test/CodeGen/AArch64/wineh-frame0.mir

# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN:   -stop-after=prologepilog | FileCheck %s
# Check save_regp_x, save_regp

# CHECK:        early-clobber $sp = frame-setup STPXpre killed $x27, killed $x28, $sp, -10
# CHECK-NEXT:   frame-setup SEH_SaveRegP_X 27, 28, -80
# CHECK-NEXT:   frame-setup STPXi killed $x25, killed $x26, $sp, 2
# CHECK-NEXT:   frame-setup SEH_SaveRegP 25, 26, 16
# CHECK-NEXT:   frame-setup STPXi killed $x23, killed $x24, $sp, 4
# CHECK-NEXT:   frame-setup SEH_SaveRegP 23, 24, 32
# CHECK-NEXT:   frame-setup STPXi killed $x21, killed $x22, $sp, 6
# CHECK-NEXT:   frame-setup SEH_SaveRegP 21, 22, 48
# CHECK-NEXT:   frame-setup STPXi killed $x19, killed $x20, $sp, 8
# CHECK-NEXT:   frame-setup SEH_SaveRegP 19, 20, 64
# CHECK-NEXT:   frame-setup SEH_PrologEnd
# CHECK:        frame-destroy SEH_EpilogStart
# CHECK-NEXT:   $x19, $x20 = frame-destroy LDPXi $sp, 8
# CHECK-NEXT:   frame-destroy SEH_SaveRegP 19, 20, 64
# CHECK-NEXT:   $x21, $x22 = frame-destroy LDPXi $sp, 6
# CHECK-NEXT:   frame-destroy SEH_SaveRegP 21, 22, 48
# CHECK-NEXT:   $x23, $x24 = frame-destroy LDPXi $sp, 4
# CHECK-NEXT:   frame-destroy SEH_SaveRegP 23, 24, 32
# CHECK-NEXT:   $x25, $x26 = frame-destroy LDPXi $sp, 2
# CHECK-NEXT:   frame-destroy SEH_SaveRegP 25, 26, 16
# CHECK-NEXT:   early-clobber $sp, $x27, $x28 = frame-destroy LDPXpost $sp, 10
# CHECK-NEXT:   frame-destroy SEH_SaveRegP_X 27, 28, -80
# CHECK-NEXT:   frame-destroy SEH_EpilogEnd
# CHECK-NEXT:   RET_ReallyLR implicit $x0

...
---
name:            test
alignment:       2
tracksRegLiveness: true
hasWinCFI: true
liveins:
  - { reg: '$w0' }
frameInfo:
  stackSize:       80
  maxAlignment:    8
  maxCallFrameSize: 0
  hasOpaqueSPAdjustment: true
stack:
body:             |
  bb.0.entry:
    liveins: $x0, $x1, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20
    $x19 = ADDXrr $x0, killed $x1
    $x20 = ADDXrr $x19, killed $x0
    $x21 = ADDXrr $x20, killed $x19
    $x22 = ADDXrr $x21, killed $x20
    $x23 = ADDXrr $x22, killed $x21
    $x24 = ADDXrr $x23, killed $x22
    $x25 = ADDXrr $x24, killed $x23
    $x26 = ADDXrr $x25, killed $x24
    $x27 = ADDXrr $x26, killed $x25
    $x28 = ADDXrr $x27, killed $x26
    $x0 = COPY $x28
    RET_ReallyLR implicit $x0

...