wineh-frame3.mir
1.63 KB
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# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s
# Check save_reg_x, save_reg
# CHECK: early-clobber $sp = frame-setup STRXpre killed $x22, $sp, -16
# CHECK-NEXT: frame-setup SEH_SaveReg_X 22, -16
# CHECK-NEXT: frame-setup STRXui killed $x19, $sp, 1
# CHECK-NEXT: frame-setup SEH_SaveReg 19, 8
# CHECK-NEXT: frame-setup SEH_PrologEnd
# CHECK: frame-destroy SEH_EpilogStart
# CHECK-NEXT: $x19 = frame-destroy LDRXui $sp, 1
# CHECK-NEXT: frame-destroy SEH_SaveReg 19, 8
# CHECK-NEXT: early-clobber $sp, $x22 = frame-destroy LDRXpost $sp, 16
# CHECK-NEXT: frame-destroy SEH_SaveReg_X 22, -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: $x0, $x1
$x19 = ADDXrr $x0, killed $x1
$x22 = ADDXrr killed $x19, $x0
$x0 = COPY killed $x22
RET_ReallyLR implicit $x0
...