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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp
; RUN: llc -mtriple=x86_64-linux-android < %s | FileCheck -check-prefix=CHECK-X64 %s
; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86 %s
; RUN: llc -mtriple=x86_64-linux-gnux32 < %s | FileCheck -check-prefix=CHECK-X32 %s
define i32 @foo() local_unnamed_addr #0 {
; CHECK-X64-LABEL: foo:
; CHECK-X64: # %bb.0:
; CHECK-X64-NEXT: movq %rsp, %r11
; CHECK-X64-NEXT: subq $69632, %r11 # imm = 0x11000
; CHECK-X64-NEXT: .cfi_def_cfa_register %r11
; CHECK-X64-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X64-NEXT: .LBB0_1: # =>This Inner Loop Header: Depth=1
; CHECK-X64-NEXT: subq $4096, %rsp # imm = 0x1000
; CHECK-X64-NEXT: movq $0, (%rsp)
; CHECK-X64-NEXT: cmpq %r11, %rsp
; CHECK-X64-NEXT: jne .LBB0_1
; CHECK-X64-NEXT: # %bb.2:
; CHECK-X64-NEXT: subq $2248, %rsp # imm = 0x8C8
; CHECK-X64-NEXT: .cfi_def_cfa_register %rsp
; CHECK-X64-NEXT: .cfi_def_cfa_offset 71888
; CHECK-X64-NEXT: movl $1, 264(%rsp)
; CHECK-X64-NEXT: movl $1, 28664(%rsp)
; CHECK-X64-NEXT: movl -128(%rsp), %eax
; CHECK-X64-NEXT: addq $71880, %rsp # imm = 0x118C8
; CHECK-X64-NEXT: .cfi_def_cfa_offset 8
; CHECK-X64-NEXT: retq
;
; CHECK-X86-LABEL: foo:
; CHECK-X86: # %bb.0:
; CHECK-X86-NEXT: movl %esp, %eax
; CHECK-X86-NEXT: subl $69632, %eax # imm = 0x11000
; CHECK-X86-NEXT: .cfi_def_cfa_register %eax
; CHECK-X86-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X86-NEXT: .LBB0_1: # =>This Inner Loop Header: Depth=1
; CHECK-X86-NEXT: subl $4096, %esp # imm = 0x1000
; CHECK-X86-NEXT: movl $0, (%esp)
; CHECK-X86-NEXT: cmpl %eax, %esp
; CHECK-X86-NEXT: jne .LBB0_1
; CHECK-X86-NEXT: # %bb.2:
; CHECK-X86-NEXT: subl $2380, %esp # imm = 0x94C
; CHECK-X86-NEXT: .cfi_def_cfa_register %esp
; CHECK-X86-NEXT: .cfi_def_cfa_offset 72016
; CHECK-X86-NEXT: movl $1, 392(%esp)
; CHECK-X86-NEXT: movl $1, 28792(%esp)
; CHECK-X86-NEXT: movl (%esp), %eax
; CHECK-X86-NEXT: addl $72012, %esp # imm = 0x1194C
; CHECK-X86-NEXT: .cfi_def_cfa_offset 4
; CHECK-X86-NEXT: retl
;
; CHECK-X32-LABEL: foo:
; CHECK-X32: # %bb.0:
; CHECK-X32-NEXT: movl %esp, %r11d
; CHECK-X32-NEXT: subl $69632, %r11d # imm = 0x11000
; CHECK-X32-NEXT: .cfi_def_cfa_register %r11
; CHECK-X32-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X32-NEXT: .LBB0_1: # =>This Inner Loop Header: Depth=1
; CHECK-X32-NEXT: subl $4096, %esp # imm = 0x1000
; CHECK-X32-NEXT: movq $0, (%esp)
; CHECK-X32-NEXT: cmpl %r11d, %esp
; CHECK-X32-NEXT: jne .LBB0_1
; CHECK-X32-NEXT: # %bb.2:
; CHECK-X32-NEXT: subl $2248, %esp # imm = 0x8C8
; CHECK-X32-NEXT: .cfi_def_cfa_register %rsp
; CHECK-X32-NEXT: .cfi_def_cfa_offset 71888
; CHECK-X32-NEXT: movl $1, 264(%esp)
; CHECK-X32-NEXT: movl $1, 28664(%esp)
; CHECK-X32-NEXT: movl -128(%esp), %eax
; CHECK-X32-NEXT: addl $71880, %esp # imm = 0x118C8
; CHECK-X32-NEXT: .cfi_def_cfa_offset 8
; CHECK-X32-NEXT: retq
%a = alloca i32, i64 18000, align 16
%b0 = getelementptr inbounds i32, ptr %a, i64 98
%b1 = getelementptr inbounds i32, ptr %a, i64 7198
store volatile i32 1, ptr %b0
store volatile i32 1, ptr %b1
%c = load volatile i32, ptr %a
ret i32 %c
}
define void @push_before_probe(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) "probe-stack"="inline-asm" "no_caller_saved_registers" {
; CHECK-X64-LABEL: push_before_probe:
; CHECK-X64: # %bb.0:
; CHECK-X64-NEXT: pushq %rax
; CHECK-X64-NEXT: .cfi_def_cfa_offset 16
; CHECK-X64-NEXT: movq %rsp, %r11
; CHECK-X64-NEXT: subq $69632, %r11 # imm = 0x11000
; CHECK-X64-NEXT: .cfi_def_cfa_register %r11
; CHECK-X64-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X64-NEXT: .LBB1_1: # =>This Inner Loop Header: Depth=1
; CHECK-X64-NEXT: subq $4096, %rsp # imm = 0x1000
; CHECK-X64-NEXT: movq $0, (%rsp)
; CHECK-X64-NEXT: cmpq %r11, %rsp
; CHECK-X64-NEXT: jne .LBB1_1
; CHECK-X64-NEXT: # %bb.2:
; CHECK-X64-NEXT: subq $2240, %rsp # imm = 0x8C0
; CHECK-X64-NEXT: .cfi_def_cfa_register %rsp
; CHECK-X64-NEXT: .cfi_def_cfa_offset 71888
; CHECK-X64-NEXT: .cfi_offset %rax, -16
; CHECK-X64-NEXT: movl 71888(%rsp), %eax
; CHECK-X64-NEXT: addl %esi, %edi
; CHECK-X64-NEXT: addl %ecx, %edx
; CHECK-X64-NEXT: addl %edi, %edx
; CHECK-X64-NEXT: addl %r9d, %r8d
; CHECK-X64-NEXT: addl 71896(%rsp), %eax
; CHECK-X64-NEXT: addl %r8d, %eax
; CHECK-X64-NEXT: addl %edx, %eax
; CHECK-X64-NEXT: movl %eax, 264(%rsp)
; CHECK-X64-NEXT: movl %eax, 28664(%rsp)
; CHECK-X64-NEXT: addq $71872, %rsp # imm = 0x118C0
; CHECK-X64-NEXT: .cfi_def_cfa_offset 16
; CHECK-X64-NEXT: popq %rax
; CHECK-X64-NEXT: .cfi_def_cfa_offset 8
; CHECK-X64-NEXT: retq
;
; CHECK-X86-LABEL: push_before_probe:
; CHECK-X86: # %bb.0:
; CHECK-X86-NEXT: pushl %esi
; CHECK-X86-NEXT: .cfi_def_cfa_offset 8
; CHECK-X86-NEXT: pushl %edx
; CHECK-X86-NEXT: .cfi_def_cfa_offset 12
; CHECK-X86-NEXT: pushl %ecx
; CHECK-X86-NEXT: .cfi_def_cfa_offset 16
; CHECK-X86-NEXT: pushl %eax
; CHECK-X86-NEXT: .cfi_def_cfa_offset 20
; CHECK-X86-NEXT: movl %esp, %eax
; CHECK-X86-NEXT: subl $69632, %eax # imm = 0x11000
; CHECK-X86-NEXT: .cfi_def_cfa_register %eax
; CHECK-X86-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X86-NEXT: .LBB1_1: # =>This Inner Loop Header: Depth=1
; CHECK-X86-NEXT: subl $4096, %esp # imm = 0x1000
; CHECK-X86-NEXT: movl $0, (%esp)
; CHECK-X86-NEXT: cmpl %eax, %esp
; CHECK-X86-NEXT: jne .LBB1_1
; CHECK-X86-NEXT: # %bb.2:
; CHECK-X86-NEXT: subl $2380, %esp # imm = 0x94C
; CHECK-X86-NEXT: .cfi_def_cfa_register %esp
; CHECK-X86-NEXT: .cfi_def_cfa_offset 72032
; CHECK-X86-NEXT: .cfi_offset %eax, -20
; CHECK-X86-NEXT: .cfi_offset %ecx, -16
; CHECK-X86-NEXT: .cfi_offset %edx, -12
; CHECK-X86-NEXT: .cfi_offset %esi, -8
; CHECK-X86-NEXT: movl 72056(%esp), %eax
; CHECK-X86-NEXT: movl 72048(%esp), %edx
; CHECK-X86-NEXT: movl 72040(%esp), %ecx
; CHECK-X86-NEXT: movl 72032(%esp), %esi
; CHECK-X86-NEXT: addl 72036(%esp), %esi
; CHECK-X86-NEXT: addl 72044(%esp), %ecx
; CHECK-X86-NEXT: addl %esi, %ecx
; CHECK-X86-NEXT: addl 72052(%esp), %edx
; CHECK-X86-NEXT: addl 72060(%esp), %eax
; CHECK-X86-NEXT: addl %edx, %eax
; CHECK-X86-NEXT: addl %ecx, %eax
; CHECK-X86-NEXT: movl %eax, 392(%esp)
; CHECK-X86-NEXT: movl %eax, 28792(%esp)
; CHECK-X86-NEXT: addl $72012, %esp # imm = 0x1194C
; CHECK-X86-NEXT: .cfi_def_cfa_offset 20
; CHECK-X86-NEXT: popl %eax
; CHECK-X86-NEXT: .cfi_def_cfa_offset 16
; CHECK-X86-NEXT: popl %ecx
; CHECK-X86-NEXT: .cfi_def_cfa_offset 12
; CHECK-X86-NEXT: popl %edx
; CHECK-X86-NEXT: .cfi_def_cfa_offset 8
; CHECK-X86-NEXT: popl %esi
; CHECK-X86-NEXT: .cfi_def_cfa_offset 4
; CHECK-X86-NEXT: retl
;
; CHECK-X32-LABEL: push_before_probe:
; CHECK-X32: # %bb.0:
; CHECK-X32-NEXT: pushq %rax
; CHECK-X32-NEXT: .cfi_def_cfa_offset 16
; CHECK-X32-NEXT: movl %esp, %r11d
; CHECK-X32-NEXT: subl $69632, %r11d # imm = 0x11000
; CHECK-X32-NEXT: .cfi_def_cfa_register %r11
; CHECK-X32-NEXT: .cfi_adjust_cfa_offset 69632
; CHECK-X32-NEXT: .LBB1_1: # =>This Inner Loop Header: Depth=1
; CHECK-X32-NEXT: subl $4096, %esp # imm = 0x1000
; CHECK-X32-NEXT: movq $0, (%esp)
; CHECK-X32-NEXT: cmpl %r11d, %esp
; CHECK-X32-NEXT: jne .LBB1_1
; CHECK-X32-NEXT: # %bb.2:
; CHECK-X32-NEXT: subl $2240, %esp # imm = 0x8C0
; CHECK-X32-NEXT: .cfi_def_cfa_register %rsp
; CHECK-X32-NEXT: .cfi_def_cfa_offset 71888
; CHECK-X32-NEXT: .cfi_offset %rax, -16
; CHECK-X32-NEXT: movl 71888(%esp), %eax
; CHECK-X32-NEXT: addl %esi, %edi
; CHECK-X32-NEXT: addl %ecx, %edx
; CHECK-X32-NEXT: addl %edi, %edx
; CHECK-X32-NEXT: addl %r9d, %r8d
; CHECK-X32-NEXT: addl 71896(%esp), %eax
; CHECK-X32-NEXT: addl %r8d, %eax
; CHECK-X32-NEXT: addl %edx, %eax
; CHECK-X32-NEXT: movl %eax, 264(%esp)
; CHECK-X32-NEXT: movl %eax, 28664(%esp)
; CHECK-X32-NEXT: addl $71872, %esp # imm = 0x118C0
; CHECK-X32-NEXT: .cfi_def_cfa_offset 16
; CHECK-X32-NEXT: popq %rax
; CHECK-X32-NEXT: .cfi_def_cfa_offset 8
; CHECK-X32-NEXT: retq
%all = alloca i32, i64 18000, align 16
%b0 = getelementptr inbounds i32, ptr %all, i64 98
%b1 = getelementptr inbounds i32, ptr %all, i64 7198
%ab = add i32 %a, %b
%cd = add i32 %c, %d
%ef = add i32 %e, %f
%gh = add i32 %g, %h
%abcd = add i32 %ab, %cd
%efgh = add i32 %ef, %gh
%sum = add i32 %abcd, %efgh
store volatile i32 %sum, ptr %b0
store volatile i32 %sum, ptr %b1
ret void
}
attributes #0 = {"probe-stack"="inline-asm"}
|
