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# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
# RUN: -stop-after=prologepilog | FileCheck %s
# Check where the stack variable is placed
# CHECK: - { id: 0, name: '', type: default, offset: -4, size: 4, alignment: 4,
# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK-NEXT: local-offset: -4, debug-info-variable: '', debug-info-expression: '',
# CHECK-NEXT: debug-info-location: '' }
# CHECK-NEXT: - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -6 :: (store (s64) into %stack.4), (store (s64) into %stack.5)
# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -48
# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 2 :: (store (s64) into %stack.2), (store (s64) into %stack.3)
# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 16
# CHECK-NEXT: frame-setup STRXui killed $x23, $sp, 4 :: (store (s64) into %stack.1)
# CHECK-NEXT: frame-setup SEH_SaveReg 23, 32
# CHECK-NEXT: frame-setup SEH_PrologEnd
...
---
name: func
alignment: 4
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
registers: []
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: false
hasCalls: false
stackProtector: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 4
savePoint: ''
restorePoint: ''
fixedStack: []
stack:
- { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -4, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
callSites: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.entry:
liveins: $x0, $x23, $x21, $x22, $x19, $x20
renamable $x8 = ADDXri %stack.0, 0, 0
$x19 = ADDXrr $x0, $x8
$x20 = ADDXrr $x19, $x0
$x21 = ADDXrr $x20, killed $x19
$x22 = ADDXrr $x21, killed $x20
$x23 = ADDXrr $x22, killed $x21
$x0 = ADDXrr $x0, killed $x23
RET_ReallyLR
...
|
