1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fsanitize-address-use-after-scope | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t -fopenmp-version=50 %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - -fopenmp-version=50 | FileCheck %s
4 // expected-no-diagnostics
5 
6 // CHECK-NOT: ret i32 {{1|4|81|84}}
7 // CHECK-DAG: @_Z3barv = {{.*}}alias i32 (), i32 ()* @_Z3foov
8 // CHECK-DAG: @_ZN16SpecSpecialFuncs6MethodEv = {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
9 // CHECK-DAG: @_ZN16SpecSpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecSpecialFuncs*), i32 (%struct.SpecSpecialFuncs*)* @_ZN16SpecSpecialFuncs7method_Ev
10 // CHECK-DAG: @_ZN12SpecialFuncs6methodEv = linkonce_odr {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
11 // CHECK-DAG: @_Z5prio_v = {{.*}}alias i32 (), i32 ()* @_Z5prio1v
12 // CHECK-DAG: @_ZL6prio1_v = internal alias i32 (), i32 ()* @_ZL5prio2v
13 // CHECK-DAG: @_Z4callv = {{.*}}alias i32 (), i32 ()* @_Z4testv
14 // CHECK-DAG: @_ZL9stat_usedv = internal alias i32 (), i32 ()* @_ZL10stat_used_v
15 // CHECK-DAG: @_ZN12SpecialFuncs6MethodEv = {{.*}}alias i32 (%struct.SpecialFuncs*), i32 (%struct.SpecialFuncs*)* @_ZN12SpecialFuncs7method_Ev
16 // CHECK-DAG: @fn_linkage = {{.*}}alias i32 (), i32 ()* @_Z18fn_linkage_variantv
17 // CHECK-DAG: @_Z11fn_linkage1v = {{.*}}alias i32 (), i32 ()* @fn_linkage_variant1
18 // CHECK-DAG: declare {{.*}}i32 @_Z5bazzzv()
19 // CHECK-DAG: declare {{.*}}i32 @_Z3bazv()
20 // CHECK-DAG: ret i32 2
21 // CHECK-DAG: ret i32 3
22 // CHECK-DAG: ret i32 5
23 // CHECK-DAG: ret i32 6
24 // CHECK-DAG: ret i32 7
25 // CHECK-DAG: ret i32 82
26 // CHECK-DAG: ret i32 83
27 // CHECK-DAG: ret i32 85
28 // CHECK-DAG: ret i32 86
29 // CHECK-DAG: ret i32 87
30 // CHECK-NOT: ret i32 {{1|4|81|84}}
31 
32 #ifndef HEADER
33 #define HEADER
34 
35 int foo() { return 2; }
36 
37 #pragma omp declare variant(foo) match(implementation = {vendor(llvm)})
38 int bar() { return 1; }
39 
40 int bazzz();
41 #pragma omp declare variant(bazzz) match(implementation = {vendor(llvm)})
42 int baz() { return 1; }
43 
44 int test();
45 #pragma omp declare variant(test) match(implementation = {vendor(llvm)})
46 int call() { return 1; }
47 
48 static int stat_unused_();
49 #pragma omp declare variant(stat_unused_) match(implementation = {vendor(llvm)})
50 static int stat_unused() { return 1; }
51 
52 static int stat_used_();
53 #pragma omp declare variant(stat_used_) match(implementation = {vendor(llvm)})
54 static int stat_used() { return 1; }
55 
56 int main() { return bar() + baz() + call() + stat_used(); }
57 
58 int test() { return 3; }
59 static int stat_unused_() { return 4; }
60 static int stat_used_() { return 5; }
61 
62 struct SpecialFuncs {
63   void vd() {}
64   SpecialFuncs();
65   ~SpecialFuncs();
66 
67   int method_() { return 6; }
68 #pragma omp declare variant(SpecialFuncs::method_)                             \
69     match(implementation = {vendor(llvm)})
70   int method() { return 1; }
71 #pragma omp declare variant(SpecialFuncs::method_)                             \
72     match(implementation = {vendor(llvm)})
73   int Method();
74 } s;
75 
76 int SpecialFuncs::Method() { return 1; }
77 
78 struct SpecSpecialFuncs {
79   void vd() {}
80   SpecSpecialFuncs();
81   ~SpecSpecialFuncs();
82 
83   int method_();
84 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
85     match(implementation = {vendor(llvm)})
86   int method() { return 1; }
87 #pragma omp declare variant(SpecSpecialFuncs::method_)                         \
88     match(implementation = {vendor(llvm)})
89   int Method();
90 } s1;
91 
92 int SpecSpecialFuncs::method_() { return 7; }
93 int SpecSpecialFuncs::Method() { return 1; }
94 
95 void xxx() {
96   (void)s.method();
97   (void)s1.method();
98 }
99 
100 int prio() { return 81; }
101 int prio1() { return 82; }
102 
103 #pragma omp declare variant(prio) match(implementation = {vendor(llvm)})
104 #pragma omp declare variant(prio1) match(implementation = {vendor(score(1): llvm)})
105 int prio_() { return 1; }
106 
107 static int prio2() { return 83; }
108 static int prio3() { return 84; }
109 static int prio4() { return 84; }
110 
111 #pragma omp declare variant(prio4) match(implementation = {vendor(score(3): llvm)})
112 #pragma omp declare variant(prio2) match(implementation = {vendor(score(5): llvm)})
113 #pragma omp declare variant(prio3) match(implementation = {vendor(score(1): llvm)})
114 static int prio1_() { return 1; }
115 
116 int int_fn() { return prio1_(); }
117 
118 int fn_linkage_variant() { return 85; }
119 extern "C" {
120 #pragma omp declare variant(fn_linkage_variant) match(implementation = {vendor(llvm)})
121 int fn_linkage() { return 1; }
122 }
123 
124 extern "C" int fn_linkage_variant1() { return 86; }
125 #pragma omp declare variant(fn_linkage_variant1) match(implementation = {vendor(llvm)})
126 int fn_linkage1() { return 1; }
127 
128 int fn_variant2() { return 1; }
129 #pragma omp declare variant(fn_variant2) match(implementation = {vendor(llvm, ibm)})
130 int fn2() { return 87; }
131 
132 #endif // HEADER
133