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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=4 -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
; Don't constant-propagate byval pointers, since they are not pointers!
; PR5038
%struct.MYstr = type { i8, i32 }
@mystr = internal global %struct.MYstr zeroinitializer ; <ptr> [#uses=3]
declare void @use(i8)
;.
; CHECK: @[[MYSTR:[a-zA-Z0-9_$"\\.-]+]] = internal global [[STRUCT_MYSTR:%.*]] zeroinitializer
;.
define internal void @vfu1(ptr byval(%struct.MYstr) align 4 %u) nounwind {
; CHECK: Function Attrs: nounwind
; CHECK-LABEL: define {{[^@]+}}@vfu1
; CHECK-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8
; CHECK-NEXT: store i8 [[TMP0]], ptr [[U_PRIV]], align 1
; CHECK-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i64 0, i32 1
; CHECK-NEXT: store i32 [[TMP1]], ptr [[U_PRIV_0_1]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i32 0, i32 1
; CHECK-NEXT: store i32 99, ptr [[TMP2]], align 4
; CHECK-NEXT: store i8 97, ptr [[U_PRIV]], align 8
; CHECK-NEXT: [[L:%.*]] = load i8, ptr [[U_PRIV]], align 8
; CHECK-NEXT: call void @use(i8 [[L]])
; CHECK-NEXT: br label [[RETURN:%.*]]
; CHECK: return:
; CHECK-NEXT: ret void
;
entry:
%0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]
store i32 99, ptr %0, align 4
%1 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]
store i8 97, ptr %1, align 4
%l = load i8, ptr %1
call void @use(i8 %l)
br label %return
return: ; preds = %entry
ret void
}
define internal i32 @vfu2(ptr byval(%struct.MYstr) align 4 %u) nounwind readonly {
; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
; CHECK-LABEL: define {{[^@]+}}@vfu2
; CHECK-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8
; CHECK-NEXT: store i8 [[TMP0]], ptr [[U_PRIV]], align 1
; CHECK-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i64 0, i32 1
; CHECK-NEXT: store i32 [[TMP1]], ptr [[U_PRIV_0_1]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i32 0, i32 1
; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[TMP2]], align 4
; CHECK-NEXT: [[TMP4:%.*]] = load i8, ptr [[U_PRIV]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = zext i8 [[TMP4]] to i32
; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP5]], [[TMP3]]
; CHECK-NEXT: ret i32 [[TMP6]]
;
entry:
%0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]
%1 = load i32, ptr %0
%2 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]
%3 = load i8, ptr %2
%4 = zext i8 %3 to i32
%5 = add i32 %4, %1
ret i32 %5
}
define i32 @unions() nounwind {
; CHECK: Function Attrs: nounwind
; CHECK-LABEL: define {{[^@]+}}@unions
; CHECK-SAME: () #[[ATTR0]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr @mystr, align 8
; CHECK-NEXT: [[MYSTR_0_1:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], ptr @mystr, i64 0, i32 1
; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[MYSTR_0_1]], align 8
; CHECK-NEXT: call void @vfu1(i8 [[TMP0]], i32 [[TMP1]]) #[[ATTR0]]
; CHECK-NEXT: [[TMP2:%.*]] = load i8, ptr @mystr, align 8
; CHECK-NEXT: [[MYSTR_0_11:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr @mystr, i64 0, i32 1
; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[MYSTR_0_11]], align 8
; CHECK-NEXT: [[RESULT:%.*]] = call i32 @vfu2(i8 [[TMP2]], i32 [[TMP3]]) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[RESULT]]
;
entry:
call void @vfu1(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
%result = call i32 @vfu2(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
ret i32 %result
}
define internal i32 @vfu2_v2(ptr byval(%struct.MYstr) align 4 %u) nounwind readonly {
; CHECK: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
; CHECK-LABEL: define {{[^@]+}}@vfu2_v2
; CHECK-SAME: (i8 [[TMP0:%.*]], i32 [[TMP1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[U_PRIV:%.*]] = alloca [[STRUCT_MYSTR:%.*]], align 8
; CHECK-NEXT: store i8 [[TMP0]], ptr [[U_PRIV]], align 1
; CHECK-NEXT: [[U_PRIV_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i64 0, i32 1
; CHECK-NEXT: store i32 [[TMP1]], ptr [[U_PRIV_0_1]], align 4
; CHECK-NEXT: [[Z:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i32 0, i32 1
; CHECK-NEXT: store i32 99, ptr [[Z]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U_PRIV]], i32 0, i32 1
; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[TMP2]], align 4
; CHECK-NEXT: [[TMP4:%.*]] = load i8, ptr [[U_PRIV]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = zext i8 [[TMP4]] to i32
; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP5]], [[TMP3]]
; CHECK-NEXT: ret i32 [[TMP6]]
;
entry:
%z = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1
store i32 99, ptr %z, align 4
%0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]
%1 = load i32, ptr %0
%2 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]
%3 = load i8, ptr %2
%4 = zext i8 %3 to i32
%5 = add i32 %4, %1
ret i32 %5
}
define i32 @unions_v2() nounwind {
; TUNIT: Function Attrs: nounwind
; TUNIT-LABEL: define {{[^@]+}}@unions_v2
; TUNIT-SAME: () #[[ATTR0]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[TMP0:%.*]] = load i8, ptr @mystr, align 8
; TUNIT-NEXT: [[MYSTR_0_11:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], ptr @mystr, i64 0, i32 1
; TUNIT-NEXT: [[TMP1:%.*]] = load i32, ptr [[MYSTR_0_11]], align 8
; TUNIT-NEXT: call void @vfu1(i8 [[TMP0]], i32 [[TMP1]]) #[[ATTR0]]
; TUNIT-NEXT: [[TMP2:%.*]] = load i8, ptr @mystr, align 8
; TUNIT-NEXT: [[MYSTR_0_1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr @mystr, i64 0, i32 1
; TUNIT-NEXT: [[TMP3:%.*]] = load i32, ptr [[MYSTR_0_1]], align 8
; TUNIT-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(i8 [[TMP2]], i32 [[TMP3]]) #[[ATTR0]]
; TUNIT-NEXT: ret i32 [[RESULT]]
;
; CGSCC: Function Attrs: nounwind
; CGSCC-LABEL: define {{[^@]+}}@unions_v2
; CGSCC-SAME: () #[[ATTR0]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: call void @vfu1(i8 noundef 0, i32 noundef 0) #[[ATTR0]]
; CGSCC-NEXT: [[RESULT:%.*]] = call i32 @vfu2_v2(i8 noundef 0, i32 noundef 0) #[[ATTR0]]
; CGSCC-NEXT: ret i32 [[RESULT]]
;
entry:
call void @vfu1(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
%result = call i32 @vfu2_v2(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
ret i32 %result
}
;.
; CHECK: attributes #[[ATTR0]] = { nounwind }
; CHECK: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(argmem: read) }
;.
|
