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
|
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2
// RUN: %clang_cc1 -triple x86_64-linux-gnu -O2 -emit-llvm -o - %s | FileCheck %s
struct Tail {
~Tail();
int a : 16;
int b : 8;
};
struct Char {
int a : 16;
int b : 8;
char c;
};
struct Int {
int a : 16;
int b : 8;
int c;
};
// CHECK-LABEL: define dso_local void @_Z1AP4Tail
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i16, ptr [[P]], align 4
// CHECK-NEXT: [[INC:%.*]] = add i16 [[BF_LOAD]], 1
// CHECK-NEXT: store i16 [[INC]], ptr [[P]], align 4
// CHECK-NEXT: ret void
//
void A (Tail *p) {
p->a++;
}
// CHECK-LABEL: define dso_local void @_Z1BP4Tail
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[B:%.*]] = getelementptr inbounds nuw i8, ptr [[P]], i64 2
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i8, ptr [[B]], align 2
// CHECK-NEXT: [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// CHECK-NEXT: store i8 [[INC]], ptr [[B]], align 2
// CHECK-NEXT: ret void
//
void B (Tail *p) {
p->b++;
}
// CHECK-LABEL: define dso_local void @_Z1AP4Char
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i16, ptr [[P]], align 4
// CHECK-NEXT: [[INC:%.*]] = add i16 [[BF_LOAD]], 1
// CHECK-NEXT: store i16 [[INC]], ptr [[P]], align 4
// CHECK-NEXT: ret void
//
void A (Char *p) {
p->a++;
}
// CHECK-LABEL: define dso_local void @_Z1BP4Char
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[B:%.*]] = getelementptr inbounds nuw i8, ptr [[P]], i64 2
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i8, ptr [[B]], align 2
// CHECK-NEXT: [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// CHECK-NEXT: store i8 [[INC]], ptr [[B]], align 2
// CHECK-NEXT: ret void
//
void B (Char *p) {
p->b++;
}
// CHECK-LABEL: define dso_local void @_Z1AP3Int
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i32, ptr [[P]], align 4
// CHECK-NEXT: [[INC:%.*]] = add i32 [[BF_LOAD]], 1
// CHECK-NEXT: [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// CHECK-NEXT: [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65536
// CHECK-NEXT: [[BF_SET:%.*]] = or disjoint i32 [[BF_VALUE]], [[BF_CLEAR]]
// CHECK-NEXT: store i32 [[BF_SET]], ptr [[P]], align 4
// CHECK-NEXT: ret void
//
void A (Int *p) {
p->a++;
}
// CHECK-LABEL: define dso_local void @_Z1BP3Int
// CHECK-SAME: (ptr noundef captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[BF_LOAD:%.*]] = load i32, ptr [[P]], align 4
// CHECK-NEXT: [[BF_VALUE:%.*]] = add i32 [[BF_LOAD]], 65536
// CHECK-NEXT: [[BF_SHL2:%.*]] = and i32 [[BF_VALUE]], 16711680
// CHECK-NEXT: [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16711681
// CHECK-NEXT: [[BF_SET:%.*]] = or disjoint i32 [[BF_SHL2]], [[BF_CLEAR]]
// CHECK-NEXT: store i32 [[BF_SET]], ptr [[P]], align 4
// CHECK-NEXT: ret void
//
void B (Int *p) {
p->b++;
}
|
