xref: /llvm-project/clang/test/OpenMP/declare_target_codegen.cpp (revision 1d699bf2664d2a9e64024fd9eb87451d6360ea8c)
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-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 -emit-llvm %s -fopenmp-is-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-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-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-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-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 -emit-llvm %s -fopenmp-is-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-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: @aaa = external global i32,
33 // CHECK-DAG: @bbb = {{protected | }}global i32 0,
34 // CHECK-DAG: weak constant %struct.__tgt_offload_entry { ptr @bbb,
35 // CHECK-DAG: @ccc = external global i32,
36 // CHECK-DAG: @ddd = {{protected | }}global i32 0,
37 // CHECK-DAG: @hhh_decl_tgt_ref_ptr = weak global ptr null
38 // CHECK-DAG: @ggg_decl_tgt_ref_ptr = weak global ptr null
39 // CHECK-DAG: @fff_decl_tgt_ref_ptr = weak global ptr null
40 // CHECK-DAG: @eee_decl_tgt_ref_ptr = weak global ptr null
41 // CHECK-DAG: @{{.*}}maini1{{.*}}aaa = internal global i64 23,
42 // CHECK-DAG: @pair = {{.*}}addrspace(3) global %struct.PAIR undef
43 // CHECK-DAG: @_ZN2SS3SSSE ={{ protected | }}global i32 1,
44 // CHECK-DAG: @b ={{ protected | }}global i32 15,
45 // CHECK-DAG: @d ={{ protected | }}global i32 0,
46 // CHECK-DAG: @c = external global i32,
47 // CHECK-DAG: @globals ={{ protected | }}global %struct.S zeroinitializer,
48 // CHECK-DAG: [[STAT:@.+stat]] = internal global %struct.S zeroinitializer,
49 // CHECK-DAG: [[STAT_REF:@.+]] = internal constant ptr [[STAT]]
50 // CHECK-DAG: @out_decl_target ={{ protected | }}global i32 0,
51 // CHECK-DAG: @llvm.compiler.used = appending global [1 x ptr] [ptr [[STAT_REF]]],
52 
53 // CHECK-DAG: define {{.*}}i32 @{{.*}}{{foo|bar|baz2|baz3|FA|f_method}}{{.*}}()
54 // CHECK-DAG: define {{.*}}void @{{.*}}TemplateClass{{.*}}(ptr {{[^,]*}} %{{.*}})
55 // CHECK-DAG: define {{.*}}i32 @{{.*}}TemplateClass{{.*}}f_method{{.*}}(ptr {{[^,]*}} %{{.*}})
56 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}_globals_l[[@LINE+89]]_ctor()
57 
58 #ifndef HEADER
59 #define HEADER
60 
61 int dx = 0;
62 extern int dx;
63 #pragma omp declare target to(dx)
64 
65 int dy = 0;
66 #pragma omp begin declare target
67 
68 extern int dy;
69 #pragma omp end declare target
70 
71 #pragma omp declare target
72 bool flag [[clang::loader_uninitialized]];
73 extern int bbb;
74 #pragma omp end declare target
75 #pragma omp declare target
76 extern int bbb;
77 #pragma omp end declare target
78 
79 #pragma omp declare target
80 extern int aaa;
81 int bbb = 0;
82 extern int ccc;
83 int ddd = 0;
84 #pragma omp end declare target
85 
86 #pragma omp declare target
87 extern int bbb;
88 #pragma omp end declare target
89 
90 extern int eee;
91 int fff = 0;
92 extern int ggg;
93 int hhh = 0;
94 #pragma omp declare target link(eee, fff, ggg, hhh)
95 
96 int out_decl_target = 0;
97 #ifdef OMP5
98 #pragma omp declare target(out_decl_target)
99 #endif
100 
101 #pragma omp declare target
102 void lambda () {
103 #ifdef __cpp_lambdas
104   (void)[&] { (void)out_decl_target; };
105 #else
106 #pragma clang __debug captured
107   {
108     (void)out_decl_target;
109   }
110 #endif
111 };
112 #pragma omp end declare target
113 
114 template <typename T>
115 class TemplateClass {
116   T a;
117 public:
118   TemplateClass() {}
119   T f_method() const { return a; }
120 };
121 
122 int foo();
123 
124 static int baz1() { return 0; }
125 
126 int baz2();
127 
128 int baz4() { return 5; }
129 
130 template <typename T>
131 T FA() {
132   TemplateClass<T> s;
133   return s.f_method();
134 }
135 
136 #pragma omp declare target
137 struct S {
138   int a;
139   S(int a) : a(a) {}
140 };
141 
142 int foo() { return 0; }
143 int b = 15;
144 int d;
145 S globals(d);
146 static S stat(d);
147 #pragma omp end declare target
148 int c;
149 
150 int bar() { return 1 + foo() + bar() + baz1() + baz2(); }
151 
152 int maini1() {
153   int a;
154   static long aa = 32 + bbb + ccc + fff + ggg;
155 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}maini1{{.*}}_l[[@LINE+1]](ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.*}}, i64 {{.*}}, i64 {{.*}})
156 #pragma omp target map(tofrom \
157                        : a, b)
158   {
159     S s(a);
160     static long aaa = 23;
161     a = foo() + bar() + b + c + d + aa + aaa + FA<int>();
162   }
163   return baz4();
164 }
165 
166 int baz3() { return 2 + baz2(); }
167 int baz2() {
168 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}baz2{{.*}}_l[[@LINE+1]](i64 {{.*}})
169 #pragma omp target parallel
170   ++c;
171   return 2 + baz3();
172 }
173 
174 extern int create() throw();
175 
176 static __typeof(create) __t_create __attribute__((__weakref__("__create")));
177 
178 int baz5() {
179   bool a;
180 // CHECK-DAG: define weak_odr protected void @__omp_offloading_{{.*}}baz5{{.*}}_l[[@LINE+1]](i64 {{.*}})
181 #pragma omp target
182   a = __extension__(void *) & __t_create != 0;
183   return a;
184 }
185 
186 template <typename T>
187 struct Base {
188   virtual ~Base() {}
189 };
190 
191 template class Base<int>;
192 
193 template <typename T>
194 struct Bake {
195   virtual ~Bake() {}
196 };
197 
198 #pragma omp declare target
199 template class Bake<int>;
200 #pragma omp end declare target
201 
202 struct BaseNonT {
203   virtual ~BaseNonT() {}
204 };
205 
206 #pragma omp declare target
207 struct BakeNonT {
208   virtual ~BakeNonT() {}
209 };
210 #pragma omp end declare target
211 
212 template <typename T>
213 struct B {
214   virtual void virtual_foo();
215 };
216 
217 void new_bar() { new B<int>(); }
218 
219 template <typename T>
220 void B<T>::virtual_foo() {
221 #pragma omp target
222   {}
223 }
224 
225 struct A {
226   virtual void emitted() {}
227 };
228 
229 template <typename T>
230 struct C : public A {
231   virtual void emitted();
232 };
233 
234 template <typename T>
235 void C<T>::emitted() {
236 #pragma omp target
237   {}
238 }
239 
240 int main() {
241   A *X = new C<int>();
242   X->emitted();
243   return 0;
244 }
245 
246 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}virtual_foo{{.*}}_l[[@LINE-25]]()
247 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-11]]()
248 
249 template <typename T>
250 struct TTT {
251   virtual void emitted() {
252 #pragma omp target
253   {}
254   }
255 };
256 
257 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-5]]()
258 
259 // CHECK-DAG: declare extern_weak noundef signext i32 @__create()
260 
261 // CHECK-NOT: define {{.*}}{{baz1|baz4|maini1|Base|virtual_}}
262 
263 // CHECK-DAG: !{i32 1, !"aaa", i32 0, i32 {{[0-9]+}}}
264 // CHECK-DAG: !{i32 1, !"ccc", i32 0, i32 {{[0-9]+}}}
265 // CHECK-DAG: !{{{.+}}virtual_foo
266 
267 #ifdef OMP5
268 void host_fun() {}
269 #pragma omp declare target to(host_fun) device_type(host)
270 void device_fun() {}
271 #pragma omp declare target to(device_fun) device_type(nohost)
272 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
273 // HOST5: define {{.*}}void {{.*}}host_fun{{.*}}
274 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
275 
276 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
277 // DEV5: define {{.*}}void {{.*}}device_fun{{.*}}
278 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
279 #endif // OMP5
280 
281 struct PAIR {
282   int a;
283   int b;
284 };
285 
286 #pragma omp declare target
287 PAIR pair __attribute__((address_space(3), loader_uninitialized));
288 #pragma omp end declare target
289 
290 #endif // HEADER
291 
292 #ifdef LOAD
293 #pragma omp declare target
294 void new_bar1() {
295   TTT<int> *X = new TTT<int>();
296   X->emitted();
297 }
298 #pragma omp end declare target
299 
300 struct SS {
301 #pragma omp declare target
302   static int SSS;
303 #pragma omp end declare target
304 };
305 int SS::SSS = 1;
306 
307 #endif
308