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
|
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
typedef double * __attribute__((align_value(64))) aligned_double;
// CHECK-LABEL: @_Z3fooPdS_Rd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[Y_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: [[Z_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: store ptr [[Y:%.*]], ptr [[Y_ADDR]], align 8
// CHECK-NEXT: store ptr [[Z:%.*]], ptr [[Z_ADDR]], align 8
// CHECK-NEXT: ret void
//
void foo(aligned_double x, double * y __attribute__((align_value(32))),
double & z __attribute__((align_value(128)))) { };
struct ad_struct {
aligned_double a;
};
// CHECK-LABEL: @_Z3fooR9ad_struct(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_AD_STRUCT:%.*]], ptr [[TMP0]], i32 0, i32 0
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[A]], align 8
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
// CHECK-NEXT: ret ptr [[TMP1]]
//
double *foo(ad_struct& x) {
return x.a;
}
// CHECK-LABEL: @_Z3gooP9ad_struct(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_AD_STRUCT:%.*]], ptr [[TMP0]], i32 0, i32 0
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[A]], align 8
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
// CHECK-NEXT: ret ptr [[TMP1]]
//
double *goo(ad_struct *x) {
return x->a;
}
// CHECK-LABEL: @_Z3barPPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
// CHECK-NEXT: ret ptr [[TMP1]]
//
double *bar(aligned_double *x) {
return *x;
}
// CHECK-LABEL: @_Z3carRPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
// CHECK-NEXT: ret ptr [[TMP1]]
//
double *car(aligned_double &x) {
return x;
}
// CHECK-LABEL: @_Z3darPPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds ptr, ptr [[TMP0]], i64 5
// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[ARRAYIDX]], align 8
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[TMP1]], i64 64) ]
// CHECK-NEXT: ret ptr [[TMP1]]
//
double *dar(aligned_double *x) {
return x[5];
}
aligned_double eep();
// CHECK-LABEL: @_Z3retv(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call noundef ptr @_Z3eepv()
// CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[CALL]], i64 64) ]
// CHECK-NEXT: ret ptr [[CALL]]
//
double *ret() {
return eep();
}
// CHECK-LABEL: @_Z3no1PPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: ret ptr [[TMP0]]
//
double **no1(aligned_double *x) {
return x;
}
// CHECK-LABEL: @_Z3no2RPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: ret ptr [[TMP0]]
//
double *&no2(aligned_double &x) {
return x;
}
// CHECK-LABEL: @_Z3no3RPd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: ret ptr [[TMP0]]
//
double **no3(aligned_double &x) {
return &x;
}
// CHECK-LABEL: @_Z3no3Pd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP1:%.*]] = load double, ptr [[TMP0]], align 8
// CHECK-NEXT: ret double [[TMP1]]
//
double no3(aligned_double x) {
return *x;
}
// CHECK-LABEL: @_Z3no4Pd(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT: store ptr [[X:%.*]], ptr [[X_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[X_ADDR]], align 8
// CHECK-NEXT: ret ptr [[TMP0]]
//
double *no4(aligned_double x) {
return x;
}
|
