xref: /llvm-project/clang/test/OpenMP/declare_target_codegen.cpp (revision b9f67d44ba37f3012f892a65550ec941f13626c0)
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: @aaa = external global i32,
31 // CHECK-DAG: @bbb ={{ protected | }}global i32 0,
32 // CHECK-DAG: weak constant %struct.__tgt_offload_entry { i8* bitcast (i32* @bbb to i8*),
33 // CHECK-DAG: @ccc = external global i32,
34 // CHECK-DAG: @ddd ={{ protected | }}global i32 0,
35 // CHECK-DAG: @hhh_decl_tgt_ref_ptr = weak global i32* null
36 // CHECK-DAG: @ggg_decl_tgt_ref_ptr = weak global i32* null
37 // CHECK-DAG: @fff_decl_tgt_ref_ptr = weak global i32* null
38 // CHECK-DAG: @eee_decl_tgt_ref_ptr = weak global i32* null
39 // CHECK-DAG: @{{.*}}maini1{{.*}}aaa = internal global i64 23,
40 // CHECK-DAG: @pair = {{.*}}addrspace(3) global %struct.PAIR undef
41 // CHECK-DAG: @_ZN2SS3SSSE ={{ protected | }}global i32 1,
42 // CHECK-DAG: @b ={{ protected | }}global i32 15,
43 // CHECK-DAG: @d ={{ protected | }}global i32 0,
44 // CHECK-DAG: @c = external global i32,
45 // CHECK-DAG: @globals ={{ protected | }}global %struct.S zeroinitializer,
46 // CHECK-DAG: [[STAT:@.+stat]] = internal global %struct.S zeroinitializer,
47 // CHECK-DAG: [[STAT_REF:@.+]] = internal constant %struct.S* [[STAT]]
48 // CHECK-DAG: @out_decl_target ={{ protected | }}global i32 0,
49 // CHECK-DAG: @llvm.used = appending global [2 x i8*] [i8* bitcast (void ()* @__omp_offloading__{{.+}}_globals_l[[@LINE+84]]_ctor to i8*), i8* bitcast (void ()* @__omp_offloading__{{.+}}_stat_l[[@LINE+85]]_ctor to i8*)],
50 // CHECK-DAG: @llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (%struct.S** [[STAT_REF]] to i8*)],
51 
52 // CHECK-DAG: define {{.*}}i32 @{{.*}}{{foo|bar|baz2|baz3|FA|f_method}}{{.*}}()
53 // CHECK-DAG: define {{.*}}void @{{.*}}TemplateClass{{.*}}(%class.TemplateClass* {{[^,]*}} %{{.*}})
54 // CHECK-DAG: define {{.*}}i32 @{{.*}}TemplateClass{{.*}}f_method{{.*}}(%class.TemplateClass* {{[^,]*}} %{{.*}})
55 // CHECK-DAG: define {{.*}}void @__omp_offloading__{{.*}}_globals_l[[@LINE+78]]_ctor()
56 
57 #ifndef HEADER
58 #define HEADER
59 #pragma omp declare target
60 bool flag [[clang::loader_uninitialized]];
61 extern int bbb;
62 #pragma omp end declare target
63 #pragma omp declare target
64 extern int bbb;
65 #pragma omp end declare target
66 
67 #pragma omp declare target
68 extern int aaa;
69 int bbb = 0;
70 extern int ccc;
71 int ddd = 0;
72 #pragma omp end declare target
73 
74 #pragma omp declare target
75 extern int bbb;
76 #pragma omp end declare target
77 
78 extern int eee;
79 int fff = 0;
80 extern int ggg;
81 int hhh = 0;
82 #pragma omp declare target link(eee, fff, ggg, hhh)
83 
84 int out_decl_target = 0;
85 #ifdef OMP5
86 #pragma omp declare target(out_decl_target)
87 #endif
88 
89 #pragma omp declare target
90 void lambda () {
91 #ifdef __cpp_lambdas
92   (void)[&] { (void)out_decl_target; };
93 #else
94 #pragma clang __debug captured
95   {
96     (void)out_decl_target;
97   }
98 #endif
99 };
100 #pragma omp end declare target
101 
102 template <typename T>
103 class TemplateClass {
104   T a;
105 public:
106   TemplateClass() {}
107   T f_method() const { return a; }
108 };
109 
110 int foo();
111 
112 static int baz1() { return 0; }
113 
114 int baz2();
115 
116 int baz4() { return 5; }
117 
118 template <typename T>
119 T FA() {
120   TemplateClass<T> s;
121   return s.f_method();
122 }
123 
124 #pragma omp declare target
125 struct S {
126   int a;
127   S(int a) : a(a) {}
128 };
129 
130 int foo() { return 0; }
131 int b = 15;
132 int d;
133 S globals(d);
134 static S stat(d);
135 #pragma omp end declare target
136 int c;
137 
138 int bar() { return 1 + foo() + bar() + baz1() + baz2(); }
139 
140 int maini1() {
141   int a;
142   static long aa = 32 + bbb + ccc + fff + ggg;
143 // CHECK-DAG: define weak_odr void @__omp_offloading_{{.*}}maini1{{.*}}_l[[@LINE+1]](i32* noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %{{.*}}, i64 {{.*}}, i64 {{.*}})
144 #pragma omp target map(tofrom \
145                        : a, b)
146   {
147     S s(a);
148     static long aaa = 23;
149     a = foo() + bar() + b + c + d + aa + aaa + FA<int>();
150   }
151   return baz4();
152 }
153 
154 int baz3() { return 2 + baz2(); }
155 int baz2() {
156 // CHECK-DAG: define weak_odr void @__omp_offloading_{{.*}}baz2{{.*}}_l[[@LINE+1]](i64 {{.*}})
157 #pragma omp target parallel
158   ++c;
159   return 2 + baz3();
160 }
161 
162 extern int create() throw();
163 
164 static __typeof(create) __t_create __attribute__((__weakref__("__create")));
165 
166 int baz5() {
167   bool a;
168 // CHECK-DAG: define weak_odr void @__omp_offloading_{{.*}}baz5{{.*}}_l[[@LINE+1]](i64 {{.*}})
169 #pragma omp target
170   a = __extension__(void *) & __t_create != 0;
171   return a;
172 }
173 
174 template <typename T>
175 struct Base {
176   virtual ~Base() {}
177 };
178 
179 template class Base<int>;
180 
181 template <typename T>
182 struct Bake {
183   virtual ~Bake() {}
184 };
185 
186 #pragma omp declare target
187 template class Bake<int>;
188 #pragma omp end declare target
189 
190 struct BaseNonT {
191   virtual ~BaseNonT() {}
192 };
193 
194 #pragma omp declare target
195 struct BakeNonT {
196   virtual ~BakeNonT() {}
197 };
198 #pragma omp end declare target
199 
200 template <typename T>
201 struct B {
202   virtual void virtual_foo();
203 };
204 
205 void new_bar() { new B<int>(); }
206 
207 template <typename T>
208 void B<T>::virtual_foo() {
209 #pragma omp target
210   {}
211 }
212 
213 struct A {
214   virtual void emitted() {}
215 };
216 
217 template <typename T>
218 struct C : public A {
219   virtual void emitted();
220 };
221 
222 template <typename T>
223 void C<T>::emitted() {
224 #pragma omp target
225   {}
226 }
227 
228 int main() {
229   A *X = new C<int>();
230   X->emitted();
231   return 0;
232 }
233 
234 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}virtual_foo{{.*}}_l[[@LINE-25]]()
235 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-11]]()
236 
237 template <typename T>
238 struct TTT {
239   virtual void emitted() {
240 #pragma omp target
241   {}
242   }
243 };
244 
245 // CHECK-DAG: define {{.*}}void @__omp_offloading_{{.*}}emitted{{.*}}_l[[@LINE-5]]()
246 
247 // CHECK-DAG: declare extern_weak noundef signext i32 @__create()
248 
249 // CHECK-NOT: define {{.*}}{{baz1|baz4|maini1|Base|virtual_}}
250 
251 // CHECK-DAG: !{i32 1, !"aaa", i32 0, i32 {{[0-9]+}}}
252 // CHECK-DAG: !{i32 1, !"ccc", i32 0, i32 {{[0-9]+}}}
253 // CHECK-DAG: !{{{.+}}virtual_foo
254 
255 #ifdef OMP5
256 void host_fun() {}
257 #pragma omp declare target to(host_fun) device_type(host)
258 void device_fun() {}
259 #pragma omp declare target to(device_fun) device_type(nohost)
260 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
261 // HOST5: define {{.*}}void {{.*}}host_fun{{.*}}
262 // HOST5-NOT: define {{.*}}void {{.*}}device_fun{{.*}}
263 
264 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
265 // DEV5: define {{.*}}void {{.*}}device_fun{{.*}}
266 // DEV5-NOT: define {{.*}}void {{.*}}host_fun{{.*}}
267 #endif // OMP5
268 
269 struct PAIR {
270   int a;
271   int b;
272 };
273 
274 #pragma omp declare target
275 PAIR pair __attribute__((address_space(3), loader_uninitialized));
276 #pragma omp end declare target
277 
278 #endif // HEADER
279 
280 #ifdef LOAD
281 #pragma omp declare target
282 void new_bar1() {
283   TTT<int> *X = new TTT<int>();
284   X->emitted();
285 }
286 #pragma omp end declare target
287 
288 struct SS {
289 #pragma omp declare target
290   static int SSS;
291 #pragma omp end declare target
292 };
293 int SS::SSS = 1;
294 
295 #endif
296