wineh-frame4.mir 1.73 KB
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN:   -stop-after=prologepilog | FileCheck %s
# Check save_freg_x, save_freg

# CHECK:       early-clobber $sp = frame-setup STRDpre killed $d10, $sp, -16
# CHECK-NEXT:  frame-setup SEH_SaveFReg_X 10, -16
# CHECK-NEXT:  frame-setup STRDui killed $d8, $sp, 1 :: (store 8 into %stack.0)
# CHECK-NEXT:  frame-setup SEH_SaveFReg 8, 8
# CHECK-NEXT:  frame-setup SEH_PrologEnd
# CHECK:       frame-destroy SEH_EpilogStart
# CHECK-NEXT:  $d8 = frame-destroy LDRDui $sp, 1 :: (load 8 from %stack.0)
# CHECK-NEXT:  frame-destroy SEH_SaveFReg 8, 8
# CHECK-NEXT:  early-clobber $sp, $d10 = frame-destroy LDRDpost $sp, 16 :: (load 8 from %stack.1)
# CHECK-NEXT:  frame-destroy SEH_SaveFReg_X 10, -16
# CHECK-NEXT:  frame-destroy SEH_EpilogEnd
# CHECK-NEXT:  RET_ReallyLR implicit $x0
...
---
name:            test
alignment:       4
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       true
registers:
liveins:
  - { reg: '$w0', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       112
  offsetAdjustment: 0
  maxAlignment:    8
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 0
  hasOpaqueSPAdjustment: true
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:
stack:
constants:
body:             |
  bb.0.entry:
    liveins: $d0, $d1
    $d8 = FADDDrr $d0, killed $d1
    $d10 = FADDDrr killed $d8, $d0
    $x0 = COPY killed $d10
    RET_ReallyLR implicit $x0
...