1# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
2# RUN:   -stop-after=prologepilog | FileCheck %s
3# Check where the stack variable is placed
4
5# CHECK:      - { id: 0, name: '', type: default, offset: -4, size: 4, alignment: 4,
6# CHECK-NEXT:     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
7# CHECK-NEXT:     local-offset: -4, debug-info-variable: '', debug-info-expression: '',
8# CHECK-NEXT:     debug-info-location: '' }
9# CHECK-NEXT: - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
10# CHECK-NEXT:     stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
11# CHECK-NEXT:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
12# CHECK-NEXT: - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
13# CHECK-NEXT:     stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
14# CHECK-NEXT:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
15# CHECK-NEXT: - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
16# CHECK-NEXT:     stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
17# CHECK-NEXT:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
18# CHECK-NEXT: - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
19# CHECK-NEXT:     stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
20# CHECK-NEXT:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
21# CHECK-NEXT: - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
22# CHECK-NEXT:     stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
23# CHECK-NEXT:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
24
25# CHECK:      early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -6 :: (store 8 into %stack.4), (store 8 into %stack.5)
26# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -48
27# CHECK-NEXT: frame-setup STPXi killed $x21, killed $x22, $sp, 2 :: (store 8 into %stack.2), (store 8 into %stack.3)
28# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 22, 16
29# CHECK-NEXT: frame-setup STRXui killed $x23, $sp, 4 :: (store 8 into %stack.1)
30# CHECK-NEXT: frame-setup SEH_SaveReg 23, 32
31# CHECK-NEXT: frame-setup SEH_PrologEnd
32
33
34...
35---
36name:            func
37alignment:       4
38exposesReturnsTwice: false
39legalized:       false
40regBankSelected: false
41selected:        false
42failedISel:      false
43tracksRegLiveness: true
44hasWinCFI:       false
45registers:       []
46liveins:         []
47frameInfo:
48  isFrameAddressTaken: false
49  isReturnAddressTaken: false
50  hasStackMap:     false
51  hasPatchPoint:   false
52  stackSize:       0
53  offsetAdjustment: 0
54  maxAlignment:    4
55  adjustsStack:    false
56  hasCalls:        false
57  stackProtector:  ''
58  maxCallFrameSize: 0
59  cvBytesOfCalleeSavedRegisters: 0
60  hasOpaqueSPAdjustment: false
61  hasVAStart:      false
62  hasMustTailInVarArgFunc: false
63  localFrameSize:  4
64  savePoint:       ''
65  restorePoint:    ''
66fixedStack:      []
67stack:
68  - { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4,
69      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
70      local-offset: -4, debug-info-variable: '', debug-info-expression: '',
71      debug-info-location: '' }
72callSites:       []
73constants:       []
74machineFunctionInfo: {}
75body:             |
76  bb.0.entry:
77    liveins: $x0, $x23, $x21, $x22, $x19, $x20
78
79    renamable $x8 = ADDXri %stack.0, 0, 0
80    $x19 = ADDXrr $x0, $x8
81    $x20 = ADDXrr $x19, $x0
82    $x21 = ADDXrr $x20, killed $x19
83    $x22 = ADDXrr $x21, killed $x20
84    $x23 = ADDXrr $x22, killed $x21
85    $x0 = ADDXrr $x0, killed $x23
86
87    RET_ReallyLR
88
89...
90