| blob | f3d5fc8921a57675547881137aa9714bf15d9769 |
1 # RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
2 # RUN: -filetype=obj | llvm-readobj --unwind - | FileCheck %s
3 # Check save_fplr_x, set_fp, alloc_s
5 # CHECK: ExceptionData {
6 # CHECK-NEXT: FunctionLength: 92
7 # CHECK-NEXT: Version: 0
8 # CHECK-NEXT: ExceptionData: No
9 # CHECK-NEXT: EpiloguePacked: Yes
10 # CHECK-NEXT: EpilogueOffset: 1
11 # CHECK-NEXT: ByteCodeLength: 4
12 # CHECK-NEXT: Prologue [
13 # CHECK-NEXT: 0x02 ; sub sp, #32
14 # CHECK-NEXT: 0xe1 ; mov fp, sp
15 # CHECK-NEXT: 0x81 ; stp x29, x30, [sp, #-16]!
16 # CHECK-NEXT: 0xe4 ; end
17 # CHECK-NEXT: ]
18 # CHECK-NEXT: Epilogue [
19 # CHECK-NEXT: 0xe1 ; mov sp, fp
20 # CHECK-NEXT: 0x81 ; ldp x29, x30, [sp], #16
21 # CHECK-NEXT: 0xe4 ; end
22 # CHECK-NEXT: ]
23 # CHECK-NEXT: }
24 ...
25 ---
26 name: '?func@@YAHHHHH@Z'
27 alignment: 8
28 exposesReturnsTwice: false
29 legalized: false
30 regBankSelected: false
31 selected: false
32 failedISel: false
33 tracksRegLiveness: true
34 hasWinCFI: true
35 registers:
36 liveins:
37 - { reg: '$w0', virtual-reg: '' }
38 - { reg: '$w1', virtual-reg: '' }
39 - { reg: '$w2', virtual-reg: '' }
40 - { reg: '$w3', virtual-reg: '' }
41 frameInfo:
42 isFrameAddressTaken: false
43 isReturnAddressTaken: false
44 hasStackMap: false
45 hasPatchPoint: false
46 stackSize: 48
47 offsetAdjustment: 0
48 maxAlignment: 8
49 adjustsStack: true
50 hasCalls: true
51 stackProtector: ''
52 maxCallFrameSize: 0
53 hasOpaqueSPAdjustment: false
54 hasVAStart: false
55 hasMustTailInVarArgFunc: false
56 localFrameSize: 24
57 savePoint: ''
58 restorePoint: ''
59 fixedStack:
60 stack:
61 - { id: 0, name: '', type: default, offset: -20, size: 4, alignment: 4,
62 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
63 local-offset: -4, debug-info-variable: '', debug-info-expression: '',
64 debug-info-location: '' }
65 - { id: 1, name: '', type: default, offset: -24, size: 4, alignment: 4,
66 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
67 local-offset: -8, debug-info-variable: '', debug-info-expression: '',
68 debug-info-location: '' }
69 - { id: 2, name: '', type: default, offset: -28, size: 4, alignment: 4,
70 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
71 local-offset: -12, debug-info-variable: '', debug-info-expression: '',
72 debug-info-location: '' }
73 - { id: 3, name: '', type: default, offset: -32, size: 4, alignment: 4,
74 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
75 local-offset: -16, debug-info-variable: '', debug-info-expression: '',
76 debug-info-location: '' }
77 - { id: 4, name: '', type: default, offset: -40, size: 8, alignment: 8,
78 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
79 local-offset: -24, debug-info-variable: '', debug-info-expression: '',
80 debug-info-location: '' }
81 - { id: 5, name: '', type: variable-sized, offset: -40,
82 alignment: 1, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
83 local-offset: -24, debug-info-variable: '', debug-info-expression: '',
84 debug-info-location: '' }
85 - { id: 6, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
86 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
87 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
88 - { id: 7, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
89 stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
90 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
91 - { id: 8, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
92 stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
93 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
94 constants:
95 body: |
96 bb.0.entry:
97 liveins: $w0, $w1, $w2, $w3, $lr
99 early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.7), (store (s64) into %stack.8)
100 frame-setup SEH_SaveFPLR_X -16
101 $fp = frame-setup ADDXri $sp, 0, 0
102 frame-setup SEH_SetFP
103 $sp = frame-setup SUBXri $sp, 32, 0
104 frame-setup SEH_StackAlloc 32
105 frame-setup SEH_PrologEnd
106 STURWi killed renamable $w3, $fp, -4
107 STURWi killed renamable $w2, $fp, -8
108 STURWi killed renamable $w1, $fp, -12
109 STURWi killed renamable $w0, $fp, -16
110 renamable $x8 = LDURSWi $fp, -16
111 renamable $x8 = ADDXri killed renamable $x8, 15, 0
112 renamable $x8 = UBFMXri killed renamable $x8, 4, 63
113 $x15 = COPY renamable $x8
114 STURXi killed $x8, $fp, -32 :: (store (s64) into %stack.6)
115 BL &__chkstk, csr_aarch64_stackprobe_windows, implicit-def dead $lr, implicit $sp, implicit killed $x15
116 renamable $x8 = COPY $sp
117 $x15 = LDURXi $fp, -32 :: (load (s64) from %stack.6)
118 renamable $x8 = SUBSXrs killed renamable $x8, killed renamable $x15, 4, implicit-def dead $nzcv
119 $sp = COPY renamable $x8
120 STURXi killed renamable $x8, $fp, -24
121 renamable $x0 = LDURXi $fp, -24
122 renamable $w1 = COPY $wzr
123 $w0 = COPY killed renamable $w1
124 frame-destroy SEH_EpilogStart
125 $sp = frame-destroy ADDXri $fp, 0, 0
126 frame-destroy SEH_SetFP
127 early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2
128 frame-destroy SEH_SaveFPLR_X -16
129 frame-destroy SEH_EpilogEnd
130 RET_ReallyLR implicit killed $w0
132 ...