aboutsummaryrefslogtreecommitdiff
path: root/clang/test/CodeGenOpenCL/amdgcn-automatic-variable.cl
blob: af50928d8ecf03faa1e17921e767616887dd8d0f (plain)
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
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
// RUN: %clang_cc1 -O0 -cl-std=CL1.2 -triple amdgcn-amd-amdhsa -emit-llvm %s -o - | FileCheck -check-prefixes=CL12 %s
// RUN: %clang_cc1 -O0 -cl-std=CL2.0 -triple amdgcn-amd-amdhsa -emit-llvm %s -o - | FileCheck -check-prefixes=CL20 %s

// CL12-LABEL: define dso_local void @func1(
// CL12-SAME: ptr addrspace(5) noundef [[X:%.*]]) #[[ATTR0:[0-9]+]] {
// CL12-NEXT:  [[ENTRY:.*:]]
// CL12-NEXT:    [[X_ADDR:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL12-NEXT:    store ptr addrspace(5) [[X]], ptr addrspace(5) [[X_ADDR]], align 4
// CL12-NEXT:    [[TMP0:%.*]] = load ptr addrspace(5), ptr addrspace(5) [[X_ADDR]], align 4
// CL12-NEXT:    store i32 1, ptr addrspace(5) [[TMP0]], align 4
// CL12-NEXT:    ret void
//
// CL20-LABEL: define dso_local void @func1(
// CL20-SAME: ptr noundef [[X:%.*]]) #[[ATTR0:[0-9]+]] {
// CL20-NEXT:  [[ENTRY:.*:]]
// CL20-NEXT:    [[X_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
// CL20-NEXT:    [[X_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[X_ADDR]] to ptr
// CL20-NEXT:    store ptr [[X]], ptr [[X_ADDR_ASCAST]], align 8
// CL20-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[X_ADDR_ASCAST]], align 8
// CL20-NEXT:    store i32 1, ptr [[TMP0]], align 4
// CL20-NEXT:    ret void
//
void func1(int *x) {
  *x = 1;
}

// CL12-LABEL: define dso_local void @func2(
// CL12-SAME: ) #[[ATTR0]] {
// CL12-NEXT:  [[ENTRY:.*:]]
// CL12-NEXT:    [[LV1:%.*]] = alloca i32, align 4, addrspace(5)
// CL12-NEXT:    [[LV2:%.*]] = alloca i32, align 4, addrspace(5)
// CL12-NEXT:    [[LA:%.*]] = alloca [100 x i32], align 4, addrspace(5)
// CL12-NEXT:    [[LP1:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL12-NEXT:    [[LP2:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL12-NEXT:    [[LVC:%.*]] = alloca i32, align 4, addrspace(5)
// CL12-NEXT:    store i32 1, ptr addrspace(5) [[LV1]], align 4
// CL12-NEXT:    store i32 2, ptr addrspace(5) [[LV2]], align 4
// CL12-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [100 x i32], ptr addrspace(5) [[LA]], i64 0, i64 0
// CL12-NEXT:    store i32 3, ptr addrspace(5) [[ARRAYIDX]], align 4
// CL12-NEXT:    store ptr addrspace(5) [[LV1]], ptr addrspace(5) [[LP1]], align 4
// CL12-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [100 x i32], ptr addrspace(5) [[LA]], i64 0, i64 0
// CL12-NEXT:    store ptr addrspace(5) [[ARRAYDECAY]], ptr addrspace(5) [[LP2]], align 4
// CL12-NEXT:    call void @func1(ptr addrspace(5) noundef [[LV1]]) #[[ATTR2:[0-9]+]]
// CL12-NEXT:    store i32 4, ptr addrspace(5) [[LVC]], align 4
// CL12-NEXT:    store i32 4, ptr addrspace(5) [[LV1]], align 4
// CL12-NEXT:    ret void
//
// CL20-LABEL: define dso_local void @func2(
// CL20-SAME: ) #[[ATTR0]] {
// CL20-NEXT:  [[ENTRY:.*:]]
// CL20-NEXT:    [[LV1:%.*]] = alloca i32, align 4, addrspace(5)
// CL20-NEXT:    [[LV2:%.*]] = alloca i32, align 4, addrspace(5)
// CL20-NEXT:    [[LA:%.*]] = alloca [100 x i32], align 4, addrspace(5)
// CL20-NEXT:    [[LP1:%.*]] = alloca ptr, align 8, addrspace(5)
// CL20-NEXT:    [[LP2:%.*]] = alloca ptr, align 8, addrspace(5)
// CL20-NEXT:    [[LVC:%.*]] = alloca i32, align 4, addrspace(5)
// CL20-NEXT:    store i32 1, ptr addrspace(5) [[LV1]], align 4
// CL20-NEXT:    store i32 2, ptr addrspace(5) [[LV2]], align 4
// CL20-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [100 x i32], ptr addrspace(5) [[LA]], i64 0, i64 0
// CL20-NEXT:    store i32 3, ptr addrspace(5) [[ARRAYIDX]], align 4
// CL20-NEXT:    [[LV1_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[LV1]] to ptr
// CL20-NEXT:    store ptr [[LV1_ASCAST]], ptr addrspace(5) [[LP1]], align 8
// CL20-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [100 x i32], ptr addrspace(5) [[LA]], i64 0, i64 0
// CL20-NEXT:    [[ARRAYDECAY_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[ARRAYDECAY]] to ptr
// CL20-NEXT:    store ptr [[ARRAYDECAY_ASCAST]], ptr addrspace(5) [[LP2]], align 8
// CL20-NEXT:    [[LV1_ASCAST1:%.*]] = addrspacecast ptr addrspace(5) [[LV1]] to ptr
// CL20-NEXT:    call void @func1(ptr noundef [[LV1_ASCAST1]]) #[[ATTR2:[0-9]+]]
// CL20-NEXT:    store i32 4, ptr addrspace(5) [[LVC]], align 4
// CL20-NEXT:    store i32 4, ptr addrspace(5) [[LV1]], align 4
// CL20-NEXT:    ret void
//
void func2(void) {
  int lv1;
  lv1 = 1;
  int lv2 = 2;

  int la[100];
  la[0] = 3;

  int *lp1 = &lv1;

  int *lp2 = la;

  func1(&lv1);

  const int lvc = 4;
  lv1 = lvc;
}

// CL12-LABEL: define dso_local void @func3(
// CL12-SAME: ) #[[ATTR0]] {
// CL12-NEXT:  [[ENTRY:.*:]]
// CL12-NEXT:    [[A:%.*]] = alloca [16 x [1 x float]], align 4, addrspace(5)
// CL12-NEXT:    call void @llvm.memset.p5.i64(ptr addrspace(5) align 4 [[A]], i8 0, i64 64, i1 false)
// CL12-NEXT:    ret void
//
// CL20-LABEL: define dso_local void @func3(
// CL20-SAME: ) #[[ATTR0]] {
// CL20-NEXT:  [[ENTRY:.*:]]
// CL20-NEXT:    [[A:%.*]] = alloca [16 x [1 x float]], align 4, addrspace(5)
// CL20-NEXT:    call void @llvm.memset.p5.i64(ptr addrspace(5) align 4 [[A]], i8 0, i64 64, i1 false)
// CL20-NEXT:    ret void
//
void func3(void) {
  float a[16][1] = {{0.}};
}

// CL12-LABEL: define dso_local void @wrong_store_type_private_pointer_alloca(
// CL12-SAME: ) #[[ATTR0]] {
// CL12-NEXT:  [[ENTRY:.*:]]
// CL12-NEXT:    [[VAR:%.*]] = alloca i64, align 8, addrspace(5)
// CL12-NEXT:    [[ALLOCA_ADDR:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL12-NEXT:    store i64 5, ptr addrspace(5) [[VAR]], align 8
// CL12-NEXT:    store ptr addrspace(5) [[VAR]], ptr addrspace(5) [[ALLOCA_ADDR]], align 4
// CL12-NEXT:    [[TMP0:%.*]] = load ptr addrspace(5), ptr addrspace(5) [[ALLOCA_ADDR]], align 4
// CL12-NEXT:    store i64 8, ptr addrspace(5) [[TMP0]], align 8
// CL12-NEXT:    ret void
//
// CL20-LABEL: define dso_local void @wrong_store_type_private_pointer_alloca(
// CL20-SAME: ) #[[ATTR0]] {
// CL20-NEXT:  [[ENTRY:.*:]]
// CL20-NEXT:    [[VAR:%.*]] = alloca i64, align 8, addrspace(5)
// CL20-NEXT:    [[ALLOCA_ADDR:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL20-NEXT:    store i64 5, ptr addrspace(5) [[VAR]], align 8
// CL20-NEXT:    store ptr addrspace(5) [[VAR]], ptr addrspace(5) [[ALLOCA_ADDR]], align 4
// CL20-NEXT:    [[TMP0:%.*]] = load ptr addrspace(5), ptr addrspace(5) [[ALLOCA_ADDR]], align 4
// CL20-NEXT:    store i64 8, ptr addrspace(5) [[TMP0]], align 8
// CL20-NEXT:    ret void
//
void wrong_store_type_private_pointer_alloca() {
  long var = 5;

  // This needs to write an addrspace(5) pointer to the temporary alloca,
  // which should be allocated with the correct size.
  __private long *alloca_addr = &var;
  *alloca_addr = 8;
}

// CL12-LABEL: define dso_local void @wrong_store_type_private_pointer_as_generic_alloca(
// CL12-SAME: ) #[[ATTR0]] {
// CL12-NEXT:  [[ENTRY:.*:]]
// CL12-NEXT:    [[VAR:%.*]] = alloca i64, align 8, addrspace(5)
// CL12-NEXT:    [[ALLOCA_ADDR_AS_GENERIC:%.*]] = alloca ptr addrspace(5), align 4, addrspace(5)
// CL12-NEXT:    store i64 5, ptr addrspace(5) [[VAR]], align 8
// CL12-NEXT:    store ptr addrspace(5) [[VAR]], ptr addrspace(5) [[ALLOCA_ADDR_AS_GENERIC]], align 4
// CL12-NEXT:    [[TMP0:%.*]] = load ptr addrspace(5), ptr addrspace(5) [[ALLOCA_ADDR_AS_GENERIC]], align 4
// CL12-NEXT:    store i64 9, ptr addrspace(5) [[TMP0]], align 8
// CL12-NEXT:    ret void
//
// CL20-LABEL: define dso_local void @wrong_store_type_private_pointer_as_generic_alloca(
// CL20-SAME: ) #[[ATTR0]] {
// CL20-NEXT:  [[ENTRY:.*:]]
// CL20-NEXT:    [[VAR:%.*]] = alloca i64, align 8, addrspace(5)
// CL20-NEXT:    [[ALLOCA_ADDR_AS_GENERIC:%.*]] = alloca ptr, align 8, addrspace(5)
// CL20-NEXT:    store i64 5, ptr addrspace(5) [[VAR]], align 8
// CL20-NEXT:    [[VAR_ASCAST:%.*]] = addrspacecast ptr addrspace(5) [[VAR]] to ptr
// CL20-NEXT:    store ptr [[VAR_ASCAST]], ptr addrspace(5) [[ALLOCA_ADDR_AS_GENERIC]], align 8
// CL20-NEXT:    [[TMP0:%.*]] = load ptr, ptr addrspace(5) [[ALLOCA_ADDR_AS_GENERIC]], align 8
// CL20-NEXT:    store i64 9, ptr [[TMP0]], align 8
// CL20-NEXT:    ret void
//
void wrong_store_type_private_pointer_as_generic_alloca() {
  long var = 5;

  // This needs to write an addrspace(0) pointer to the temporary alloca in
  // CL2.0, which should be allocated with the correct size.
  long *alloca_addr_as_generic = &var;
  *alloca_addr_as_generic = 9;
}