wineh5.mir
9.88 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
# RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
# RUN: -filetype=obj | llvm-readobj --unwind | FileCheck %s
# Check that that the large stack allocation is correctly represented in .xdata.
# CHECK: ExceptionData {
# CHECK-NEXT: FunctionLength: 156
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 1
# CHECK-NEXT: ByteCodeLength: 20
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xe002dac9 ; sub sp, #2993296
# CHECK-NEXT: 0xe3 ; nop
# CHECK-NEXT: 0xe3 ; nop
# CHECK-NEXT: 0x42 ; stp x29, x30, [sp, #16]
# CHECK-NEXT: 0xd53f ; str x28, [sp, #256]!
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: EpilogueScope {
# CHECK-NEXT: StartOffset: 34
# CHECK-NEXT: EpilogueStartIndex: 10
# CHECK-NEXT: Opcodes [
# CHECK-NEXT: 0xe002da00 ; add sp, #2990080
# CHECK-NEXT: 0xc0c9 ; add sp, #3216
# CHECK-NEXT: 0x42 ; ldp x29, x30, [sp, #16]
# CHECK-NEXT: 0xd53f ; ldr x28, [sp], #256
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
--- |
target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-windows-msvc19.11.0"
; Function Attrs: noinline optnone
define dso_local i32 @"?func@@YAHH@Z"(i32 %i) #0 {
entry:
%retval = alloca i32, align 4
%i.addr = alloca i32, align 4
%A = alloca [748193 x i32], align 4
%a = alloca i32, align 4
%B = alloca [123 x i32], align 4
store i32 %i, i32* %i.addr, align 4
%0 = load i32, i32* %i.addr, align 4
%add = add nsw i32 %0, 2
store i32 %add, i32* %a, align 4
%call = call i32 @"?func2@@YAHXZ"()
%1 = load i32, i32* %i.addr, align 4
%cmp = icmp sgt i32 %1, 2
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
%call1 = call i32 @"?func2@@YAHXZ"()
store i32 %call1, i32* %retval, align 4
br label %return
if.else: ; preds = %entry
%arraydecay = getelementptr inbounds [123 x i32], [123 x i32]* %B, i32 0, i32 0
%call2 = call i32 @"?func3@@YAHPEAH@Z"(i32* %arraydecay)
store i32 %call2, i32* %retval, align 4
br label %return
return: ; preds = %if.else, %if.then
%2 = load i32, i32* %retval, align 4
ret i32 %2
}
declare dso_local i32 @"?func2@@YAHXZ"() #1
declare dso_local i32 @"?func3@@YAHPEAH@Z"(i32*) #1
; Function Attrs: nounwind
declare void @llvm.stackprotector(i8*, i8**) #2
attributes #0 = { noinline optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+neon" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind }
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"wchar_size", i32 2}
...
---
name: '?func@@YAHH@Z'
alignment: 4
exposesReturnsTwice: false
legalized: true
regBankSelected: true
selected: true
failedISel: false
tracksRegLiveness: true
hasWinCFI: true
registers:
liveins:
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 2993328
offsetAdjustment: 0
maxAlignment: 16
adjustsStack: true
hasCalls: true
stackProtector: ''
maxCallFrameSize: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
localFrameSize: 2993276
savePoint: ''
restorePoint: ''
fixedStack:
stack:
- { id: 0, name: retval, type: default, offset: -36, 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: '' }
- { id: 1, name: i.addr, type: default, offset: -40, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -8, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 2, name: A, type: default, offset: -2992812, size: 2992772, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -2992780, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 3, name: a, type: default, offset: -2992816, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -2992784, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 4, name: B, type: default, offset: -2993308, size: 492, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -2993276, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 5, name: '', type: spill-slot, offset: -2993320, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 6, name: '', type: spill-slot, offset: -2993324, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 7, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 8, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 9, name: '', type: spill-slot, offset: -32, size: 8, alignment: 16,
stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
constants:
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: $w0, $x28, $fp, $lr
early-clobber $sp = frame-setup STRXpre killed $x28, $sp, -32 :: (store 8 into %stack.9)
frame-setup SEH_SaveReg_X 28, -256
frame-setup STPXi killed $fp, killed $lr, $sp, 2 :: (store 8 into %stack.7), (store 8 into %stack.8)
frame-setup SEH_SaveFPLR 16
$x15 = frame-setup MOVi64imm 187081
frame-setup SEH_Nop
frame-setup BL &__chkstk, implicit-def $lr, implicit $sp, implicit $x15
frame-setup SEH_Nop
$sp = frame-setup SUBXrx64 killed $sp, killed $x15, 28
frame-setup SEH_StackAlloc 2993296
frame-setup SEH_PrologEnd
$x8 = ADDXri $sp, 730, 12
$x8 = ADDXri $x8, 3208, 0
renamable $w9 = MOVi32imm 2
STRWui killed renamable $w0, renamable $x8, 0 :: (store 4 into %ir.i.addr)
renamable $w0 = LDRWui renamable $x8, 0 :: (load 4 from %ir.i.addr)
renamable $w0 = ADDWri killed renamable $w0, 2, 0
STRWui killed renamable $w0, $sp, 128 :: (store 4 into %ir.a)
STRXui killed $x8, $sp, 1 :: (store 8 into %stack.5)
STRWui killed $w9, $sp, 1 :: (store 4 into %stack.6)
BL @"?func2@@YAHXZ", csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit-def $w0
$x8 = LDRXui $sp, 1 :: (load 8 from %stack.5)
renamable $w9 = LDRWui killed renamable $x8, 0 :: (load 4 from %ir.i.addr)
$w10 = LDRWui $sp, 1 :: (load 4 from %stack.6)
$wzr = SUBSWrr killed renamable $w9, killed renamable $w10, implicit-def $nzcv
renamable $w9 = CSINCWr $wzr, $wzr, 13, implicit $nzcv
TBNZW killed renamable $w9, 0, %bb.2
B %bb.3
bb.2.if.then:
successors: %bb.4(0x80000000)
BL @"?func2@@YAHXZ", csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit-def $w0
$x8 = LDRXui $sp, 1 :: (load 8 from %stack.5)
STRWui killed renamable $w0, killed renamable $x8, 1 :: (store 4 into %ir.retval)
B %bb.4
bb.3.if.else:
successors: %bb.4(0x80000000)
$x8 = ADDXri $sp, 20, 0
$x0 = COPY killed renamable $x8
BL @"?func3@@YAHPEAH@Z", csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit killed $x0, implicit-def $w0
$x8 = LDRXui $sp, 1 :: (load 8 from %stack.5)
STRWui killed renamable $w0, killed renamable $x8, 1 :: (store 4 into %ir.retval)
bb.4.return:
$x8 = LDRXui $sp, 1 :: (load 8 from %stack.5)
renamable $w0 = LDRWui killed renamable $x8, 1 :: (load 4 from %ir.retval)
frame-destroy SEH_EpilogStart
$sp = frame-destroy ADDXri $sp, 730, 12
frame-destroy SEH_StackAlloc 2990080
$sp = frame-destroy ADDXri $sp, 3216, 0
frame-destroy SEH_StackAlloc 3216
$fp, $lr = frame-destroy LDPXi $sp, 2 :: (load 8 from %stack.7), (load 8 from %stack.8)
frame-destroy SEH_SaveFPLR 16
early-clobber $sp, $x28 = frame-destroy LDRXpost $sp, 32 :: (load 8 from %stack.9)
frame-destroy SEH_SaveReg_X 28, -256
frame-destroy SEH_EpilogEnd
RET_ReallyLR implicit killed $w0
...