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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
; The original C source looked like this:
;
; long long a101, b101, e101;
; volatile long c101;
; int d101;
;
; static inline int bar(p1, p2)
; {
; return 0;
; }
;
; void foo(unsigned p1)
; {
; long long *f = &b101, *g = &e101;
; c101 = 0;
; (void)((*f |= a101) - (*g = bar(d101)));
; c101 = (*f |= a101 &= p1) == d101;
; }
;
; When compiled with Clang it gives a warning
; warning: too few arguments in call to 'bar'
;
; This ll reproducer has been reduced to only include tha call.
;
; Note that -lint will report this as UB, but it passes -verify.
; This test is just to verify that we do not crash/assert due to mismatch in
; argument count between the caller and callee.
; FIXME we should recognize this as UB and make it an unreachable.
define dso_local i16 @foo(i16 %a) {
; IS__TUNIT____: Function Attrs: norecurse
; IS__TUNIT____-LABEL: define {{[^@]+}}@foo
; IS__TUNIT____-SAME: (i16 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
; IS__TUNIT____-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar to i16 (i16)*)(i16 [[A]])
; IS__TUNIT____-NEXT: ret i16 [[CALL]]
;
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@foo
; IS__CGSCC_OPM-SAME: (i16 [[A:%.*]]) {
; IS__CGSCC_OPM-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar to i16 (i16)*)(i16 [[A]])
; IS__CGSCC_OPM-NEXT: ret i16 [[CALL]]
;
; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind readnone
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@foo
; IS__CGSCC_NPM-SAME: (i16 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
; IS__CGSCC_NPM-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar to i16 (i16)*)(i16 [[A]])
; IS__CGSCC_NPM-NEXT: ret i16 [[CALL]]
;
%call = call i16 bitcast (i16 (i16, i16) * @bar to i16 (i16) *)(i16 %a)
ret i16 %call
}
define internal i16 @bar(i16 %p1, i16 %p2) {
; NOT_CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@bar
; NOT_CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR1:[0-9]+]] {
; NOT_CGSCC_OPM-NEXT: ret i16 0
;
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@bar
; IS__CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR0:[0-9]+]] {
; IS__CGSCC_OPM-NEXT: ret i16 0
;
ret i16 0
}
define dso_local i16 @foo2(i16 %a) {
; IS__TUNIT____: Function Attrs: norecurse
; IS__TUNIT____-LABEL: define {{[^@]+}}@foo2
; IS__TUNIT____-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
; IS__TUNIT____-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar2 to i16 (i16)*)(i16 [[A]])
; IS__TUNIT____-NEXT: ret i16 [[CALL]]
;
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@foo2
; IS__CGSCC_OPM-SAME: (i16 [[A:%.*]]) {
; IS__CGSCC_OPM-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar2 to i16 (i16)*)(i16 [[A]])
; IS__CGSCC_OPM-NEXT: ret i16 [[CALL]]
;
; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind readnone
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@foo2
; IS__CGSCC_NPM-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
; IS__CGSCC_NPM-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar2 to i16 (i16)*)(i16 [[A]])
; IS__CGSCC_NPM-NEXT: ret i16 [[CALL]]
;
%call = call i16 bitcast (i16 (i16, i16) * @bar2 to i16 (i16) *)(i16 %a)
ret i16 %call
}
define internal i16 @bar2(i16 %p1, i16 %p2) {
; NOT_CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@bar2
; NOT_CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR1]] {
; NOT_CGSCC_OPM-NEXT: [[A:%.*]] = add i16 [[P1]], [[P2]]
; NOT_CGSCC_OPM-NEXT: ret i16 [[A]]
;
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@bar2
; IS__CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]]) #[[ATTR0]] {
; IS__CGSCC_OPM-NEXT: [[A:%.*]] = add i16 [[P1]], [[P2]]
; IS__CGSCC_OPM-NEXT: ret i16 [[A]]
;
%a = add i16 %p1, %p2
ret i16 %a
}
;-------------------------------------------------------------------------------
; Additional tests to verify that we still optimize when having a mismatch
; in argument count due to varargs (as long as all non-variadic arguments have
; been provided),
define dso_local i16 @vararg_tests(i16 %a) {
; IS__TUNIT____: Function Attrs: norecurse
; IS__TUNIT____-LABEL: define {{[^@]+}}@vararg_tests
; IS__TUNIT____-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
; IS__TUNIT____-NEXT: [[CALL2:%.*]] = call i16 bitcast (i16 (i16, i16, ...)* @vararg_no_prop to i16 (i16)*)(i16 noundef 7)
; IS__TUNIT____-NEXT: [[ADD:%.*]] = add i16 7, [[CALL2]]
; IS__TUNIT____-NEXT: ret i16 [[ADD]]
;
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_tests
; IS__CGSCC_OPM-SAME: (i16 [[A:%.*]]) {
; IS__CGSCC_OPM-NEXT: [[CALL1:%.*]] = call i16 (i16, ...) @vararg_prop(i16 noundef 7, i16 noundef 8, i16 [[A]]) #[[ATTR1:[0-9]+]]
; IS__CGSCC_OPM-NEXT: [[CALL2:%.*]] = call i16 bitcast (i16 (i16, i16, ...)* @vararg_no_prop to i16 (i16)*)(i16 7)
; IS__CGSCC_OPM-NEXT: [[ADD:%.*]] = add i16 [[CALL1]], [[CALL2]]
; IS__CGSCC_OPM-NEXT: ret i16 [[ADD]]
;
; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind readnone
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@vararg_tests
; IS__CGSCC_NPM-SAME: (i16 [[A:%.*]]) #[[ATTR0]] {
; IS__CGSCC_NPM-NEXT: [[CALL1:%.*]] = call i16 (i16, ...) @vararg_prop(i16 noundef 7, i16 noundef 8, i16 [[A]]) #[[ATTR2:[0-9]+]]
; IS__CGSCC_NPM-NEXT: [[CALL2:%.*]] = call i16 bitcast (i16 (i16, i16, ...)* @vararg_no_prop to i16 (i16)*)(i16 7)
; IS__CGSCC_NPM-NEXT: [[ADD:%.*]] = add i16 [[CALL1]], [[CALL2]]
; IS__CGSCC_NPM-NEXT: ret i16 [[ADD]]
;
%call1 = call i16 (i16, ...) @vararg_prop(i16 7, i16 8, i16 %a)
%call2 = call i16 bitcast (i16 (i16, i16, ...) * @vararg_no_prop to i16 (i16) *) (i16 7)
%add = add i16 %call1, %call2
ret i16 %add
}
define internal i16 @vararg_prop(i16 %p1, ...) {
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_prop
; IS__CGSCC_OPM-SAME: (i16 [[P1:%.*]], ...) #[[ATTR0]] {
; IS__CGSCC_OPM-NEXT: ret i16 7
;
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@vararg_prop
; IS__CGSCC_NPM-SAME: (i16 [[P1:%.*]], ...) #[[ATTR1]] {
; IS__CGSCC_NPM-NEXT: ret i16 7
;
ret i16 %p1
}
define internal i16 @vararg_no_prop(i16 %p1, i16 %p2, ...) {
; NOT_CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_no_prop
; NOT_CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]], ...) #[[ATTR1]] {
; NOT_CGSCC_OPM-NEXT: ret i16 7
;
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_no_prop
; IS__CGSCC_OPM-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]], ...) #[[ATTR0]] {
; IS__CGSCC_OPM-NEXT: ret i16 7
;
ret i16 %p1
}
;.
; IS__TUNIT____: attributes #[[ATTR0]] = { norecurse }
; IS__TUNIT____: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn }
;.
; IS__CGSCC_OPM: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
; IS__CGSCC_OPM: attributes #[[ATTR1]] = { readnone willreturn }
;.
; IS__CGSCC_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind readnone }
; IS__CGSCC_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn }
; IS__CGSCC_NPM: attributes #[[ATTR2]] = { readnone willreturn }
;.
|
