDXri $sp, 304, 0
  ; CHECK:   RET_ReallyLR implicit killed $q0
  bb.0 (%ir-block.0):
    successors: %bb.1, %bb.2
    liveins: $q0

    %0:fpr128 = COPY $q0
    EH_LABEL <mcsymbol .Ltmp0>
    ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
    $q0 = COPY %0
    BL @may_throw_neon, csr_aarch64_aavpcs, implicit-def $lr, implicit $sp, implicit $q0, implicit-def $q0
    %1:fpr128 = COPY $q0
    ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
    EH_LABEL <mcsymbol .Ltmp1>
    B %bb.1

  bb.1..Lcontinue:
    $q0 = COPY %1
    RET_ReallyLR implicit $q0

  bb.2..Lunwind (landing-pad):
    liveins: $x0, $x1

    EH_LABEL <mcsymbol .Ltmp2>
    $q0 = COPY %0
    RET_ReallyLR implicit $q0

...