1# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
2# RUN:    -filetype=obj | llvm-readobj --unwind - | FileCheck %s
3# Test that the pre/post increment save of a flating point register is correct.
4
5# CHECK:        ExceptionData {
6# CHECK-NEXT:      FunctionLength: 144
7# CHECK-NEXT:      Version: 0
8# CHECK-NEXT:      ExceptionData: No
9# CHECK-NEXT:      EpiloguePacked: No
10# CHECK-NEXT:      EpilogueScopes: 1
11# CHECK-NEXT:      ByteCodeLength: 40
12# CHECK-NEXT:      Prologue [
13# CHECK-NEXT:        0xc80e              ; stp x19, x20, [sp, #112]
14# CHECK-NEXT:        0xc88c              ; stp x21, x22, [sp, #96]
15# CHECK-NEXT:        0xc90a              ; stp x23, x24, [sp, #80]
16# CHECK-NEXT:        0xc988              ; stp x25, x26, [sp, #64]
17# CHECK-NEXT:        0xca06              ; stp x27, x28, [sp, #48]
18# CHECK-NEXT:        0xdc45              ; str d9, [sp, #40]
19# CHECK-NEXT:        0xdc04              ; str d8, [sp, #32]
20# CHECK-NEXT:        0xd882              ; stp d10, d11, [sp, #16]
21# CHECK-NEXT:        0xde8f              ; str d12, [sp, #-128]!
22# CHECK-NEXT:        0xe4                ; end
23# CHECK-NEXT:      ]
24# CHECK-NEXT:      EpilogueScopes [
25# CHECK-NEXT:        EpilogueScope {
26# CHECK-NEXT:          StartOffset: 26
27# CHECK-NEXT:          EpilogueStartIndex: 19
28# CHECK-NEXT:          Opcodes [
29# CHECK-NEXT:            0xc80e              ; ldp x19, x20, [sp, #112]
30# CHECK-NEXT:            0xc88c              ; ldp x21, x22, [sp, #96]
31# CHECK-NEXT:            0xc90a              ; ldp x23, x24, [sp, #80]
32# CHECK-NEXT:            0xc988              ; ldp x25, x26, [sp, #64]
33# CHECK-NEXT:            0xca06              ; ldp x27, x28, [sp, #48]
34# CHECK-NEXT:            0xdc04              ; ldr d8, [sp, #32]
35# CHECK-NEXT:            0xdc45              ; ldr d9, [sp, #40]
36# CHECK-NEXT:            0xd882              ; ldp d10, d11, [sp, #16]
37# CHECK-NEXT:            0xde8f              ; ldr d12, [sp], #128
38# CHECK-NEXT:            0xe4                ; end
39# CHECK-NEXT:          ]
40# CHECK-NEXT:        }
41# CHECK-NEXT:      ]
42# CHECK-NEXT:    }
43...
44---
45name:            test
46alignment:       4
47exposesReturnsTwice: false
48legalized:       false
49regBankSelected: false
50selected:        false
51failedISel:      false
52tracksRegLiveness: true
53hasWinCFI:       true
54registers:
55liveins:
56  - { reg: '$w0', virtual-reg: '' }
57frameInfo:
58  isFrameAddressTaken: false
59  isReturnAddressTaken: false
60  hasStackMap:     false
61  hasPatchPoint:   false
62  stackSize:       128
63  offsetAdjustment: 0
64  maxAlignment:    16
65  adjustsStack:    false
66  hasCalls:        false
67  stackProtector:  ''
68  maxCallFrameSize: 0
69  hasOpaqueSPAdjustment: true
70  hasVAStart:      false
71  hasMustTailInVarArgFunc: false
72  localFrameSize:  0
73  savePoint:       ''
74  restorePoint:    ''
75fixedStack:
76stack:
77  - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
78      stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
79      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
80  - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
81      stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
82      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
83  - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
84      stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
85      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
86  - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
87      stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
88      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
89  - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
90      stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
91      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
92  - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
93      stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,
94      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
95  - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,
96      stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,
97      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
98  - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,
99      stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,
100      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
101  - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,
102      stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
103      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
104  - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,
105      stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
106      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
107  - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,
108      stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,
109      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
110  - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,
111      stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,
112      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
113  - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,
114      stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,
115      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
116  - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,
117      stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,
118      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
119  - { id: 14, name: '', type: spill-slot, offset: -128, size: 8, alignment: 16,
120      stack-id: default, callee-saved-register: '$d12', callee-saved-restored: true,
121      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
122constants:
123body:             |
124  bb.0.entry:
125    liveins: $x0, $x1, $d0, $d1, $d8, $d9, $d10, $d11, $d12, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28
126
127    early-clobber $sp = frame-setup STRDpre killed $d12, $sp, -128 :: (store 8 into %stack.14)
128    frame-setup SEH_SaveFReg_X 12, -128
129    frame-setup STPDi killed $d10, killed $d11, $sp, 2 :: (store 8 into %stack.12), (store 8 into %stack.13)
130    frame-setup SEH_SaveFRegP 10, 11, 16
131    frame-setup STRDui killed $d8, $sp, 4 :: (store 8 into %stack.10)
132    frame-setup SEH_SaveFReg 8, 32
133    frame-setup STRDui killed $d9, $sp, 5 :: (store 8 into %stack.11)
134    frame-setup SEH_SaveFReg 9, 40
135    frame-setup STPXi killed $x27, killed $x28, $sp, 6 :: (store 8 into %stack.8), (store 8 into %stack.9)
136    frame-setup SEH_SaveRegP 27, 28, 48
137    frame-setup STPXi killed $x25, killed $x26, $sp, 8 :: (store 8 into %stack.6), (store 8 into %stack.7)
138    frame-setup SEH_SaveRegP 25, 26, 64
139    frame-setup STPXi killed $x23, killed $x24, $sp, 10 :: (store 8 into %stack.4), (store 8 into %stack.5)
140    frame-setup SEH_SaveRegP 23, 24, 80
141    frame-setup STPXi killed $x21, killed $x22, $sp, 12 :: (store 8 into %stack.2), (store 8 into %stack.3)
142    frame-setup SEH_SaveRegP 21, 22, 96
143    frame-setup STPXi killed $x19, killed $x20, $sp, 14 :: (store 8 into %stack.0), (store 8 into %stack.1)
144    frame-setup SEH_SaveRegP 19, 20, 112
145    frame-setup SEH_PrologEnd
146    $x19 = ADDXrr $x0, killed $x1
147    $d8 = FADDDrr killed $d0, $d1
148    $d9 = FADDDrr $d8, $d1
149    $d10 = FADDDrr $d9, $d8
150    $d11 = FADDDrr killed $d9, $d10
151    $d12 = FADDDrr killed $d10, killed $d11
152    $x20 = ADDXrr $x19, killed $x0
153    $x21 = ADDXrr $x20, killed $x19
154    $x22 = ADDXrr $x21, killed $x20
155    $x23 = ADDXrr $x22, killed $x21
156    $x24 = ADDXrr $x23, killed $x22
157    $x25 = ADDXrr $x24, killed $x23
158    $x26 = ADDXrr $x25, killed $x24
159    $x27 = ADDXrr $x26, killed $x25
160    $x28 = ADDXrr $x27, killed $x26
161    $x0 = COPY $d12
162    $x0 = ADDXrr $x0, killed $x28
163    frame-destroy SEH_EpilogStart
164    $x19, $x20 = frame-destroy LDPXi $sp, 14 :: (load 8 from %stack.0), (load 8 from %stack.1)
165    frame-destroy SEH_SaveRegP 19, 20, 112
166    $x21, $x22 = frame-destroy LDPXi $sp, 12 :: (load 8 from %stack.2), (load 8 from %stack.3)
167    frame-destroy SEH_SaveRegP 21, 22, 96
168    $x23, $x24 = frame-destroy LDPXi $sp, 10 :: (load 8 from %stack.4), (load 8 from %stack.5)
169    frame-destroy SEH_SaveRegP 23, 24, 80
170    $x25, $x26 = frame-destroy LDPXi $sp, 8 :: (load 8 from %stack.6), (load 8 from %stack.7)
171    frame-destroy SEH_SaveRegP 25, 26, 64
172    $x27, $x28 = frame-destroy LDPXi $sp, 6 :: (load 8 from %stack.8), (load 8 from %stack.9)
173    frame-destroy SEH_SaveRegP 27, 28, 48
174    $d8 = frame-destroy LDRDui $sp, 4 :: (load 8 from %stack.10)
175    frame-destroy SEH_SaveFReg 8, 32
176    $d9 = frame-destroy LDRDui $sp, 5 :: (load 8 from %stack.11)
177    frame-destroy SEH_SaveFReg 9, 40
178    $d10, $d11 = frame-destroy LDPDi $sp, 2 :: (load 8 from %stack.12), (load 8 from %stack.13)
179    frame-destroy SEH_SaveFRegP 10, 11, 16
180    early-clobber $sp, $d12 = frame-destroy LDRDpost $sp, 128 :: (load 8 from %stack.14)
181    frame-destroy SEH_SaveFReg_X 12, -128
182    frame-destroy SEH_EpilogEnd
183    RET_ReallyLR implicit $x0
184
185...
186