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
|
# REQUIRES: asserts
# RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s
# Check that the HexagonConstantExtenders pass does not assert when block
# addresses from different functions are used
# CHECK-LABEL: name: wibble
# CHECK: A2_tfrsi blockaddress(@baz
# CHECK: A2_tfrsi blockaddress(@wibble
--- |
target triple = "hexagon"
define dso_local void @baz() {
bb:
br label %bb1
bb1: ; preds = %bb
%call = tail call fastcc i32 @wibble(i32 poison)
ret void
}
define internal fastcc i32 @wibble(i32 %arg) {
bb:
%call = tail call i32 @eggs(i32 noundef ptrtoint (ptr blockaddress(@baz, %bb1) to i32))
br label %bb1
bb1: ; preds = %bb
tail call void @baz.1(i32 noundef ptrtoint (ptr blockaddress(@wibble, %bb1) to i32))
ret i32 %call
}
declare i32 @eggs(i32 noundef) local_unnamed_addr
declare void @baz.1(i32 noundef) local_unnamed_addr
...
---
name: baz
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
callsEHReturn: false
callsUnwindInit: false
hasEHCatchret: false
hasEHScopes: false
hasEHFunclets: false
isOutlined: false
debugInstrRef: false
failsVerification: false
tracksDebugUserValues: false
registers:
- { id: 0, class: intregs, preferred-register: '' }
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: false
hasCalls: false
stackProtector: ''
functionContext: ''
maxCallFrameSize: 4294967295
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
hasTailCall: true
isCalleeSavedInfoValid: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
entry_values: []
callSites: []
debugValueSubstitutions: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.bb:
successors: %bb.1(0x80000000)
bb.1.bb1 (ir-block-address-taken %ir-block.bb1):
%0:intregs = IMPLICIT_DEF
$r0 = COPY %0
PS_tailcall_i @wibble, hexagoncsr, implicit $r0
...
---
name: wibble
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
callsEHReturn: false
callsUnwindInit: false
hasEHCatchret: false
hasEHScopes: false
hasEHFunclets: false
isOutlined: false
debugInstrRef: false
failsVerification: false
tracksDebugUserValues: false
registers:
- { id: 0, class: intregs, preferred-register: '' }
- { id: 1, class: intregs, preferred-register: '' }
- { id: 2, class: intregs, preferred-register: '' }
- { id: 3, class: intregs, preferred-register: '' }
- { id: 4, class: intregs, preferred-register: '' }
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: true
hasCalls: true
stackProtector: ''
functionContext: ''
maxCallFrameSize: 4294967295
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
hasTailCall: false
isCalleeSavedInfoValid: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
entry_values: []
callSites: []
debugValueSubstitutions: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.bb:
successors: %bb.1(0x80000000)
%2:intregs = A2_tfrsi blockaddress(@baz, %ir-block.bb1)
ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
$r0 = COPY %2
J2_call @eggs, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit $r0, implicit-def $r29, implicit-def $r0
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
%3:intregs = COPY $r0
bb.1.bb1 (ir-block-address-taken %ir-block.bb1):
%4:intregs = A2_tfrsi blockaddress(@wibble, %ir-block.bb1)
ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
$r0 = COPY %4
J2_call @baz.1, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit $r0, implicit-def $r29
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
$r0 = COPY %3
PS_jmpret $r31, implicit-def dead $pc, implicit $r0
...
|
