xref: /llvm-project/clang/test/OpenMP/declare_target_codegen.cpp (revision 13dcc95dcd4999ff99f2de89d881f1aed5b21709)
1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc -DLOAD
2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DLOAD | FileCheck %s
3 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -x c++ -triple powerpc64le-unknown-unknown %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -emit-pch -o %t
4 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -o - -DLOAD | FileCheck %s
5 
6 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - -DOMP5 | FileCheck %s --check-prefix HOST5
7 // 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 -DOMP5
8 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DOMP5 | FileCheck %s --check-prefix DEV5
9 
10 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -o - -DOMP5 | FileCheck %s --check-prefix KMPC-ONLY
11 
12 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - -DOMP5 | FileCheck %s --check-prefix SIMD-ONLY
13 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc -DOMP5
14 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DOMP5 | FileCheck %s --check-prefix SIMD-ONLY
15 
16 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc -fopenmp-version=45
17 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -fopenmp-version=45 | FileCheck %s --check-prefix SIMD-ONLY
18 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -emit-pch -o %t -fopenmp-version=45
19 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple powerpc64le-unknown-unknown -emit-llvm %s -fopenmp-is-target-device -fvisibility=protected -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify -o - -fopenmp-version=45 | FileCheck %s --check-prefix SIMD-ONLY
20 
21 // expected-no-diagnostics
22 
23 // SIMD-ONLY-NOT: {{__kmpc|__tgt}}
24 // KMPC-ONLY-NOT: __tgt
25 
26 // CHECK-NOT: define {{.*}}{{baz1|baz4|maini1|Base|virtual_}}
27 // CHECK-DAG: Bake
28 // CHECK-NOT: @{{hhh|ggg|fff|eee}} =
29 // CHECK-DAG: @flag = protected global i8 undef,
30 // CHECK-DAG: @dx = {{protected | }}global i32 0,
31 // CHECK-DAG: @dy = {{protected | }}global i32 0,
32 // CHECK-DAG: @bbb = {{protected | }}global i32 0,
33 // CHECK-DAG: weak constant %struct.__tgt_offload_entry {
34 // CHECK-DAG: @ccc = external global i32,
35 // CHECK-DAG: @ddd = {{protected | }}global i32 0,
36 // CHECK-DAG: @hhh_decl_tgt_ref_ptr = weak global ptr null
37 // CHECK-DAG: @ggg_decl_tgt_ref_ptr = weak global ptr null
38 // CHECK-DAG: @fff_decl_tgt_ref_ptr = weak global ptr null
39 // CHECK-DAG: @eee_decl_tgt_ref_ptr = weak global ptr null
40 // CHECK-DAG: @{{.*}}maini1{{.*}}aaa = internal global i64 23,
41 // CHECK-DAG: @pair = {{.*}}addrspace(3) global %struct.PAIR undef
42 // CHECK-DAG: @_ZN2SS3SSSE ={{ protected | }}global i32 1,
43 // CHECK-DAG: @b ={{ protected | }}global i32 15,
44 // CHECK-DAG: @d ={{ protected | }}global i32 0,
45 // CHECK-DAG: @c = external global i32,
46 // CHECK-DAG: @globals ={{ protected | }}global %struct.S zeroinitializer,
47 // CHECK-DAG: [[STAT:@.+stat]] = internal global %struct.S zeroinitializer,
48 // CHECK-DAG: [[STAT_REF:@.+]] = internal constant ptr [[STAT]]
49 // CHECK-DAG: @out_decl_target ={{ protected | }}global i32 0,
50 // CHECK-DAG: @llvm.compiler.used = appending global [1 x ptr] [ptr [[STAT_REF]]],
51 
52 // CHECK-DAG: define {{.*}}i32 @{{.*}}{{foo|bar|baz2|baz3|FA|f_method}}{{.*}}()
53 // CHECK-DAG: define {{.*}}void @{{.*}}TemplateClass{{.*}}(ptr {{[^,]*}} %{{.*}})
54 // CHECK-DAG: define {{.*}}i32 @{{.*}}TemplateClass{{.*}}f_method{{.*}}(ptr {{[^,]*}} %{{.*}})
55 
56 #ifndef HEADER
57 #define HEADER
58 
59 int dx = 0;
60 extern int dx;
61 #pragma omp declare target to(dx)
62 
63 int dy = 0;
64 #pragma omp begin declare target
65 
66 extern int dy;
67 #pragma omp end declare target
68 
69 #pragma omp declare target
70 bool flag [[clang::loader_uninitialized]];
71 extern int bbb;
72 #pragma omp end declare target
73 #pragma omp declare target
74 extern int bbb;
75 #pragma omp end declare target
76 
77 #pragma omp declare target
78 extern int aaa;
79 int bbb = 0;
80 extern int ccc;
81 int ddd = ccc;
82 #pragma omp end declare target
83 
84 #pragma omp declare target
85 extern int bbb;
86 #pragma omp end declare target
87 
88 extern int eee;
89 int fff = 0;
90 extern int ggg;
91 int hhh = 0;
92 #pragma omp declare target link(eee, fff, ggg, hhh)
93 
94 int out_decl_target = 0;
95 #ifdef OMP5
96 #pragma omp declare target(out_decl_target)
97 #endif
98 
99 #pragma omp declare target
100 void lambda () {
101 #ifdef __cpp_lambdas
102   (void)[&] { (void)out_decl_target; };
103 #else
104 #pragma clang __debug captured
105   {
106     (void)out_decl_target;
107   }
108 #endif
109 };
110 #pragma omp end declare target
111 
112 template <typename T>
113 class TemplateClass {
114   T a;
115 public:
116   TemplateClass() {}
117   T f_method() const { return a; }
118 };
119 
120 int foo();
121 
122 static int baz1() { return 0; }
123 
124 int baz2();
125 
126 int baz4() { return 5; }
127 
128 template <typename T>
129 T FA() {
130   TemplateClass<T> s;
131   return s.f_method();
132 }
133 
134 #pragma omp declare target
135 struct S {
136   int a;
137   S(int a) : a(a) {}
138 };
139 
140 int foo() { return 0; }
141 int b = 15;
142 int d;
143 S globals(d);
144 static S stat(d);
145 #pragma omp end declare target
146 int c;
147 
148 int bar() { return 1 + foo() + bar() + baz1() + baz2(); }
149 
150 int maini1() {
151   int a;
152   static long aa = 32 + bbb + ccc + fff + ggg;
153 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}maini1{{.*}}_l[[@LINE+1]](ptr {{.*}}, ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.*}}, i64 {{.*}}, i64 {{.*}})
154 #pragma omp target map(tofrom \
155                        : a, b)
156   {
157     S s(a);
158     static long aaa = 23;
159     a = foo() + bar() + b + c + d + aa + aaa + FA<int>();
160   }
161   return baz4();
162 }
163 
164 int baz3() { return 2 + baz2(); }
165 int baz2() {
166 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}baz2{{.*}}_l[[@LINE+1]](ptr {{.*}}, i64 {{.*}})
167 #pragma omp target parallel
168   ++c;
169   return 2 + baz3();
170 }
171 
172 extern int create() throw();
173 
174 static __typeof(create) __t_create __attribute__((__weakref__("__create")));
175 
176 int baz5() {
177   bool a;
178 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}baz5{{.*}}_l[[@LINE+1]](ptr {{.*}}, i64 {{.*}})
179 #pragma omp target
180   a = __extension__(void *) & __t_create != 0;
181   return a;
182 }
183 
184 template <typename T>
185 struct Base {
186   virtual ~Base() {}
187 };
188 
189 template class Base<int>;
190 
191 template <typename T>
192 struct Bake {
193   virtual ~Bake() {}
194 };
195 
196 #pragma omp declare target
197 template class Bake<int>;
198 #pragma omp end declare target
199 
200 struct BaseNonT {
201   virtual ~BaseNonT() {}
202 };
203 
204 #pragma omp declare target
205 struct BakeNonT {
206   virtual ~BakeNonT() {}
207 };
208 #pragma omp end declare target
209 
210 template <typename T>
211 struct B {
212   virtual void virtual_foo();
213 };
214 
215 void new_bar() { new B<int>(); }
216 
217 template <typename T>
218 void B<T>::virtual_foo() {
219 #pragma omp target
220   {}
221 }
222 
223 struct A {
224   virtual void emitted() {}
225 };
226 
227 template <typename T>
228 struct C : public A {
229   virtual void emitted();
230 };
231 
232 template <typename T>
233 void C<T>::emitted() {
234 #pragma omp target
235   {}
236 }
237 
238 int main() {
239   A *X = new C<int>();
240   X->emitted();
241   return 0;
242 }
243 
244 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}virtual_foo{{.*}}_l[[@LINE-25]](ptr {{.*}})
245 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-11]](ptr {{.*}})
246 
247 template <typename T>
248 struct TTT {
249   virtual void emitted() {
250 #pragma omp target
251   {}
252   }
253 };
254 
255 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-5]](ptr {{.*}})
256 
257 // CHECK-DAG: declare extern_weak noundef signext i32 @__create()
258 
259 // CHECK-NOT: define {{.*}}{{baz1|baz4|maini1|Base|virtual_}}
260 
261 // CHECK-DAG: !{{{.+}}virtual_foo
262 
263 #ifdef OMP5
264 void host_fun() {}
265 #pragma omp declare target to(host_fun) device_type(host)
266 void device_fun() {}
267 #pragma omp declare target to(device_fun) device_type(nohost)
268 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
269 // HOST5: define {{.*}}void {{.*}}host_fun{{.*}}
270 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
271 
272 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
273 // DEV5: define {{.*}}void {{.*}}device_fun{{.*}}
274 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
275 #endif // OMP5
276 
277 struct PAIR {
278   int a;
279   int b;
280 };
281 
282 #pragma omp declare target
283 PAIR pair __attribute__((address_space(3), loader_uninitialized));
284 #pragma omp end declare target
285 
286 #endif // HEADER
287 
288 #ifdef LOAD
289 #pragma omp declare target
290 void new_bar1() {
291   TTT<int> *X = new TTT<int>();
292   X->emitted();
293 }
294 #pragma omp end declare target
295 
296 struct SS {
297 #pragma omp declare target
298   static int SSS;
299 #pragma omp end declare target
300 };
301 int SS::SSS = 1;
302 
303 #endif
304