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
|
// REQUIRES: x86-registered-target
// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o %t.nocuid.dev -x hip %s
// RUN: cat %t.nocuid.dev | FileCheck -check-prefixes=DEV,INT-DEV %s
// RUN: %clang_cc1 -triple x86_64-gnu-linux \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o %t.nocuid.host -x hip %s
// RUN: cat %t.nocuid.host | FileCheck -check-prefixes=HOST,INT-HOST %s
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -cuid=abc \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s > %t.dev
// RUN: cat %t.dev | FileCheck -check-prefixes=DEV,EXT-DEV %s
// RUN: %clang_cc1 -triple x86_64-gnu-linux -cuid=abc \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s > %t.host
// RUN: cat %t.host | FileCheck -check-prefixes=HOST,EXT-HOST %s
// Check host and device compilations use the same postfixes for static
// variable names.
// RUN: cat %t.dev %t.host | FileCheck -check-prefix=POSTFIX %s
// RUN: cat %t.nocuid.dev %t.nocuid.host | FileCheck -check-prefix=POSTFIX-ID %s
// Negative tests.
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s | FileCheck \
// RUN: -check-prefix=DEV-NEG %s
// RUN: %clang_cc1 -triple x86_64-gnu-linux \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s | FileCheck \
// RUN: -check-prefix=HOST-NEG %s
// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -cuid=abc \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s > %t.dev
// RUN: cat %t.dev | FileCheck -check-prefix=DEV-NEG %s
// RUN: %clang_cc1 -triple x86_64-gnu-linux -cuid=abc \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - -x hip %s > %t.host
// RUN: cat %t.host | FileCheck -check-prefix=HOST-NEG %s
// Check postfix for CUDA.
// RUN: %clang_cc1 -triple nvptx -fcuda-is-device -cuid=abc \
// RUN: -std=c++11 -fgpu-rdc -emit-llvm -o - %s | FileCheck \
// RUN: -check-prefixes=CUDA %s
#include "Inputs/cuda.h"
// Make sure we can still mangle with a line directive.
#line 0 "-"
// Test function scope static device variable, which should not be externalized.
// DEV-DAG: @_ZZ6kernelPiPPKiE1w = internal addrspace(4) constant i32 1
// HOST-DAG: @_ZL1x = internal global i32 undef
// HOST-DAG: @_ZL1y = internal global i32 undef
// Test normal static device variables
// INT-DEV-DAG: @_ZL1x[[FILEID:.*]] = addrspace(1) externally_initialized global i32 0
// INT-HOST-DAG: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"_ZL1x[[FILEID:.*]]\00"
// Test externalized static device variables
// EXT-DEV-DAG: @_ZL1x.static.[[HASH:.*]] = addrspace(1) externally_initialized global i32 0
// EXT-HOST-DAG: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"_ZL1x.static.[[HASH:.*]]\00"
// CUDA-DAG: @_ZL1x__static__[[HASH:.*]] = addrspace(1) externally_initialized global i32 0
// POSTFIX: @_ZL1x.static.[[HASH:.*]] = addrspace(1) externally_initialized global i32 0
// POSTFIX: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"_ZL1x.static.[[HASH]]\00"
// POSTFIX-ID: @_ZL1x.static.[[FILEID:.*]] = addrspace(1) externally_initialized global i32 0
// POSTFIX-ID: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"_ZL1x.static.[[FILEID]]\00"
static __device__ int x;
// Test static device variables not used by host code should not be externalized
// DEV-DAG: @_ZL2x2 = internal addrspace(1) global i32 0
static __device__ int x2;
// Test normal static device variables
// INT-DEV-DAG: @_ZL1y[[FILEID:.*]] = addrspace(4) externally_initialized global i32 0
// INT-HOST-DAG: @[[DEVNAMEY:[0-9]+]] = {{.*}}c"_ZL1y[[FILEID:.*]]\00"
// Test externalized static device variables
// EXT-DEV-DAG: @_ZL1y.static.[[HASH]] = addrspace(4) externally_initialized global i32 0
// EXT-HOST-DAG: @[[DEVNAMEY:[0-9]+]] = {{.*}}c"_ZL1y.static.[[HASH]]\00"
static __constant__ int y;
// Test static host variable, which should not be externalized nor registered.
// HOST-DAG: @_ZL1z = internal global i32 0
// DEV-NEG-NOT: @_ZL1z
static int z;
// Test non-ODR-use of static device variable is not emitted or registered.
// DEV-NEG-NOT: @_ZL1u
// HOST-NEG-NOT: @_ZL1u
static __device__ int u;
// Test static device variable in inline function, which should not be
// externalized nor registered.
// DEV-DAG: @_ZZ6devfunPPKiE1p = linkonce_odr addrspace(4) constant i32 2, comdat
inline __device__ void devfun(const int ** b) {
const static int p = 2;
b[0] = &p;
}
__global__ void kernel(int *a, const int **b) {
const static int w = 1;
a[0] = x;
a[1] = y;
a[2] = sizeof(u);
b[0] = &w;
b[1] = &x2;
devfun(b);
}
int* getDeviceSymbol(int *x);
void foo() {
getDeviceSymbol(&x);
getDeviceSymbol(&y);
z = 123;
decltype(u) tmp;
}
// HOST-DAG: __hipRegisterVar({{.*}}@_ZL1x, {{.*}}@[[DEVNAMEX]]
// HOST-DAG: __hipRegisterVar({{.*}}@_ZL1y, {{.*}}@[[DEVNAMEY]]
// HOST-NEG-NOT: __hipRegisterVar({{.*}}@_ZL2x2
// HOST-NEG-NOT: __hipRegisterVar({{.*}}@_ZZ6kernelPiPPKiE1w
// HOST-NEG-NOT: __hipRegisterVar({{.*}}@_ZZ6devfunPPKiE1p
// HOST-NEG-NOT: __hipRegisterVar({{.*}}@_ZL1u
|
