1 // Only test codegen on target side, as private clause does not require any action on the host side
2 // Test target codegen - host bc file has to be created first.
3 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
4 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-64
5 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o %t %s
6 // RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-64
7 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm-bc %s -o %t-x86-host.bc
8 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-32
9 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o %t %s
10 // RUN: %clang_cc1 -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -std=c++11 -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-32
11
12 // expected-no-diagnostics
13 #ifndef HEADER
14 #define HEADER
15
16 template<typename tx, typename ty>
17 struct TT{
18 tx X;
19 ty Y;
20 };
21
22 // TCHECK: [[TT:%.+]] = type { i64, i8 }
23 // TCHECK: [[S1:%.+]] = type { double }
24
foo(int n)25 int foo(int n) {
26 int a = 0;
27 short aa = 0;
28 float b[10];
29 float bn[n];
30 double c[5][10];
31 double cn[5][n];
32 TT<long long, char> d;
33
34 #pragma omp target private(a)
35 {
36 }
37
38 // TCHECK: define void @__omp_offloading_{{.+}}()
39 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
40 // TCHECK-NOT: store {{.+}}, {{.+}} [[A]],
41 // TCHECK: ret void
42
43 #pragma omp target private(a)
44 {
45 a = 1;
46 }
47
48 // TCHECK: define void @__omp_offloading_{{.+}}()
49 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
50 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A]],
51 // TCHECK: ret void
52
53 #pragma omp target private(a, aa)
54 {
55 a = 1;
56 aa = 1;
57 }
58
59 // TCHECK: define void @__omp_offloading_{{.+}}()
60 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
61 // TCHECK: [[A2:%.+]] = alloca i{{[0-9]+}},
62 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A]],
63 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A2]],
64 // TCHECK: ret void
65
66 #pragma omp target private(a, b, bn, c, cn, d)
67 {
68 a = 1;
69 b[2] = 1.0;
70 bn[3] = 1.0;
71 c[1][2] = 1.0;
72 cn[1][3] = 1.0;
73 d.X = 1;
74 d.Y = 1;
75 }
76 // make sure that private variables are generated in all cases and that we use those instances for operations inside the
77 // target region
78 // TCHECK: define void @__omp_offloading_{{.+}}(i{{[0-9]+}} [[VLA:%.+]], i{{[0-9]+}} [[VLA1:%.+]], i{{[0-9]+}} [[VLA3:%.+]])
79 // TCHECK: [[VLA_ADDR:%.+]] = alloca i{{[0-9]+}},
80 // TCHECK: [[VLA_ADDR2:%.+]] = alloca i{{[0-9]+}},
81 // TCHECK: [[VLA_ADDR4:%.+]] = alloca i{{[0-9]+}},
82 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
83 // TCHECK: [[B:%.+]] = alloca [10 x float],
84 // TCHECK: [[SSTACK:%.+]] = alloca i8*,
85 // TCHECK: [[C:%.+]] = alloca [5 x [10 x double]],
86 // TCHECK: [[D:%.+]] = alloca [[TT]],
87 // TCHECK: store i{{[0-9]+}} [[VLA]], i{{[0-9]+}}* [[VLA_ADDR]],
88 // TCHECK: store i{{[0-9]+}} [[VLA1]], i{{[0-9]+}}* [[VLA_ADDR2]],
89 // TCHECK: store i{{[0-9]+}} [[VLA3]], i{{[0-9]+}}* [[VLA_ADDR4]],
90 // TCHECK: [[VLA_ADDR_REF:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR]],
91 // TCHECK: [[VLA_ADDR_REF2:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR2]],
92 // TCHECK: [[VLA_ADDR_REF4:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR4]],
93 // TCHECK: [[RET_STACK:%.+]] = call i8* @llvm.stacksave()
94 // TCHECK: store i8* [[RET_STACK]], i8** [[SSTACK]],
95 // TCHECK: [[VLA5:%.+]] = alloca float, i{{[0-9]+}} [[VLA_ADDR_REF]],
96 // TCHECK: [[VLA6_SIZE:%.+]] = mul{{.+}} i{{[0-9]+}} [[VLA_ADDR_REF2]], [[VLA_ADDR_REF4]]
97 // TCHECK: [[VLA6:%.+]] = alloca double, i{{[0-9]+}} [[VLA6_SIZE]],
98
99 // a = 1
100 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A]],
101
102 // b[2] = 1.0
103 // TCHECK: [[B_GEP:%.+]] = getelementptr inbounds [10 x float], [10 x float]* [[B]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
104 // TCHECK: store float 1.0{{.*}}, float* [[B_GEP]],
105
106 // bn[3] = 1.0
107 // TCHECK: [[BN_GEP:%.+]] = getelementptr inbounds float, float* [[VLA5]], i{{[0-9]+}} 3
108 // TCHECK: store float 1.0{{.*}}, float* [[BN_GEP]],
109
110 // c[1][2] = 1.0
111 // TCHECK: [[C_GEP1:%.+]] = getelementptr inbounds [5 x [10 x double]], [5 x [10 x double]]* [[C]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
112 // TCHECK: [[C_GEP2:%.+]] = getelementptr inbounds [10 x double], [10 x double]* [[C_GEP1]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
113 // TCHECK: store double 1.0{{.*}}, double* [[C_GEP2]],
114
115 // cn[1][3] = 1.0
116 // TCHECK: [[CN_IND:%.+]] = mul{{.+}} i{{[0-9]+}} 1, [[VLA_ADDR_REF4]]
117 // TCHECK: [[CN_GEP_IND:%.+]] = getelementptr inbounds double, double* [[VLA6]], i{{[0-9]+}} [[CN_IND]]
118 // TCHECK: [[CN_GEP_3:%.+]] = getelementptr inbounds double, double* [[CN_GEP_IND]], i{{[0-9]+}} 3
119 // TCHECK: store double 1.0{{.*}}, double* [[CN_GEP_3]],
120
121 // d.X = 1
122 // [[X_FIELD:%.+]] = getelementptr inbounds [[TT]] [[TT]]* [[D]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
123 // store i{{[0-9]+}} 1, i{{[0-9]+}}* [[X_FIELD]],
124
125 // d.Y = 1
126 // [[Y_FIELD:%.+]] = getelementptr inbounds [[TT]] [[TT]]* [[D]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
127 // store i{{[0-9]+}} 1, i{{[0-9]+}}* [[Y_FIELD]],
128
129 // finish
130 // [[RELOAD_SSTACK:%.+]] = load i8*, i8** [[SSTACK]],
131 // call ovid @llvm.stackrestore(i8* [[RELOAD_SSTACK]])
132 // ret void
133
134 return a;
135 }
136
137
138 template<typename tx>
ftemplate(int n)139 tx ftemplate(int n) {
140 tx a = 0;
141 short aa = 0;
142 tx b[10];
143
144 #pragma omp target private(a,aa,b)
145 {
146 a = 1;
147 aa = 1;
148 b[2] = 1;
149 }
150
151 return a;
152 }
153
154 static
fstatic(int n)155 int fstatic(int n) {
156 int a = 0;
157 short aa = 0;
158 char aaa = 0;
159 int b[10];
160
161 #pragma omp target private(a,aa,aaa,b)
162 {
163 a = 1;
164 aa = 1;
165 aaa = 1;
166 b[2] = 1;
167 }
168
169 return a;
170 }
171
172 // TCHECK: define void @__omp_offloading_{{.+}}()
173 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
174 // TCHECK: [[A2:%.+]] = alloca i{{[0-9]+}},
175 // TCHECK: [[A3:%.+]] = alloca i{{[0-9]+}},
176 // TCHECK: [[B:%.+]] = alloca [10 x i{{[0-9]+}}],
177 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A]],
178 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A2]],
179 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A3]],
180 // TCHECK: [[B_GEP:%.+]] = getelementptr inbounds [10 x i{{[0-9]+}}], [10 x i{{[0-9]+}}]* [[B]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
181 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[B_GEP]],
182 // TCHECK: ret void
183
184 struct S1 {
185 double a;
186
r1S1187 int r1(int n){
188 int b = n+1;
189 short int c[2][n];
190
191 #pragma omp target private(b,c)
192 {
193 this->a = (double)b + 1.5;
194 c[1][1] = ++a;
195 }
196
197 return c[1][1] + (int)b;
198 }
199
200 // TCHECK: define void @__omp_offloading_{{.+}}([[S1]]* [[TH:%.+]], i{{[0-9]+}} [[VLA:%.+]], i{{[0-9]+}} [[VLA1:%.+]])
201 // TCHECK: [[TH_ADDR:%.+]] = alloca [[S1]]*,
202 // TCHECK: [[VLA_ADDR:%.+]] = alloca i{{[0-9]+}},
203 // TCHECK: [[VLA_ADDR2:%.+]] = alloca i{{[0-9]+}},
204 // TCHECK: [[B:%.+]] = alloca i{{[0-9]+}},
205 // TCHECK: [[SSTACK:%.+]] = alloca i8*,
206 // TCHECK: store [[S1]]* [[TH]], [[S1]]** [[TH_ADDR]],
207 // TCHECK: store i{{[0-9]+}} [[VLA]], i{{[0-9]+}}* [[VLA_ADDR]],
208 // TCHECK: store i{{[0-9]+}} [[VLA1]], i{{[0-9]+}}* [[VLA_ADDR2]],
209 // TCHECK: [[TH_ADDR_REF:%.+]] = load [[S1]]*, [[S1]]** [[TH_ADDR]],
210 // TCHECK: [[VLA_ADDR_REF:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR]],
211 // TCHECK: [[VLA_ADDR_REF2:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR2]],
212 // TCHECK: [[RET_STACK:%.+]] = call i8* @llvm.stacksave()
213 // TCHECK: store i8* [[RET_STACK:%.+]], i8** [[SSTACK]],
214
215 // this->a = (double)b + 1.5;
216 // TCHECK: [[VLA_IND:%.+]] = mul{{.+}} i{{[0-9]+}} [[VLA_ADDR_REF]], [[VLA_ADDR_REF2]]
217 // TCHECK: [[VLA3:%.+]] = alloca i{{[0-9]+}}, i{{[0-9]+}} [[VLA_IND]],
218 // TCHECK: [[B_VAL:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[B]],
219 // TCHECK: [[B_CONV:%.+]] = sitofp i{{[0-9]+}} [[B_VAL]] to double
220 // TCHECK: [[NEW_A_VAL:%.+]] = fadd double [[B_CONV]], 1.5{{.+}}+00
221 // TCHECK: [[A_FIELD:%.+]] = getelementptr inbounds [[S1]], [[S1]]* [[TH_ADDR_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
222 // TCHECK: store double [[NEW_A_VAL]], double* [[A_FIELD]],
223
224 // c[1][1] = ++a;
225 // TCHECK: [[A_FIELD4:%.+]] = getelementptr inbounds [[S1]], [[S1]]* [[TH_ADDR_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
226 // TCHECK: [[A_FIELD4_VAL:%.+]] = load double, double* [[A_FIELD4]],
227 // TCHECK: [[A_FIELD_INC:%.+]] = fadd double [[A_FIELD4_VAL]], 1.0{{.+}}+00
228 // TCHECK: store double [[A_FIELD_INC]], double* [[A_FIELD4]],
229 // TCHECK: [[A_FIELD_INC_CONV:%.+]] = fptosi double [[A_FIELD_INC]] to i{{[0-9]+}}
230 // TCHECK: [[C_IND:%.+]] = mul{{.+}} i{{[0-9]+}} 1, [[VLA_ADDR_REF2]]
231 // TCHECK: [[C_1_REF:%.+]] = getelementptr inbounds i{{[0-9]+}}, i{{[0-9]+}}* [[VLA3]], i{{[0-9]+}} [[C_IND]]
232 // TCHECK: [[C_1_1_REF:%.+]] = getelementptr inbounds i{{[0-9]+}}, i{{[0-9]+}}* [[C_1_REF]], i{{[0-9]+}} 1
233 // TCHECK: store i{{[0-9]+}} [[A_FIELD_INC_CONV]], i{{[0-9]+}}* [[C_1_1_REF]],
234
235 // finish
236 // TCHECK: [[RELOAD_SSTACK:%.+]] = load i8*, i8** [[SSTACK]],
237 // TCHECK: call void @llvm.stackrestore(i8* [[RELOAD_SSTACK]])
238 // TCHECK: ret void
239 };
240
241
bar(int n)242 int bar(int n){
243 int a = 0;
244 a += foo(n);
245 S1 S;
246 a += S.r1(n);
247 a += fstatic(n);
248 a += ftemplate<int>(n);
249
250 return a;
251 }
252
253 // template
254 // TCHECK: define void @__omp_offloading_{{.+}}()
255 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}},
256 // TCHECK: [[A2:%.+]] = alloca i{{[0-9]+}},
257 // TCHECK: [[B:%.+]] = alloca [10 x i{{[0-9]+}}],
258 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A]],
259 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A2]],
260 // TCHECK: [[B_GEP:%.+]] = getelementptr inbounds [10 x i{{[0-9]+}}], [10 x i{{[0-9]+}}]* [[B]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
261 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[B_GEP]],
262 // TCHECK: ret void
263
264 #endif
265