1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-linux -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s --implicit-check-not='ret i32 {{6|7|8|10|13|15|19|22|23|24}}'
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-linux -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=50 %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-linux -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=50 | FileCheck %s --implicit-check-not='ret i32 {{6|7|8|10|13|15|19|22|23|24}}'
4 
5 // expected-no-diagnostics
6 
7 // CHECK-DAG:  ret i32 2
8 // CHECK-DAG:  ret i32 3
9 // CHECK-DAG:  ret i32 4
10 // CHECK-DAG:  ret i32 5
11 // CHECK-DAG:  ret i32 9
12 // CHECK-DAG:  ret i32 11
13 // CHECK-DAG:  ret i32 12
14 // CHECK-DAG:  ret i32 14
15 // CHECK-DAG:  ret i32 16
16 // CHECK-DAG:  ret i32 17
17 // CHECK-DAG:  ret i32 18
18 // CHECK-DAG:  ret i32 19
19 // CHECK-DAG:  ret i32 20
20 // CHECK-DAG:  ret i32 21
21 // CHECK-DAG:  ret i32 25
22 // CHECK-DAG:  ret i32 26
23 // CHECK-DAG:  ret i32 27
24 // CHECK-DAG:  ret i32 28
25 // CHECK-DAG:  ret i32 29
26 // CHECK-DAG:  ret i32 30
27 // CHECK-DAG:  ret i32 31
28 
29 #ifndef HEADER
30 #define HEADER
31 
32 int foo() { return 2; }
33 
34 #pragma omp declare variant(foo) match(implementation = {vendor(llvm)}, device={kind(cpu)})
35 int bar() { return 3; }
36 
37 int bazzz();
38 #pragma omp declare variant(bazzz) match(implementation = {vendor(llvm)}, device={kind(host)})
39 int baz() { return 4; }
40 
41 int test();
42 #pragma omp declare variant(test) match(implementation = {vendor(llvm)}, device={kind(cpu)})
43 int call() { return 5; }
44 
45 static int stat_unused_no_emit() { return 6; }
46 static int stat_unused_();
47 #pragma omp declare variant(stat_unused_) match(implementation = {vendor(llvm)}, device={kind(cpu)})
48 #pragma omp declare variant(stat_unused_no_emit) match(implementation = {vendor(unknown)}, device = {kind(gpu)})
49 static int stat_unused() { return 7; }
50 
51 static int stat_used_();
52 #pragma omp declare variant(stat_used_) match(implementation = {vendor(llvm)}, device={kind(host)})
53 static int stat_used() { return 8; }
54 
55 int main() { return bar() + baz() + call() + stat_used(); }
56 
57 int test() { return 9; }
58 static int stat_unused_() { return 10; }
59 static int stat_used_() { return 11; }
60 
61 struct SpecialFuncs {
62   void vd() {}
63   SpecialFuncs();
64   ~SpecialFuncs();
65 
66   int method_() { return 12; }
67 #pragma omp declare variant(SpecialFuncs::method_)                             \
68     match(implementation = {vendor(llvm)}, device={kind(cpu)})
69   int method() { return 13; }
70 #pragma omp declare variant(SpecialFuncs::method_)                             \
71     match(implementation = {vendor(llvm)}, device={kind(host)})
72   int Method();
73 } s;
74 
75 int SpecialFuncs::Method() { return 14; }
76 
77 struct SpecSpecialFuncs {
78   void vd() {}
79   SpecSpecialFuncs();
80   ~SpecSpecialFuncs();
81 
82   int method_();
83 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
84     match(implementation = {vendor(llvm)}, device={kind(cpu)})
85   int method() { return 15; }
86 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
87     match(implementation = {vendor(llvm)}, device={kind(host)})
88   int Method();
89 } s1;
90 
91 int SpecSpecialFuncs::method_() { return 16; }
92 int SpecSpecialFuncs::Method() { return 17; }
93 
94 void xxx() {
95   (void)s.method();
96   (void)s1.method();
97 }
98 
99 int prio() { return 18; }
100 int prio1() { return 19; }
101 
102 #pragma omp declare variant(prio1) match(implementation = {vendor(score(2): llvm)}, device={kind(cpu,host)})
103 #pragma omp declare variant(prio) match(implementation = {vendor(score(1): llvm)}, device={kind(cpu)})
104 int prio_() { return 20; }
105 
106 static int prio2() { return 21; }
107 static int prio3() { return 22; }
108 static int prio4() { return 23; }
109 
110 #pragma omp declare variant(prio4) match(implementation = {vendor(score(5): llvm)})
111 #pragma omp declare variant(prio2) match(implementation = {vendor(score(8): llvm)}, device={kind(cpu,host)})
112 #pragma omp declare variant(prio3) match(implementation = {vendor(score(7): llvm)}, device={kind(cpu)})
113 static int prio1_() { return 24; }
114 
115 int int_fn() { return prio1_(); }
116 
117 int fn_linkage_variant() { return 25; }
118 extern "C" {
119 #pragma omp declare variant(fn_linkage_variant) match(implementation = {vendor(llvm)}, device={kind(cpu)})
120 int fn_linkage() { return 26; }
121 }
122 
123 extern "C" int fn_linkage_variant1() { return 27; }
124 #pragma omp declare variant(fn_linkage_variant1) match(implementation = {vendor(llvm)}, device={kind(host)})
125 int fn_linkage1() { return 28; }
126 
127 int fn_variant2() { return 29; }
128 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm, ibm)}, device={kind(cpu)})
129 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm)}, device={kind(cpu,gpu)})
130 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm)}, device={kind(nohost)})
131 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm)}, device={kind(cpu,nohost)})
132 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm)}, device={kind(gpu)})
133 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm)}, device={kind(fpga)})
134 int fn2() { return 30; }
135 
136 #pragma omp declare variant(stat_unused_no_emit) match(implementation = {vendor(unknown)}, device = {kind(gpu)})
137 template <typename T>
138 static T stat_unused_T() { return 31; }
139 
140 int bazzzzzzzz() {
141   return stat_unused_T<int>();
142 }
143 
144 #endif // HEADER
145